26 to 50 of 488 GraphQL Jobs

Software Architect / Senior Developer

Location
Horsham, England, United Kingdom
Experience in the cybersecurity, forensics, or defense technology sectors Understanding of database design and data architecture patterns Experience with API design and RESTful/GraphQL architectures Knowledge of performance optimization and scalability patterns Formal architecture training or certifications (e.g., TOGAF, AWS/Azure Architect certifications) #J-18808-Ljbffr ...

Senior Backend Developer

Location
Glasgow, Scotland, United Kingdom
Full-time Senior Backend Developer Location: Scotland Responsibilities: Designing and implementing scalable backend architectures using Python, Java, C#, or Node.js. Developing RESTful APIs and GraphQL endpoints to support frontend applications. Integrating with various databases including SQL Server, MySQL, PostgreSQL, MongoDB, and Redis. Deploying and managing applications on cloud platforms such ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
Excellent problem‐solving, communication, and collaboration skills. Desired: Experience with microservices and event‐driven architectures. Experience with AI‐assisted design and coding. Knowledge of GraphQL and WebSockets. Familiarity with observability tools such as OpenTelemetry and Grafana. Experience with Infrastructure as Code (Terraform). Understanding of financial markets or trading systems. ...

Fullstack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour Inside IR35 via Umbrella
/CSS, and frameworks like React or Vue.js. Backend: Hands-on expertise with Java or Java-based frameworks and building/consuming REST or GraphQL APIs. Agentic AI: Direct experience implementing software features with Agentic AI workflows and integrating end-user AI solutions. Cloud Infrastructure: Hands-on skill with ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
ownership are valued, this is a great opportunity. Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
skills (SQL).* Excellent problem-solving, communication, and collaboration skills.Desired* Experience with microservices and event-driven architectures.* Experience with AI assisted design and coding.* GraphQL, and WebSockets.* Knowledge of observability tools (e.g., OpenTelemetry, Grafana).* Familiarity with Infrastructure as Code (Terraform).* Understanding of financial markets or trading systems.* Contribution ...

Lead Software Engineer - Full Stack, Java & React

Hiring Organisation
JP Morgan Chase
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 80 K
building services with Spring BootHands-on experience building modern frontend applications using React with TypeScriptExperience building and consuming APIs (REST and/or GraphQL) and integrating with downstream systemsExperience with relational databases and SQLWorking knowledge of search/indexing concepts, including designing and querying Elasticsearch indexesProficiency across the full software ...

Engineer/Sr Engineer, IT Software

Hiring Organisation
American Airlines
Location
Tulsa, Oklahoma, United States
Employment Type
Permanent
Salary
USD Annual
Technologies: Kubernetes, Docker Source Control: GitHub, Azure DevOps CICD: GitHub Actions, Azure DevOps Data management: PostgreSQL, MongoDB, Redis Integration/APIs Technologies: Kafka, REST, GraphQL Cloud Providers: Azure and AWS Test Automation: Selenium, TestNG, Postman, SonarQube, Cypress, JUnit/NUnit/PyTest, Cucumber, Playwright, Wiremock/Mockito/Moq Ability ...

Engineer/Sr Engineer, IT Software

Hiring Organisation
American Airlines
Location
Fort Worth, Texas, United States
Employment Type
Permanent
Salary
USD Annual
Technologies: Kubernetes, Docker Source Control: GitHub, Azure DevOps CICD: GitHub Actions, Azure DevOps Data management: PostgreSQL, MongoDB, Redis Integration/APIs Technologies: Kafka, REST, GraphQL Cloud Providers: Azure and AWS Test Automation: Selenium, TestNG, Postman, SonarQube, Cypress, JUnit/NUnit/PyTest, Cucumber, Playwright, Wiremock/Mockito/Moq Ability ...

Lead Software Engineer

Hiring Organisation
Arrows
Location
United Kingdom
stack you might use: Languages/runtimes: .NET Core, Node.js, Python, Java/Kotlin Infrastructure: Kubernetes, Terraform, infrastructure-as-code Frontend: TypeScript, React, GraphQL, Apollo Cloud (AWS): Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis ...

Senior .Net Developer

Hiring Organisation
YourCode Recruitment
Location
Wakefield, West Yorkshire, United Kingdom
Salary
£ 60 K
REST, JSON, WebAPI, and authentication servers.Experience working with GIT and message/event bus systems.Excellent communication and problem-solving skills.Desirable:Experience with TypeScript, GraphQL, AWS, or Azure.Knowledge of Mediator design pattern, NoSQL databases, or Elasticsearch.Familiarity with GitLab, Azure DevOps, or JIRA.What’s On OfferSalary up to £65,000Hybrid working (office ...

Senior .Net Developer

Hiring Organisation
YourCode Recruitment
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
WebAPI, and authentication servers. Experience working with GIT and message/event bus systems. Excellent communication and problem-solving skills. Desirable: Experience with TypeScript, GraphQL, AWS, or Azure. Knowledge of Mediator design pattern, NoSQL databases, or Elasticsearch. Familiarity with GitLab, Azure DevOps, or JIRA.What's On OfferSalary ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Full Stack Engineer. 5+ years of relevant experience in coding in Typescript/JavaScript, using Node.js to architect and create REST and/or GraphQL APIs. Preferred experience working with eCommerce systems and platforms. Strong technical experience in modern front-end Typescript/JavaScript libraries and frameworks such as React.js. ...

AWS Cloud Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Have AWS certifications (Solutions Architect, Developer or SysOps) Software engineering experience in Python Experience developing frontend applications using React and TypeScript Experience with GraphQL and REST APIs Experience running production workloads on EKS Experience with serverless technologies such as AWS Lambda Experience with Datadog, Prometheus, Grafana or New Relic Exposure ...

Senior Software Developer (.NET)

Hiring Organisation
Yolk Recruitment Limited
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£55,000
mentoring others. Strong communication skills, able to engage both technical and non-technical stakeholders. Experience working in agile teams. Desirable Microsoft Azure certifications. GraphQL (e.g. HotChocolate). Exposure to Kafka or other event-driven platforms. Knowledge of DevOps/IaC (Docker, Azure DevOps). Familiarity with Azure observability, identity ...

Senior Forward Deployed Engineer

Location
Greater London, England, United Kingdom
/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack) and Agent/Workflow ...

Principal Software Engineer - Java - Global Technology Asset Management

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
server-side languages and frameworks (e.g. Java/SpringBoot)Experience building solutions on at least one Cloud platform (e.g. AWS) using integration technologies (e.g. GraphQL, REST etc..) and NoSQL/SQL database technologies (e.g. PostgreSQL, TigerGraph etc..)Solid understanding of agile methodologies such as CI/CD, Applicant Resiliency ...

Lead Software Engineer, Pub Admin

Location
Greater London, England, United Kingdom
areas: Experience implementing distributed systems Experience in a scripting language (we use Python and JavaScript) Experience building frontend applications (we use TypeScript, React, and GraphQL) Experience with various database technologies and query languages (we use Neo4j, Kafka, MySQL, Snowflake, OpenSearch, and more) Familiar with low-latency techniques to help improve ...

Senior Forward Deployed ML Engineer, Agents

Location
Greater London, England, United Kingdom
500ms latency, natural conversation flow, turn detection, and interruption handling in real-time systems Integrate agents directly into customer codebases via REST/GraphQL/WebSocket APIs and custom SDKs (Python, TypeScript) Act as trusted technical advisor to customers, shaping AI strategy and guiding roadmap decisions from concept to production ...

Senior Full Stack Software Engineer

Location
United Kingdom
build trust quickly across engineering, product, and leadership. Preferred Qualifications Experience at an early-stage startup as a senior individual contributor. Familiarity with GraphQL, Terraform, or CI/CD pipeline design. Experience integrating LLMs or building AI-powered product features. Exposure to climate, sustainability, or deep-tech domains. Degree ...

Staff Software Engineer

Hiring Organisation
Harness
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
users* 7+ years experience developing highly scalable, distributed applications, products and services in Java and Golang* Designing/developing REST, GRPC and GraphQL APIs* Working knowledge of SQL and No-SQL database technologies* Solid foundation in data structures, algorithms and software design with strong analytical and debugging skills* Experience ...

Forward Deployed Solution Engineer – Applied AI FDE

Hiring Organisation
Moveworks
Location
London, United Kingdom
Salary
£ 80 K
design and implement AI-native software in production environments Engineering depth: Strength in backend (Python, Node.js, Java), frontend (React, Angular), APIs (REST/GraphQL) LLM tooling: Familiarity with LangChain, Semantic Kernel, prompt chaining, vector search, and context management Performance & observability: Skilled in debugging distributed systems, tuning for latency, and implementing ...

Senior Ruby on Rails Developer

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
product-centric environments. Key requirements: Ruby & Ruby on Rails Full-Stack Engineering: JavaScript, TypeScript, React, Hotwire, Stimulus Node.js & React exposure beneficial API Design: REST, GraphQL, external integrations Data Stores: PostgreSQL, MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec ...

Golang Engineer

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£67,832
developing technical skills. Desirable Skills: Experience with Docker and Kubernetes . Knowledge of Java or another backend programming language. Experience with gRPC or GraphQL . Experience working with cloud technologies. Contributions to open-source projects. Why Apply? This is a strong opportunity for a Golang Engineer/Go Developer ...

Senior Full Stack Developer (C#/React/TypeScript) - REMOTE working

Location
Greater London, England, United Kingdom
architecture. Docker, Kubernetes in Azure, Vercel. Jenkins/BitBucket Pipelines for CI/CD. RabbitMQ/MassTransit. Microfrontends. Test Driven Development. RESTful API design. GraphQL APIs. Integrations with third-party APIs and SaaS platforms. Benefits Competitive salary and benefits package REMOTE working Holiday allowance 50% staff discount & 25% for family ...