9 of 9 GraphQL Jobs in the South East

Senior Software Engineer

Hiring Organisation
Osborne Appointments
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£70000/annum + Benefits
experience with MySQL, including optimisation and performance tuning Experience with modern JavaScript frameworks (React, Vue, Angular etc.) Strong understanding of API design (RESTful or GraphQL) Experience working with Linux environments Familiarity with Git, CI/CD pipelines, and agile methodologies A proactive, solutions-focused mindset with strong problem-solving ability ...

Software Engineer - Java /Back End

Hiring Organisation
Som3
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
principles. PostgreSQL data model - schema design, migration management (Flyway/Liquibase), indexing strategy, and query optimisation. Design, document, and maintain RESTful and/or GraphQL APIs, ensuring consistency, versioning, and thorough OpenAPI/Swagger documentation. Identify, catalogue, and systematically address technical debt in collaboration with the wider Your background ...

SC Cleared AWS API Technical Architect

Hiring Organisation
Hays
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500.0 - £565.00 per day + Up to £565 per day Inside IR35
Gateway, Lambda, Aurora RDS Postgres, EKS, ECR, STS, Route 53, VPC). Kubernetes. CI/CD (e.g. GitHub, Jenkins). Prometheus, Grafana. ELK. Apollo GraphQL, TypeScript. AWS Config, AWS Macie, AWS Guard Duty, AWS Security Hub, Amazon CloudWatch, Amazon CloudTrail. It is not necessary to have experience ...

Senior Back End Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Strong background designing and building distributed systems and APIs Proven experience building or scaling payment, ledger, or transaction systems Experience working with Elixir and GraphQL (strongly preferred) Background in eCommerce or transaction-heavy, real-time platforms operating across regions Ability to evolve existing systems pragmatically in fast-moving environments Comfortable ...

IT Integration Developer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
data flows across disparate systems. You will manage the extraction, transformation, and routing of data working with multiple integration protocols such as REST and GraphQL to ensure reliable and efficient communication. You will be responsible for engineering and maintaining Microsoft-centric middleware solutions using the Azure integration stack, including ...

Backend Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Backend Engineer will have strong API and service development skills Experience working on transaction systems, payments, or eCommerce platforms is required Experience with GraphQL preferred Exposure to Elixir, Go, or similar backend technologies Ability to work effectively in ambiguous, fast-changing environments Code-Writing Contribution Owns and delivers production backend ...

Senior Java Developer (AWS, Java, API) - Sussex - Hybrid

Hiring Organisation
Salt Search
Location
West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
languages Hands-on experience with AWS cloud services (e.g., Lambda, API Gateway, DynamoDB, ECS, S3) Experience developing RESTful APIs Exposure to SOAP and GraphQL services Familiarity with CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline) Knowledge of unit, integration, and automation testing Awareness of security best practices, including … Partner and Vendor Teams (onshore and offshore) Backend Service Development Design, build, and maintain secure, high-performance Java-based microservices Implement RESTful APIs and GraphQL integrations Ensure services are cloud-native, scalable, and resilient in AWS Code Quality, Testing, and Best Practice Write clean, maintainable code following internal coding standards ...

Mobile Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
interactions and purchasing flows Supporting localisation including language, currency, and regional UX Ensuring parity between mobile and web experiences Integrating with backend systems via GraphQL Optimising performance and reliability in real-time environments Key Responsibilities Develop and maintain mobile features across iOS and Android Collaborate with backend and frontend teams ...

Technical Architect

Hiring Organisation
Meritus
Location
Didcot, Oxfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £850/day
flows, including real-time data, metadata, configuration data, and processed experimental data. Assess the suitability of Graph-based API layers and integration models, including GraphQL and federated graph approaches where appropriate. Produce high-level and low-level architectural documentation, diagrams, standards, and technical roadmaps. Define architectural standards for APIs, messaging … architecture. Experience designing and governing large-scale API and integration strategies. Strong understanding of messaging technologies, message brokers, and event-driven architectures. Experience with GraphQL, graph-based architectures, or alternative API gateway and integration approaches. Strong understanding of real-time data flows, data processing pipelines, and distributed data management. Experience ...