Backend Engineer

About the Role Spotify is hiring a Backend Engineer to join the Core Infrastructure team in London. This group builds and maintains backend systems that keep Spotify running smoothly for millions worldwide. What You Will Do Design, develop, and maintain backend infrastructure that supports Spotify’s global platform Work with a team focused on delivering scalable and reliable systems Contribute ideas and code to improve performance and resilience Who We’re Looking For Experience building backend systems at scale Interest in infrastructure and platform engineering Curiosity and drive to solve technical challenges for a global user base This position is based in London.

Join a Pioneering CompanyAt Palantir, we are at the forefront of developing transformative software that empowers data-driven decisions and operations. Our platforms enable partners to revolutionize industries by facilitating groundbreaking discoveries in healthcare, enhancing supply chain resilience, and aiding critical social initiatives.The OpportunityAs a Backend Software Engineer at Palantir, you will play a crucial role in crafting scalable software solutions that redefine organizational data usage. You will engage in every phase of the product lifecycle—from conceptualization and design to prototyping and delivery. Collaborating closely with both technical and non-technical team members, you will gain deep insights into customer challenges and develop innovative solutions. Our culture promotes cross-team collaboration, allowing you to broaden your technical expertise across various technologies and product domains. You'll work independently while receiving support from a vibrant community that encourages your growth as a technical contributor and engineering leader.Our Product Development teams consist of small, focused groups of Software Engineers, each dedicated to distinct product facets. The infrastructure teams specialize in the foundational layers of our software stack, emphasizing database technologies, distributed systems, large-scale data architectures, security, and application infrastructure. As an infrastructure Software Engineer, you will produce high-quality code that underpins Palantir Foundry and Gotham, ensuring they are performant, secure, and scalable. Your work will empower critical applications utilized by researchers, engineers, analysts, and forecasters across the globe.We seek engineers who are passionate about tackling real-world challenges and enhancing the productivity of both developers and end-users. If you are driven to create reliable, high-performance systems and robust APIs, this position offers a unique chance to impact our products and their users significantly.Exclusive Learning ExperienceSuccessful candidates may also participate in Frontline, a distinctive program that embeds engineers directly with customers. This short-term assignment provides invaluable insights into user experiences and the complexities our customers encounter, differentiating it from traditional engineering roles.

Join Palantir Technologies as a Senior Backend Software Engineer focused on Infrastructure. In this crucial role, you will design and implement robust backend systems that power our cutting-edge software solutions. Collaborate with a talented team to develop scalable and efficient solutions that meet the needs of our clients.

Join physicsx as a Senior Software Engineer specializing in Site Reliability Engineering (SRE). In this pivotal role, you will be responsible for enhancing our core infrastructure, ensuring reliability, scalability, and performance of our software systems. You will work with a talented team to design, implement, and maintain robust solutions that meet the needs of our users.As a senior engineer, you will also mentor junior team members, contribute to architectural discussions, and drive best practices in software development and operations.

Join Contentful as a Senior Backend & Infrastructure Software Engineer and play a pivotal role in shaping the future of our platform. In this role, you will design and implement robust backend solutions that enhance our infrastructure capabilities, ensuring scalability and performance. Collaborate with cross-functional teams to tackle complex technical challenges and drive innovation within the organization.

At Databricks, we are driven by a passion for empowering data teams to tackle some of the world's most challenging problems—whether it's revolutionizing transportation or accelerating medical advancements. Our mission is to build and operate the premier data and AI infrastructure platform, enabling our clients to harness deep data insights to enhance their businesses.Founded by engineers and deeply committed to our customers, we eagerly embrace every opportunity to confront technical challenges. From designing next-gen UI/UX for data interfaces to scaling our services and infrastructure across millions of virtual machines, we are just getting started.As part of our ongoing commitment, we are embarking on a multi-year journey to develop the best Lakehouse Platform. While we are building on a solid foundation, our aim is to create significantly improved products. This involves re-evaluating every component to deliver our customers the fastest, easiest to use, and most secure data platform for all their data workloads.As a Software Engineer, you will play a vital role as a founding member of our London site and the core team in our journey towards achieving the Lakehouse vision. You will be engaged in the complete development lifecycle and will embody the core values that define Databricks.Your Impact:Our backend teams tackle diverse challenges across essential service platforms. You may work on:Complex problems that encompass product and infrastructure components, including distributed systems, scalable service architecture, monitoring, workflow orchestration, and enhancing developer experience.Developing reliable, secure, and high-performance services and client libraries for managing vast amounts of data on cloud storage backends such as AWS S3, GCS, and Azure Blob Store.Creating product features that empower our customers to seamlessly store and access their data.Addressing reliability issues related to Lakebase.Proactively identifying downtime causes and systematically eliminating root issues.Assisting the organization in defining SLIs, achieving SLOs, and driving long-term reliability improvements.

airapps is looking for a Backend DevOps Engineer in the London Metropolitan Area. This position centers on automating and improving cloud infrastructure to support reliable application deployment and integration. Role overview Work closely with both software developers and system operators to streamline workflows and ensure that applications move smoothly from development to production. The focus is on building efficient automation and maintaining a stable cloud environment. Key responsibilities Automate cloud infrastructure tasks to improve reliability and efficiency Collaborate with development and operations teams for seamless application deployment Support integration processes to keep systems running smoothly Location This role is based in the London Metropolitan Area.

Backend Engineer About OutpostImagine a world where expanding your business globally is as easy as local sales. At Outpost, we are pioneering the AI-driven global trade engine, consolidating all the essential rules to facilitate international sales into a seamless infrastructure. Simply tell us what you’re selling, and we’ll guide you on how to sell it globally.Operating as the Merchant of Record or Tax of Record in over 58 tax jurisdictions, we take on full liability or just the tax layer. From analysis to setup, we absorb the complexities so you can focus on your business.Sell anything, anywhere, without compromise. The RoleWe are looking for a talented Backend Engineer eager to create complex financial infrastructures from the ground up. You will collaborate closely with our engineering leadership to implement payment flows, develop tax calculation engines, and build systems that power international commerce. Your insights will shape product and technical discussions, challenge existing assumptions, and help define our technical direction.Join us in constructing the infrastructure that empowers businesses to sell globally without the typical challenges. You will engage in payment processing, multi-currency ledgers, real-time tax calculations, merchant onboarding, and AI-powered compliance tools. Tackle challenging problems at real scale. What You’ll GetYes, the work can be intense, but you'll be building crucial financial infrastructure that manages hundreds of millions in transaction volume.Your contributions will significantly influence our technical direction, and you'll collaborate with a small team of experienced engineers, helping shape Outpost’s growth. If you're passionate about diving deep into payments, tax, and fintech infrastructure, this is the opportunity for you. What You’ll BuildPayment processing infrastructure capable of handling significant transaction volumesRobust ledger and reconciliation systemsTax calculation engines across multiple jurisdictionsReal-time transaction monitoring and risk management systemsMerchant onboarding and integration frameworksConnections with major e-commerce platformsAI/LLM powered taxation toolsAI/LLM driven fraud and risk management solutions What You’ll Do

Please note that this position necessitates relocation to our Milan office.About SatispaySatispay is on a mission to transform the way people manage everyday payments, making them straightforward, equitable, and accessible for all. Our vision has evolved to redefine the future of financial transactions.We are a dynamic movement empowering millions, driven by a collective mission to address significant challenges. Our approach is swift, courageous, and collaborative, fostering an environment where innovation thrives.Joining the Core Team means engaging with essential systems that manage interactions with external banks, orchestrate payments, and create the foundational infrastructure for Identity and Access Management (IAM). This team also oversees critical risk management functions, including credit risk assessment and fraud detection.If you’re eager to craft impactful solutions that serve as the bedrock for our product teams, you’ve found the right place.Your RoleAs a Senior Backend Software Engineer within the Core Team, you will be pivotal in developing the backbone of our payment platform. You will ensure the technical excellence and timely delivery of complex systems that influence multiple services and product teams throughout the organization.Your daily responsibilities will include:Engineering Core Platform Domains: You will help design and evolve our most sensitive systems including the Transaction Ledger, IAM, and Payment Orchestration, ensuring they remain high-performing, scalable, and functional for product team integration.Scaling Risk & Financial Engines: You will optimize and develop services dedicated to bank integrations, credit risk, and real-time fraud detection, constructing robust logic to safeguard our financial ecosystem.Cross-Team Technical Leadership: You will lead technical analyses for projects that span multiple services, facilitating discussions and producing comprehensive documentation (Smart Papers) to ensure clarity and robustness in your designs.Collaborative Development: Engage actively with product teams to refine requirements and enhance the overall system architecture.

Become a Key Player at Pigment: The Revolutionary AI Business Planning PlatformPigment is a pioneering AI-driven platform designed to transform business planning and performance management, tailored for agility and scalability. We unite individuals, data, and workflows in one seamless and feature-rich solution, empowering diverse teams—from Finance to HR—to construct, modify, and synchronize strategic initiatives in real-time.Established in 2019, Pigment stands as one of the fastest-growing SaaS firms globally. Esteemed organizations such as Unilever, Snowflake, Siemens, and DPD leverage Pigment daily to make informed decisions and confidently navigate various scenarios.With over 500 team members across Paris, London, New York, San Francisco, and Toronto, we have secured nearly $400 million from leading investors and have been recognized as a Visionary in the 2024 Gartner® Magic Quadrant™ for Financial Planning Software.At Pigment, we embrace intelligent risks, celebrate innovative ideas, and challenge conventional thinking while collaborating as a unified team. If you are driven by creativity and eager to make a significant impact, we are excited to connect with you.Join Our Engineering TeamOur Engineering team plays a pivotal role in developing our SaaS platform, creating a comprehensive and user-centric product. Pigment engineers engage in the entire application development lifecycle, emphasizing design, coding, and maintaining a robust production platform. While specialization is encouraged, we promote a collaborative environment where backend and frontend roles intermingle.We prioritize user-centricity and practicality—selecting the most effective tools for the challenges we face while understanding the strengths and limitations of each technology.Our engineering culture thrives on curiosity, humility, trust, ownership, and teamwork.Our technology stack includes C# on .NET Core Linux, React, TypeScript, PostgreSQL, Google Cloud Platform, Docker, Kubernetes, Terraform, RabbitMQ, and Circle CI.Explore Our Tech Blog:If you're curious about technology and innovation, visit our blog for insights!

About UsAt Taptap Send, we are on a mission to revolutionize cross-border financial services for emerging markets, enabling families to thrive, bolstering local economies, and transforming access to essential financial services for millions.Since our inception in 2019, we have redefined the movement of money across borders, operating in six of the seven continents and serving both bustling and underserved remittance corridors. We are capitalizing on a major transition from traditional banking to mobile technology, bringing digital finance to regions previously excluded from such services. Our next phase of expansion will introduce a suite of services and products tailored to enhance financial accessibility for diaspora communities, including local card offerings and additional savings and payment features.We are experiencing rapid growth, supported by prominent investors, and scaling a product that harmonizes real-world impact with state-of-the-art fintech innovation.Here are some highlights about us:Founded by Harvard alumni and seasoned entrepreneurs who previously created Segovia (acquired) and GiveDirectly (over $300M revenue, fastest-growing NGO globally).Supported by leading investors including Spark Capital, Canaan, Reid Hoffman, Breyer Capital, Unbound, Wamda, and others.Composed of top-tier talent from companies like Bain, Google, McKinsey, Uber, Checkout, and Bolt - we prioritize agility, humility, and a deep commitment to our mission.A truly diverse global team - over 250 individuals from more than 50 nationalities, speaking over 50 languages.Guided by our core values - ownership, impact, humility, and heart, reflected in our actions.The RoleWe are seeking a Senior Product Engineer to join our expanding engineering team to define, develop, and enhance features for our client-facing product. Collaborating closely with Product, Operations, Customer Support, Growth, and other departments, you will design and implement a reliable, intuitive, and user-friendly experience for our customers. As an early team member, your influence will extend to shaping our culture, processes, and standards.Taptap Send's cross-platform mobile application is built using React Native and TypeScript, interfacing with a backend service developed in Kotlin, complemented by a PostgreSQL database, all hosted on AWS and managed through Terraform and Ansible. This role focuses primarily on frontend development, but you will have abundant opportunities to engage with backend and infrastructure technologies.

Join Our Team!At Plum, we are revolutionizing how people save and invest. Our mission is to empower individuals to grow their wealth for life, whether they are saving for their first home or enjoying retirement. Since our inception in 2016, over 2 million users across 10 European countries have saved more than £2 billion with our innovative automation and AI technology. We've been recognized with awards from esteemed organizations like Deloitte and Finder, reflecting our commitment to excellence.We are a passionate team of over 200 Plumsters working collaboratively across Europe, and we are eager to welcome more talented individuals to help us achieve our vision.Your RoleAs a Senior Backend Engineer at Plum, you will play a crucial role in shaping our technology and product offerings. We seek engineers who are not only technically adept but also understand the importance of delivering outstanding products to our customers.

Greetings from Team Granola! If you haven't had the chance yet, we invite you to explore our innovative projects and discover why joining us could be your best decision.We are on the lookout for a dedicated Product Engineer specializing in Backend development. Your mission? To help us scale our systems and prepare Granola for an exciting journey to 100x more users.In this pivotal role, you will tackle scaling challenges head-on, create secure and resilient infrastructure, and develop sophisticated backend solutions that enable thrilling new features.Your key responsibilities will include:Driving the evolution and scalability of our backend systemsDesigning and implementing high-performance APIs and servicesBuilding infrastructure to support advanced AI functionalitiesEnhancing database performance and optimizing query efficiencyContinuously improving system reliability and observability with better monitoring and alerting mechanismsCollaborating across teams to ensure our infrastructure accommodates ongoing product innovationYour ideal background includes:Proven engineering experience in tech-driven and product-focused environmentsStrong command of TypeScript and Node.jsPractical experience with cloud infrastructure and infrastructure as code (we utilize AWS with Terraform)In-depth knowledge of relational databases (PostgreSQL is our choice)Familiarity with serverless architectures (we are fans of AWS Lambda!)Solid grasp of security best practices and performance optimization techniquesAs a person, you are:Primarily a builder with a passion for innovationEager to work in-person from our London office (most of the time)Thriving in a startup environment (either you've worked in one or have a strong interest in the zero-to-one phase)Valuing collaboration with kind, ambitious, and pragmatic colleaguesEnthusiastic about infrastructure for AI/ML

About the Role Shawbrook Bank is looking for a Lead Engineer to join the Vault Core Engineering team in London. This position plays a key part in shaping and developing the bank’s core banking systems. The Lead Engineer sets technical direction, supports the team, and ensures solutions meet high standards for quality and performance. What You Will Do Drive engineering projects focused on core banking system development Guide the team in building scalable, reliable solutions Maintain strong quality and performance standards throughout the engineering process Location London

Become a Force for Good with Axon.At Axon, we are committed to the mission of Protecting Life. We tackle society's most urgent safety and justice challenges through our innovative devices and cloud-based software. Our collaborative spirit drives our success as we engage with diverse perspectives from our customers, communities, and each other.Working at Axon is fast-paced, fulfilling, and engaging. You will have the opportunity to take ownership and enact real change while growing in a mission-driven environment where your contributions are valued.Your ImpactAs a Senior Software Engineer within the Infrastructure Services team at Dedrone, you will be tasked with designing, building, and enhancing the core systems that support our developer platform and critical backend services. Your robust software engineering skills coupled with extensive infrastructure knowledge will ensure our platform remains scalable, reliable, and secure. This role transcends traditional infrastructure operations; you will create production-ready backend services, design cloud-native systems, and manage the CI/CD and runtime environments that underpin our product ecosystem. Your influence will shape engineering standards, enhance developer experiences, and steer architectural decisions across Dedrone’s product teams.What You’ll DoWork Location: This position is situated in our London office following a hybrid work model. We emphasize in-person collaboration, requiring team members to be on-site from Tuesday to Friday, with the flexibility for remote work on Mondays, unless a workplace accommodation is in place. We believe that connection drives innovation, and our in-office culture is crafted to promote meaningful teamwork, mentorship, and collective success.Reports to: Engineering Manager, Infrastructure ServicesBackend & Platform Service EngineeringDesign, construct, and sustain production-grade backend services (primarily using Java, Go, or Python) that facilitate deployment orchestration, internal APIs, and developer platform functionalities.Contribute to architectural decisions encompassing service boundaries, API design, persistence layers, scalability strategies, and fault tolerance.Enhance performance, reliability, and maintainability of platform services through rigorous testing practices and meticulous system design.Manage and evolve shared services governed by the Infrastructure Services team.CI/CD & Developer PlatformOwn, design, and refine CI/CD systems that support Dedrone’s distributed product ecosystem.

About Anaplan Anaplan builds AI-powered scenario planning and analysis tools that help businesses make smarter decisions. Over 2,400 organizations worldwide, including Fortune 50 leaders like Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer, rely on Anaplan’s platform to stay competitive. Our teams share a strong commitment to client success and a culture that values innovation, diverse perspectives, and celebrating achievements at every level. We focus on strategic goals, value-driven work, and disciplined execution, creating space for growth, recognition, and connection. Role Overview: Principal Infrastructure Engineer Anaplan is hiring a Principal Infrastructure Engineer to lead the design and deployment of a multi-region HashiCorp Vault platform. This role serves as the Subject Matter Expert for secrets management and governance, supporting hundreds of engineers and global clients. This is a hybrid role based in London, with at least two days per week in the office. What You Will Do Architect, design, and implement a new multi-region HashiCorp Vault platform on public cloud infrastructure. Own the solution architecture, maintaining high-quality design documents and Architecture Decision Records (ADRs). Develop and test strategies to ensure platform resilience, including performance, Disaster Recovery (DR), and High Availability (HA). Act as the primary SME for Vault and modern secrets management, promoting best practices across the organization. Work closely with stakeholders, platform teams, and software engineers to integrate their services securely with the Vault ecosystem. Partner with Security to define and meet control requirements for the Vault platform, covering policy standards, privileged access, audit/evidence, and compliance needs. Lead regular security discussions and maintain a proactive security posture within the company.

Mendix builds a low-code application development platform used by organizations worldwide to launch new ideas quickly. Since joining Siemens in 2018, Mendix has blended the scale of a global software company with the flexibility of a fast-growing team. The Solutions Engineer - Core AI position is available in several cities: London, Rotterdam, Amsterdam, Munich, Berlin, Erlangen, Frankfurt, or Stuttgart. This role centers on developing and scaling hybrid agentic workforces by combining low-code tools, AI, data, and system integrations. The goal is to help organizations efficiently create and orchestrate agents and applications. What you will do Design and build customer-facing prototypes and lighthouse projects to test and validate AI-driven integration scenarios. Lead strategic workshops and technical sessions with both customers and internal teams, focusing on agentic AI workflows and advanced integrations. Transform successful customer projects into reusable assets, such as reference architectures, blueprints, accelerators, and scalable patterns. Act as the technical lead for agentic system design, guiding tool selection, orchestration, and multi-agent strategies. Develop and manage complex integration architectures to ensure smooth operation across diverse platforms.

Palantir Technologies is seeking an Edge Infrastructure Engineer in London to help develop and refine infrastructure solutions. This position involves working closely with teams from different disciplines to support the integration and performance of Palantir’s systems. Role overview This role focuses on building and optimizing infrastructure that supports Palantir’s products at the edge. Collaboration with engineers and other specialists is central to ensuring systems work together smoothly and deliver reliable results. Key responsibilities Develop and improve infrastructure solutions for edge environments Work with cross-functional teams to integrate new technologies and features Monitor and enhance system performance and reliability Location This position is based in London, United Kingdom.

At Spotify, we are on a mission to revolutionize the way creators and listeners engage with long-form storytelling through our Audiobooks initiative. Our objective is to create a seamless ecosystem for audiobook content, facilitating smooth transfers from publishers to listeners. This includes building the robust systems necessary for content ingestion, processing, and efficient delivery across our rapidly expanding global catalog. We are seeking a talented Senior Backend Engineer to join a dynamic and impactful team within the Audiobooks Pipeline sector. This team's primary responsibility is to design and scale systems that handle the ingestion, processing, and transformation of audiobook and eBook content, metadata, and royalties, ensuring that listeners receive the right content with utmost efficiency and quality. While this role encompasses full-stack responsibilities, the emphasis will be on backend and data-centric development. We are looking for an individual who thrives in uncertain environments, is passionate about learning, and is excited to tackle complex challenges across the tech stack.