API Design Jobs in the UK excluding London

251 to 275 of 282 API Design Jobs in the UK excluding London

Technology Risk & Assurance Analyst

london, south east england, united kingdom
Astrum Search
the business. Responsibilities: Provide project and delivery assurance across key technology and business initiatives Evaluate strategic alignment and ensure execution aligns with business intent Assess third-party risks, including API design, governance, and integration points Review and challenge SLAs and performance measures to ensure commercial relevance Lead assurance reviews over technology platforms, applications, and infrastructure Apply data analytics … outcomes Technically curious and confident engaging with engineers, data scientists, and delivery leads Familiar with Agile, DevOps, project governance, and third-party management Knowledgeable about performance measurement frameworks and API-related risks Experienced in (or curious about) agentic AI, data visualisation, and analytics If you are ready to combine technical depth with strategic impact and provide insights that drive More ❯
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Technology Risk & Assurance Analyst

slough, south east england, united kingdom
Astrum Search
the business. Responsibilities: Provide project and delivery assurance across key technology and business initiatives Evaluate strategic alignment and ensure execution aligns with business intent Assess third-party risks, including API design, governance, and integration points Review and challenge SLAs and performance measures to ensure commercial relevance Lead assurance reviews over technology platforms, applications, and infrastructure Apply data analytics … outcomes Technically curious and confident engaging with engineers, data scientists, and delivery leads Familiar with Agile, DevOps, project governance, and third-party management Knowledgeable about performance measurement frameworks and API-related risks Experienced in (or curious about) agentic AI, data visualisation, and analytics If you are ready to combine technical depth with strategic impact and provide insights that drive More ❯
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Software Architect

london, south east england, united kingdom
Hybrid / WFH Options
Ventula Consulting
Software Architect to join their fast-growing and dynamic team. This is an exciting opportunity to work on cutting-edge projects, collaborating with engineers, stakeholders, and business leaders to design and deliver high-impact software systems. Tech Stack: Frontend: Angular.JS/TypeScript Backend: Swift (Swift Vapor) Key Responsibilities Lead the architecture and design of complex, scalable software solutions. … Software Architect or Senior Engineering roles. Strong expertise with Angular.JS/TypeScript. Solid hands-on experience with Swift, ideally Swift Vapor for Back End services. Proven track record in API design and development. Excellent interpersonal and communication skills to engage with both technical and non-technical stakeholders. Package & Location Salary: £85,000 per annum + Benefits Location: Central More ❯
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Software Architect

slough, south east england, united kingdom
Hybrid / WFH Options
Ventula Consulting
Software Architect to join their fast-growing and dynamic team. This is an exciting opportunity to work on cutting-edge projects, collaborating with engineers, stakeholders, and business leaders to design and deliver high-impact software systems. Tech Stack: Frontend: Angular.JS/TypeScript Backend: Swift (Swift Vapor) Key Responsibilities Lead the architecture and design of complex, scalable software solutions. … Software Architect or Senior Engineering roles. Strong expertise with Angular.JS/TypeScript. Solid hands-on experience with Swift, ideally Swift Vapor for Back End services. Proven track record in API design and development. Excellent interpersonal and communication skills to engage with both technical and non-technical stakeholders. Package & Location Salary: £85,000 per annum + Benefits Location: Central More ❯
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Software Architect

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Ventula Consulting
Software Architect to join their fast-growing and dynamic team. This is an exciting opportunity to work on cutting-edge projects, collaborating with engineers, stakeholders, and business leaders to design and deliver high-impact software systems. Tech Stack: Frontend: Angular.JS/TypeScript Backend: Swift (Swift Vapor) Key Responsibilities Lead the architecture and design of complex, scalable software solutions. … Software Architect or Senior Engineering roles. Strong expertise with Angular.JS/TypeScript. Solid hands-on experience with Swift, ideally Swift Vapor for Back End services. Proven track record in API design and development. Excellent interpersonal and communication skills to engage with both technical and non-technical stakeholders. Package & Location Salary: £85,000 per annum + Benefits Location: Central More ❯
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Full Stack Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Circle Recruitment
circa £80,000 to £90,000 per annum, depending on experienceLocation: fully remote, with occasional visits to Basingstoke We are looking for a skilled Full Stack Software Engineer to design and develop cutting-edge products with a focus on Python , PostgreSQL and front-end development. You'd be working in a flexible, remote-first environment, tackling interesting and complex … visits to Basingstoke as needed. Qualifications & Skills required: 5+ years of Python development Strong understanding of database systems (e.g. PostgreSQL) 5+ years of front-end development and deployment RESTful API design and development Demonstrable clean, maintainable code practices What you'd be doing: Take ownership of designing and delivering new capabilities within existing systems Requirements gathering and programme More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum, Inc benefits
Posted:

Front Office Technical Team Lead

london, south east england, united kingdom
CMC Markets UK Plc
with your front-end counterpart to ensure alignment across the stack, to support the firm's market-making business across ranging Equities, FX, Crypto & Commodities asset classes Lead the design, development, and maintenance of the infrastructure estate, microservices, web APIs, and the business logic delivery, keeping projects on track and within scope. Drive technical decisions and trade-offs balancing … the role, including all relevant regulatory and legislative training KEY SKILLS AND EXPERIENCE Strong expertise in Java, Spring Framework/Spring Boot, or related backend frameworks Solid understanding of API design, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team members, promoting coding reviews, enforcing team conventions Track record in driving initiatives/ More ❯
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Front Office Technical Team Lead

london (city of london), south east england, united kingdom
CMC Markets UK Plc
with your front-end counterpart to ensure alignment across the stack, to support the firm's market-making business across ranging Equities, FX, Crypto & Commodities asset classes Lead the design, development, and maintenance of the infrastructure estate, microservices, web APIs, and the business logic delivery, keeping projects on track and within scope. Drive technical decisions and trade-offs balancing … the role, including all relevant regulatory and legislative training KEY SKILLS AND EXPERIENCE Strong expertise in Java, Spring Framework/Spring Boot, or related backend frameworks Solid understanding of API design, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team members, promoting coding reviews, enforcing team conventions Track record in driving initiatives/ More ❯
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Enterprise Solutions Architect

Minworth, Sutton Coldfield, West Midlands, England, United Kingdom
Proactive Appointments
integrating systems from acquired entities, ensuring architectural consistency and operational excellence across the group. Key Responsibilities Define and maintain the enterprise architecture vision and roadmap aligned with business strategy. Design and guide the implementation of scalable, integrated technology solutions across ERP, CRM, and financial systems. Lead integration initiatives, ensuring coherence and data integrity across platforms. Evaluate emerging technologies and … stakeholder management and influencing skills across business and technical domains. Proven experience with ERP, CRM, and financial systems (e.g., NetSuite, SAP, Microsoft Dynamics). Solid understanding of systems architecture, API design, and modern integration patterns. Knowledge of data architecture principles, governance frameworks, and integration methodologies. Ability to assess and recommend emerging technologies that drive efficiency and scalability. Experience … equivalent). Experience leading technical teams, external consultants, or project delivery functions. Proven success delivering enterprise transformation or multi-system integration projects exceeding £500k . Hands-on experience with API development , data migration , and system integration projects. Background in legacy system modernisation , particularly ERP transitions. Exposure to M&A technology integration (due diligence and post-acquisition) highly advantageous. Experience More ❯
Employment Type: Full-Time
Salary: £65,000 - £80,000 per annum
Posted:

Solution Architect (Cards)

Northampton, Northamptonshire, United Kingdom
Hybrid / WFH Options
N Consulting Limited
and verbal), anticipate potential objections and persuade others to adopt the most appropriate view. Banking (retail) experience is preferred Experience of working in a highly regulated environment. Exposure to API design strategies both for internal and external customer usage Exposure to Cloud technologies. AWS Solution Architect certification - foundation level or higher Experience of working with service management teams More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Integration Service

London, South East, England, United Kingdom
University of the Arts London
University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University’s mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London’s enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL’s digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full lifecycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure, and More ❯
Employment Type: Full-Time
Salary: £64,113 - £86,465 per annum
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

london, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
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Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

slough, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Solutions Architect

Bradford, England, United Kingdom
Hybrid / WFH Options
Tata Consultancy Services
role serves as a trusted advisor to both internal and external partners within the Java ecosystem. As a Java Solution Architect, one must possess knowledge of overall architecture/design for Java implementations across multiple projects or one large complex project under the leadership of a lead Architect. Your responsibilities: • Driving discussion with Client and Business Users on Solution … Design. • Retrofitting Business Requirement in Java landscape based on the current architecture and Solution Design . • Documenting Functional Requirement, with Solution Design. • Designing and implementing scalable and flexible program architectures that support point-based tiered, and personalized structures . • Integrate solutions with POS systems, e-commerce platforms, and mobile apps for seamless customer experience. • Define architecture for marketing automation … platforms, campaign management systems, and CRM solutions. • Design API-driven architectures for integrating third-party marketing platforms, ad networks, and analytics tools. Leverage cloud-native technologies (AWS/GCP) for scalability, performance, and cost-efficiency. •Collaborate with cross-functional teams to determine the best implementation strategies for Java solutions. • You must Lead and prioritization/scoping of business More ❯
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Solutions Architect

Bradford, south west england, united kingdom
Hybrid / WFH Options
Tata Consultancy Services
role serves as a trusted advisor to both internal and external partners within the Java ecosystem. As a Java Solution Architect, one must possess knowledge of overall architecture/design for Java implementations across multiple projects or one large complex project under the leadership of a lead Architect. Your responsibilities: • Driving discussion with Client and Business Users on Solution … Design. • Retrofitting Business Requirement in Java landscape based on the current architecture and Solution Design . • Documenting Functional Requirement, with Solution Design. • Designing and implementing scalable and flexible program architectures that support point-based tiered, and personalized structures . • Integrate solutions with POS systems, e-commerce platforms, and mobile apps for seamless customer experience. • Define architecture for marketing automation … platforms, campaign management systems, and CRM solutions. • Design API-driven architectures for integrating third-party marketing platforms, ad networks, and analytics tools. Leverage cloud-native technologies (AWS/GCP) for scalability, performance, and cost-efficiency. •Collaborate with cross-functional teams to determine the best implementation strategies for Java solutions. • You must Lead and prioritization/scoping of business More ❯
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Java Technical Lead

Farnborough, England, United Kingdom
Q1 Technologies, Inc
Role: Java Technical Lead Type: Contract Location: Farnborough, UK (1 day/week) About the Role We are seeking a highly skilled and experienced Senior Java Developer to design, develop, and maintain robust, scalable, and high-performance applications. The ideal candidate will have deep expertise in Core Java, Spring Framework, and Microservices architecture, along with hands-on experience in … AWS cloud services and automation tools like Terraform or Ansible. Key Responsibilities • Design, develop, and deploy scalable Java-based applications using Spring 11/17 and Microservices architecture. • Develop RESTful APIs and integrate with front-end systems built on Angular. • Collaborate with cross-functional teams to deliver secure, efficient, and maintainable software solutions. • Implement and manage cloud infrastructure using … and procedures for backend database operations. Required Skills & Qualifications • Strong proficiency in Core Java, OOPs concepts, and Spring 11/17 Framework. • Hands-on experience with Microservices and RESTful API design. • Experience with AWS cloud services (EC2, Lambda, S3, RDS, etc.). • Proficiency in Terraform or Ansible for infrastructure automation. • Working knowledge of Angular or similar UI frameworks. • Solid More ❯
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Java Technical Lead

southampton, south east england, united kingdom
Q1 Technologies, Inc
Role: Java Technical Lead Type: Contract Location: Farnborough, UK (1 day/week) About the Role We are seeking a highly skilled and experienced Senior Java Developer to design, develop, and maintain robust, scalable, and high-performance applications. The ideal candidate will have deep expertise in Core Java, Spring Framework, and Microservices architecture, along with hands-on experience in … AWS cloud services and automation tools like Terraform or Ansible. Key Responsibilities • Design, develop, and deploy scalable Java-based applications using Spring 11/17 and Microservices architecture. • Develop RESTful APIs and integrate with front-end systems built on Angular. • Collaborate with cross-functional teams to deliver secure, efficient, and maintainable software solutions. • Implement and manage cloud infrastructure using … and procedures for backend database operations. Required Skills & Qualifications • Strong proficiency in Core Java, OOPs concepts, and Spring 11/17 Framework. • Hands-on experience with Microservices and RESTful API design. • Experience with AWS cloud services (EC2, Lambda, S3, RDS, etc.). • Proficiency in Terraform or Ansible for infrastructure automation. • Working knowledge of Angular or similar UI frameworks. • Solid More ❯
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Senior MuleSoft Consultant

Leeds, England, United Kingdom
Alscient
and are looking for a skilled and experienced Lead MuleSoft Consultant to join our growing team. The successful candidate will be responsible for leading MuleSoft projects responsible for the design, development and integration solutions that connect Salesforce with enterprise systems, cloud applications and data services. Why Alscient We are experts in digital transformation and are proud to be a … to make an immediate impact by providing solution input when required and able to lead on a variety of customer engagements. Key Responsibilities Include: Lead the end-to-end design and delivery of MuleSoft APIs, integrations, event-driven flows, and orchestration layers, ensuring performance, scalability, error handling and monitoring. Architect robust integration solutions connecting Salesforce (Sales Cloud, Service Cloud … quality throughout. Drive proof of concepts, spike work, technology evaluations, and platform upgrades (MuleSoft versions, connectors). Translate business requirements into integration solutions, ensuring scalability, security and maintainability. Implement API-led connectivity following MuleSoft best practices. Create technical documentation, API specifications (RAML/OAS), and deployment guides. Conduct unit testing, debugging and performance optimisation. Collaborate with Salesforce teams More ❯
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Senior MuleSoft Consultant

bradford, yorkshire and the humber, united kingdom
Alscient
and are looking for a skilled and experienced Lead MuleSoft Consultant to join our growing team. The successful candidate will be responsible for leading MuleSoft projects responsible for the design, development and integration solutions that connect Salesforce with enterprise systems, cloud applications and data services. Why Alscient We are experts in digital transformation and are proud to be a … to make an immediate impact by providing solution input when required and able to lead on a variety of customer engagements. Key Responsibilities Include: Lead the end-to-end design and delivery of MuleSoft APIs, integrations, event-driven flows, and orchestration layers, ensuring performance, scalability, error handling and monitoring. Architect robust integration solutions connecting Salesforce (Sales Cloud, Service Cloud … quality throughout. Drive proof of concepts, spike work, technology evaluations, and platform upgrades (MuleSoft versions, connectors). Translate business requirements into integration solutions, ensuring scalability, security and maintainability. Implement API-led connectivity following MuleSoft best practices. Create technical documentation, API specifications (RAML/OAS), and deployment guides. Conduct unit testing, debugging and performance optimisation. Collaborate with Salesforce teams More ❯
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Software Engineer

Newcastle Upon Tyne, England, United Kingdom
Hybrid / WFH Options
NRG
designing APIs, building responsive front-ends, and will work in close coordination with in-house and client development teams to deliver required updates and improvements. What You'll Do: Design, build, and maintain efficient, reusable, and reliable code using C#, .NET Core/Framework. Develop front-end components using modern JavaScript frameworks (e.g., React, Angular, or Vue). Build … with .NET (Core or Framework), C#, and modern web development. Experience with a front-end framework like React, Angular, or Vue. Solid understanding of HTML, CSS, JavaScript, and RESTful API design. Experience working with SQL and/or NoSQL databases. Familiarity with Git, CI/CD pipelines, and cloud platforms (e.g., Azure ). Strong problem-solving skills and a More ❯
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Software Engineer

sunderland, tyne and wear, north east england, united kingdom
Hybrid / WFH Options
NRG
designing APIs, building responsive front-ends, and will work in close coordination with in-house and client development teams to deliver required updates and improvements. What You'll Do: Design, build, and maintain efficient, reusable, and reliable code using C#, .NET Core/Framework. Develop front-end components using modern JavaScript frameworks (e.g., React, Angular, or Vue). Build … with .NET (Core or Framework), C#, and modern web development. Experience with a front-end framework like React, Angular, or Vue. Solid understanding of HTML, CSS, JavaScript, and RESTful API design. Experience working with SQL and/or NoSQL databases. Familiarity with Git, CI/CD pipelines, and cloud platforms (e.g., Azure ). Strong problem-solving skills and a More ❯
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Lead Software Engineer – Azure / .NET

London, South East, England, United Kingdom
Arc IT Recruitment
Lead Software Engineer – Azure/.NET Remote/London (occasional office visits) £Competitive + 20% bonus + excellent benefits Azure, C#, .NET, API A Lead Software Engineer with strong experience in Azure and C#/.NET is required by a global, prestigious luxury brand. This is a hands-on leadership role where you will translate architectural vision into high … performance, enterprise-grade solutions. Working closely with the Global Head of Engineering and a talented global team of developers and architects, you will plan, design, and deliver scalable, secure, and automated cloud platforms within Microsoft Azure. The organisation has beautiful offices in the West End, with a requirement to attend approximately once a fortnight. Key Responsibilities: Design and … deliver high-performance, public-facing REST APIs and system integrations within a modern Azure environment. Produce API documentation that adheres to OpenAPI 3.x standards. Lead and mentor a small, focused development team, promoting collaboration, code quality, and technical excellence. Modernise legacy systems and drive the development of next-generation, cloud-native solutions aligned with architectural best practices. Champion DevOps More ❯
Employment Type: Full-Time
Salary: £95,000 - £105,000 per annum
Posted:

Fullstack Developer

Birmingham, West Midlands, United Kingdom
Erin Associates
front-end interfaces in React . Core Responsibilities for this Developer role: Develop, maintain, and enhance cloud-based applications and services . Focus on Node.js backend development and RESTful API design. Collaborate with designers, product owners, and fellow developers in an agile environment . Build and optimise front-end features using React. Apply Test-Driven Development (TDD) principles to … and estimations. Core Skills & Experience 5+ years experience developing commercial software and web applications . Strong proficiency in TypeScript for building data-heavy applications. Skilled in Node.js backend and API development. Proficient with React for front-end development. Hands-on experience with unit testing and TDD . Confident managing branches with Git . Detail-oriented with a focus on … growing, forward-thinking company. To apply, send your CV to Bethany at Or call 0161 438 1177 for more details. Keywords: Fullstack Developer, TypeScript, Node.js, React, Azure DevOps, JavaScript, API Development, Birmingham, West Midlands, Solihull, Warwickshire Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy. More ❯
Employment Type: Permanent
Salary: £55,000
Posted:

JSON/AWS/Lambda Developer - Manchester - URGENT

Manchester, Lancashire, United Kingdom
MWEK Solutions DMCC
developers + DevOps engineers) delivering secure, scalable, and high-availability AI systems. Own AWS-based infrastructure: Lambda, EC2, S3, CloudFormation/Terraform, CloudWatch, and VPC security. Oversee JSON-based API integrations, data pipelines, and serverless event-driven architectures. Implement continuous integration and deployment (CI/CD) pipelines for code, models, and infrastructure. Ensure DevSecOps best practices - patching, logging, monitoring … or AWS CodePipeline). Proven ability to secure and scale production systems. Monitoring and observability tools (CloudWatch, Grafana, OpenTelemetry). Familiar with data exchange formats (JSON, YAML, Parquet) and API design. Leadership & Delivery 4-8 years in software development and/or DevOps, including 2+ in a management or team lead role. Experience in defence, aerospace, or regulated sectors More ❯
Employment Type: Any
Salary: GBP 70,000 Annual
Posted:
API Design
the UK excluding London
10th Percentile
£45,000
25th Percentile
£52,500
Median
£72,500
75th Percentile
£82,500
90th Percentile
£112,750