API Design Jobs in the South West

20 of 20 API Design Jobs in the South West

Senior .NET Backend Developer

Gloucester, Gloucestershire, United Kingdom
Hybrid / WFH Options
Navtech, Inc
implementing, and optimizing SaaS applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software development lifecycle, including estimation, design, coding, test automation, code reviews, deployment, and support. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop … testing, covering both functional and non-functional aspects Hands-on experience with Python in testing area Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and good understanding of Entity Framework Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker … field Proficiency in English spoken and written Nice-to-Haves: Hybrid work environment with up to 2 days working from home weekly Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Deep expertise in implementation of automated functional tests using Python Broad and in-depth understanding of software testing concepts and methodologies, including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior-Intermediate .NET Backend Developer

Gloucester, Gloucestershire, United Kingdom
Hybrid / WFH Options
Navtech, Inc
team, you will actively participate in the software development lifecycle. Your primary focus will be on coding, implementing features, and contributing to test automation, while also being involved in design discussions, code reviews, and deployment processes. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and … and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and understanding of Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands … on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools Expertise in implementation of automated functional tests using Python Understanding of software testing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

AI Software Developer in Park Street - Hays

Park Street, Hertfordshire, United Kingdom
Java Script Works
Skills Required: Experience in Protocol, API design, and cloud platforms such as GCP and Azure.Proficient in containerization and orchestration (Docker, Kubernetes), version control (Git, BitBucket), and CI/CD pipelines.Strong foundation in software design patterns and data structures.Minimum of 5 years in solution architecture or software engineering.Strong proficiency in modern programming languages including Python, JavaScript, TypeScript, Java More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Developer - GIS Visualisation Platform

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
City Science
responsive, interactive user interfaces Backend : Node.js with Express framework Database : PostgreSQL with PostGIS extensions for spatial data management GIS : Modern geospatial libraries and mapping technologies Key Responsibilities Backend Development Design and implement robust APIs for geospatial data processing and visualisation Optimise database queries and spatial operations using PostgreSQL and PostGIS Build scalable microservices architecture to handle large datasets Implement … tests Implement automated testing pipelines using modern testing frameworks Establish QA processes and best practices across the development lifecycle Mentor team members on testing methodologies and code quality standards Design and implement performance testing for geospatial operations Technical Leadership Take ownership of backend architecture and drive technical decisions Collaborate with frontend-focused team members to optimise API design … backend development experience with Node.js Strong experience with PostgreSQL, including complex queries and performance optimisation Hands-on experience with PostGIS or other spatial database technologies Solid understanding of RESTful API design and implementation Experience with testing frameworks (Jest, Mocha, Cypress, or similar) Proficiency with Git version control and collaborative development workflows QA & Testing Focus Experience implementing automated testing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back End .Net Developer

Trowbridge, Wiltshire, United Kingdom
Wiltshire Farm Foods
a clear understanding of modern dotnet, C# and Entity Framework. Experience with using OAuth2.0 would be welcomed. You will be involved in all stages of software development, from architecture design, through deployment to performance evaluation in production. You should be self-motivated and capable of delivering timely, quality work against deadlines with little supervision. About Our Stack To give … teams outside of IT to improve your understanding of business & customer challenges. Stay up-to-date with the latest industry trends, technologies, and development practices related to dotnet and API development. Qualifications/Personal Qualities Essential: Minimum 5 years of commercial experience as a backend software development. Proven experience in C# programming language and .NET framework Strong understanding of … RESTful API design principles Experience with Entity Framework for data access and object-relational mapping (ORM) Commercial track record of ASP.NET Web API for building APIs Experience in a workplace setting with Azure services such as Application Insights, Azure Web Apps, and Azure SQL Database Familiarity creating and managing CI/CD pipelines and source control management More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back End .Net Developer

Trowbridge, Wiltshire, United Kingdom
apetito
with a clear understanding of modern dotnet, C#, and Entity Framework. Experience with OAuth2.0 is a plus. You will be involved in all stages of software development, from architecture design through deployment to performance evaluation in production. You should be self-motivated and capable of delivering timely, quality work against deadlines with minimal supervision. Our Tech Stack Our core … and seek out learning opportunities. Collaborate with other teams to improve understanding of business and customer needs. Stay updated with industry trends and best practices related to dotnet and API development. About You Essential: At least 5 years of commercial backend development experience. Proven expertise in C# and .NET framework. Strong knowledge of RESTful API design. Experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior software engineer (Back-end)

Bath, Somerset, United Kingdom
Seccl Technology Limited
can be themselves - and speak up. Check out our Glassdoor page for the latest reviews or our LinkedIn for company updates and insights from the team. Our engineering Our API design concepts. Our product and engineering department is split into four tribes: Custody; Accounts; Customer Enablement; and Cloud. Each tribe is comprised of multiple teams, each owning a … a squad engineering manager, a product manager and 3-5 engineers with tailored skillsets to the specific domain. Our current technology stack is AWS serverless products ( Lambda , SQS , EventBridge , API Gateway , S3 ) running Typescript on the compute layer and backed by MongoDB for the database layer. We have some C# services and are expanding out into other AWS products … for our incident management process. For more detailed information, feel free to ask for our tech radar and engineering practices. The role The purpose of this role is to design, build and operate reliable and scalable software solutions, building new functionality using Typescript and Node.js. You play a key role in our software development and have a hands-on More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineering Manager (Active Savings)

Bristol, Avon, South West, United Kingdom
Hargreaves Lansdown
25+), balancing delivery and innovation. Strong engineering background with the ability to communicate architectural decisions to both technical and non-technical stakeholders. You create guardrails based on scope, technical design, NFRs, and quality-then empower your team to innovate within them. Client- and product-focused mindset, with experience partnering closely with Product Managers and business teams. You embrace ambiguity … foster collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel is a great plus. Experience leading engineering efforts across legacy and modern technology stacks. Excellent More ❯
Employment Type: Permanent
Posted:

Typescript/Ruby Engineer

Swindon, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Bristol, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Bournemouth, Dorset, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Bath, Somerset, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Plymouth, Devon, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Exeter, Devon, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Cheltenham, Gloucestershire, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

Gloucester, Gloucestershire, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

Typescript/Ruby Engineer

South West London, UK
IO Associates
You'll join a product-focused team working across the full stack - primarily with TypeScript , Ruby , and AWS - to build and scale systems that underpin our international growth. From API design to infrastructure, you'll own meaningful projects and contribute to a platform that impacts millions. This is a high-impact individual contributor role with opportunities to lead More ❯
Posted:

C# Software Engineer

Gloucester, Gloucestershire, United Kingdom
iO Associates
role you will be responsible for full lifecycle development across greenfield and existing projects. Essential Skills C# (.NET) - backend and some frontend SQL - data handling and queries RESTful APIs - design and integration SDLC understanding - Agile or similar Unit, system, and integration testing CI/CD pipeline experience Desirable NuGet, Blazor Server, PKI Auth Migrating legacy codebases Developing shared libraries More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

React Native Developer

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
Consortia Group
tools for complex industries. As a React Native Developer, you will lead the development of intuitive mobile apps that empower users to manage high-value operations efficiently. From system design to deployment, your work will have direct impact on planning, coordination and execution at scale. You will primarily focus on the mobile front end using React Native and Expo … but this is not a siloed role. You will also contribute across the stack, collaborating on REST API design, integrating backend systems using Node.js, and ensuring the delivery of seamless user experiences powered by robust data services. What is on offer: Autonomy to shape the mobile architecture of a growing SaaS product The opportunity to solve meaningful, real … architects A focus on engineering quality, learning and scalable systems What you will be doing: Building and maintaining the mobile application using React Native and Expo Collaborating on REST API integration and backend services in Node.js Working with SQL databases and contributing to backend data flow Supporting UI and UX teams to translate user needs into reliable mobile solutions More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
API Design
the South West
10th Percentile
£43,612
25th Percentile
£68,989
Median
£85,253
75th Percentile
£140,677