201 to 225 of 258 API Design Jobs in London

Neo4j is building a new Product Analytics Platform to unify analytics across Aura. You’ll design and operate the Analytics API and the data-integration layer that supports multiple product teams. As a founding member, you’ll shape technical foundations, drive adoption, and collaborate with Product Management … engineering to evolve the platform as Aura scales. Strong Go backend experience and API design will be essential as you drive reliable, scalable ingestion with Segment/BigQuery knowledge. #J-18808-Ljbffr ...

Expedia Group in London seeks a Senior Engineering Manager to lead the Hotels.com Technology team. You will guide design and delivery across high-traffic services, own API design and data models, and mentor engineers in a fast-moving, high-quality environment. You will stay technically hands … contribute to code reviews, and champion safe AI/ML adoption while partnering with product, design, data, and platform teams to drive value for travelers and partners. #J-18808-Ljbffr ...

five days a week. You will define standards, mentor developers, and drive cloud-native modernization initiatives across Java and Node.js services. You'll own API design, security-first practices, and the CI/CD pipeline, with hands-on work on Azure services, containerisation, and logging. This ...

Inside IR35 12 month contract ASAP start date Hybrid - as and when required in London (infrequent travel) Skillset: Background in Software Architecture API design (REST is preferable). ++ Designing for use with User Interfaces would be a plus. Event-driven architecture patterns Familiarity with AWS and Kubernetes ...

modern app architectures like Unidirectional Data Flow, Dependency Injection, Structured Concurrency with Kotlin Coroutines, amongst others Desire to write testable code Understanding of REST API design Strong product mindset and passion for user experience, with a focus on prioritising work that addresses user needs and making data-driven ...

logic, and security, and establishing quality gates and safety nets for team workflows. Experience leading platform products, with a strong instinct for self-service, API design, developer experience, adoption and avoiding unnecessary complexity. Clear communication and stakeholder leadership, with the ability to align teams with different incentives, make ...

enabled capabilities. Ideal candidates have strong C#/.NET or Python skills, experience with React/Angular, and a solid background in secure, scalable API design. This role emphasizes collaboration with product stakeholders and cross-team delivery. #J-18808-Ljbffr ...

integrations, data flows, and onchain settlement Translate product, regulatory, and operational requirements into a clear engineering roadmap, well‐scoped projects, and sound technical decisions Design and build resilient services for on‐ramp and off‐ramp transaction lifecycles, including payment initiation, status tracking, settlement, exception handling, and customer notifications Lead … goals Strong backend programming skills. Production experience with Rust is highly desirable; deep experience with Go, Java, C++ can substitute Strong knowledge of API design, PostgreSQL or another relational database, messaging systems, and service‐to‐service integration patterns Experience in regulated fintech, payments, banking, digital assets, or another ...

systems behind them have to evolve with it, and you'll help decide how. What You'll Do Build and Evolve Core Services: Design, build and operate the backend services and APIs behind our data catalog, lineage and publishing systems, and evolve them as the platform adopts new storage … users. Who You Are You have solid experience building and running backend services and APIs in production with Java, and you care about API design, versioning and backward compatibility. You're comfortable with SQL and have worked with data pipelines or a cloud data warehouse such as BigQuery ...

core business systems. This is a hands-on development role working closely with other Developers, Business Analysts, Testers and Product Owners to design, build and support high-quality, maintainable software. In particular: Designing and developing robust Modern .Net (C#) and Angular solutions that support critical business processes Building well … knowing how to manage those risks. SKILLS REQUIRED You will be comfortable working in a collaborative development team, understanding business requirements, contributing to technical design decisions and delivering well-structured code that is reliable, maintainable and easy to support. You will be able to demonstrate: Strong commercial experience with ...

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 ...

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 ...