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Staff Software Engineer at Ripple | London

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we are pioneering a transformative world where value transfers seamlessly, akin to the flow of information in today's digital landscape. Our vision is ambitious and impactful, and we are already making strides toward this goal. Through our innovative cryptocurrency solutions tailored for financial institutions, businesses, governments, and develop…

Feb 27, 2026

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Senior Software Engineer at Ripple | London, UK

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we’re creating a financial ecosystem where value flows as effortlessly as information does today. Our innovative cryptocurrency solutions empower financial institutions, businesses, governments, and developers to enhance the global financial landscape, promoting economic equity and opportunities worldwide. Join us to unleash your potential and contribute to meaningful change, all while collaborating with a supportive team dedicated to your growth.If you’re eager to make a significant impact and explore extraordinary career advancement opportunities, we invite you to be part of our journey in building tangible value.THE WORK:Ripple is a pioneering fintech firm transforming global finance through blockchain technology. We provide a diverse range of financial services, encompassing cross-border payments, institutional crypto liquidity, digital asset custody, and our enterprise-grade stablecoin, RLUSD. As a Software Engineer at Ripple, you will focus on payment technologies, developing scalable solutions that drive the future of finance.You will be primarily responsible for a critical component of our Payments offerings, specifically Bank Integrations. This involves serving as the central connectivity layer to our banking partners, ensuring that the data exchanged with external financial institutions is accurate, reliable, and consistently available. Your role will include facilitating the seamless distribution of this data across the organization, powering live production payment flows and reconciliation operations. Responsibilities also entail maintaining and enhancing integrations with banking partners, addressing technical debt for improved stability, and evolving the platform to satisfy emerging business and compliance demands. By enhancing our established production system, you will play a vital role in boosting scale, efficiency, and observability, ensuring Ripple’s products interact smoothly with global banks and payment providers in a dependable manner.We seek a passionate software engineer who is eager to learn and comprehend the intricacies of our complex fintech system from end to end, driving forward development initiatives. A dedication to optimizing systems and achieving the best solutions through strategic trade-offs will be key to your success in this role.

Mar 18, 2026

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Senior C++ Software Engineer at Ripple | London

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we are pioneering a future where value transfers seamlessly, akin to the flow of information today. Our groundbreaking crypto solutions are transforming the financial landscape for institutions, businesses, government entities, and developers, fostering a more equitable global economy. Join us to thrive in an environment that champions your professional growth, surrounded by supportive colleagues.Are you ready to make a significant impact and unlock exciting career advancement opportunities? Come aboard and help us create real-world value.THE WORKRippleX is committed to empowering tomorrow's innovators on the XRP Ledger (XRPL), one of the fastest and most reliable public blockchains globally. We aim to democratize the digital economy by providing hands-on support, nurturing a community of developers, and leveraging our expertise as a forward-thinking technology firm.The XRPL is a decentralized public blockchain operated by a global network of businesses and developers dedicated to addressing challenges and generating value. With over a decade of proven reliability and more than 90 million ledgers closed, the XRPL boasts streamlined development, low transaction costs, exceptional performance, and sustainability. We seek senior engineering talent to uphold our high technical standards while crafting innovative solutions to meet the growing demands of the digital economy.WHAT YOU'LL DOEnhance the capabilities, performance, scalability, and reliability of the XRP Ledger.Engage in the complete software development lifecycle, encompassing architecture, technical design, C++ development, bug resolution, and functional as well as performance validations.Contribute to the open-source XRP Ledger community, establishing rigorous standards for coding, testing, and deployment.Actively participate in code reviews to uphold the quality of our codebase.WHAT YOU'LL BRINGA Bachelor’s degree in Computer Science or a similar discipline, along with 5+ years of substantial hands-on experience in software product development utilizing C++.Proficiency in backend distributed systems development.A strong enthusiasm for blockchain technology and its potential advantages.The capability to swiftly learn new technologies and programming languages.Exceptional problem-solving skills, with the ability to devise creative solutions independently.Preferred: Experience in developing and contributing to open-source software.

Feb 27, 2026

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Senior Software Engineer at Ripple | London

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we're pioneering a future where value is transferred as seamlessly as information. Our bold vision is already becoming a reality. By providing innovative crypto solutions to financial institutions, businesses, governments, and developers, we are enhancing the global financial landscape, fostering economic fairness, and creating opportunities for individuals worldwide. Join us to do the most impactful work of your career, surrounded by supportive colleagues who empower your growth.If you're eager to make a difference and unlock exceptional career development opportunities, come aboard and help us shape real-world value.THE WORKRippleX is committed to empowering the innovators of tomorrow on the XRP Ledger (XRPL), renowned for being one of the fastest and most reliable public blockchains globally. We strive to democratize the digital economy by offering practical support, nurturing a vibrant developer community, and leveraging our expertise as a forward-thinking technology company.The XRPL is a decentralized public blockchain, driven by a global network of businesses and developers who are dedicated to solving real-world challenges and generating value. Having proven its reliability for over a decade with more than 90 million ledgers closed, the XRPL offers streamlined development, cost-effective transactions, high performance, and sustainability. We are seeking senior engineering talent to maintain our high technical standards while creating innovative solutions that meet the evolving demands of the global digital economy.WHAT YOU'LL DOEnhance the capabilities, performance, scalability, and reliability of the XRP Ledger.Engage in the complete software development lifecycle, including architecture, technical design, C++ development, bug fixing, and both functional and performance validations.Contribute to the open-source XRP Ledger community, upholding high standards for code quality, testing, and deployment.Actively participate in code reviews to ensure the integrity of our codebase.WHAT YOU'LL BRINGA Bachelor’s degree in Computer Science or a related field, along with 5+ years of substantial experience in software product development using C++.Proven experience in backend distributed systems development.A strong passion for blockchain technology and its transformative potential.Quick adaptability to new technologies and programming languages.Exceptional problem-solving skills, with the ability to devise creative solutions for complex challenges.Preferred: Experience in developing and contributing to open-source software.

May 4, 2026

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Trading and Markets Manager at Ripple | London

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we're at the forefront of transforming how value is exchanged globally, ensuring it flows as seamlessly as information. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers, enhancing the global financial ecosystem while promoting greater economic equity and opportunity. Join us to experience unparalleled career growth and work alongside supportive colleagues.If you're eager to make a meaningful impact and advance your career, we invite you to become part of our mission to create real-world value.THE ROLE:Ripple is on a growth trajectory, seeking a driven and innovative Trading and Markets Manager in London. This role is designed for a proactive individual who thrives in an outcomes-oriented environment.As part of the team reporting to the Senior Director of Trading and Markets, you will play a pivotal role in the tokenization of capital market assets, advocating for the utility and adoption of tokenized instruments, and developing on-chain liquidity solutions. You will actively contribute to Ripple's stablecoin strategy and facilitate the integration of traditional finance with digital asset markets.The ideal candidate will possess a robust understanding of traditional capital markets infrastructure—including fixed income, repo, money markets, and collateral—along with practical experience or a keen interest in tokenization, decentralized finance (DeFi), and the digital asset economy.We are looking for a highly analytical and adaptable professional eager to take on a high-impact role within a rapidly evolving intersection of finance and technology.KEY RESPONSIBILITIES:Collaborate with the Trading and Markets leadership team to establish priorities and assess performance across tokenization and capital markets initiatives.Lead the advancement of Ripple's tokenization strategy from a capital markets perspective, emphasizing institutional adoption, on-chain liquidity, collateral mobility, and settlement efficiency.Analyze and create use cases for tokenized assets, including money market funds, bonds, repo, and other fixed income instruments, focusing on liquidity and utility in both primary and secondary markets.Engage with institutional counterparties—such as asset managers, banks, custodians, and exchanges—to promote the adoption of tokenized assets.

Mar 31, 2026

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Senior Manager of Software Engineering

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we are on a mission to transform how value is transferred globally, akin to the speed and ease of information today. Our innovative cryptocurrency solutions for financial institutions, businesses, governments, and developers are revolutionizing the financial landscape, fostering economic equality and opportunities worldwide. Join us in doing the most meaningful work of your career, while developing your skills in a supportive environment.If you're eager to make a significant impact and explore remarkable career advancement opportunities, we invite you to join us in creating real-world value.YOUR ROLE:As part of RippleX, we focus on empowering the innovators of tomorrow on the XRP Ledger (XRPL), one of the fastest and most dependable public blockchains globally. We are committed to democratizing the digital economy by offering essential support, fostering a community of developers, and leveraging our technological expertise.The XRPL is a decentralized public blockchain, backed by a worldwide network of businesses and developers dedicated to solving challenges and generating value. With over a decade of operational reliability and the successful processing of more than 100 million ledgers, the XRPL provides efficient development, minimal transaction costs, superior performance, and sustainability.We are looking for driven engineering managers who share our vision and bring technical proficiency to lead teams in enhancing XRPL's core architecture and facilitating developer contributions.KEY RESPONSIBILITIES:Deliver technical and strategic leadership for RippleX's blockchain software, ensuring its scalability and reliability.Create and implement roadmaps to drive technical and operational excellence.Mentor and guide team members towards professional and technical development while providing hands-on leadership.Establish and promote engineering standard processes, collaborating with partners across Ripple and within the XRPL community.Implement agile methodologies to foster innovation and achieve incremental objectives.Effectively communicate technical concepts to diverse audiences, including engineers, business leaders, and technical executives.Expand the team by attracting and mentoring leaders and engineers of varying experience levels.Collaborate with Ripple’s recruitment team to hire top-tier engineers.QUALIFICATIONS:10+ years of experience in software engineering with a focus on blockchain technology.Proven track record of leading engineering teams and delivering successful software projects.Strong understanding of blockchain principles, decentralized systems, and smart contracts.Excellent communication skills with the ability to convey complex technical concepts clearly.Experience with agile development processes.Ability to mentor and develop junior engineers effectively.Passion for innovation and driving impactful change.

Feb 27, 2026

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Staff Network Engineer

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we are transforming the way value is transferred across the globe, making it as seamless as the flow of information. Our innovative cryptocurrency solutions are designed for financial institutions, businesses, governments, and developers, enhancing the global financial landscape and fostering economic equality. Join us in creating impactful solutions while developing your skills in a supportive environment.If you are eager to make a significant impact and explore remarkable career advancement opportunities, we invite you to join us and contribute to building tangible value in the real world.As a Staff Network Engineer, you will take on the role of a technical architect and senior project leader responsible for Ripple's expansive corporate network infrastructure. You will ensure network consistency across all global offices, oversee important site upgrades, and maintain an impressive 99.9% network uptime. We seek a high-impact individual contributor to establish Ripple’s architectural standards for global connectivity, combining strategic planning with hands-on senior engineering to support our worldwide workforce.

Mar 17, 2026

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Senior Mobile Software Engineer

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple Labs Inc., we envision a future where value can be transferred as effortlessly as information. Our mission is bold and transformative, and we are already making significant strides. With our innovative cryptocurrency solutions tailored for financial institutions, businesses, governments, and developers, we are enhancing the global financial landscape, fostering economic equity, and creating opportunities worldwide. Join us and collaborate with a team of dedicated professionals who support each other in achieving excellence.If you're eager to make a tangible impact and advance your career, we invite you to become part of our journey to create real-world value.Your RoleAs a Senior Mobile Software Engineer, you will contribute to Palisade, Ripple’s premier wallet-as-a-service platform. This platform empowers businesses, fintech companies, and banks to develop use cases in digital asset treasury, payments, and exchanges.

Feb 27, 2026

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Staff Software Engineer at G2 | London

G2, Inc.

Full-time|On-site|London

About G2 - The CompanyG2 stands as the premier global software marketplace, renowned for empowering businesses to achieve their utmost potential through insightful data from genuine software users. By joining G2, you become part of an elite team dedicated to harnessing real user insights to influence strategic decisions.In an exciting merger with Capterra, SoftwareAdvice, and GetApp, we are now the largest repository of online software insights, catering to over 200 million visitors annually and featuring over 6 million verified reviews. Our goal is to enable software buyers to make informed decisions swiftly and confidently.We're just getting warmed up! Our mission is to revolutionize the global B2B software sector, establishing ourselves as the most reliable data source for software buyers and sellers in the AI era.Are you ready to embark on this thrilling journey with us? Join G2 as we scale new heights!About G2 - Our PeopleAt G2, our culture is deeply rooted in our PEAK values—(Performance + Entrepreneurship + Authenticity + Kindness). Being part of G2 means you are contributing to a value-driven, growing global community that supports each other in overcoming challenges and celebrating successes. Together, we tackle ambitious projects that foster personal and professional growth.You will collaborate with a diverse, global team comprising talented and dedicated individuals, each bringing unique experiences and aspirations. Our people-led ERGs play a crucial role in highlighting the diverse identities within our community. We prioritize DEI (Diversity, Equity, Inclusion) and philanthropic initiatives, such as our G2 Gives program, fostering a culture where we all strive to become better individuals.

Jan 9, 2026

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Staff Software Engineer at Omaze | London

Omaze

Full-time|On-site|London

Omaze connects communities in the UK and Germany with the chance to win luxury homes and life-changing prizes, while raising significant funds for charities. In just five years, Omaze has helped generate over £100 million for organizations including Age UK, the RSPCA, British Heart Foundation, and Great Ormond Street Hospital Charity. The company continues to grow, aiming to drive social impact on a global level. Role overview The Staff Software Engineer role at Omaze in London focuses on technical leadership and engineering strategy for platforms supporting social good. This position covers architectural design, software delivery, and team leadership. The engineer will influence both what gets built and how development happens, with a strong emphasis on developer experience, code quality, and sound engineering practices. What you will do Set and maintain engineering standards, patterns, and best practices across the stack, including TypeScript, AWS, and React. Lead the architecture of complex, cross-functional systems, making decisions that improve performance, scalability, security, and maintainability. Identify and address technical risks early, and drive architectural improvements that streamline processes and increase efficiency. Shape the company's approach to AI-assisted coding by evaluating tools, defining responsible integration standards, and embedding AI into workflows for CI/CD, code review, and testing. Guide the design of agentic systems, focusing on observability, human oversight, and safe autonomy limits. Translate broad business goals into actionable technical solutions. What sets Omaze apart Significant growth as a company with a mission-driven focus. Collaboration with a team committed to making a meaningful difference. Opportunities to work on innovative projects and initiatives. A culture that values hard work, mutual support, and shared success.

Apr 28, 2026

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Staff Software Engineer at Lunar | London

Lunar

Full-time|On-site|London

About Us:Lunar is an innovative technology company operating in stealth mode, dedicated to developing a transformative software platform for health systems. Our mission is to redefine healthcare with state-of-the-art, AI-driven software that empowers hospitals to provide exceptional care to their patients. Our platform serves as the foundational backbone of modern health systems, revolutionizing clinical and operational workflows on a large scale with the world’s first AI-native hospital information system.This next-generation platform represents a thorough reconstruction of the information infrastructure that supports health systems. From doctors and nurses to pharmacists, lab technicians, coders, billers, and supply chain personnel, as well as patients, Lunar’s software is designed to enhance every aspect of healthcare delivery. We view this challenge as the 'moon landing' of healthcare—an ambitious undertaking that many deem impossible.Supported by leading venture capital firms from Silicon Valley, we champion the effectiveness of a compact, high-performing team of experienced professionals working at the top of their game. We seek individuals who are driven, inquisitive, possess sound judgment, and are committed to producing the best work of their careers.Our hospitals operate on Elixir. We have adopted Elixir for its fault tolerance, concurrency, and scalability—critical attributes for managing real-time patient data in essential environments such as Emergency Departments, ICUs, and Operating Rooms.We are on the lookout for a Staff Software Engineer who is eager to confront some of the most challenging technical issues in healthcare and do so as part of a small, agile, and purpose-driven team. If you take pride in writing clean, resilient code and are enthusiastic about reinventing the software infrastructure for contemporary hospitals, we would love to connect with you.Key Technical Challenges You May Encounter in Your First Six Months:Building a Modern Cloud Architecture from the Ground Up: We have no legacy systems to unravel. We are designing a cutting-edge cloud-native platform centered around Elixir.Developing a Superior Access Control System for Clinical Data: Create a modern access control system with precise permissions that honor clinical data structures and patient data ownership while facilitating population-level insights for enhanced public health.Ensuring Hospitals Remain Operational 24/7: Design and implement infrastructure capable of supporting rolling deployments, failover, and...

May 1, 2025

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Staff Software Engineer at Omnea | London

Omnea

Full-time|On-site|London

Our MissionAt Omnea, we are transforming the enterprise business landscape by addressing the most challenging aspects of procurement. Our aim is to streamline the purchase process, which often drags on for months, involves numerous emails, and requires input from various departments such as Finance, Legal, Security, and IT for approvals.With the backing of $75M from Khosla Ventures, Insight Partners, and Accel, we are revolutionizing this space. Our AI-driven platform integrates every stakeholder, step, and system to ensure that buying is swift, secure, and efficient—providing a singular destination for requests, automated approvals and renewals, real-time supplier risk analysis, and complete visibility of spending.This sector represents a $7B+ untapped market, and our growth trajectory underscores the potential: we have increased our ARR tenfold to double-digit millions in just 18 months, earning the trust of global enterprises like Spotify, MongoDB, Monzo, and Albertsons. Currently, we are recognized as the 4th fastest growing startup in Europe.Our team has previously scaled Tessian (cybersecurity technology backed by Sequoia, Balderton, Accel, and acquired post-Series C). We comprise ex-founders and operators who have successfully grown unicorns and delivered world-class products. You will collaborate with seasoned leaders like Ben, Abs, Sabrina, and Rebe.What We're Looking ForWe are on the lookout for an outstanding, product-oriented Staff Software Engineer (L4) to be a pivotal part of our engineering team and propel Omnea into its next growth phase. In the upcoming year, our team will double in size, our enterprise customer base will expand from around 100 to over 200, and our revenue is projected to triple. This role is for a senior individual contributor focused on domain-level impact, where you will utilize your deep technical expertise to influence systems, architecture, and product outcomes—without formal team leadership or people management obligations.You will join us at a critical juncture. We have recently secured $50M in Series B funding from ....

Jul 21, 2024

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Staff Software Engineer - Sustainability at Samsara | London

Samsara

Full-time|On-site|London, England, United Kingdom

Who We AreSamsara (NYSE: IOT) is at the forefront of the Connected Operations™ Cloud, a transformative platform that empowers organizations reliant on physical operations to capitalize on Internet of Things (IoT) data. Our mission is to enhance the safety, efficiency, and sustainability of the foundational sectors driving the global economy. Representing over 40% of global GDP, these industries—including agriculture, construction, field services, transportation, and manufacturing—are critical infrastructure, and we are excited to lead their digital transformation.Joining Samsara means you will play a vital role in defining the future of physical operations. You'll collaborate with a dynamic team focused on developing innovative product solutions such as Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring. As a recently public company, we provide the autonomy and support needed to make a significant impact as we build for the long term.About the Role:In this newly established Staff Software Engineer position, you will design the technical architecture necessary for global fleet sustainability, focusing on digitizing the vast transport and infrastructure sectors that support our world. Our goal goes beyond traditional cost-saving measures; we prioritize resource efficiency on a global scale.At Samsara, our Staff Engineers are proactive technical leaders who integrate high-level architectural strategies with a determined builder mindset. They operate with empowered autonomy, addressing the most complex challenges at the intersection of physical and digital operations.Unlike conventional architects, they maintain a close connection to the implementation, actively contributing to the codebase to foster rapid innovation and sustain development momentum. Their leadership serves as a force multiplier, elevating the technical capabilities of the team through insightful mentorship and pragmatic decision-making, ensuring that every line of code has a measurable impact on the world’s essential industries.In this role, you will spearhead the technical strategy for our Sustainability suite—transforming raw, inconsistent sensor signals into high-fidelity data for precise energy monitoring, and constructing the intricate global infrastructure necessary for fleet electrification.

Feb 3, 2026

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Staff Software Engineer - Enabling Teams at Ebury | London

Ebury

Full-time|Hybrid|London

Ebury is on a mission to empower ambitious businesses to achieve global growth. We extend the same philosophy to our team members, promoting innovation, collaboration, and problem-solving in an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative individual eager to revolutionize global business operations, we encourage you to reach out. Join us at Ebury and accelerate your career while shaping the future of finance.Join Our Team as a Staff Software Engineer (Enabling Teams)Location: London Office - Hybrid: 4 days in the office, 1 day remoteEbury is seeking highly skilled and motivated Staff Software Engineers to enhance our engineering division in London. This is a remarkable opportunity to make a significant impact within a leading FinTech firm. As a Staff Software Engineer, you will be a crucial member of our team from day one, contributing to mission-critical projects and deploying production code within your first week. Your role will involve collaboration with various product squads alongside Engineers, Product Designers, and Product Managers. We expect you to tackle complex challenges and guide your team to make informed trade-offs. You will be immersed in both the intricate details and the overarching vision of our projects. Additionally, you'll play a pivotal role in engineering leadership and cultivate strong relationships with stakeholders across the organization. We are committed to identifying and nurturing future technical leaders; for those who exhibit exceptional performance and potential, we offer an accelerated career progression path.

Feb 25, 2026

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Senior Staff Software Engineer at Fleek | London

Fleek

Full-time|On-site|London

Join Us in Revolutionizing the Fashion Supply Chain!Each year, the fashion industry generates over 100 billion garments, with a staggering 60% ending up in landfills. This waste isn't due to lack of demand; rather, the secondhand fashion supply chain is outdated, manual, and inefficient.At Fleek, we are dedicated to transforming this reality. Our goal is to establish secondhand fashion as the preferred choice for consumers. We are developing an innovative infrastructure that empowers the global secondhand clothing market through a B2B marketplace and AI-driven systems that streamline the supply chain.Fleek enables vintage boutiques, online resellers, and retail buyers to access high-quality graded secondhand inventory directly from wholesalers and rag houses worldwide. Central to our operations is FleekSort, an advanced AI model specifically trained on secondhand fashion, capable of grading, pricing, and categorizing items using just a photo. This technology transforms what has traditionally been a fragmented and manual trade into a cohesive, searchable, and tradable global inventory system.Since our inception in 2022, we have successfully diverted 9 million items from landfills and have experienced consistent year-on-year growth. With approximately $50 million raised from distinguished investors including a16z, Y Combinator, Burda Principal Investments, and HV Capital, we have recently completed our Series B funding round. Our advisors and private investors include industry veterans from Depop, Shopify, and Postmates.Currently, we serve thousands of resellers and retailers across the UK, Europe, and the US. With the secondhand fashion market projected to soar to $350 billion by 2027, Fleek is poised to become the AI-driven operational and financial backbone of secondhand commerce on a global scale.We are in search of passionate individuals eager to build impactful solutions and thrive in a fast-paced environment. If this excites you, continue reading!About This RoleAs the most senior engineering position within our organization, you will oversee the Demand product, which is crucial for driving revenue, growth, and customer engagement across mobile, web, and backend platforms. You will lead a talented team of approximately five engineers based in London, report directly to our CTO, Sanket Agarwal (formerly of Google and Postmates), and collaborate closely with our Product and Design teams.You will be responsible for everything that affects buyer conversion, retention, and growth speed.Why This Role Is UniqueAt Fleek, the Demand function is our most commercially vital area. You will not merely offer advice as a Staff engineer; you will have ownership over the entire system that transforms supply into revenue.Fleek is at the forefront of digitizing an industry that has yet to embrace technology. There are no established guidelines for creating a transaction layer around secondhand fashion at a wholesale scale, where each item is distinct...

Feb 17, 2026

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Staff Engineer at 9fin | London

9fin

Full-time|On-site|London

9fin is looking for a Staff Engineer to join the team in London. This position centers on building scalable systems and advancing the company’s financial data analytics platform. Staff Engineers at 9fin help set technical direction and have a direct impact on product quality. Role overview This role involves both hands-on engineering and collaboration with peers. The work supports evolving data and user needs, with a focus on reliability and performance. What you will do Design and develop systems that handle increasing data volumes and user demands Collaborate with fellow engineers to strengthen analytics features Offer input that shapes product features and influences the customer experience Location This is an on-site role based in London.

Apr 20, 2026

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Senior Software Engineer - C++ / Rust

Ripple Labs Inc.

Full-time|On-site|London, UK

At Ripple, we are pioneering a future where value transfers seamlessly, akin to how information flows today. Our mission is ambitious and transformative, already making strides through our innovative crypto solutions tailored for financial institutions, enterprises, governments, and developers. We aim to enhance the global financial landscape, fostering economic equality and opportunities for individuals across diverse regions worldwide. Here, you will be empowered to perform your best work and expand your skill set, supported by a collaborative team.If you are eager to witness your contributions make a real-world impact and explore remarkable career advancement prospects, we invite you to join us in creating tangible value.The TeamRippleX is committed to equipping the innovators of the future on the XRP Ledger (XRPL), renowned as one of the fastest and most dependable public blockchains globally. Our goal is to democratize the digital economy through practical support, empowering a vibrant developer community, and leveraging the expertise of a forward-thinking technology organization.The Programmability team plays a crucial role in this vision, dedicated to enhancing the core functionalities of the XRP Ledger to accommodate smart contracts and more sophisticated on-ledger capabilities. We are on the lookout for skilled engineers who are passionate about shaping the future of decentralized applications.Your ResponsibilitiesDesign, develop, and maintain foundational components of the XRP Ledger to boost programmability, smart contract functionalities, performance, and scalability.Lead the integration and upkeep of a WebAssembly (WASM) virtual machine within the XRPL’s C++ core.Participate in the complete software development lifecycle, encompassing architecture and design to development using modern C++ and Rust, alongside rigorous testing.Produce system design documentation and spearhead technical conversations with both internal and external engineering stakeholders.Maintain high coding and testing standards as a champion of the open-source XRP ledger community, including engaging in code reviews.

Mar 17, 2026

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Staff Software Engineer, AI Serving at HubSpot | London

HubSpot

Full-time|Hybrid|Flex - London, United Kingdom

POS-22139This position offers flexible work options: Office, Hybrid, or Remote within the UKAt HubSpot, we are dedicated to equipping businesses with state-of-the-art AI technologies, and our AI Infrastructure group plays a pivotal role in this mission. We are looking for a Staff Software Engineer who is passionate about infrastructure and improving the developer experience to join our dynamic AI Serving team. This team is responsible for managing HubSpot's end-to-end model inference and serving infrastructure, ensuring that AI models are deployed reliably, scaled appropriately, and remain cost-effective across various environments, while also serving as the cornerstone for modern Python development at HubSpot.The AI Serving team is in charge of the frameworks and libraries that facilitate synchronous, asynchronous, and offline inference, including model deployment pipelines, autoscaling, and resource management for both GPU and CPU. Our roadmap is focused on enhancing batch inference reliability and efficiency, advancing model observability, and optimizing AI infrastructure costs. Additionally, we are the custodians of essential Python libraries and tools within HubSpot.As a Staff Software Engineer on the AI Serving team, your responsibilities will include:Developing and deploying production-level code that directly enhances AI capabilities across HubSpot, serving as a crucial component for user and business impact at scale.Driving the advancement of our model serving and inference infrastructure, with an emphasis on reliability, scalability, and cost efficiency.Setting the technical direction for deploying and operating ML models at scale, influencing decisions on architecture, cost management, and developer experience.Collaborating closely with Machine Learning Engineers, Product Software Engineers, and other Infrastructure teams to streamline model deployment and serving processes.Gaining in-depth exposure to a variety of HubSpot infrastructure systems by building and maintaining core Python libraries, providing an excellent opportunity to understand HubSpot's operations in detail.Engaging with HubSpotters across the organization—from engineering and product to design, research, marketing, and sales—to gain insights into how HubSpot functions as a business.Being encouraged to bring your authentic self to work and to choose a work style and location that enables you to perform at your best, whether that be from home, in an office, or a combination of both.We are not solely seeking engineers with extensive experience; we are looking for individuals who have demonstrated unique excellence, leadership qualities, and the ability to uplift those around them.

Feb 12, 2026

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Staff Software Engineer - Hardware Integration at OLIX | London

OLIX

Full-time|On-site|London

About OLIXAt OLIX, we are at the forefront of the AI revolution, tackling the unprecedented demand for advanced computational capabilities. As the industry faces a significant infrastructure gap, we are redefining the hardware landscape with our revolutionary Optical Tensor Processing Unit (OTPU). This innovative technology promises unmatched performance and energy efficiency, setting the stage for the economic opportunities of the next century.Role OverviewJoin us as a Staff Engineer in Hardware Integration, where you will be the leading technical authority in your team, specializing in hardware-software integration across a critical segment of the OTPU stack. Your expertise will guide projects from pre-silicon design to post-silicon validation and sustainment engineering.We seek an experienced engineer who can set the technical vision for the team and tackle the most challenging engineering issues. Collaborating with the Engineering Manager, you will translate strategic priorities into actionable plans, drive technical decisions, and ensure the creation of reliable, maintainable solutions. Your hands-on expertise, sound engineering judgment, and influence through high-quality work will be pivotal to our success.Key ResponsibilitiesLead Technical Direction. Collaborate with the Engineering Manager to establish the technical focus for your team and take ownership of architectural decisions that influence the team's development and operational processes.Translate Priorities into Action. Partner with the Engineering Manager to decompose complex technical challenges into specific, implementable plans, ensuring the team is aligned on building effective solutions.Uphold Technical Excellence. Define the principles, interface agreements, and standards for the team—be it in firmware interfaces, ASIC validation methods, or interconnect fabric integration—ensuring consistent application across projects.Make Informed Technical Decisions. Own critical decision-making within your domain, which may include BSP and firmware architecture, ASIC validation approaches, or BMC platform design.Foster Team Alignment. Cultivate a shared understanding among engineers by ensuring clarity and rigor in technical discussions, facilitating well-reasoned decisions.

Apr 2, 2026

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Senior Staff Software Engineer - Delta at Databricks | London

Databricks

Full-time|On-site|London, United Kingdom

At Databricks, we're committed to empowering data teams to tackle some of the world's most challenging issues, including security threat detection and cancer drug development. Our mission is to create and manage the premier data and AI infrastructure platform so our customers can dedicate their efforts to the high-value challenges crucial to their missions. Our engineering teams develop cutting-edge products that meet significant real-world needs. We operate one of the largest-scale software platforms, comprising millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we frequently encounter hardware, network, and operating system faults, and our software must effectively shield our customers from these challenges. The Delta DML team is responsible for the core write-path operations for Delta Lake, the open-source storage layer underlying the Databricks Lakehouse. Our goal is to deliver industry-leading performance and a seamless user experience at massive scale, with most data written in Databricks passing through our platform. We innovate in performance through features like Low Shuffle Merge and Deletion Vectors, and actively contribute to open-source initiatives that unify Delta and Iceberg formats. We are on the lookout for a highly skilled and experienced Senior Staff Software Engineer to join our backend team. In this pivotal role, you will design, develop, and maintain robust backend systems that power Databricks workspaces. You will work on building the next-generation platform for serving workspace assets, ensuring high queries per second (QPS), low latency, reliability, and performance while proactively addressing future growth challenges. As a senior member of the team, your responsibilities will also include providing technical leadership, mentorship, and guidance to junior engineers, thereby enhancing the overall coding practices and system designs of the team.

Jan 30, 2026

Senior Software Engineer at Ripple | London, UK

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About Ripple Labs Inc.

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