426 to 450 of 453 API Design Jobs

SDK Engineer

Location
Greater London, England, United Kingdom
binary size, startup cost, thread safety, and backward compatibility are the job, not afterthoughts. You will own what you build end to end, from API design through release and live integration support. Based in-office (hybrid model) in London or Ljubljana, Slovenia. You Will Build and maintain … mobile SDK on Android (Kotlin) or iOS (Swift) Own the public API surface: minimal, stable across versions, and hard to misuse Keep the SDK lightweight and resilient, with no crashes in host apps and graceful degradation when the backend is unreachable Own releases, versioning, and distribution (Maven Central, SwiftPM ...

Technical Product Manager

Location
City Of London, England, United Kingdom
investigates that data, and the APIs and integrations connecting it with customers’ existing systems. This is a hands-on role for someone comfortable reading API documentation, mapping data flows and working through technical trade-offs with engineers. You’ll take problems from early discovery through to delivery and adoption … functional requirements, including security, compliance and scalability. Own the direction of customer-facing APIs and emerging agent-based capabilities. Contribute to decisions around API design, versioning, backwards compatibility and developer experience. Create clear documentation and examples for technical customers and partners. Lead discovery using customer conversations, product data ...

Lead Backend Engineer

Location
Metropolitan Borough of Solihull, England, United Kingdom
Product team to deliver highly efficient systems. You would also: Collaborate with product managers, architects, and other stakeholders to define technical requirements and design, develop, and maintain backend systems that power our access control and security solutions. Evaluate , develop, and implement AI-powered tools and solutions to enhance products … services. Stay current with emerging AI technologies and provide technical leadership on the adoption of AI best practices across the team and participate in API design discussions and contribute to the evolution of our platform. Lead and assist a team of backend engineers, fostering a collaborative, high-performing ...

React Native Engineer

Location
Greater London, England, United Kingdom
with customer requirements and business objectives. Daily Tasks To contribute to Agile Scrum, and ensure deadlines and production quality. To spearhead creative solutions for API and backend related challenges. To manage platform infrastructure for scalability, high availability, and security. To ensure product scalability, high availability, and top-notch code … alerting to maintain high availability. To build, operate, and secure the APIs, backend, and even cloud infrastructure. To incorporate security best practices into the API design and implementation. To evaluate product code against specifications and gathering requirements. To address problems and document all reported issues and actions taken. ...

Senior PHP/Laravel Engineer – Platform Modernisation (Remote)

Location
United Kingdom
practice management. You will remain deeply involved in building software while guiding technical direction. Ideal candidates have senior technical experience, strong PHP (Laravel) skills, API design capability, and a #J-18808-Ljbffr ...

Principal Android Engineer - Search & AI-Driven Discovery

Location
Greater London, England, United Kingdom
architectural direction, mentor engineers, and drive AI-enabled capabilities across the mobile platform. The role requires deep Kotlin expertise, Jetpack Compose mastery, and strong API design, with a focus on scalable, high-performance apps that delight travelers and partners alike. #J-18808-Ljbffr ...

Senior Mobile SDK Engineer — Stable APIs, Live Support

Location
Greater London, England, United Kingdom
product, so binary size, startup cost, thread safety, and backward compatibility are the job. You will own what you build end to end, from API design through release and live integration support. Based in-office (hybrid) in London or Ljubljana, Slovenia, you will work on Android (Kotlin ...

Senior Engineer

Location
Greater London, England, United Kingdom
data platform. Define and drive the architecture and strategy to support the future needs of Operations and the business. Provide technical leadership through architecture, design, code reviews, and pull request reviews, championing high standards of code quality and engineering excellence. Mentor engineers and drive continuous improvement in platform capabilities … building and supporting reactive, event-sourced systems. Hands-on experience with Apache Spark and Apache Flink. Strong understanding of Apache HTTP, Envoy, and REST API design. Experience working with Protobuf, Avro, and Parquet data formats. Knowledge of Iceberg, Databricks, and Hadoop ecosystems. Skills that will help Follows TDD, ATDD ...

Technical Product Manager: AI Data, APIs & Integrations

Location
City Of London, England, United Kingdom
seeking a technically minded Product Manager to own the data sources, APIs and integrations at the heart of our platform. You will read API documentation, map data flows and work through technical trade-offs with engineers, translating detail into a roadmap that engages both engineering and commercial stakeholders. … lead discovery through to delivery, shaping API design and data ingestion for a range of customer use cases. #J-18808-Ljbffr ...

Senior AI Product Engineer

Location
Greater London, England, United Kingdom
Engineer on the AI team, you\'ll own significant parts of the Agentic stack that power Elliptic\'s copilot. You\'ll lead the design of agentic workflows, drive technical decisions on how we build and operate LLM-based features, and help raise the engineering standard across the team. … take complex problems from ambiguity to shipped product, and you\'ll mentor more junior engineers as the team grows. What you will do: Design and build agentic workflows and AI-powered features that power Elliptic\'s copilot, using LLM frameworks such as LangChain or LangGraph. Lead the design ...

ML Research Engineer: From Research to Production

Location
Greater London, England, United Kingdom
London to advance machine learning platforms and research workflows. You’ll bridge research and engineering, building scalable training and inference infrastructure, and contributing to API design and system improvements. The role emphasizes solid mathematical foundations, experimentation with neural networks and ensembles, and staying current with the ML literature. ...

Global Marketplaces Product Lead – Payments & Wallets

Location
Greater London, England, United Kingdom
Marketplaces product team builds financial infrastructure for marketplace platforms to move money across currencies and countries. The role focuses on direct marketplace engagement, API design, and enabling global expansion with robust fund flow primitives. Ideal candidates bring 5+ years in product management in payments/fintech, strong ...

Lead Solutions Engineer — Apps & Gaming (Advertising Tech)

Location
Greater London, England, United Kingdom
turn business needs into robust technical outcomes. The role requires a hands-on leader with a track record in software delivery, ML infrastructure, and API design, capable of guiding cross-functional groups and communicating complex concepts clearly across audiences. #J-18808-Ljbffr ...

Director, Artificial Intelligence & Machine Learning Engineer

Hiring Organisation
Hackajob Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
efforts to make an impact at BlackRock. In this role, you can expect to: Provide technical leadership, set architectural direction, and drive key design decisions across multidisciplinary teams. Design, build, andoperateproductionAI/ML systems across areas such as generative AI, intelligent agents, predictive modeling, and optimization. Develop reusable …/ML applications. Experience with containerization and orchestration technologies, such as Docker and Kubernetes. Demonstrated ability to lead complex technical solutions from architecture and design through production deployment, operation, and continuous improvement. Strong problem-solving, collaboration, and communication skills, with the ability to influence technical decisions across multidisciplinary teams. ...

Vice President, Artificial Intelligence & Machine Learning Engineer

Hiring Organisation
Hackajob Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
efforts to make an impact at BlackRock. In this role, you can expect to: Provide technical leadership, set architectural direction, and drive key design decisions across multidisciplinary teams. Design, build, and operate production AI/ML systems across areas such as generative AI, intelligent agents, predictive modeling …/ML applications. Experience with containerization and orchestration technologies, such as Docker and Kubernetes. Demonstrated ability to lead complex technical solutions from architecture and design through production deployment, operation, and continuous improvement. Strong problem-solving, collaboration, and communication skills, with the ability to influence technical decisions across multidisciplinary teams. ...

Director, Artificial Intelligence & Machine Learning Engineer

Location
City of Edinburgh, Scotland, United Kingdom
efforts to make an impact at BlackRock. In this role, you can expect to: Provide technical leadership, set architectural direction, and drive key design decisions across multidisciplinary teams. Design, build, and operate production AI/ML systems across areas such as generative AI, intelligent agents, predictive modeling …/ML applications. Experience with containerization and orchestration technologies, such as Docker and Kubernetes. Demonstrated ability to lead complex technical solutions from architecture and design through production deployment, operation, and continuous improvement. Strong problem-solving, collaboration, and communication skills, with the ability to influence technical decisions across multidisciplinary teams. ...

Frontend Lead

Location
England, United Kingdom
integrates seamlessly with our Backend-for-Frontend (BFF) layer, powered by Spring Boot microservices , and deployed on Google Cloud Platform (GCP) . Key Responsibilities: Design and build a high-performance frontend framework using React.js and Micro Frontend (MFE) architecture . Implement SSR/CSR hybrid strategies to optimize rendering … enhance frontend-backend interactions. Improve frontend performance using lazy loading, predictive prefetching, tree shaking, and edge caching. Collaborate with backend engineers to optimize API designs and system efficiency. Define best practices for state management using Redux and Redux-Saga/Thunk for handling complex application flows. Optimize frontend applications ...

Software Engineer - Orchestration AI & Robotics Oxford, England, United Kingdom

Location
Oxford, England, United Kingdom
write control real hardware doing real biology, so correctness, recoverability, and observability matter more here than they do in most software work. Key Responsibilities Design and build the software that orchestrates autonomous laboratory systems, including scheduling, workflow execution, state management, error handling, and recovery. Develop the agentic layer … with attention to clear interfaces, testability, and the ability to simulate hardware so that logic can be developed and tested without occupying the lab. Design data models and pipelines for experimental data, sample tracking, and provenance, so that results are traceable from raw instrument output back to the protocol ...

Senior Technical Product Manager – Financial Data Distribution

Location
Greater London, England, United Kingdom
data distribution by working across third party platform distributors and directly with client distribution platforms. Product Discovery & Requirements Definition Lead structured product discovery and design sessions with clients, business, technology, operations. Translate business and client needs into clear product requirements, technical specifications, and prioritised backlog items. Own product documentation … distribution architectures, including APIs, event/batch delivery, entitlement models, and access controls. Demonstrated ability to work effectively with senior engineers and architects on design and tradeoff decisions. Experience defining API/FTP/Web distribution requirements. Preferred: Knowledge of the index business preferred. Experience with agentic solution ...

Senior Backend Engineer (Product Platforms)

Location
Uddingston, Scotland, United Kingdom
helping to raise technical standards across the wider engineering function. Attitude: Ownership mentality Builder mindset Technical curiosity Calm under pressure Continuous improvement Key Responsibilities: Design, develop and maintain scalable backend services and APIs. Own critical production systems and ensure reliability, performance and maintainability. Take ownership of existing platforms … commercial environment. Strong TypeScript or Python development experience. Experience building and operating production systems at scale. Strong understanding of distributed systems and API design. Experience working with relational databases and performance optimisation. Experience working within cloud environments, ideally Google Cloud Platform. Strong debugging and problem‐solving capabilities. Experience supporting ...

Member of Technical Staff - Applications

Location
Greater London, England, United Kingdom
usable interfaces. Feed delivery learnings back into platform patterns and defaults so the next system ships faster. What You\'ll Work With Full-Stack & API Development: React, TypeScript, REST, gRPC, FastAPI, Go services, API design. Auth & Governance: OIDC authentication, RBAC, audit logging. Workflows & Integrations: Event-driven systems, workflow … About You Strong full-stack engineering background with experience shipping production-grade applications end-to-end. Comfortable owning the full delivery surface — UI through API through auth — without needing to hand off between layers. Experience integrating with external systems or customer environments and making those integrations reliable and maintainable. ...

Staff Technical Lead Manager

Location
Greater London, England, United Kingdom
most difficult code across multiple system components, driving high coding standards and improving development practices. Demonstrated experience driving complex designs, high‐quality interface/API designs, and overall architecture improvements across multiple teams and services, leading design reviews and ensuring consistent architecture. Track record of driving product/… service design and vision inside engineering, using global industry and market trends to deliver successful products and fulfilling unexpressed client wants. Experience mentoring more junior engineers, providing technical guidance, and contributing to talent identification at Staff Level & above. Strong communicator. Sharing information regularly and concisely. Good to Have Knowledge ...

Red Team Engineer

Location
City Of London, England, United Kingdom
growing need to track new threats, develop new defences and deploy in a timely and efficient manner. How you can make an impact Design and execute Red Team Operations against iProov’s biometric platform, web apps, APIs, identity flows Strengthen the company’s security posture through offensive security assessments … reduction. Bring insight into all aspects of modern security issues to our products and rapidly developing prototypes for mitigations. Mentor engineers in secure-by-design patterns, client-side security, and secure API design. Work hand-in-hand with developers to propose pragmatic mitigations, remediation plans, and detection logic ...

Genesis-World: Core Simulation Engine Engineer

Location
Greater London, England, United Kingdom
cryptic error, a manual step: you see it, you go after the root cause, and you remove it for everyone. You have opinions about API design. You are comfortable with physics and robotics: the right design choices take a working picture of what a simulator like Genesis-World ...

ML Compiler & System Engineering & Research London

Location
Greater London, England, United Kingdom
Engineers write plain Python in a NumPy or PyTorch style, and Quadrants makes it fast. The role You own Quadrants end to end: the API, the IR and lowering, the optimization passes, the numerical primitives, and the roadmap. Our ultimate objective: engineers write for readability and maintainability, never … limit what the system supports to go fast (static shapes and fixed‐size allocation baked into kernels, say), but never the convenience of the API itself. Experts who want maximum performance and full control over the generated code get lower‐level escape hatches, down to inline assembly ...