12 of 12 GraphQL Jobs in the South East

Senior Java Engineer - AWS, API - (2 days on site)

Hiring Organisation
Salt Search
Location
South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute to microservices architecture, event-driven systems ...

Senior Full Stack Software Engineer

Hiring Organisation
Bolt Technical Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
platform Audit, refactor, and improve legacy code without full rewrites Introduce modern front-end frameworks (React, Vue, Angular) Design and maintain APIs (REST/GraphQL) Improve performance, security, and scalability Contribute to DevOps, CI/CD, and cloud infrastructure Mentor junior developers and support best practices What Theyre Looking ...

Software Engineer

Hiring Organisation
Tiro Partners
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £280 per day InsideIR35, hybrid working
Desired Skills Degree in Computer Science, Engineering, or equivalent experience Test-Driven Development (TDD), BDD Unit, integration and regression testing Kafka, PostgreSQL, gRPC, Docker, GraphQL Jenkins, JIRA or Rally Git or SVN Tech environment includes: Golang, Java, REST, Git, Jenkins, NoSQL, PostgreSQL, Kafka, Docker. If you are a Golang Software ...

Software Engineer

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
with Design tools (Figma, Sketch) Exposure to JavaScript testing frameworks e.g. Jest, Vitest, Cypress, Jasmine, etc. Knowledge of CI/CD techniques Experience with GraphQL, OpenAPi spec, JSON Schema & SQL/No SQL databases. Familiarity with MonoRepo project structures (TurboRepo) Development of APIs with Python Frameworks e.g. FastAPI Benefits Diamond ...

Platform Developer

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
services and infrastructure behind Ensembls data resources, working closely with experienced engineers and scientists. You will: Develop and maintain backend APIs (eg REST/GraphQL). Contribute to CI/CD workflows, testing, and deployment. Design and optimise database interactions (e.g. MySQL, PostgreSQL, MongoDB). Support containerised services (Docker/ ...

Scientific Team Lead

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
following domains: bioinformatics, genomics, ontologies, functional annotation, and high throughput sequencing analysis, statistics Experience of some of the following technologies: Python, Rust, Perl, GraphQL, JavaScript, TypeScript, Apache, MySQL, PostgreSQL, DuckDB, SQLite Hands on experience working with AI based tools, both as a data provider and their application in the context ...

Lead Android Developer (SDK, MVVM) - Hybrid - Sussex

Hiring Organisation
Salt
Location
East Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
engineer with architectural responsibilities Deep understanding of mobile architecture patterns (e.g. MVVM, Clean Architecture, modularisation) Experience designing and integrating with APIs, including REST and GraphQL (advantageous) Strong knowledge of software engineering best practices including TDD, CI/CD, and secure coding Experience building high-performance, scalable mobile applications with strong ...

API Engineer/Informatics Engineer (Contract)

Hiring Organisation
Sentinel
Location
Barkham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
contract role focused on building robust APIs, optimising data models, and integrating complex scientific datasets across multiple systems. Responsibilities: Design and develop RESTful or GraphQL APIs to expose complex datasets Build and optimise relational data models using ORM frameworks Improve database performance, including query optimisation and indexing strategies Integrate internal ...

Engineering Manager - 12 Month FTC

Hiring Organisation
TPXImpact Holdings PLC
Location
Slough, Berkshire, UK
Technical skills Youre an experienced Fullstack developer with exceptional proficiency in PHP-based CMSes, such as Drupal, and Frontend technologies, including React/Next.js, GraphQL and Storybook You are comfortable working with both monolithic and decoupled architectures You are familiar with the component based approach to build and deliver projects ...

Fullstack Developer

Hiring Organisation
Kiota Recruitment
Location
Eastleigh, ENG, GB, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
platforms. Build and enhance customer facing portals including dashboards, mapping functionality, role based access control and IoT integrations. Develop, maintain and optimise RESTful and GraphQL APIs to support internal systems and third party services. Support the adoption and continuous improvement of DevOps practices including CI and CD pipelines, monitoring … C#. Experience with frontend development using ReactJS. Experience working with cloud platforms, with Azure strongly preferred. Strong background designing and consuming RESTful and GraphQL APIs. Good understanding of data modelling and experience working with SQL, NoSQL or similar database technologies. Demonstrable experience working with DevOps pipelines, CI and CD processes ...

IOS Technical Lead

Hiring Organisation
Salt
Location
Crawley, England, United Kingdom
mobile architecture (MVVM, Clean Architecture, etc.) Drive best practices across engineering including TDD, CI/CD, and code quality Oversee API integrations (REST/GraphQL) and ensure performance optimisation Collaborate with cross-functional teams across product, backend, and DevOps Mentor and lead distributed/offshore engineering teams Required Skills & Experience … Engineer with architectural ownership Deep understanding of modern mobile architecture patterns Experience building scalable, high-performance mobile applications Strong knowledge of API integration (REST; GraphQL is a plus) Experience with modern development practices (CI/CD, TDD, secure coding) Familiarity with reactive programming (Combine, async/await) Experience working with ...

iOS Technical Lead - Inside IR35 - Crawley (hybrid)

Hiring Organisation
Salt
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Contract, Work From Home
mobile architecture (MVVM, Clean Architecture, etc.) Drive best practices across engineering including TDD, CI/CD, and code quality Oversee API integrations (REST/GraphQL) and ensure performance optimisation Collaborate with cross-functional teams across product, backend, and DevOps Mentor and lead distributed/offshore engineering teams Required Skills & Experience … Engineer with architectural ownership Deep understanding of modern mobile architecture patterns Experience building scalable, high-performance mobile applications Strong knowledge of API integration (REST; GraphQL is a plus) Experience with modern development practices (CI/CD, TDD, secure coding) Familiarity with reactive programming (Combine, async/await) Experience working with ...