1 to 25 of 27 Permanent GraphQL Jobs in the South East

Senior Backend Developer - Fintech & Payment Orchestration(High-Risk Payments, iGaming & Fintech)

Hiring Organisation
Payomatix Technologies
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
build, and optimize this infrastructure. Technology Stack (Current & Expected)Backend Node.js (Primary) NestJS/Express.js Python (Microservices/Risk modules) REST & Webhook-based APIs GraphQL (where required) Database PostgreSQL MongoDB Redis (Caching & Queue management) Messaging & Queues Kafka/RabbitMQ Bull Queue (Node-based background jobs) Cloud & Infrastructure ...

Senior Backend Developer - Fintech & Payment Orchestration(High-Risk Payments, iGaming & Fintech)

Hiring Organisation
Payomatix Technologies
Location
Maidstone, Kent, UK
Employment Type
Full-time
build, and optimize this infrastructure. Technology Stack (Current & Expected)Backend Node.js (Primary) NestJS/Express.js Python (Microservices/Risk modules) REST & Webhook-based APIs GraphQL (where required) Database PostgreSQL MongoDB Redis (Caching & Queue management) Messaging & Queues Kafka/RabbitMQ Bull Queue (Node-based background jobs) Cloud & Infrastructure ...

Senior Software Engineer

Hiring Organisation
Candour
Location
Maidstone, Kent, UK
Employment Type
Full-time
Frameworks: C#/.NET Core, React • Databases: SQL & NoSQL • Cloud & Infrastructure: AWS, Azure, GCP, Docker, Kubernetes, CI/CD • Messaging & APIs: Kafka, RabbitMQ, RESTful, GraphQL 2-stage interviews taking place next week! Don't hesitate to apply to this one. Message me for more details ...

Senior Software Engineer

Hiring Organisation
Candour
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
Frameworks: C#/.NET Core, React • Databases: SQL & NoSQL • Cloud & Infrastructure: AWS, Azure, GCP, Docker, Kubernetes, CI/CD • Messaging & APIs: Kafka, RabbitMQ, RESTful, GraphQL 2-stage interviews taking place next week! Don't hesitate to apply to this one. Message me for more details ...

Senior Software Engineer

Hiring Organisation
Candour
Location
Guildford, Surrey, UK
Employment Type
Full-time
Frameworks: C#/.NET Core, React • Databases: SQL & NoSQL • Cloud & Infrastructure: AWS, Azure, GCP, Docker, Kubernetes, CI/CD • Messaging & APIs: Kafka, RabbitMQ, RESTful, GraphQL 2-stage interviews taking place next week! Don't hesitate to apply to this one. Message me for more details ...

Senior Software Engineer

Hiring Organisation
Candour
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Frameworks: C#/.NET Core, React • Databases: SQL & NoSQL • Cloud & Infrastructure: AWS, Azure, GCP, Docker, Kubernetes, CI/CD • Messaging & APIs: Kafka, RabbitMQ, RESTful, GraphQL 2-stage interviews taking place next week! Don't hesitate to apply to this one. Message me for more details ...

Senior Software Engineer

Hiring Organisation
Candour
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Frameworks: C#/.NET Core, React • Databases: SQL & NoSQL • Cloud & Infrastructure: AWS, Azure, GCP, Docker, Kubernetes, CI/CD • Messaging & APIs: Kafka, RabbitMQ, RESTful, GraphQL 2-stage interviews taking place next week! Don't hesitate to apply to this one. Message me for more details ...

Software Engineering Team Lead .NET / C#

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £125,000 per annum
Agile environment Strong expertise in C# and modern .NET/.NET Core Experience building distributed, event-driven systems API design and development (REST, GraphQL) Relational databases (SQL Server, MySQL, or similar) Cloud platforms such as AWS or Azure Solid understanding of the full software development lifecycle Pragmatic, delivery-focused approach ...

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 ...

Developer Golang

Hiring Organisation
CBTS
Location
Slough, Berkshire, UK
Employment Type
Full-time
Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such ...

Full Stack Engineer

Hiring Organisation
Bolt Technical
Location
Milton Keynes, Buckinghamshire, UK
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 They’re Looking ...

AI Solutions Architect - up to £120KBenefits - Hybrid/London

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
assisted development tools Strong knowledge of cloud AI and ML platforms and associated architecture patterns Experience designing and managing APIs including REST and GraphQL Strong understanding of microservices and serverless architectures Practical experience with DevOps and MLOps practices including CI/CD pipelines Knowledge of security frameworks, identity management ...

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 ...

Javascript Developer

Hiring Organisation
Scalers
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
deploy using AWS cloud infrastructure Skills & Experience Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest ...

Javascript Developer

Hiring Organisation
Scalers
Location
Maidstone, Kent, UK
Employment Type
Full-time
deploy using AWS cloud infrastructure Skills & Experience Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest ...

Javascript Developer

Hiring Organisation
Scalers
Location
Woking, Surrey, UK
Employment Type
Full-time
deploy using AWS cloud infrastructure Skills & Experience Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest ...

Javascript Developer

Hiring Organisation
Scalers
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
deploy using AWS cloud infrastructure Skills & Experience Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with Playwright/Cypress/Jest If the above is of interest ...

Senior Software Engineer

Hiring Organisation
hackajob
Location
Southampton, UK
Employment Type
Full-time
with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

Senior Software Engineer

Hiring Organisation
hackajob
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

Senior Software Engineer

Hiring Organisation
hackajob
Location
Brighton, East Sussex, UK
Employment Type
Full-time
with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

Senior Software Engineer

Hiring Organisation
hackajob
Location
Crawley, West Sussex, UK
Employment Type
Full-time
with willingness to learn the other) Advanced experience in Java or Rust (with willingness to learn the other) Familiarity with Python RESTful API and GraphQL development Database design and optimization (Postgres, MySQL, Redis) Experience leveraging AI tools to accelerate development is a plus Soft Skills: Proven ability to lead complex ...

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 ...

Full Stack Web Developer

Hiring Organisation
Felix&Friends
Location
Southampton, UK
Employment Type
Full-time
HTML5, CSS3, JavaScript, React API integration with NextJs frontend Proficiency in working with headless CMS and knowledge of Strapi Understanding of headless architecture and GraphQL knowledge Knowledge of Linux server maintenance, creating staging environments, deploying websites to production. Server-side rendering and static site generation Experience developing responsive design websites. ...

Full Stack Web Developer

Hiring Organisation
Felix&Friends
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
HTML5, CSS3, JavaScript, React API integration with NextJs frontend Proficiency in working with headless CMS and knowledge of Strapi Understanding of headless architecture and GraphQL knowledge Knowledge of Linux server maintenance, creating staging environments, deploying websites to production. Server-side rendering and static site generation Experience developing responsive design websites. ...

Full Stack Web Developer

Hiring Organisation
Felix&Friends
Location
Maidstone, Kent, UK
Employment Type
Full-time
HTML5, CSS3, JavaScript, React API integration with NextJs frontend Proficiency in working with headless CMS and knowledge of Strapi Understanding of headless architecture and GraphQL knowledge Knowledge of Linux server maintenance, creating staging environments, deploying websites to production. Server-side rendering and static site generation Experience developing responsive design websites. ...