251 to 275 of 310 API Design Jobs in London

engineers to build on. You'll join our Mobile Platform team, which owns the shared capabilities that underpin the app, including architecture, shared modules, design system, observability, developer tooling and CI/CD.The team's role is not to own all technical decisions. It is to help shape … Mobile Engineer and Head of Mobile Engineering to deliver Zopa's mobile strategy. Help shape the technical direction and standards for iOS across Zopa. Design and evolve shared modules, APIs, architecture and developer tooling that enable multiple teams to build and ship with confidence. Identify technical risks early, using ...

work on full-stack challenges across platforms and devices. The Platforms and Devices team builds computing software platforms and first-party devices; we design and develop technologies to make user interactions faster and more seamless worldwide. #J-18808-Ljbffr ...

automation that support our large-scale GPU and bare-metal infrastructure for AI/ML workloads. This role requires strong Python and Linux expertise, API design, and automation for provisioning, monitoring, and lifecycle management. You will collaborate across Networking, Data Center Operations, and Platform Engineering to scale ...

lead technical delivery in a hybrid setup with Central London participation. You will stay hands-on in core backend work while guiding teams across API design, integrations, and event-driven systems, using C#/.NET, Python and Azure. You’ll influence architectural direction, collaborate with stakeholders, and help ...

problems end to end. You will bring strong JavaScript/TypeScript experience across frontend and backend development, alongside a clear understanding of API design and relational databases. You have mentored engineers and may already have line management experience, conducting development and performance conversations with maturity and clarity. ...

sensor data and hardware-accelerated pipelines, with the ability to optimise constrained compute and memory systems without losing correctness or debuggability. Strong software architecture, API design, testing, debugging and performance-profiling skills, with evidence of end-to-end ownership and effective cross-functional collaboration. Desirable Experience in visual ...

Solirius Reply is seeking an experienced Node Developer to join our team in delivering robust back‐end services. You will design, implement, and maintain server‐side applications and APIs, while collaborating with front‐end teams to ensure seamless user experiences. The role emphasizes strong JavaScript/Node.js skills, API … design, and cloud familiarity, with opportunities to work across modern stacks and devops practices. #J-18808-Ljbffr ...

from discovery through to production Move quickly from concept to working prototype, using AI‐assisted tooling to test ideas rather than only writing specification Design and govern AI agents within your product surface, defining what they can and cannot do, and holding the quality bar for their outputs. Build … systems that surface customer and market insight on demand, synthesising support data, user behaviour and market signals. Make system‐level product judgements — API design, data models and integration patterns — not just feature decisions. Connect product decisions to measurable business and customer impact, and stay close to what ...

services powering real-time B2B APIs on AWS. You will own features end-to-end, collaborate with senior engineers, and contribute to production-ready design with a strong product mindset. The role offers mentoring from CTO and growth opportunities, with a hybrid work schedule in London and a focus … scalable API design, reliability, and cloud-native delivery. #J-18808-Ljbffr ...

Yapily is seeking an experienced Technical Software Engineering Lead to drive design, development and delivery of core microservices. You will blend hands-on coding with architectural oversight and people leadership to enable an AI-enabled engineering culture and faster developer velocity. You will own architectural decisions, shape API … design, ensure system health and collaborate with Product on capacity planning and strategy while mentoring ICs and guiding teams through complex engineering #J-18808-Ljbffr ...

heavily backend-biased position but given the size of the team you will be working across the stack when needed Build scalable, performant systems Design and deliver end-to-end features with direct impact on customer value Work with product and ML teams to help translate abstract and complex … software function About you: Strong ability across scalable and performant systems You have a product mindset Statically typed language expertise Experience with API design Low ego and love of engineering Full details are available. Please don't hesitate to reach out for more information. ...

will have ownership and autonomy from Day One. There is no corporate ladder at Arondite. From your first day, you will directly influence the design, functionality, and direction of Arondite’s product offering. We hire the best people and give them extremely high levels of autonomy … synthesising their feedback Building a clear, explainable process for prioritising work in the face of B2G uncertainty Communicating to and working with Engineering and Design to build powerful, simple features that can be customised to deliver value to a wide set of users Championing a culture of technical excellence ...

engineer to build and evolve the SDK that ships inside our customers' games. The role is SDK work, not app work, with ownership from API design to live support. Based in-office (hybrid model) in London or Ljubljana, Slovenia. You will own the public API surface across ...

Networking Engineering Team. You will work on the Neo4j network server modules, drivers, and binary protocol Bolt, shaping connectivity with Neo4j and drivers. Expect design leadership, implementation work, and chances to engage with the community. The role emphasizes 5+ years in Java, network development, and API design ...

Labs Ltd is seeking a foundational engineer to help build and scale ROO's platform. This role involves full-stack development, including feature shipping, API design, and integration of blockchain technology. Candidates should have over 4 years of experience with TypeScript, React/Next.js, and Node.js ...

programming experience. Technology/programming skills in Rust, C++, Java, KDB, Python, and SQL. Experience with messaging and data serialization technologies, market data processing, API design, latency optimization, code testing, build and deployment tools. Experience taking ownership of existing technologies, building new ones, and performing technology migrations. Working ...

requirements through delivery, collaborating with product management, backend teams, platform teams, and brand teams to create configurable components and platform capabilities. The role emphasizes API design, traffic management, and a high-quality delivery lifecycle across Expedia Group web, iOS, Android, and B2B experiences. #J-18808-Ljbffr ...

Encord, the universal data layer for AI, is hiring a Product Engineer to own features end-to-end—from API design and backend systems to the UI used by annotation teams, ML engineers, and compliance officers. You'll deliver scalable backend services and polished front-ends, collaborating with … customers and design to ship high-impact features rapidly while maintaining strong CI/CD and testing practices. #J-18808-Ljbffr ...

Augur Communications Ltd is seeking a Backend Engineer to design and build the distributed systems, storage infrastructure, and platform primitives that underpin Augur's sensor integration product. You will work across the full backend surface—from stream processing and storage to API design and data pipelines—using ...

Software Engineer to safeguard and enhance the reliability and usability of our Identity and Access Management (IAM) and platform front-end systems. You will design robust, scalable code, build seamless user experiences, and ensure secure access controls while collaborating with cross-functional teams. Ideal candidates have strong JavaScript/… TypeScript, React and Node.js experience, plus API design, NoSQL (Mongo), and OAuth-like flows. #J-18808-Ljbffr ...

Automate is building healthcare automation software in London. We are seeking a Software Engineer to design, develop and maintain web applications powering our platform used by GP practices daily. You will work across the full development lifecycle with Product, Engineering and Clinical teams, delivering reliable, scalable features. Strong focus … Next.js, React, TypeScript and API design in a collaborative, scale-up environment. #J-18808-Ljbffr ...

leader who delivers measurable results for sophisticated AI products under ambiguous conditions in a fast‐paced environment someone who is as comfortable discussing an API spec or an auth flow with an engineering team as they are presenting an AI strategy to senior management. You will thrive in collaborative … engineering workflows. Genuinely technical and a proven builder. Comfortable as a hands‐on partner with engineering and data science teams, able to reason through API design, system architecture, and technical trade‐offs, with credibility to lead build‐versus‐partner‐versus‐defer decisions. Proven experience identifying, validating, and prioritising ...

leader who delivers measurable results for sophisticated AI products under ambiguous conditions in a fast-paced environment someone who is as comfortable discussing an API spec or an auth flow with an engineering team as they are presenting an AI strategy to senior management. You will thrives in collaborative … engineering workflows. Genuinely technical and a proven builder. Comfortable as a hands-on partner with engineering and data science teams, able to reason through API design, system architecture, and technical trade-offs, with credibility to lead build-versus-partner-versus-defer decisions. Proven experience identifying, validating, and prioritising ...

engineering leadership to influence technical architecture decisions, ensuring solutions are scalable, maintainable, and aligned with platform direction. · Ensure delivery quality through close collaboration with design, engineering, and QA - holding a high bar for what ships. Launch & Growth · Own the end-to-end launch of significant features and capabilities, partnering … card scheme rules (Visa, Mastercard), authorisation and settlement flows, interchange, and regulatory frameworks. · Strong technical fluency - ability to engage with engineering teams on architecture, API design, and system integration decisions. · Demonstrated experience mentoring or coaching other product managers. · Excellent stakeholder management skills with experience influencing senior leaders ...

Full-Stack to join the Search Results and Recs experience team. You will build React-based user interfaces and backend capabilities, contribute to API design, and own features from requirements through delivery with cross-functional teams. The role emphasizes server-driven UI rollout, migration from legacy systems ...