51 to 75 of 120 API Design Jobs in England

Net/Azure Architect

Hiring Organisation
WeDoTech
Location
Remote work, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £90000/annum
will be exclusively Microsoft focussed and expand their offering to encompass the Azure ecosystem. Tech:- C#/.Net Expert Azure - Platform and Software Architecture Design Patterns - HLD and LLD Messaging/Queueing - Service Bus Data Ingestion - NoSQL/Postgres API Design and Development - RESTFul Cloud agnostic mindset ...

.NET Developer

Hiring Organisation
SYSTEM C HEALTHCARE LIMITED
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
Salary
£35,000
squad, youll translate user needs into well-designed, well-tested services and APIs, collaborating closely with Product, QA, DevOps and DBAs. What youll do Design, develop and unit-test new features; improve and support existing modules Build and version RESTful APIs using C#/.NET with strong dependency injection …/CD pipelines and test automation with Azure DevOps/TeamCity/Octopus What youll bring Commercial experience in C# .NET and SQL, with API design and versioning know-how Familiarity with REST, dependency injection, JSON and git-based workflows Exposure to Azure (App Services, Functions, Service ...

Go Developer API - Technologist

Hiring Organisation
Client Server
Location
Cambridge, England, United Kingdom
Developer/Backend Software Engineer (Golang API) Cambridge/WFH to £80k Are you a backend focussed technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house that's remote … access product is used by hundreds of millions of users worldwide. As a Go Developer you will design and develop new features and enhancements to the core remote access product as well as maintaining existing systems. You will be working with a modern microservices tech stack, using Go/ ...

SAP BTP Lead

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Youll collaborate with business and technical teams to drive innovation, modernize architectures, and maximize value from SAPs cloud technologies. What Youll Do: Lead architecture, design, and implementation of solutions using SAP BTP services such as SAP Build, Integration Suite, Event Mesh, AI Core, and HANA Cloud. Define clean-core … Guide teams in building custom apps, workflows, automations, and side-by-side extensions using CAP/RAP and low-code tools. Own integration and API strategies leveraging BTP Integration Suite (APIs, OData, REST/SOAP, event-driven patterns). Provide technical leadership, mentoring developers and ensuring adherence to coding ...

Software Engineer

Hiring Organisation
Reed
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
Software Engineer Location: Manchester (Hybrid) Salary: £50,000 - £60,000 (Depending on experience) Tech stack: PHP 7/8, Laravel, RESTful API, MySQL, Vue or React The Opportunity We’re representing a leading retail organisation based in Manchester that is expanding its in-house engineering team due to sustained … . Hands-on experience with a modern PHP framework (Laravel preferred). Good understanding of relational databases (MySQL/PostgreSQL). Knowledge of RESTful API design and backend engineering. Experience with Git and CI/CD workflows. Core front-end understanding (HTML, CSS, JavaScript). Nice to Have ...

Senior Backend Developer

Hiring Organisation
Oyster Consultants
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
technology choices, standards, and continuous improvement initiatives. Required Skills/Experience Strong C# development experience Experience with both .NET Core and .NET Web API Experience of building Microservices in .Net Core Experience using Message Based Architectures Experience using both SQL & NoSQL technologies Experience of API design Cloud ...

Senior Backend Developer

Hiring Organisation
Oyster Consultants
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
technology choices, standards, and continuous improvement initiatives. Required Skills/Experience Strong C# development experience Experience with both .NET Core and .NET Web API Experience of building Microservices in .Net Core Experience using Message Based Architectures Experience using both SQL & NoSQL technologies Experience of API design Cloud ...

Senior Backend Engineer

Hiring Organisation
THE IDOLS GROUP LIMITED
Location
London, United Kingdom
Employment Type
Permanent
systems problems. Skills and experience Strong expertise in Python and modern backend frameworks Deep knowledge of relational databases, particularly PostgreSQL Strong understanding of RESTful API design and microservices patterns Experience working with cloud platforms and containerised environments (Docker, Kubernetes) Experience with CI/CD pipelines, automated testing ...

(Senior) Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
with potential leadership options A high-autonomy role within a technically rigorous environment Your Responsibilities Own and evolve the React and Next.js application architecture Design and implement scalable UI patterns for complex workflows and data visualisation Define state management strategies for long-running jobs and asynchronous systems Build clean … years of experience building production React applications - React, Next.js, TypeScript Experience deploying and managing applications on AWS using Infrastructure as Code and containerized workflows API Design experience UX/UI & Design systems Experience with state management at scale (e.g. React Query, Zustand, Recoil) Knowledge of authentication, authorisation ...

Staff Software Engineer

Hiring Organisation
Classic Football Company Ltd
Location
Manchester Area, United Kingdom
collaborative Agile environment. You will take ownership of complex Magento and front-end initiatives, influence technical direction, and work closely with Product, Design, and Operations to ensure our platforms remain scalable, secure, and high-performing. Location: Hybrid/Remote flexibility Hours: The role is a full-time position … Responsibilities: Lead the design, development, and maintenance of Magento 2 (PHP) features, modules, and integrations, including REST and GraphQL APIs. Drive front-end development using React (JavaScript/TypeScript), consuming Magento GraphQL endpoints to deliver high-quality customer experiences. Own technical solutions from concept through to production, ensuring quality ...

Full Stack Web Developer

Hiring Organisation
LM RECRUITMENT SOLUTIONS LTD
Location
Stroud, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
full-stack technologies. Develop new features and functionality for both front-end and back-end components in following best practices. Implement and maintain robust API integrations with internal and third-party systems. Assist in monitoring, troubleshooting, and resolving production issues to maintain system reliability and data integrity. Participate … reviews, testing, and documentation to maintain high standards of code quality. Required Skills & Experience Strong full-stack development experience with Laravel/PHP for API development and front-end frameworks such as Vue.js (or similar). Familiarity with Node.js for working on an existing LoopBack application. Experience with ...

Software Developer

Hiring Organisation
Reed
Location
Wellington, Somerset, England, United Kingdom
Employment Type
Full-Time
Salary
£41,000 - £51,000 per annum, Inc benefits
Type: Full-time Salary: Up to £51,000 Join our clients innovative Research & Development team as a Full-Stack Developer, where you will design, build, and maintain applications using Angular on the frontend and .NET (C#) on the backend. This role involves close collaboration with the Product and Testing … C#), asynchronous programming, and dependency injection. Quality-focused with experience in unit testing (Jest/NUnit or similar) and code review. Knowledge of RESTful API design, OpenAPI/Swagger, and NoSQL databases. Excellent collaboration skills, with experience working closely with product teams, platform teams, developers, and testers. Strong ...

Application Security Engineer

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £650 per day
strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with ...

Senior Platform Software Engineer

Hiring Organisation
Caresoft Global Ltd
Location
Stratford, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£73.18 per hour
PubSub, Secret Manager). Observability: Experience implementing and utilizing observability and monitoring tools (e.g., Grafana, Splunk) to maintain system health and diagnose issues. API Design: Experience designing and developing REST APIs and associated QA tools. Engineering Practices: Passion for Software Craftsmanship with experience in Pair Programming, Mobbing ...

Junior Back-end Engineer

Hiring Organisation
ivee
Location
City of London, London, United Kingdom
maintain server-side logic using modern backend frameworks (e.g. Node.js, Python, Go) Work with APIs — designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate with front-end and product teams to deliver full-stack features Write clean, testable, and maintainable code Help improve ...

React Native developer

Hiring Organisation
Experis
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£430/day
full-stack development capability, disciplined engineering practices, and experience working in Agile environments. The role involves contributing across the full software development lifecycle, from design and development through testing, deployment, and ongoing support, with a strong emphasis on code quality, security, and automation. Key Responsibilities Design, develop … maintain React Native (Web) applications with a focus on performance, reliability, and maintainability Build and support Java-based backend services for enterprise-scale applications Design and implement RESTful APIs , including documentation using OpenAPI Specification (OAS)/YAML Apply Test-Driven Development (TDD) principles across frontend and backend components Write ...

AI Platform Engineer

Hiring Organisation
The Portfolio Group
Location
London, Castle Baynard, United Kingdom
Employment Type
Permanent
owning the cloud-native platform that underpins conversational AI and generative AI products at scale. Sitting at the core of AI delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working … platform powering conversational assistants and generative AI products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock ...

AWS/Azure Integration Engineer Security Clearance

Hiring Organisation
Akkodis
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
will contribute to both delivery of major transformation initiatives and the continuous improvement of integration standards, tooling, and best practices . Key Responsibilities Design, develop, and support cloud integrations across AWS and Azure , including low-code/no-code solutions Translate business and functional requirements into robust technical integration … designs Build and maintain API-led, event-driven, and batch integrations across SaaS, cloud, and on-prem environments Configure, monitor, and support integration workflows to ensure performance, reliability, and security Support and enhance CI/CD pipelines for integration solutions Contribute to integration architecture decisions , patterns, and tooling standards ...

Full-Stack Developer (Laravel, Vue.js)

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Stroud, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Laravel/PHP APIs, Vue.js (or similar) front-end, Node.js/LoopBack, MySQL/MongoDB, Git, Docker, AWS/DigitalOcean (or similar), Linux environments. API design/integration skills, authentication/security best practices including SSO, CMS/content migrations. Proactive mindset: problem-solver, quick learner, clear communicator …/skills, this role could be a great fit: Full-Stack Developer, PHP/Laravel Developer, Vue.js Developer, Full-Stack PHP Developer, Node.js Developer, API Developer, Software Engineer (integrations), Web Application Developer (e-commerce/CRM), DevOps Engineer (Docker/AWS), Backend Developer (MySQL/MongoDB). Deerfoot Recruitment ...

Senior Scala Developer

Hiring Organisation
SF Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £90,000 per annum
following key skills: - At least 4 years commercial Scala programming - Strong framework experience (Akka, Play etc) - Relational database experience - PostgreSQL - MongoDB, NoSQL - RESTful API design and integration experience - Solid unit test understanding - Spec2, scalaTest etc - Experience working in a TDD/BDD driven environment - Containerization experience - Docker, Kubernetes … well-established friendly team then please apply now to be considered and for further details. Senior Scala Developer Up to £90,000 Scala, REST Api, NoSQL, TDD/BDD, functional programming, CI/CD, Play, Akka ...

Founding Engineer (Full Stack / Backend)

Hiring Organisation
Affinity Labs
Location
London Area, United Kingdom
early-stage, hands-on role with significant autonomy and responsibility to drive backend product development, collaborating closely with founders, creators, and product/design to turn lean specs into reliable, scalable services. Responsibilities Implement features end-to-end on the backend (APIs → data models → integrations) and maintain quality while … z2bz0 years building production backends/services , with shipped work and clear ownership. Strong Python (FastAPI) and database skills ( PostgreSQL/MongoDB ); solid API design fundamentals. Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts. Comfortable with Redis (caching/sessions ...

Senior Backend Engineer (TypeScript/Ruby)

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
experiences at scale. Package 💷 £70–90k + 5% bonus 🏢 Hybrid (2 days onsite, London) What you’ll do Own the full lifecycle of services: API design, architecture, deployment, and production Build an internal platform delivering consistent, real-time communications across multiple digital touchpoints Collaborate with Product, Data, Marketing ...

Back End Developer

Hiring Organisation
Prism Digital
Location
London Area, United Kingdom
that don’t yet have perfect answers. What You’ll Work With Python development at a high level FastAPI or adjacent Python backend frameworks API design and backend architecture fundamentals PostgreSQL and/or MongoDB React or React Native for frontend collaboration AWS serverless infrastructure Docker for bespoke ...

Senior Full Stack Engineer

Hiring Organisation
Nusku
Location
City Of Bristol, England, United Kingdom
succeed: Must-haves: Strong proficiency in modern software development (e.g., PHP/Laravel, JavaScript/Vue.js, or equivalent). Solid understanding of RESTful API design and integration. Experience designing and maintaining scalable, modular, and production-ready codebases. Proficiency with relational databases (e.g., MySQL, PostgreSQL). Familiarity with Docker ...

Senior Software Engineer

Hiring Organisation
Fynity
Location
London Area, United Kingdom
senior individual-contributor role within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work … extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing on scalability, fault tolerance, and observability Collaborate closely with architects, engineers, and client teams across Europe Operate in Agile environments (Scrum/Kanban) with a strong engineering culture ...