26 to 50 of 77 API Design Jobs in London

impact role delivering large-scale enterprise cloud transformation programmes using AWS. What the Role Involves: As an AWS Solution Architect (Integration Specialist) , you will: Design and deliver AWS cloud-native workloads using serverless, microservices, and containerised architectures Build scalable, resilient, and secure integration solutions across enterprise systems Develop … Salesforce, and Oracle What Youll Need: Hands-on experience as an AWS Solution Architect (Integration Specialist) with Lambda and Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes ...

impact role delivering large-scale enterprise cloud transformation programmes using AWS. What the Role Involves: As an AWS Solution Architect (Integration Specialist), you will: Design and deliver AWS cloud-native workloads using serverless, microservices, and containerised architectures Build scalable, resilient, and secure integration solutions across enterprise systems Develop … Oracle What You'll Need: Hands-on experience as an AWS Solution Architect (Integration Specialist) with Lambda and Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security ...

Term Contract (Initial 3 Months with possible extension) Role Summary We are seeking a hands-on Solution Architect (78 years experience) to lead solution design and architecture alignment for a multi-system Agentforce and Salesforce implementation within a large enterprise environment.. This is a highly collaborative, client-facing role … systems. Key Responsibilities Define and own end-to-end solution architecture across Salesforce, Data Cloud, and connected enterprise systems Analyze existing client architecture and design target-state architecture aligned to prioritized use cases Create architecture diagrams (logical, physical, integration flows) and document solution designs Design and govern API ...

Description: We are seeking a hands-on Solution Architect to lead solution design and architecture alignment for a multi-system Agentforce and Salesforce implementation within a large enterprise environment. This is a highly collaborative, client-facing role that requires working closely with multiple Client enterprise and domain architects, Salesforce … systems. Key Responsibilities Define and own end-to-end solution architecture across Salesforce, Data Cloud, and connected enterprise systems Analyze existing Client architecture and design the target-state architecture aligned to prioritized use cases Create architecture diagrams (logical, physical, integration flows) and document solution designs Design and govern ...

will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Working in a team of Front-End engineers Writing clear & concise code Working closely with Back-End engineers Participate … architecture design code reviews API design with the Back-End engineers and other team members to establish more functional, cohesive code Create, maintain documentation while implementing the best coding practices standards Hands-on approach Participation in sprint rituals What you’ll need 6+ years experience developing large ...

Define and own the end-to-end solution architecture across Salesforce, Data Cloud, and connected enterprise systems Analyze the existing BT architecture and design target-state architecture aligned to prioritized use cases Create architecture diagrams (logical, physical, integration flows) and document solution designs Design and govern API … standards Ensure scalability, performance, security, and maintainability of the solution Required Skills & Experience Core Experience 78 years of experience in solution architecture/system design roles Strong experience in enterprise system integration and API-led architecture Proven ability to work across complex, multi-team enterprise environments Experience aligning ...

from inception, including the implementation of health check endpoints, secure secrets management via Azure Key Vault, correct port configuration for container workloads, and stateless design principles compatible with Azure Container Apps (ACA). Technical Leadership & Mentorship Provide hands‐on technical mentorship to junior and mid‐level engineers by conducting … Collaborate closely with the Principal Architect to translate High‐Level Designs (HLDs) into clear, production‐ready implementation plans. Ensure the team understands architectural intent, design trade‐offs, and non‐functional constraints that must be adhered to. Quality Assurance & Testing Strategy Champion a comprehensive automated testing strategy, including unit, integration ...

Role: Senior Web Application Developer (Full-Stack) Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile Type: Contract, Daily Rate Duration: 3+ Months Location: London Pay Rate: £450 - £525 per day (Inside IR35 … ready environment. Role Requirements * Develop and maintain complex web solutions using ASP.NET MVC 5, C#, and React * Support migration activities, ensuring clean architecture, scalable design, and efficient implementation * Produce secure, maintainable, scalable, and fault-tolerant code following SOLID principles and OO design patterns * Contribute to front-end development ...

ability to read, review, and contribute to Dockerfiles and GitHub Actions workflows as a developer who understands the delivery pipeline their code passes through. API Mastery : Deep expertise in RESTful API design, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email delivery using SendGrid. Testing ...

Looking For: SeniorStaff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway … agent orchestration, context management, custom commands/skills and scaling AI-assisted delivery across a team. Expertise across Aurora RDS MySQL and DynamoDB; schema design, access patterns, indexing, query tuning, single-table vs multi-table trade-offs, and pragmatic thinking around consistency, scaling and cost. Proven experience designing event ...

code quality, and conduct structured code reviews across the delivery team. Work directly with the BA to translate business requirements into sound technical design and produce low-level design documentation. Make architecture decisions, present options clearly to non-technical stakeholders, and govern integration standards across the programme. Support … roles, with strong hands-on .NET/C# delivery. Demonstrable experience leading architecture decisions on production-grade systems, not just contributing to them. REST API design and integration experience at scale, including defining and governing integration standards. Microsoft SQL Server: schema design, query optimisation, and working knowledge ...

real customers and users across the world. What You’ll Do Own our engineering stack from MVP to scale — backend, frontend, infra . Design architecture, choose tools, and set engineering standards. Work directly with early users to iterate quickly. Collaborate with the founding team on strategy, hiring, and scaling … high-quality, user-focused features (that change Oceans and planet) fast. What We’re Looking For 5+ years of backend expertise in Go including API design, microservices architecture, gRPC/REST services, and database design (PostgreSQL, Redis). Frontend proficiency with React/Next.js, responsive design ...

could be the role for you! What You'll Have the Opportunity to Do: • Develop and execute AWS workloads using cutting-edge cloud patterns • Design expandable application solutions in sync with best practice for performance, resilience and cost • Set up and manage CI/CD pipelines and apply cloud … security principles • Work alongside different clients and multi-functional teams to deliver solutions • Produce premium design documentation • Build and tune system architectures to ensure reliable, scalable and maintainable solutions About The Candidate The right candidate for the role of AWS Architect will have/gain the following experience: • Appropriate ...

products, content and services millions of people love. And we do it all right here at Sky. As a Senior Developer , you will design, build, and scale an AI Operations platform supporting Sky and NBCUniversal. You will focus on alert ingestion, correlation, and intelligent automation using full-stack development … this role we offer the hybrid working approach with 2 days a week onsite in Osterley/Leeds office . What you'll do Design, build and maintain full-stack software solutions using Golang and Python, spanning services, APIs and automation components Contribute to the architecture and evolution ...

afraid to jump into unfamiliar territory Experience with cloud platforms, ideally Azure (Functions, Storage, SQL, identity) Highly proficient in Python Familiarity with Django Preferably API dev experience (eg FastAPI) Familiarity with C# (ideally both, but strong in one with willingness to learn the other works) Snowflake experience Experience with … care about how your code gets built, tested, deployed, and monitored, not just how it runs on your machine Good knowledge around data modelling, API design, and system boundaries Strong knowledge of financial data Familiarity with ESG, or sustainability reporting frameworks Clear communication — we're a small team ...

with an award-winning digital product studio known for building beautifully crafted, human-centred digital products for global clients. With a strong reputation across design, product and engineering, they deliver impactful work across the full product lifecycle — from early discovery through to large-scale builds. They’re now looking … Role This is a hands-on technical leadership position , combining full-stack development with ownership of technical direction across projects. You’ll: Lead the design, development and delivery of scalable digital products (frontend, backend & infrastructure) Drive technical direction , ensuring solutions are robust, secure and performant Stay close ...

GlobalLogic, a Hitachi Group Company and a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, complex engineering, and data expertise - we help our clients imagine what’s possible … working. Initially 6-9 months About the role: Experience with C#/.NET Additional languages highly desirable ie Java, Python React/TypeScript RESTful API design Apache Kafka PostgreSQL Git/GitHub workflows Experience with Kubernetes deployments; able to build CI/CD pipelines About you (ideally ...

with an award-winning digital product studio known for building beautifully crafted, human centred digital products for global clients. With a strong reputation across design, product and engineering, they deliver impactful work across the full product lifecycle — from early discovery through to large-scale builds. They’re now looking … Role This is a hands-on technical leadership position, combining full-stack development with ownership of technical direction across projects. You’ll: Lead the design, development and delivery of scalable digital products (frontend, backend & infrastructure) Drive technical direction, ensuring solutions are robust, secure and performant Stay close ...

build. The team is small, collaborative, and deliberately high calibre. Engineers are trusted to take ownership, contribute to product direction, and work closely with design and commercial teams to shape what gets built. What you will be doing Building end to end features across backend and frontend, from API … design through to UI Working closely with product and design to turn ideas into well thought through functionality Improving performance, usability, and reliability of a live product used by real customers Contributing to technical decisions as the platform evolves and scales Owning meaningful parts of the product rather ...

people actually love to use? We are representing a globally recognized digital product studio that sits at the sweet spot of high-end aesthetic design and hardcore engineering. They're looking for a Lead Full-stack Engineer to join the growing function. This isn't a "ticket-taking" role. … robust, scalable backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). Technical Leadership: ability to lead project end-to-end AI Tooling: Confident using AI-boosted environments to ensure quality (Claude ...

systems that are safer, smarter, and dramatically more environmentally responsible. Location: London or Porto The Role We’re seeking a Senior Software Engineer to design, build, and maintain backend containerised services that power our scalable edge‐compute platforms. You’ll work closely with a Software Team Lead and collaborate … leadership while remaining hands‐on with complex systems. What You’ll Do Build production‐grade software using .NET C#, Python , and modern backend technologies Design and prototype services using containerised microservices Apply and challenge engineering best practices to continuously improve quality Make sound technical decisions in high‐impact areas ...

agility with the backing of a well-established business. The Senior Back End Developer will... take ownership of backend engineering for a new API-first data intelligence platform. Role Highlights Design and build scalable backend systems from a true greenfield starting point Define architecture, balancing rapid delivery with … long-term scalability Develop API-first services for data-heavy, enterprise-grade applications Embed observability, metrics, and performance tracking from day one Collaborate within a small, high-autonomy team shaping a new product You Will Need Extensive backend development experience within data-driven B2B environments Strong programming skills ...

role, with strong backend expertise in Typescript and Node and front capability in React Proficiency in SQL, Redux, cloud services (AWS or GCP), RESTful API design and GraphQL Strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs Excellent communication and leadership skills; ability ...

create the world’s leading, commercially scalable, safe, and advanced humanoid robots that seamlessly integrate into daily life and amplify human capacity. Responsibilities Design and implement a centralized cloud-based platform for managing a fleet of humanoid robots, monitoring system health, and visualizing fleet-level KPIs Develop robust backend … Expertise Proficiency in one of Python, Javascript, Golang or Rust Familiarity with React (or similar frameworks) for creating user-friendly web applications. Expertise in API design, data modeling, and distributed architectures Proficiency with CI/CD pipelines, containerization (e.g., Docker, Kubernetes), and workflow automation. Proficiency in infrastructure ...

enterprise-grade emotional brand science into the hands of every marketer → MCP server integrations and agentic tool chains — exposing our Human Motivation Framework as API-accessible AI tools that plug into Claude, Adobe, and enterprise martech stacks → Client-facing interactive products — brand simulators, revenue growth models, and AI-powered … Qualifications Proficient in front-end development: HTML, CSS, and modern JavaScript frameworks (React preferred) Skilled in back-end development: server-side languages, database management, API design Proven full-stack delivery — end-to-end ownership from architecture to deployment Strong experience with Claude Code — show us what ...