API Design Jobs in the UK

226 to 250 of 289 API Design Jobs in the UK

Senior Software Engineer - Unified Client Experience (UCX)

England, United Kingdom
Hargreaves Lansdown PLC
scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Software Developer

London, UK
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services More ❯
Employment Type: Part-time
Posted:

Full Stack Software Developer

City of London, Greater London, UK
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services More ❯
Employment Type: Part-time
Posted:

Full Stack Software Developer

london, south east england, united kingdom
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services More ❯
Posted:

Full Stack Software Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services More ❯
Posted:

Full Stack Software Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Verdantix
across the stack, with strong front end focus (React, Angular, or Vue). Proficiency in building modern web applications from scratch (not only visualization layers). Strong skills in API design and integration. Experience (or strong demonstrable capability) in developing customer-facing AI-powered tools (chatbots, semantic search, or other LLM integrations). Familiarity with AWS cloud services More ❯
Posted:

Back End Engineer

United Kingdom
Hybrid / WFH Options
Bauer Media Group
Required: Proven experience mentoring and leading development teams. Strong proficiency in Go, TypeScript, PHP, and SQL. Deep understanding of AWS, Cloudflare, and DevOps principles. Experience with microservices architecture and API design. Excellent problem-solving and debugging skills. Strong communication and stakeholder management abilities. High emotional intelligence and adaptability in fast-paced environments. Desired: Experience in the media or audio More ❯
Posted:

Back End Engineer

Guernsey, UK
Hybrid / WFH Options
Bauer Media Group
Required: Proven experience mentoring and leading development teams. Strong proficiency in Go, TypeScript, PHP, and SQL. Deep understanding of AWS, Cloudflare, and DevOps principles. Experience with microservices architecture and API design. Excellent problem-solving and debugging skills. Strong communication and stakeholder management abilities. High emotional intelligence and adaptability in fast-paced environments. Desired: Experience in the media or audio More ❯
Employment Type: Part-time
Posted:

Embedded Software Developer

Bristol, United Kingdom
Hybrid / WFH Options
Smartbox Assistive Technology
one or more of the following languages: C, C++, Rust. 4+ years of experience in embedded software development in C. Knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis. Strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability. Confident and experienced with automated testing, including unit … integration and system tests, mocking and automation frameworks. An understanding of API design and the creation of clear, stable abstractions for hardware/firmware interaction. Skilled at debugging in constrained environments and using hardware/software debugging tools. A proven track record of innovation and quality software development throughout the entire software product lifecycle. Ability to solve complex More ❯
Employment Type: Permanent
Salary: £50000 - £60000/annum
Posted:

Embedded Software Developer

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
Smartbox Assistive Technology
one or more of the following languages: C, C++, Rust. 4+ years of experience in embedded software development in C. Knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis. Strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability. Confident and experienced with automated testing, including unit … integration and system tests, mocking and automation frameworks. An understanding of API design and the creation of clear, stable abstractions for hardware/firmware interaction. Skilled at debugging in constrained environments and using hardware/software debugging tools. A proven track record of innovation and quality software development throughout the entire software product lifecycle. Ability to solve complex More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 60,000 Annual
Posted:

Embedded Software Developer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Smartbox Assistive Technology
one or more of the following languages: C, C++, Rust. 4+ years of experience in embedded software development in C. Knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis. Strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability. Confident and experienced with automated testing, including unit … integration and system tests, mocking and automation frameworks. An understanding of API design and the creation of clear, stable abstractions for hardware/firmware interaction. Skilled at debugging in constrained environments and using hardware/software debugging tools. A proven track record of innovation and quality software development throughout the entire software product lifecycle. Ability to solve complex More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Python Developer

Sheffield, England, United Kingdom
Hybrid / WFH Options
NearTech Search
ownership and contribute to software used in production from day one in a team where ideas are valued, shared, and acted upon where of benefit. What you’ll do Design, build, and maintain backend services and APIs in Python Collaborate with frontend and mobile engineers on end-to-end delivery Contribute to architecture and best-practice decisions across the … stack Write clean, maintainable, and well-tested code Essential experience Strong Python development skills Experience with Django (Flask/FastAPI are fine too) RESTful API design and integration Relational databases (PostgreSQL or similar) Git Worth noting: Whilst this is a backend role, you will need to have some light exposure to Javascript when required (purely for some ticketing More ❯
Posted:

Python Developer

handsworth, yorkshire and the humber, united kingdom
Hybrid / WFH Options
NearTech Search
ownership and contribute to software used in production from day one in a team where ideas are valued, shared, and acted upon where of benefit. What you’ll do Design, build, and maintain backend services and APIs in Python Collaborate with frontend and mobile engineers on end-to-end delivery Contribute to architecture and best-practice decisions across the … stack Write clean, maintainable, and well-tested code Essential experience Strong Python development skills Experience with Django (Flask/FastAPI are fine too) RESTful API design and integration Relational databases (PostgreSQL or similar) Git Worth noting: Whilst this is a backend role, you will need to have some light exposure to Javascript when required (purely for some ticketing More ❯
Posted:

Software Architect

London Area, 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 ❯
Posted:

Software Architect

City of London, London, 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 ❯
Posted:

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 ❯
Posted:

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 ❯
Posted:

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 ❯
Posted:

Full Stack Software Engineer

London, United Kingdom
Hybrid / WFH Options
Circle Group
to £90,000 per annum, depending on experience Location: 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 challenges within … 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: Permanent, Work From Home
Salary: £90,000
Posted:

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

City of London, London, 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 ❯
Employment Type: Permanent
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 ❯
Posted:

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 ❯
Posted:

Technical Architect, Remote with some travel

United Kingdom
Hybrid / WFH Options
Drive best practices in CI/CD, DevOps, and observability Collaborate across product, frontend, and data teams to deliver end-to-end solutions NET, Java, Node.js, or Python Proven API design, database, and cloud platform skills Relocation to Dubai with full support Competitive salary up to £140K Opportunity to mentor and grow your own team &## More ❯
Posted:

SC Contract Technical Architect

London Area, United Kingdom
Axiologik
within the organisation. Contract details: 700 DR Inside IR35 12 month contract ASAP start date Hybrid - as and when required in London (infrequent travel) Skillset: Background in Software Architecture API design (REST is preferable). ++ Designing for use with User Interfaces would be a plus. Event-driven architecture patterns Familiarity with AWS and Kubernetes (Containers) would be More ❯
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£61,250
Median
£75,000
75th Percentile
£100,000
90th Percentile
£130,000