Senior Fullstack Engineer - Commerce Platform

Join Scopely as a Senior Server/Backend Engineer for our exciting Monopoly GO! game team, where you can work remotely from anywhere in the UK, Spain, Portugal, or the US. We are passionate about inspiring play and creating engaging experiences for our players while fostering a collaborative work environment with our talented colleagues.Monopoly GO! has rapidly become one of Scopely's flagship games, boasting over 10 million daily active users. Our cross-functional team is dedicated to enhancing player experiences and ensuring a safe and fair gaming environment.Your Role: As part of our growing team, you will work closely with infrastructure engineers, data engineers, product managers, and tech leads to develop innovative solutions.Tech Stack:A Unity mobile game with a .NET/C# backendExtensive use of AWS services such as EC2, DynamoDB, Redis, and ElasticSearchCI/CD pipeline featuring GitHub Actions, Bamboo, and SpinnakerMonitoring tools including Datadog, Bugsnag, and Kibana

At Intercom, we are revolutionizing customer service with our cutting-edge AI technology. Our mission is to empower businesses to deliver exceptional customer experiences through our advanced AI agent, Fin. With Fin, companies can provide round-the-clock, stellar customer support and enhance their overall customer interactions.Integrated with our Helpdesk, the Intercom Customer Service Suite offers a comprehensive solution for handling complex queries that necessitate human intervention. Since our inception in 2011, we have gained the trust of nearly 30,000 businesses worldwide, continuously setting new benchmarks in customer service excellence.What’s the Opportunity?As a Principal Engineer on our web platform team, you will play a pivotal role in shaping the technical foundations and architectural advancements of our web services. Our websites, including intercom.com and fin.ai, are key drivers for our growth, enabling storytelling, branding, experimentation, and product discovery.In this cross-functional leadership position, you will collaborate with marketing, analytics, design, data science, and engineering teams to ensure our web stack remains modern, efficient, and a joy to work with. You will have the autonomy to define and implement the long-term technical strategy for our team.

About Gigs Gigs builds a platform that lets tech companies add global mobile connectivity to their products. The goal: make integrating telecom as simple as integrating payments. By automating provisioning and removing telecom hurdles, Gigs helps businesses from fintechs to HR platforms offer mobile services without the usual complexity. The team numbers around 100 people, spread across the US and Europe. Gigs has raised close to $100 million from investors including Ribbit Capital, Google, and Y Combinator. The company brings together engineers and product leaders from places like Stripe, Airbnb, and Shopify, all focused on solving technical and regulatory challenges in telecommunications. Curiosity, creativity, and a drive to shape the future of telecom matter here. Gigs welcomes people who want to tackle tough problems and make an impact. Core Values Speed: Move quickly and deliver. Ambitious deadlines are the norm, and each week counts. Ownership: Spot a problem? Step up and fix it without waiting for approval. Customer Obsession: The success of customers is central to every decision. Ambiguity: Work often involves making decisions with incomplete information. Judgment and instinct matter. First Principles: Question assumptions and dig into the reasons behind how things are done. Role Overview: Senior Platform Engineer (London) This role sits at the heart of Gigs’ technical operations. Senior Platform Engineers design, build, and maintain the infrastructure and developer tools that power the company’s connectivity and payments platform. The work enables product teams to ship faster and more reliably, supporting growth at scale. The Foundation team owns the core systems every Gigs engineer depends on: CI/CD pipelines, cloud infrastructure, observability, deployment tools, and shared platform services. Taking on complex infrastructure challenges is a key part of the job, with a focus on keeping systems efficient and dependable.

Your ImpactAs a Senior Platform Engineer at DISCO, you will lead significant projects and play a pivotal role in the success of our engineering teams. Your expertise will inform long-term strategic planning, mentorship for senior engineers, and steer technical decisions across various teams or departments. Your focus will be on system design, implementation, and the ongoing maintenance and enhancement of DISCO’s distributed data platform.What You'll DoTechnical Leadership and Mentorship: Assume a leadership role in project teams, guiding engineers and influencing technical decisions, while innovating and solving complex organizational challenges.Performance Optimization: Design systems that emphasize high performance, scalability, and reliability.Ownership: Proactively identify and address potential issues within products and systems, creating actionable plans for resolution.Stakeholder Engagement: Collaborate closely with stakeholders including product managers, designers, developers, and executives to ensure architectural designs align with business needs and customer expectations.Software Development: Develop, maintain, and enhance sophisticated, scalable, high-performance data software solutions tailored for our big data platform at a petabyte scale, ensuring architectural excellence.Code Quality and Optimization: Commit to and enhance code quality through thorough review processes, optimization techniques, and adherence to industry best practices.Technical Problem Solving: Tackle intricate technical challenges with innovative problem-solving approaches.Collaboration and Communication: Work effectively within the engineering team and cross-functional teams, fostering collaboration with engineers, product managers, and stakeholders during project planning and execution.Continuous Learning and Adaptation: Stay abreast of the latest technological trends and advancements, continuously improving your skills and knowledge to contribute innovative ideas to the team.Technical Documentation: Generate and maintain comprehensive technical documentation to ensure clarity and accessibility of information.Data Platform Development: Construct and sustain robust and scalable data platforms to facilitate analytics, machine learning, and business intelligence.Data Integration and ETL: Design and optimize ETL (Extract, Transform, Load) processes, ensuring efficient data integration.

Join Us in Revolutionizing the Creator Economy with AIFanvue is a leading force in the rapidly evolving creator monetization landscape. Our AI-driven platform empowers creators to engage, connect, and earn directly from their audiences on a grand scale. Following our recent Series A funding, we have achieved over $100 million in annual recurring revenue, experiencing triple-digit growth year-over-year and supporting a vibrant community of hundreds of thousands of creators and millions of fans worldwide.As a Platform Engineer at Fanvue, your mission will be to streamline processes for our engineering teams. This role is pivotal in developing the infrastructure, tools, and foundational components that enable our product teams to deliver solutions swiftly, safely, and confidently at scale. Your ResponsibilitiesConstruct and uphold core platform infrastructure across diverse cloud environmentsEnhance CI/CD pipelines to facilitate rapid, secure, and consistent deploymentsDesign and implement observability, monitoring, and alert systems for platform servicesDevelop self-service tools and platform primitives that empower teams to operate independentlyCollaborate with product teams to assess infrastructure needs and eliminate obstaclesBoost reliability, scalability, and cost-effectiveness across core systemsManage incidents, perform post-incident analyses, and implement lasting solutionsContribute to the documentation, standards, and best practices for the platform Who You AreProven experience as a platform, infrastructure, or backend engineerProficient in working with cloud platforms and distributed systemsFamiliar with infrastructure as code, CI/CD systems, and monitoring toolsPossess a product-oriented mindset and a collaborative spirit

About UsYouLend is a dynamic and rapidly expanding FinTech company, recognized as the premier embedded financing platform for many leading e-commerce platforms, technology firms, and Payment Service Providers globally. Our innovative software platform empowers partners to enhance their value proposition by providing flexible financing products under their own branding to their merchant networks, all while mitigating capital risk.With backing from EQT, a top-tier Private Equity firm, we have achieved over 100% growth year-on-year since 2020. Headquartered in London, UK, we also operate across several European nations and the United States, serving notable partners including eBay, Amazon, Just Eat, Shopify, and Stripe.The RoleWe are looking for an experienced Senior Platform Engineer to join our Dev Enablement team. In this role, you will empower product engineers, enabling them to deliver high-quality code more swiftly and reliably. You will be responsible for building systems that enhance developer productivity, optimize CI/CD processes, and improve infrastructure efficiency, all while leading through technical excellence, collaboration, and mentorship.

Role Overview Legal & General is hiring a Senior Dynamics Platform Engineer in London. This role focuses on designing and building solutions using the Microsoft Dynamics platform. The position offers a chance to shape core systems and influence how technology supports the business. What You Will Do Design and develop solutions on Microsoft Dynamics Contribute to enhancements across the technology stack Drive improvements in system performance and security What We Look For Strong experience with Microsoft Dynamics Ability to deliver secure, high-performance solutions Collaborative approach and willingness to share expertise

Join Contentful as a Senior Platform Engineer and be part of a dynamic team dedicated to creating scalable and efficient software solutions. In this role, you will leverage your expertise to enhance our platform, ensuring optimal performance and reliability. You will collaborate closely with cross-functional teams, driving innovation and excellence in our engineering practices.

Join Multiverse as a Senior Software Engineer specializing in Platform Engineering. In this pivotal role, you will leverage your expertise to design, build, and enhance our platform, ensuring it meets the highest standards of performance and reliability. Collaborate with cross-functional teams to deliver robust solutions that drive the success of our innovative programs.

Location: London (Office)On-Site | Full-timeCompensation: $250K - $300KJoin our client, a dynamic and rapidly growing development firm at the forefront of digital asset innovation. With a remarkable $750M in daily trading volume and nearly $1B in revenue over the past two years, this company operates with a streamlined team of under 100 talented individuals.In a fast-paced and data-driven environment, the organization emphasizes engineering excellence and encourages a culture of experimentation while minimizing bureaucracy. As a Senior Payments Platform Engineer, you will take ownership of scaling the critical infrastructure that powers fiat-to-crypto payment flows, ensuring it meets the demands of a high-velocity product team.The ideal candidate will possess substantial experience in neobanks, payment service providers (PSP), or tier-1 financial institutions. You will be instrumental in maintaining the reliability, scalability, and compliance of cloud infrastructure while navigating stringent financial constraints and regulatory expectations.

Recursion Pharmaceuticals brings together technology and biology to advance drug discovery. The company’s Recursion Operating System combines machine learning, large-scale experiments, and a proprietary dataset that spans biological, chemical, and patient-related data. Each week, the team conducts millions of wet lab experiments and uses a supercomputing environment to find new connections in biology and chemistry. What you will do Develop, scale, and manage the core data platform. This includes building, operating, and optimizing systems that support querying and exploration across Recursion’s vast datasets, such as a chemistry library with billions of compounds, petabytes of microscopy images, and diverse assay results. Help make complex datasets accessible for scientific teams. Work closely with biologists, chemists, and data scientists to ensure data from different biological models and treatments can be explored and queried, even for new and evolving research questions. Mentor and support colleagues by sharing technical expertise and experience, helping others grow and increasing impact across teams. The team This role joins the Data Lake team, responsible for building and maintaining Recursion’s Data Lake and Data Lakehouse. The group manages both relational and object storage, ensuring all data is discoverable, queryable, and connected. As Recursion grows, the team integrates new data types under the guiding principle that all data flows to the Data Lake. Location London, England; Milton Park, England

LemFi (Series B) is on a mission to revolutionize financial services for the Global South.Relocating to a new country should not mean starting from square one. Our dedicated team of over 400 professionals across 20+ countries is crafting a financial ecosystem designed to empower immigrants to maintain connections to their home countries, establish stability, and build wealth, irrespective of their origin or current residence.What started as a platform for swift and affordable remittances is now transforming into a comprehensive solution for multi-currency accounts, seamless payments, credit options, and long-term financial prosperity.With millions of users worldwide, we facilitate over $1 billion in transactions monthly across 30+ countries, demonstrating that financial opportunities should transcend borders.Your RoleAs a Senior Platform Engineer at LemFi, you will play a crucial role in designing, building, and enhancing the cloud infrastructure that enables global money transfers at scale.Your objective is to develop a secure, scalable, and cost-efficient AWS cloud platform that empowers engineers to deploy solutions rapidly while adhering to the operational and regulatory standards expected of a leading fintech organization.Beyond mere infrastructure maintenance, you will create a self-service internal cloud platform that boosts reliability, fortifies security, and ensures our systems are resilient as we manage billions in global transactions.How You'll Make an ImpactDesign and scale robust AWS infrastructure with an emphasis on reliability, security, and cost-efficiency.Develop and uphold Infrastructure as Code (Terraform / CloudFormation) ensuring that modifications are auditable and reproducible.Enhance our observability features (monitoring, logging, alerting, tracing) and fortify SLO-driven reliability.Advance our CI/CD pipelines and contribute to the development of our Internal Developer Platform.Assist in incident response, disaster recovery, and compliance with standards such as GDPR, PCI DSS, SOC2, DORA, ISO27001.Who You AreOwnership-driven — you take initiatives from design through to production.Proactive and innovative — always looking for ways to enhance processes and systems.

Checkout.com supports online payments for major brands including eBay, ASOS, Klarna, Uber Eats, and Sony, processing billions of transactions every year. With a presence in 19 offices across six continents and headquarters in London, the company emphasizes high performance, continuous improvement, and innovation. Employees contribute directly to shaping the future of fintech. Role overview The Senior Engineering Manager - Data Platform leads the Data and AI Platform Team. This group provides the systems and tools that enable products, merchants, and internal teams to make effective use of data and AI. The goal is to maximize time spent on innovation and solving business problems, while reducing the complexity of technical implementation, deployment, and monitoring. As Checkout.com grows, the Data Platform must scale to support hundreds of teams and manage petabyte-scale data volumes. What you will do Guide the team in designing technical architecture and building user-focused systems and tools. Oversee technical delivery and operational reliability, driving process automation and maintaining high engineering standards. Ensure service levels (SLAs/SLOs) are met with minimal manual intervention. Manage a team of Junior and Senior Data Engineers, providing hands-on support when needed. Foster an inclusive culture and mentor team members in both technical and interpersonal development. Lead quarterly execution of roadmap deliverables, ensuring alignment with business objectives. Location This position is based in London.

Join Spotify as a Senior Android Engineer within our innovative Data Platform team. In this role, you will leverage your extensive Android development experience to enhance our data services and deliver optimal user experiences. You will collaborate with cross-functional teams, including product managers and data scientists, to design and implement robust solutions that support our growing user base.

Location: London (E1) Hybrid working model: Work from the office two days each week and remotely for three, with flexibility for more office time if preferred. Role overview Goodlord is expanding and hiring a Senior Platform Engineer to lead the Azure-native core of a dual-cloud platform (Azure and AWS). This position blends infrastructure, security, and developer experience. The main focus is to keep APIs and serverless systems reliable, while guiding the shift toward a Kubernetes-native setup. What you will do Manage Azure workloads, including Function Apps, Cosmos DB, and Event Grid, to maintain reliability, scalability, and security in production. Design and implement Infrastructure as Code with Terraform, ensuring consistent environments across development, staging, and production. Lead the containerization approach, building and deploying Kubernetes workloads in managed cloud environments such as AKS and EKS. Enhance logging and monitoring using tools like Datadog and Azure Monitor, support ISO 27001 compliance, and strengthen cloud security for identity and networking. Explore AI-driven tools (such as Claude Code) to improve platform operations and developer productivity. Mentor engineers and help them make the most of the platform. Requirements Extensive experience with Azure and building cloud-native workloads, including APIs, serverless, and event-driven systems. Proven use of Infrastructure as Code tools like Terraform in production environments. Hands-on experience with Docker and Kubernetes on managed cloud platforms. Strong understanding of cloud networking, security, and monitoring best practices. Effective scripting skills, experience supporting CI/CD pipelines, and an interest in mentoring others. Motivation to coach and support team development. Why Goodlord? Two in five people in the UK rent their homes. Goodlord is working to set the standard for rental platforms and is committed to improving the renting experience for everyone involved.

Join our dynamic team at physicsx as a Senior Software Engineer focused on Platform Operations. In this role, you will be instrumental in enhancing our platform's performance and reliability, ensuring exceptional user experiences. You will collaborate with cross-functional teams to design, develop, and implement robust software solutions that meet the evolving needs of our users.

Join our dynamic team at PhysicsX as a Senior Software Engineer specializing in Platform Runtime. In this pivotal role, you will lead the design and implementation of our software platform, ensuring high performance and scalability. Collaborate with cross-functional teams to create innovative solutions that drive the future of technology.

Menlo Security helps organizations around the world connect, communicate, and collaborate securely. The company supports a wide range of clients, including Fortune 500 firms, nine of the ten largest global banks, and the Department of Defense. The shift in work patterns since COVID-19 has only increased the importance of Menlo’s mission. Menlo Security is entering a new phase of growth, expanding beyond its current team of 400. The company values empathy, adaptability, and a commitment to results. Team members are expected to work ethically, stay organized, focus on service, and contribute to a culture that values both giving and receiving feedback. Menlo is backed by investors such as Vista Equity Partners, General Catalyst, JPMC, American Express, HSBC, and Ericsson Ventures. Role Overview The Senior Engineer I - Web Isolation (UK Region) will join the UK-based Web Isolation team. This group builds and maintains Menlo’s remote browser technology, which protects millions of users worldwide through the company’s cloud platform. The work spans desktop and mobile, with a focus on security at every layer. Key technical areas include: Chromium internals Networking Video and audio integration Advanced HTML5 (such as WebGL and WebRTC) Containerization Load balancing and scalability The team values strong design, thorough code reviews, and a collaborative approach. Engineers with deep systems-level experience outside of browsers are encouraged to apply if they are ready for new technical challenges. For more about the kind of work involved, see the Menlo blog: Mobile Isolation Era Begins. What You Bring Extensive understanding of browser technology Hands-on experience with Chromium internals Background in networking, video, and audio technologies Familiarity with advanced HTML5 features (WebGL, WebRTC) Proficient C++ programming skills Ability to use modern AI tools in development workflows Knowledge of Python, Rust, and JavaScript is a strong plus Location Role based in the UK region (EMEA).

Join Algolia as a Senior Software Engineer specializing in User Interface and Connectors Platform. In this pivotal role, you will contribute to the development of innovative UI solutions that enhance user experience across our platform. Collaborate with a talented team of engineers to design, implement, and optimize various connectors, ensuring seamless integration with our services.We are looking for a candidate who is passionate about technology, thrives in a fast-paced environment, and is eager to push the boundaries of what is possible in software engineering.