376 to 400 of 455 API Design Jobs

with substantial hands-on responsibility rather than purely architectural oversight. Strong backend and database skills . Production experience with TypeScript/JavaScript and Node.js , API design, asynchronous programming, SQL and relational data modelling. Evidence of performance improvement. Practical experience profiling applications, diagnosing bottlenecks and reducing ...

across our fleet, contributing directly to the success of building utility‐scale quantum computers. Own a group of device controllers end to end, covering API design, implementation, rollout and ongoing operational health Make services robust against the ways real instruments fail and strengthen observability, health checking and alerting ...

scalable Python-based services and APIs that power millions of users across global markets. You’ll work with Python and Django/FastAPI to design robust server-side applications and high-performance APIs, collaborating with data scientists and infrastructure teams. The role focuses on distributed systems, data processing … API design, with opportunities to work on challenging problems and modern frameworks in a #J-18808-Ljbffr ...

FAANG or well-known VC-backed startups (Series A+) are desired. You will own projects end-to-end—from scoping customer requirements through system design to production rollout—while shaping API design and scalable backend systems in a hands-on role. #J-18808-Ljbffr ...

experiences that feel inevitable. We ship constantly, make decisions with imperfect data, and act like owners. We think deeply about how people work together, design systems that scale, and remove friction before it’s felt – orchestrating every step toward value in lockstep with Design, Engineering … people work. What you’ll do Own core parts of the Attio product and contribute to overall product steering. Work with engineering to design systems that are simple to use but flexible and durable. Deeply understand the technical and user-facing implications of models, pipelines, and performance, making thoughtful ...

Situations Vacant Ltd in Greater London is seeking a Java Specialist to join our Oracle CX Cloud Practice, focusing on design, development and implementation of Java/J2EE solutions integrated with Oracle CX Cloud applications. You will work in a wider team to deliver elegant, scalable enterprise applications, mentor … peers, and contribute to architecture, API design and data modelling. A competitive salary and growth opportunities are offered on cutting-edge projects. #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 ...

contact the recruiter directly. Your role We are seeking an experienced Process Orchestration Architect with deep expertise in Camunda and Pega to lead the design and implementation of enterprise-scale process orchestration solutions. The ideal candidate will be responsible for architecting intelligent, intent-driven workflows, enabling automation across business … domains, and driving the adoption of modern orchestration frameworks aligned with TM Forum standards. This role requires a blend of solution architecture, process optimization, API design, technical leadership, and Agile delivery experience. Your profile 10+ years of experience in enterprise solution architecture, process automation, or workflow orchestration. 5+ ...

Stack Location: Belfast The Role We are seeking a Senior Full Stack Software Engineer (Java) to join TRG Screen’s engineering team. You will design, develop, and evolve backend services and frontend applications across our enterprise product suite — a hands‐on role that blends new feature development with improving … driven engineering organisation; this role is expected to use AI tooling by default across the full development lifecycle. Responsibilities Development & Delivery Design, develop, and maintain backend systems and frontend applications, including modernisation of complex, established codebases. Participate in the full SDLC — requirements analysis, design, implementation, testing, deployment ...

real time isn't a nice-to-have. It's mission-critical infrastructure. That's what we build. How We Work: AI-First by Design Harmonic exists to help enterprises adopt AI safely and at scale. We hold ourselves to that same standard. Everyone here actively leverages AI tools … determine where the benefits can be felt the most. Holding technical conversations with engineers, both ours and those at partners and customers, covering API design, authentication, and common integration patterns to understand how systems fit together and how they might break. Spending real time with existing customers ...

governance at scale, and self-serve discovery so teams find and reuse trusted data rather than rebuilding it. You'll bring data engineering, API and platform engineering, data science, analytics, and data-producing teams together, and use evidence (usage analytics, cost data, and user research) to prioritise the work … clear product strategy across the platform's pillars (ingestion and transformation, trust and governance, self-serve marketplace, and AI enablement ) spanning both the API and analytical layers, and keeping it aligned with OVO's business goals and grounded in what data producers and consumers actually need. Measure and prove ...

governance at scale, and self-serve discovery so teams find and reuse trusted data rather than rebuilding it. You'll bring data engineering, API and platform engineering, data science, analytics, and data-producing teams together, and use evidence (usage analytics, cost data, and user research) to prioritise the work … clear product strategy across the platform's pillars (ingestion and transformation, trust and governance, self-serve marketplace, and AI enablement ) spanning both the API and analytical layers, and keeping it aligned with OVO's business goals and grounded in what data producers and consumers actually need. Measure and prove ...

month contract, with high extension potential. The role is remote across Europe, 100% remote, working on backend services and AI-powered features. You will design, build and iterate features end to end using Node.js (NestJS/Express/Fastify), with emphasis on API design and scalable architectures. ...

point to what that team shipped and how the people on it grew. You are technically credible with experienced engineers. You can review a design, understand the trade‐offs in distributed systems or payment platforms, and recognize when a technical problem needs deeper investigation. You are comfortable managing … decisions to both engineers and non‐engineers. Examples of Desirable Skills, Knowledge, and Experience Strong technical grounding in distributed systems, low‐latency transaction processing, API design, web security, or adjacent areas. Experience building or operating products involving traditional payment rails, digital wallets, or open authorization/authentication standards ...

seeking a Senior Laravel Developer to build bespoke B2B platforms for UK and international clients. You will own features end-to-end—from technical design through deployment—within agile squads that demo weekly. Requirements include 5+ years PHP/Laravel experience, strong MySQL and API design skills ...

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 ...

settlement infrastructure, merchant-facing experiences, and developer-first toolkits, you will own the end-to-end product lifecycle—from long-term strategy and architectural design to global roadmap execution. In this role, you will bridge our online payments-for-platforms suite (enabling marketplaces and SaaS platforms to collect, route … present ecosystems (POS/SoftPOS, EMV/NFC standards, terminal management). Proven ability to engage deeply with engineering on complex architectural discussions covering API design, distributed ledgers, high‐throughput transaction processing, and hardware/software interfaces. Exceptional analytical rigor with a track record of structuring complex ecosystem ...

Significant impact on a function and/or the business through making decisions that determine technical approaches and strategies for the area. Position Objective: Design, build and extend backtesting infrastructure that drive production code paths with historical data. This is in the context of automated market-making models … preferably Rust although C++ and Java would be considered. KDB, Python, SQL Extensive experience in messaging and data serialization technologies, market data processing, API design, latency optimization, code testing, build and deployment tools Experience handling large volumes of disparate data sources, including integration and normalization Experience in taking ...

help build and deliver trusted market-risk technology platforms in a secure, scalable environment and oversee key engineering initiatives. You will lead Python and API design for risk workflows, collaborate with analysts and technology teams, and drive AI-assisted engineering practices with a focus on security, reliability ...

clean, scalable code that supports thousands of users. You’ll collaborate with product and education teams in a hybrid Farnborough setting, contribute to API design with GraphQL and REST, and help improve performance and test coverage. #J-18808-Ljbffr ...

experience with C++ or Rust, and collaboration across multiple teams, including Compliance and Operations. Ideally, you bring knowledge of fixed income systems, experience with API design, and familiarity with Kubernetes and CI/CD practices to help scale our technology platform #J-18808-Ljbffr ...

London is seeking a hands-on Tech Lead to shape the future of our customer contact technology. You will own architectural decisions, drive API design and mentor engineers to build secure, scalable cloud-native solutions using Node.js, React, TypeScript and AWS. Working with product managers, architects and engineering ...

ship into customer environments from day one. You’ll work with Python/JS/Java/Apex, tackle LLM prompts, data modeling, and API design while collaborating with sales and customer architects. Travel ~25% to partner with customers. #J-18808-Ljbffr ...

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 ...

implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)Experience building maintainable and testable code bases, including API design and unit testing techniquesExperience building Android applications in Java using Android SDKExperience with multithreading programming and mobile memory managementAbout Meta:Meta builds technologies that ...