26 to 50 of 138 API Design Jobs in England

Front End React Developer

Hiring Organisation
Ascend Consulting
Location
North West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £80,000 per annum
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 ...

Full Stack Developer - Typescript

Hiring Organisation
Computer Futures
Location
Coventry, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum personal & business bonus
delivering scalable, high-performance applications. This role requires deep technical expertise, strong architectural skills, and the ability to collaborate effectively across teams. Key Responsibilities Design, develop, and maintain robust full-stack applications and services. Architect and implement scalable cloud-based solutions leveraging AWS . Optimise system performance, reliability … Node.js . Proven experience with AWS and cloud-based architectures. Full-stack proficiency with modern frameworks (e.g., React). Solid understanding of software architecture, design principles, and microservices. Experience with serverless architecture, containers (Docker, Kubernetes), and CI/CD pipelines. Excellent problem-solving, debugging, and communication skills. Preferred Qualifications ...

Senior Software Engineer

Hiring Organisation
Reed Technology
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
automation, and continuous improvement-and they're looking for someone who shares that mindset. Key responsibilities as the Senior Back-End Software Engineer are: Design and develop backend services using Node.js and TypeScript , deployed in a cloud-native environment. Build and maintain GraphQL and REST APIs to support … team. Skills & Experience needed: Essential: Strong experience with Node.js and TypeScript Proven background in microservices architecture Solid understanding of GraphQL and RESTful API design Experience with SQL and NoSQL databases Familiarity with CI/CD, automated testing, and modern development workflows Desirable: Experience with Azure or other cloud ...

Lead Full-Stack Developer

Hiring Organisation
Experis
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
hands-on development with technical leadership, working closely with architects, product stakeholders, and client teams to deliver secure, scalable software solutions. Responsibilities Front End Design and build modern, responsive user interfaces Develop using React, TypeScript, JavaScript, HTML, CSS Drive strong UX and cross-browser compatibility Back End Design and develop APIs and services Build server-side logic using Java (Spring Boot) Contribute to overall application architecture Data & DevOps Design and maintain relational databases (PostgreSQL preferred) Implement CI/CD pipelines (e.g. GitHub Actions, Jenkins) Deploy and operate services in cloud environments (AWS, Azure ...

Senior Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Permanent
Salary
£80,000
modern CMS ecosystem. Key Responsibilities: Architect, build, and maintain full-stack applications using TypeScript, React, and Node.js. Provide technical direction by contributing to design decisions, architectural options, and solution trade-offs. Lead improvements to automated testing practices, ensuring robust unit, integration, and E2E test coverage. Drive enhancements … Node.js, React, and Next.js. Professional experience with cloud platforms (AWS preferred). Experience with automated testing and CI/CD pipelines. Understanding of RESTful API design, microservices, and modern web application architecture. Experience with mentoring junior and mid-level engineers. Excellent collaboration, problem-solving, and communication skills, with ...

Infrastructure Engineer

Hiring Organisation
Adroit People Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
Months London Onboarding after BGV completion We are looking for an experienced Infrastructure Engineer with deep Google Cloud Platform (GCP) networking expertise to design, build, automate, and operate cloud network services at scale. The role includes DNS as a Service offering, IP Address Management (IPAM), integrations with ServiceNow, FinOps … compliance. Youll partner with Operations, Security, FinOps, and Platform Engineering to deliver reliable, compliant, and cost-optimized cloud networking services. Key Responsibilities Network Design & Operations (GCP) Design, implement, and operate GCP networking: VPCs, subnets, routing (Cloud Router/BGP), VPC peering, Private Service Connect, Cloud NAT, Cloud Firewall ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
London Area, United Kingdom
core stack includes: The Engine: Expert-level C# and .NET Core mastery. Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns. System Dynamics: Specialized knowledge of concurrency, asynchrony, and parallelism —essential for real-time transactional processing. Data & Web: High proficiency in SQL Server … API design, and modern front-end fundamentals (HTML/CSS/JS). Reliability: A strict practitioner of TDD (Test Driven Development) and robust CI/CD processes. Desired Innovations Our client is actively modernizing. Exposure to the following is highly valued: Cloud & Orchestration: Azure ecosystems, Docker ...

Cloud DevOps Engineer

Hiring Organisation
Anson Mccade
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
technical leadership role where youll set direction, define standards, and ensure high-quality delivery. Youll work closely with clients and cross-disciplinary teams to design innovative cloud solutions, while mentoring colleagues and sharing best practices across the organisation. What Youll Be Working On: Design, deploy, and maintain cloud … such as Cloud Functions, Cloud Run, GKE, Compute Engine, VPCs, Cloud Spanner, Cloud SQL, and BigQuery Strong knowledge of microservices, event-driven architectures, and API design Experience with CI/CD pipelines, infrastructure as code (Terraform), and automated testing Competence in scripting or programming (Python, Bash, Node.js) Familiarity ...

Senior Technical Architect

Hiring Organisation
Cognizant
Location
London, United Kingdom
Employment Type
Permanent
alignment between technical and business leaders, balancing strategic direction with delivery needs. Represent architecture in governance forums, supporting prioritization, risk discussions, and assurance reviews. Design, Analysis & Governance Create high-quality architectural artefacts including diagrams, data flows, integrations, future-state designs, and migration pathways. Evaluate technology options and assess impacts … digital or enterprise environments. Strong software engineering foundation, with practical knowledge of modern application architectures (e.g., microservices, APIs, distributed systems). Proven ability to design and document architectures using visual modelling techniques such as C4, UML, and data flow diagrams. Hands-on experience with at least one major cloud ...

Senior Frontend Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
seeking an experienced Senior Frontend/Full Stack Engineer to lead the design, development, and delivery of high-quality web applications. This role is frontend-focused, with responsibility for shaping UI architecture, driving engineering standards, and contributing to backend services where appropriate. You will work closely with product … design partners while providing technical leadership across the engineering team. Key Responsibilities Lead the design and implementation of complex, scalable frontend architecture using modern JavaScript frameworks. Own the frontend technical direction, ensuring performance, accessibility, and maintainability at scale. Collaborate with product managers, designers, and engineers to translate requirements ...

Technical Lead

Hiring Organisation
Oscar Associates (UK) Limited
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection … architecture, coding, and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering ...

Cloud Application Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Cloud Application Developer

Hiring Organisation
Sanderson Recruitment
Location
Greater Manchester, North West, United Kingdom
Employment Type
Permanent
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Cloud Application Developer

Hiring Organisation
Sanderson Recruitment
Location
Gloucestershire, South West, United Kingdom
Employment Type
Permanent
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Full Stack Developer

Hiring Organisation
Goldilock
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
maintain code quality and catch regressions early. Identifying, prioritising, and addressing technical debt as part of ongoing development. Contributing to UI/UX design, from wireframes and prototypes to polished interfaces. Taking part in DevOps-adjacent work (e.g. CI/CD workflows in GitLab, deployment automation). Actively contributing … system design discussions, research, and proofs-of-concept as we plan an overhaul of the system. Collaborating with a multidisciplinary team (electronics, production, integrated systems) to make sure software and hardware work well together. About The Applicant An experienced developer who can work independently on production systems, balancing delivery ...

Cloud Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Cloud Developer

Hiring Organisation
Sanderson Recruitment
Location
Gloucestershire, South West, United Kingdom
Employment Type
Permanent
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Cloud Developer

Hiring Organisation
Sanderson Recruitment
Location
Greater Manchester, North West, United Kingdom
Employment Type
Permanent
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Cloud Developer

Hiring Organisation
Sanderson Recruitment
Location
Normanton, West Yorkshire, UK
Employment Type
Full-time
practice methodologies, designing and delivering innovative, automated solutions to complex challenges. Interpret and apply security policies, ensuring all implemented solutions meet required security standards. Design and implement highly available, scalable, and resilient systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. … Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience in API design, development, and integration. Knowledge of monitoring and observability systems. Understanding of modern digital delivery processes and agile methodologies. Working knowledge ...

Lead Full Stack Engineer

Hiring Organisation
Fruition Group
Location
Leeds, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 100,000 Annual
suited to an experienced consultant who enjoys setting technical direction, mentoring engineers, and acting as a trusted technical partner to clients. Responsibilities Lead the design and delivery of full stack JavaScript solutions Set technical direction, standards, and best practices across projects Remain hands-on, contributing to critical areas … Required Experience Extensive commercial experience with JavaScript/TypeScript Strong Front End experience with React (or equivalent) Strong Back End experience with Node.js and API design Proven experience in a Lead/Tech Lead/Senior Consultant role Experience designing and delivering scalable systems Strong stakeholder management ...

Application Developer

Hiring Organisation
Synechron
Location
Sheffield, England, United Kingdom
passionate about cloud-native identity solutions, API development, and event-driven architectures? We're looking for a skilled Application Developer to drive secure, scalable identity and access management (IAM) workflows across Google Cloud Platform. 🔹 What You'll Do: ✅ Design and implement identity lifecycle workflows, integrating with GCP Cloud … Identity, ServiceNow, and more. ✅ Develop and secure RESTful APIs supporting provisioning, governance, and access workflows. ✅ Build event pipelines where API events publish to Pub/Sub for automation and security monitoring. ✅ Automate IAM infrastructure using Terraform, CI/CD, and best practices. ✅ Troubleshoot, collaborate, and guide teams on secure ...

Senior Full-Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £70,000 per annum
work across frontend and backend systems, help shape technical solutions, and ensure best practices are followed throughout the development lifecycle. Key Responsibilities Design, develop, and maintain high-quality software solutions across the full stack Build and integrate APIs, ensuring secure and efficient data exchange Develop user interfaces using modern … Requirements Proven experience as a full-stack developer Strong proficiency in .NET (C#), JavaScript, and modern frontend frameworks Solid experience with SQL databases and API design and integration Excellent problem-solving, communication, and organisational skills Ability to work proactively on independent projects and collaboratively within a team Familiarity ...

Principal Solutions Architect

Hiring Organisation
Tilo Consulting
Location
Manchester, England, United Kingdom
early architectural hire, you will play a central role in shaping the platform’s foundations. The work spans strategic architectural decisions and hands‐on design, partnering closely with engineering, data and product teams to ensure solutions are secure, scalable and aligned to the organisation’s goals. What They … ideally with experience applying it in production environments. Solid knowledge of cloud‐native architectures , including microservices and distributed systems. Understanding of secure‐by‐design approaches and modern security practices. Experience with API design , integration patterns and contemporary frameworks (.NET, Node.js, React). Practical experience with ...

Junior DevOps/Backend Developer

Hiring Organisation
Viewture
Location
Worthing, England, United Kingdom
Haves ✨ Knowledge of containerisation technologies (Docker) Familiarity with Infrastructure as Code (ARM templates, Bicep, Terraform) Exposure to PowerShell or Python scripting Experience with API design principles and RESTful services Knowledge of security best practices and OWASP guidelines Previous experience in fintech, SaaS, or high-growth startups Benefits ✅ Hybrid ...

Senior Software Engineer

Hiring Organisation
Duffel
Location
London Area, United Kingdom
journey. Engineering at Duffel We're building tools to simplify travel distribution, search, and booking through one seamless API. The technical challenge? Design a beautiful API, then integrate it with hundreds of travel providers - each with different systems and requirements - whilst delivering a fantastic developer experience. We work … Thrive Here If: ✅ You're passionate about designing beautiful APIs and creating great developer experiences ✅ You have a high bar for code quality and API design ✅ You have opinions on good engineering standards and processes as we define ours at Duffel ✅ You think big picture - making tradeoffs between ...