Staff Platform Engineer - Developer Experience

Join Zopa as a Platform Engineer focused on enhancing developer experience! In this role, you will be instrumental in optimizing our development platform, facilitating a seamless workflow for our engineering teams. Your expertise in platform technologies will empower developers to build and innovate more efficiently.

Equals Money has served over a million customers during its 18 years in the payments and financial operations sector. The company’s services include travel money, international transfers, card issuance, FX hedging, and expense management. In May 2025, Equals Money merged with Railsr, combining the reach and regulatory expertise of an established institution with the drive of a fintech. This merger has set the stage for a new operational model aimed at growth over the next decade. To support this direction, Equals Money is rebuilding its internal systems. Teams are working on integrated platforms, automated workflows, and AI-driven processes to improve onboarding, compliance, decision-making, and international expansion. Role overview The Developer Platform Engineer will focus on making Equals Money’s APIs easier and more effective for external developers. APIs are at the heart of how the company enables secure money movement for businesses, and improving integration is a key priority. This hands-on role centers on building and managing the developer sandbox, a production-level environment where external partners can integrate, test, and launch their solutions. What you will do Lead efforts to enhance the developer platform, from initial concept through to delivery Design and maintain the developer sandbox environment Work on API design, documentation, and developer tools Collect and incorporate feedback from external developers into engineering processes Write production-ready code and make decisions about platform features Act as a representative for Equals Money’s APIs within the external developer community Location This position is based in London or Chester, England, United Kingdom.

Job Title: Engineer II Location: London / Bristol / Edinburgh (Hybrid options available) Salary: £45,600 - £62,700 Team: Developer Experience Reporting To: Senior Software Engineering Manager This position is based in the UK and candidates must possess the right to work in the UK. Currently, we are unable to offer visa sponsorship for this position. Our commitment to building a diverse, global team is paramount, and our sponsorship policy is assessed on a role-by-role basis. Please check back on our careers site for future opportunities that may include visa sponsorship. Kaluza is revolutionizing the energy sector with our Energy Intelligence Platform, simplifying the complexities of energy management. We assist energy companies in addressing contemporary challenges while propelling the transition to a sustainable, electrified future. Our platform facilitates millions of real-time decisions across households, devices, markets, and grids. By integrating predictive algorithms with user-centric design, Kaluza ensures that clean energy is reliable, affordable, and seamlessly integrates into daily life. With teams spread across Europe, North America, Asia, and Australia, and a joint venture with Mitsubishi Corporation in Japan, we empower leading companies such as OVO, AGL, and ENGIE, alongside innovators like Volvo and Volkswagen. Where will I be working? You will be part of the Developer Experience (DevEx) team within our expansive Kaluza Technology community. Our team comprises a diverse group of data-driven and product-oriented Software and Production Engineers who are at the forefront of technological innovation and operate at an impressive scale. Together, we pursue engineering excellence by implementing best practices throughout the community. In this role, you will be instrumental in designing and enhancing our Internal AI Engineering Platform. Your responsibilities will include creating the infrastructure—from Model Context Protocol (MCP) servers to collaborative workflows—that enables our software teams to operate more efficiently and securely. Your contributions will significantly influence Kaluza's ability to eradicate defects, enhance productivity, and set the benchmark for AI-driven development. Our tech stack is dynamic, and you may work with: AWS, Kubernetes, LLMs (Claude, GPT, etc.), MCP servers, LangChain/LangGraph, and contemporary monitoring tools.

Over 500 million downloads. 80 million monthly users. A decade of relentless innovation – and we’re just getting started.Flo is the leading health & fitness app globally, dedicated to transforming the future of female health. With a $200 million investment led by General Atlantic, we proudly became the first app in our sector to achieve a $1 billion valuation in 2024. Our journey continues unabated.With 7 million paid subscribers and the highest-rated user experience in the App Store’s health category, we have spent the last decade building trust on a grand scale. Now, we are pioneering the next generation of digital health technologies – AI-driven, privacy-centered, and clinically validated – to empower our users to better understand their bodies.Your RoleThe Challenge AheadAt Flo, we’re more than just an app; we’re a thriving global community. As the number one women’s health app, we experienced 8.6 million new installs in the last month, along with a 2.8 million increase in active users.This extraordinary growth demands top-tier engineering talent. We are on the lookout for a Senior Developer Experience Engineer to join our Velocity team, which focuses on enhancing our internal platform. Your objective will be to create the foundational tools that empower our engineering teams to deploy code more efficiently, securely, and at a scale that most engineers rarely encounter.Your Mission: VelocityThe Velocity team aims to minimize friction in the development process. We see our internal developers as our primary customers. Your responsibilities will include:Simplifying Complexity: Craft intuitive tools that facilitate self-service, allowing developers to concentrate on core product logic.Standardizing Excellence: Integrate best practices, security, observability, and scalability into our core infrastructure, ensuring they are fundamental, not just afterthoughts.Your ResponsibilitiesEnhancing Developer Experience: Develop self-service tools that grant product teams the autonomy they need without compromising system stability.Platform Engineering: Design and advance our core technology stack (AWS, EKS, Terraform, Ansible).Systems Resilience: Spearhead reliability initiatives, encompassing business continuity planning and a sustainable on-call strategy.Privacy at Scale: Bolster the infrastructure for industry-leading privacy features, such as our TIME-recognized "Anonymous Mode." Observability: Deploy cutting-edge monitoring solutions (metrics, logs, tracing) to ensure swift identification and resolution of issues.

Join Our Team at Motorway!Motorway is the UK's leading online marketplace for used cars, connecting private sellers with thousands of trusted dealers across the nation. Launched in 2017, our innovative approach has transformed the car selling experience, and we are proud to be backed by top-tier technology investors, having secured £143 million in Series C financing.This is an exceptional opportunity to become part of a rapidly growing scale-up during a pivotal moment in our expansion, contributing to positive change in the automotive industry.Your Role:As a Senior Developer Experience Security Engineer, you will play a crucial role in enhancing the security and scalability of our developer experience at Motorway. Our team is focused on building a new container platform utilizing AWS Fargate, and we are dedicated to improving our observability, reliability, and developer-centric tools.You will bridge the gap between the Developer Experience and Security Operations teams, ensuring that security strategies are seamlessly integrated into our platform abstractions, tools, and configurations. Your mission is to make the secure path the easiest path for our engineers as they build, deploy, and operate software.Key Responsibilities:Design, implement, and maintain secure-by-default platform capabilities, including IAM patterns, network primitives, secrets management, runtime protections, and encryption, that are user-friendly for product teams.Develop automated security checks and guardrails to enhance our security posture.

Join a Revolutionary CompanyMeticulous is transforming the software development landscape at an unprecedented pace. We have created the world's first fully autonomous and comprehensive testing platform specifically for frontend codebases—a groundbreaking capability that we believe is essential for unleashing the full potential of code generation.Our innovative solution has garnered significant interest, with renowned companies such as Dropbox, Wiz, and Notion often prioritizing Meticulous over other software products in their stack. Our dedicated team of eleven, featuring exceptional engineers from esteemed organizations like Uber, Google, Dropbox, GitHub, Meta, and Palantir, has made this success possible.Discover more about our mission in this video here.Your RoleBe Our First Platform EngineerAt Meticulous, we analyze thousands of recorded user sessions for each pull request, necessitating robust and scalable infrastructure that is both fast and cost-effective.As the first dedicated Platform Engineer, you will take ownership of the systems enabling this capability. Your responsibilities will encompass designing and constructing resilient infrastructure to accommodate significant growth, managing its production operations, and shaping our incident response processes. This is not merely a maintenance position; you will be instrumental in defining our operational and architectural strategies as we expand.Enjoy substantial autonomy in this role. As a key member of a small team, your architectural decisions will directly influence our infrastructure development, allowing you to innovate rather than simply execute predefined designs.Key ResponsibilitiesYour contributions will drive our platform engineering initiatives, spanning infrastructure, security, and developer experience:Designing Robust Infrastructure: Architect, build, and scale the compute platform that powers Meticulous, effectively managing our cloud resources through Terraform while maintaining rigorous change management protocols. Optimize infrastructure costs while balancing performance and expenditure as we grow.Ensuring Production Reliability: Enhance our monitoring, alerting, incident response, and on-call protocols to guarantee swift and effective resolution of system issues.Developing Production Code: Integrate platform engineering with general software development tasks, contributing code that extends beyond mere infrastructure.

Join our innovative Client Platform team at Spotify, an R&D studio dedicated to enhancing the productivity of client developers. Our mission is to optimize performance and stability across the Spotify applications, ensuring that users enjoy an exceptional experience.We achieve this by offering advanced observability and tools that capture critical performance metrics and stability data, presenting it to feature squads in a clear and actionable format. Our collaborative approach involves working closely with internal stakeholders to comprehend their needs and create a platform that seamlessly integrates with their workflows. Occasionally, we partner directly with feature squads to implement our tools and pinpoint areas for improvement within the app.Currently, we are developing the next-generation observability platform that consolidates various client observations into a unified view, empowering engineers to diagnose issues in real-time, identify bottlenecks, and effectively address bugs and regressions.

Blacklane is hiring an Engineering Manager - Platform to join the London office. This leadership role sits at the intersection of infrastructure and developer experience, with a focus on turning a suite of internal tools into a unified platform product. The team is growing, and this position plays a key part in shaping both processes and culture to help product teams deliver more effectively. What you will do Lead the team in integrating platform tools into a single, cohesive internal product. Collaborate closely with the Staff Engineer to set direction, define standards, and manage project timelines. Make decisions that prioritize meaningful business outcomes over simply closing tickets. Clarify ambiguous requirements and turn them into actionable plans. Mentor engineers, support hiring efforts, and foster a collaborative, high-performing team environment. Encourage continuous learning and improvement within the Platform unit. Champion high standards in developer experience, infrastructure, and site reliability engineering. Maintain open communication with other Engineering Managers to coordinate expectations and dependencies. Requirements Ideal candidates bring experience in Platform, Backend, or Data Engineering, and enjoy solving complex problems through to completion. A commitment to learning and team development is important. Initiative: Proactively addresses important issues and builds strong business cases for solutions. Execution: Delivers results and navigates challenges with a strategic mindset. Location This role is based in London.

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.

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.

About AronditeArondite is a cutting-edge defense technology firm dedicated to creating the essential software and artificial intelligence that will drive the autonomous future. We aim to transform how organizations interact with sensors, robots, and autonomous systems, leveraging the data they produce. Our mission is fueled by a commitment to uphold our shared democratic values and the belief that a select group of talented engineers can effect significant change. We are ambitious, well-financed, and focused on sustainable growth.Join Arondite at a transformative time. Our company thrives on the contributions of exceptional engineers—individuals who find engaging and technically challenging work stimulating, and who consistently achieve remarkable outcomes. You will collaborate with other brilliant minds to tackle some of the world’s most pressing and complex challenges.From Day One, you will have ownership and autonomy. There is no rigid corporate hierarchy at Arondite. On your first day, you will have a direct impact on the design, functionality, and strategic direction of our product offerings. We recruit top talent and provide them with substantial autonomy; the possibilities are limitless for those with the right ambition.If our mission resonates with you and you aspire to join a dynamic team of outstanding individuals, we want to hear from you!RequirementsThis high-impact position revolves around Platform Engineering and Developer Experience (DevEx). You will take comprehensive ownership of our internal development ecosystem, enhancing it into a robust, self-service platform that simplifies infrastructure complexity. Your objective is to design and maintain the 'Golden Path': the standardized, automated pathway from local code to a production-ready state. You are a versatile engineer who perceives infrastructure as a product, and internal developers as your primary clients.Your responsibilities will encompass:Platform Product Management: Assume end-to-end ownership of the internal developer platform, identifying bottlenecks in the software delivery lifecycle and devising automated solutions to address them.Golden Path Engineering: Design and refine standardized deployment patterns that embed security, compliance, and observability, allowing product teams to concentrate solely on business logic.Tooling Infrastructure: Oversee the lifecycle of our self-hosted engineering suite (e.g., GitLab), ensuring high availability, performance, and seamless integration with the broader ecosystem.Continuous Delivery Evolution: Promote the adoption of modern deployment methodologies (such as GitOps) to guarantee declarative, reproducible, and auditable state management across all environments.Software Security and Robustness: Build secure and resilient software by adhering to best practices.

Join us at Ably, where we are at the forefront of the realtime digital experience revolution. As users engage in livestreams, receive instant financial updates, and collaborate online, we are committed to powering these experiences on a large scale.Our mission is to prioritize developers in everything we do. With a comprehensive suite of products, we enable the creation, enhancement, and delivery of powerful realtime digital experiences, handling billions of messages across millions of devices daily and serving prestigious clients such as Harness, EA, Panasonic, and HubSpot.At Ably, you will contribute to building the infrastructure and technology that will define the future of the internet. The potential here is vast, and we are eager for your expertise to help us reach new heights.About This RoleAs the Technical Lead for Developer Experience, you will co-architect the vision and strategy for our Developer Experience (DevEx). Your focus will be on transforming our dashboard, documentation platform, and control plane into an exceptional user experience. We seek a senior, hands-on engineer who is passionate about enhancing the developer journey and improving the overall user experience of the Ably platform.Your deep full-stack expertise will empower you to lead a team of five engineers, where immediate feedback is part of the process, as you and your team are the end users of the ecosystem you are creating.Day-to-Day ResponsibilitiesEnhance Developer Experience: You will take charge of how developers interact with Ably’s platform and services, collaborating with the DevEx PM to set a benchmark for the industry.Lead Technical Execution: You will guide a team of five engineers in developing customer-facing web applications and will be responsible for the technical architecture and design decisions regarding our dashboard, documentation platform, marketing website, and billing UI.Foster a Product-First Culture: You will cultivate an environment where engineers are principal stakeholders in product features, focusing on customer outcomes while challenging the conventional “feature factory” approach.Thrive in a Fast-Paced Environment: You will lead a team that works collaboratively with PMs, customers, and engineers to rapidly iterate and co-create features.

About the Role Saturn is looking for a Platform Engineer in London. This role focuses on building and improving the platforms that power our products. The work centers on designing systems that scale, run efficiently, and support a growing user base. What You Will Do Develop and optimize core platform components Work closely with other engineers to deliver reliable systems Contribute to the design of scalable solutions that handle increasing demand Team and Collaboration Platform Engineers at Saturn collaborate with a skilled engineering team. The group values practical solutions and a shared commitment to quality.

Role overview As a Staff Engineer on the Data Platform team at yuno in London, the focus is on designing and developing scalable data solutions. These systems help internal teams operate more efficiently and contribute to product improvements across the company. This position involves hands-on work with technical architecture, providing the chance to influence how data systems are built and maintained. Projects in this role are closely tied to business goals, with a direct impact on yuno’s progress. Key responsibilities Build and maintain scalable data platforms to support internal stakeholders Contribute to the design and evolution of technical architecture Work on projects that drive product and business growth Location This role is based in London.

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.

At OakNorth, we are dedicated to empowering the most ambitious businesses in the UK. Since our inception in 2015, we have provided over $21 billion in loans across the UK and US, facilitated the creation of more than 58,000 new homes and 36,000 jobs, and supported countless personal savers, all while contributing to the growth of the UK economy. Join us in making a tangible impact!

Genomics England is looking for a Platform Engineer based in London. This full-time position centers on building and maintaining the platforms that enable genomic analysis and data processing. The work directly contributes to making genomic data more accessible and valuable for healthcare. Key responsibilities Develop and maintain platforms that handle genomic data analysis. Collaborate with cross-functional teams to design effective solutions. Ensure data processing systems are reliable and efficient to support ongoing research. Role focus This role supports research and healthcare initiatives by providing stable and scalable technology for genomic data. Platform Engineers at Genomics England play a part in advancing how genomic information is used in medical settings.

Join Spotify as a Senior Fullstack Engineer on our Commerce Platform team, where you'll play a critical role in shaping the future of our commerce solutions. You will collaborate with cross-functional teams to design, develop, and implement robust features that enhance user experience for millions. Your expertise will drive innovation and help us maintain our position as a leader in the music streaming industry.

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.