17 of 17 API Design Jobs in Berkshire

MUST BE ELIGIBLE FOR BPSS MUST BE PAYE THROUGH UMBRELLA We are looking for a highly skilled Application Developer with strong expertise in identity API development, data ingestion and transformation, and event-driven (Pub/Sub) architectures. This role focuses on building secure, scalable identity and access workflows across … APIs, Pub/Sub pipelines, and cloud-native applications. You will collaborate closely with tech leads, Cloud Security, DevOps, and Application Engineering teams to design and implement robust IAM automation, identity lifecycle workflows, and secure service integrations that support enterprise-level cloud and Identity operations. Key Responsibilities 1. Identity ...

innovative AI concepts into enterprise-grade products trusted by enterprise customers. This is a hands-on engineering role, not a management position. You will design and build, set the technical bar for production quality, and provide the architectural judgement needed to take AI-driven products from promising prototype … designing for the incident nobody planned. This matters to us more than any specific framework. Distributed-systems fluency: service boundaries, transactional thinking, multi-tenant design, API design and versioning. Strong architectural communication - able to explain, document, and defend design decisions across teams, and to review others ...

Engineering Lead, and fellow engineers to look after the shared in‐house components consumed by other development squads — including auth, audit, developer portal, and API gateway. You’ll be joining us at a pivotal moment! We're transitioning to a product‐driven culture where your voice and expertise will … networking) Focuses on usability, adoption, reliability, and long‐term evolution As a Senior Software Engineer, you will combine technical depth, product thinking, and systems design to ensure these shared services are robust, scalable and developer‐friendly. Product & Ownership Design, build and evolve shared application services used across multiple ...

This Role We're hiring a senior full-stack engineer who owns real problems end-to-end and shapes how the team builds, from API design and frontend experience through to backend services, production reliability, and launch. You already use AI as part of how you think, build … test, and ship. You’ll write code that moves money in production, design and modernize the platform across the stack, and lead delivery of customer-facing features as Xe rebuilds its platform layer. You’ll work in a small engineering team with direct access to product, design ...

development, delivery and production operations whilst remaining hands-on, writing production code and tackling the most technically complex problems. You'll own system architecture, API design, technical decisions, design reviews and code quality and partner with Product Managers on roadmaps, delivery plans and priorities. Providing technical leadership … within a software engineering team You have strong backend development skills with C# .Net (would also consider other OO languages) You have strong system design experience, particularly distributed systems and microservices You have frontend experience with Vue.js, React or modern Angular You have a good knowledge ...

This Role We're hiring a senior back-end engineer who owns real problems end-to-end and shapes how the team builds, from API design and data modeling through to service implementation, production reliability, and launch. You already use AI as part of how you think, build … test, and ship. You'll write code that moves money in production, design and modernize the backend services the platform runs on, and lead delivery of new capability as Xe rebuilds its platform layer. You'll work in a small team with direct access to product, compliance, and operations ...

fast-moving, product-centric environments. Key requirements: Ruby & Ruby on Rails Full-Stack Engineering: JavaScript, TypeScript, React, Hotwire, Stimulus Node.js & React exposure beneficial API Design: REST, GraphQL, external integrations Data Stores: PostgreSQL, MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines … Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling Responsibilities: Owns end-to-end system architecture, ensuring solutions are scalable, maintainable, and delivered at pace. Partners closely with Product, Design, and Commercial teams ...

applications and platforms Mentor and review work of other engineers to promote best practices Create durable, reusable software frameworks and patterns leveraged across teams Design and govern agentic AI systems, including multi-agent workflows and human-in-the-loop controls Establish engineering standards for LLM-based applications, ensuring safety … decisions and engineering practices for scalable software Foster a culture of innovation and continuous improvement Required qualifications, capabilities, and skills Practical experience delivering system design, application development, testing, and operational stability at enterprise scale Experience designing and deploying production AI/ML systems, including LLM-based applications and agentic ...

Ideally with 2+ years with Go but open to similar programming experience) Solid grounding in Kubernetes, Docker, and CI/CD Comfortable with REST API design, SQL, and microservices architecture Experience with test automation, unit and end-to-end testing Cloud experience (any major provider), Git, and Agile ...

skilled Java Software Engineer with a growing interest and demonstrated exposure to AI/ML integration. This role is primarily Java-centric — you will design and build cloud-native microservices on our BPA (Beyond Policy Administration) platform — with the expectation that you actively apply AI tooling and patterns … prototype level. Role Details Location: London Experience: 4–7 years of overall software engineering experience Engagement Model: Full-time, Product Engineering Job Responsibilities Design and implement RESTful APIs and microservices using Java 17+ and Spring Boot 3.x. Build and maintain business logic within the BPA platform, ensuring correctness, performance ...

working on the underlying systems that make complex visualisations fast, accurate, and scalable. The challenges range from rendering performance and interaction design through to algorithms, graphics, API design, and numerical correctness. What you’ll be doing Designing and building core charting features used by developers around … exceptionally high technical standards High levels of ownership and autonomy Small team, significant impact Opportunity to deepen expertise in performance, graphics, visualisation, and systems design Package Salary up to £200,000 Hybrid working (London) Private healthcare Pension Additional benefits If you’re interested in building the technology behind modern ...

Service Operations, Data & Analytics, Security & Quality Compliance, Transformation, Application Development, and Enterprise Platforms. Key Responsibilities Job Overview Architecture and technical strategy Contribute to the design and architecture of core platform components and evaluation systems, making the load‐bearing technical decisions and bearing accountability for their reliability, scalability, and long … capabilities are built, evaluated, and deployed across the company, and define a coherent platform vision that scales beyond your immediate team. Design reusable abstractions, SDKs, and services for model integration, prompt management, experimentation, and deployment that establish organization‐wide patterns and reduce duplicated effort. Research and delivery excellence Help ...

Xe.com is seeking a senior full-stack engineer to own problems end-to-end from API design to backend services, with a focus on cross-border payments. You will design and ship customer-facing features, improve platform reliability, and mentor mid-level engineers in a smallteam structure. … will work with product, design, and compliance to shape the platform, use AI-assisted tools daily, and help modernize services across the stack. This role emphasizes ownership and technical leadership. #J-18808-Ljbffr ...

Gravity squad within the Product Experiences Domain, collaborating with product managers and engineers to deliver scalable, secure solutions for IoT management. You’ll tackle API design, data flows, and front-end interfaces while advancing CI/CD practices and monitoring. #J-18808-Ljbffr ...

Xe.com is hiring a senior backend engineer in Bracknell to own problems end-to-end, from API design and data modeling through to service implementation, production reliability, and launch. You will use AI tools daily and help move money across platforms. You'll design and modernize backend ...

guide a squad through architecture, development, delivery and production operations while coding hands-on to tackle complex problems. You’ll own system architecture and API design, shape technical decisions, and partner with Product Managers on roadmaps and priorities. This role blends leadership with hands-on development ...

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. ...