Staff Fullstack Engineer - Onboard Experience

About Our TeamJoin the Local Developer Experience (DevEx) team at Deliveroo, part of the Foundations group, where we empower engineers to rapidly develop, test, and deploy high-quality services with confidence. We enhance and innovate the local developer experience across the Deliveroo group through a streamlined, DevContainers-based development platform, facilitating agentic workflows alongside integrated IDE tools. Our mission is to elevate engineering standards in Quality, Velocity, and Efficiency by creating scalable framework-level tooling and developer workflows.About the RoleAs a Staff Platform Engineer, you will be recognized as a subject matter expert in at least one key technical domain and will be responsible for implementing solutions that yield significant group-wide outcomes. You will lead the technical direction for your team, eliminate complex technical obstacles across multiple teams, and mentor fellow engineers. Reporting to senior managers, you will collaborate with leadership to drive broad impact.Your ResponsibilitiesTechnical LeadershipDefine and implement technical solutions for critical business challenges, gaining an understanding of the context surrounding major organizational decisions.Oversee the technical architecture for both local and remote development workflows, including DevContainers, IDE remote backends, and seamless integration points with our engineering ecosystem.Design and continually refine the paved-path developer journeys, focusing on time-to-first-change, onboarding processes (MSC distribution, Tailscale setup), IDE remote flows, and user experience for daily developer tasks. Measure and iterate based on developer metrics and feedback.Lead the integration strategy for remote execution (e.g., BuildBuddy), enhance development efficiency on the company monorepo (Pedregal), and establish caching/invalidation methods to ensure swift, predictable developer workflows.Additionally, manage project timelines and risks while maintaining a sustainable team pace.Collaboration & LeadershipFacilitate alignment among non-adjacent teams and disciplines (Product, Security, Core Infrastructure, and Product Engineering) to tackle unstructured challenges. This includes coaching team members at all levels and nurturing emerging leaders within the team.

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.

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.

At Fastly, we are dedicated to enhancing connectivity to the digital experiences that matter most to our users. Our cutting-edge edge cloud platform empowers our clients to rapidly and securely deliver exceptional digital solutions by processing, serving, and securing applications close to their end-users — right at the edge of the Internet. Built to leverage the modern internet, our platform is highly programmable and supports agile software development, serving a roster of prestigious clients such as GitHub, Yelp, Paramount, and JetBlue.Join us in our mission to create a more trustworthy Internet.Posting Open Date: 24 March, 2026Anticipated Posting Close Date*: 20 April, 2026*Job posting may close early due to the volume of applicants.Staff Software Engineer, Compute PlatformOur team is responsible for developing the Compute platform at Fastly — an advanced serverless solution built on open standards operating on our extensive global edge network. This platform meets the demands of modern application development, enabling customers to execute code in a secure environment with microsecond cold start times, at scale, right on the edge.We are seeking a talented Staff Software Engineer to join our dynamic team and help enhance our hosting infrastructure. This role will encompass essential networking and systems-level tasks, as well as cross-team collaboration and the design of high-quality APIs for our customers to leverage services developed by other teams. You will also have the opportunity to contribute to influential open-source projects (such as Wasmtime) that play a pivotal role in our Compute vision.What You'll Do:Facilitate seamless communication and coordination among team members and across various technical and product teams.Engage in code reviews to enhance the codebase and improve team processes.Lead projects from a technical standpoint, driving progress and keeping stakeholders informed on project status.Develop platform-level code in Rust that addresses host concerns such as back pressure, resource limits, and service interactions.Investigate and resolve performance and stability challenges to meet stringent scalability requirements.Take ownership of a large-scale production system characterized by exceptional performance and availability needs.

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.

About Swap Swap builds the infrastructure for modern agentic commerce. The platform connects backend operations with a new kind of storefront, using AI to help brands manage and grow their business globally. Swap’s platform brings together cross-border operations, tax management, returns, demand forecasting, and a storefront powered by agentic technology. Merchants get real-time data, transparency, and tools to act quickly and decisively. The company values clarity, creativity, and shared ownership as it rethinks how global commerce works. Role Overview: Staff Software Engineer in Test – QA Platform Lead Swap is hiring a Staff Software Engineer in Test to lead the development of its internal QA Platform. This role focuses on building the tools and infrastructure that help engineering teams ship reliable software, faster. The QA Platform Lead will design, build, and maintain the internal platform, including frameworks, automation pipelines, and AI-assisted workflows, that Swap engineers rely on every day. The impact of this work will be measured by how widely the platform is adopted, the developer experience, and the speed at which teams can deliver quality software. Collaboration is key. The role works closely with the current SDET, who created the existing end-to-end testing framework. Together, you’ll expand on this foundation and shape a broader platform vision. The QA Platform Lead will set strategy, manage the roadmap, and make decisions about priorities and architecture. Main Responsibilities QA Platform Strategy and Roadmap Define the vision, strategy, and roadmap for the QA Platform, setting priorities that maximize impact. Make architectural and tooling decisions that influence quality practices across Swap’s engineering teams. Track adoption, usage, and developer satisfaction to ensure the platform is used and valued, not just built. Develop Reusable Quality Tools and Infrastructure Design and implement reusable tools, frameworks, and self-service quality infrastructure to help engineering teams deliver with confidence and less friction. Location This role is based in London.

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 Beamery as a Staff EngineerAt Beamery, we are at the forefront of revolutionizing the HR technology landscape with our transformative AI platform. Our mission is to empower enterprise organizations to make equitable and informed talent decisions, streamlining their recruitment processes, enhancing internal mobility, fostering effective upskilling, and optimizing workforce planning. With our innovative solutions, we assist clients in hiring and redeploying over one million individuals each year.Why Join Us?This is an exciting time to be part of our team as we work towards enhancing our native integrations with industry giants like SAP, Workday, Microsoft, and LinkedIn. We're embedding our cutting-edge skills intelligence into critical workforce decision-making platforms and leveraging our advanced AI capabilities to enable smarter planning for the future. Additionally, our proprietary LLMs and knowledge graph technologies are designed to help organizations tap into diverse talent pools and promote fair decision-making at scale.We pride ourselves on our unique company culture founded on trust, empathy, and transparency, allowing our team members to bring their authentic selves to work.The RoleAs a Staff Engineer in our Sourcing and Recruiting team, you will play a pivotal role in enhancing Beamery’s core CRM experience. Collaborating closely with various business units, you will ensure a smooth sourcing and hiring workflow focused on achieving high-quality candidate matches and effective vacancy calibration.Our Technology Stack: TypeScript, React, Kubernetes, Istio, PostgreSQL, MongoDB, Redis.We seek a skilled Staff Engineer to technically lead a high-performing autonomous product team. You will align with the company’s strategic goals while guiding projects from discovery to production.In this role, you will provide technical mentorship to fellow engineers and actively contribute to elevating engineering standards across the business through collaboration with other Staff and Principal Engineers.

About OpenCoreOSInnovative Ledger Technology: At OpenCoreOS, we deliver a highly efficient ledger system built on Go, Rust, and multi-region distributed databases, empowering banks with a robust and open infrastructure to innovate.AI-Driven Solutions: We integrate AI seamlessly into our operations to enhance autonomous workflows, enabling intelligent and self-healing systems.Reliability and Openness: Our engineering principles prioritize five-nines reliability and unwavering consistency, designed for the scale of a Tier-1 bank processing millions of transactions daily, all while fostering innovation through open technologies.Expert Leadership: Our leadership team combines insights from former McKinsey experts and seasoned fintech founders, backed by the operational wisdom of ex-global bank CIOs, providing us with a profound understanding of the financial landscape.Your Responsibilities:Infrastructure Development: Design and scale multi-region Kubernetes infrastructures (EKS/GKE/AKS) to handle five-nines workloads effectively.System Architecture: Architect robust active-active distributed systems to ensure high availability.GitOps Implementation: Utilize Terraform, Helm, and GitOps (Flux) for cloud and hybrid environments.Resiliency Management: Take ownership of disaster recovery, failover, backup/restore processes, and multi-region resilience strategies.Security Leadership: Champion zero-trust security protocols, identity management, multi-tenant isolation, and cryptographic auditing.Observability Practices: Construct and maintain monitoring stacks using Prometheus, Grafana, Loki, and OpenTelemetry.AI-Driven Operations: Spearhead AI-driven automation initiatives, including auto-remediation and incident analysis.Deployment Support: Provide assistance for on-premises and air-gapped deployments, along with legacy integrations.

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.

Role overview Wise is looking for a Staff Software Engineer to join the Regional Payments Platform team in London. The team builds and enhances payment systems that reach millions of users worldwide. This position centers on developing technology that supports reliable and efficient payment experiences at scale. What you will do Collaborate with colleagues from various disciplines to design and implement scalable payment solutions. Offer technical leadership and insight on complex projects that affect users globally. Influence the architecture and future direction of Wise’s regional payments platform.

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.