1 to 25 of 83 GraphQL Jobs in London

and integrating AI services into enterprise applications. Key Responsibilities: Architect and design AI-powered agent solutions that integrate with enterprise systems and cloud platforms. Develop and optimize RESTful and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js, Express, TypeScript …/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. Knowledge of microservices architecture, containerization (Docker, Kubernetes), and event-driven patterns. Strong understanding of API design, including REST, GraphQL, and WebSockets. Familiarity with DevOps practices, CI/CD pipelines, and infrastructure-as-code (Terraform, AWS CDK). Excellent problem-solving skills and ability to translate business requirements into technical More ❯

for improving coding and development practices. You have worked with microservices communicating over a range of interfaces. You understand how the web works, REST APIs, OpenAPI spec/Swagger, GraphQL, and the difference between REST and RPCs. You understand TDD, BDD, unit testing, integration testing and when to use them. You are familiar with trunk-based development in git. Experience More ❯

DevOps - Manage deployments, CI/CD pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management - Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and … MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring junior engineers. Hands-on experience with cloud platforms (AWS, Azure, or GCP) and DevOps practices. Agile development experience with CI/CD pipelines, Git, and containerisation (Docker). Desirable: Arabic language skills to support the platforms More ❯

DevOps - Manage deployments, CI/CD pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management - Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and … MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading a development team and mentoring junior engineers. Hands-on experience with cloud platforms (AWS, Azure, or GCP) and DevOps practices. Agile development experience with CI/CD pipelines, Git, and containerisation (Docker). Desirable: Arabic language skills to support the platform More ❯

proficient in English, written and spoken. Proficiency with TypeScript, Next.js, Node.js and React Native. Experience deploying to Google Cloud, Vercel, or other cloud providers. Comfort working across REST, WebSockets, GraphQL, or gRPC APIs. Ability to architect and maintain scalable, secure systems with a clean codebase. Experience working with CI/CD pipelines, version control (Git), and Agile methodologies. Organised, detail More ❯

identify and address potential issues or opportunities. Strong written and verbal communication skills for presenting findings to stakeholders. Nice-to-Have Skills Knowledge of API development with REST or GraphQL . Understanding of event-driven architectures and message queues (e.g., Kafka , RabbitMQ ). Knowledge of performance optimization tools and strategies for backend systems. Familiarity with testing frameworks (e.g., Jest , Cypress More ❯

Head of Data & Analytics Architecture and AI page is loaded Head of Data & Analytics Architecture and AI Apply locations Chiswick Park time type Full time posted on Posted 30+ Days Ago job requisition id JR19765 Want to help us bring More ❯

System design : Architect and implement scalable solutions within our 40+ microservice ecosystem, ensuring proper service boundaries and communication patterns Cross-stack development : Work across our full technology stack - from GraphQL APIs and gRPC services to mobile apps and infrastructure-as-code Code quality & mentorship : Drive code quality standards, conduct thorough code reviews, and mentor junior engineers on best practices and … and development, so you will have opportunity to get to grips with new technologies. Backend & Microservices Go - Primary language for our 40+ microservices gRPC & Protocol Buffers - Inter-service communication GraphQL - Client-facing API gateway MySQL, PostgreSQL, Redis - Data storage and caching Google Cloud Pub/Sub - Event-driven architecture Frontend & Mobile TypeScript - Primary frontend language React & Next.js - Web applications React … Native & Expo - Mobile applications CSS, CSS-in-JS - Styling GraphQL Codegen - Type-safe API integration Artificial Intelligence OpenAI & Gemini - We use OpenAI models to ease our internal teams workflows, as well as automating some time intensive manual tasks. We're looking to bring AI to the forefront of our operational workflows. Infrastructure & DevOps Kubernetes - Container orchestration Docker - Containerisation Terraform - Infrastructure More ❯

Our Tech Environment Full-stack, cross-functional teams, working closely with people of different specialisms within your team and across the business. AWS, Serverless, Terraform, C#, .NETCore, TypeScript, Node.js, GraphQL, React, Snowflake, Docker, Grafana GitHub for source control and continuous integration Developing solutions using Generative AI models Robust and performant cloud/serverless applications, with a focus on user experience More ❯

Existing experience or ability to very quickly pick up JavaScript/Typescript. It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc Responsibility for reviewing and testing your own and teammates code Restless attitude and a drive to always make things better and quicker Passion for technology More ❯

knowledge using Node.js , with full-stack ability in React Cloud experience, ideally with AWS (Lambda, EKS, RDS) and Kubernetes Exposure to AI tools or automation workflows (desirable!) Familiarity with GraphQL , CI/CD, and Infrastructure as Code (Terraform) A passion for clean, scalable architecture and leading by example If you are passionate about writing quality code and leading a high More ❯

GitHub). Strong communication skills with an ownership mindset and a focus on delivering high-quality outcomes. Desirable Experience (Nice to have): Experience with AWS, Tailwind CSS, PostgreSQL, Express, GraphQL, Terraform, .NET Core, or C#. Familiarity with multi-tenanted architecture and accessibility standards. Knowledge of mobile application development. Enthusiasm for using AI development tools (such as AI-powered IDEs) and More ❯

Mid to Senior Software Engineer We're looking for enthusiastic backend software engineers who are passionate about building great products. Now is the time more than ever to revolutionise the energy industry to ensure its stability, affordability, and sustainability. If More ❯

Experience: Strong commercial experience as a Ruby Developer, with a proven track record of delivering complex projects. Demonstrable strong experience working on APIs, including design, development, and integration (RESTful, GraphQL). Proficiency in Node.js for specific backend services and tooling. Solid understanding of JavaScript for front-end integration and broader development needs. Experience with relational databases (e.g., PostgreSQL, MySQL). More ❯

Experience: Strong commercial experience as a Ruby Developer, with a proven track record of delivering complex projects. Demonstrable strong experience working on APIs, including design, development, and integration (RESTful, GraphQL). Proficiency in Node.js for specific backend services and tooling. Solid understanding of JavaScript for front-end integration and broader development needs. Experience with relational databases (e.g., PostgreSQL, MySQL). More ❯

ensure efficiency and scalability. Skills & experience we are looking for: Tech Stack Expertise - Skilled in TypeScript (Node.js mainly but also React) & Cloud technologies such as AWS. Familiarity of Kubernetes, GraphQL, Kafka, and Mongo would be desirable. Leadership Experience - You have a strong track record in designing large-scale, cloud-based distributed systems and have previous experience leading an engineering team More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract More ❯

problem solve and quickly create awesome prototypes and user based solutions. Implement and maintain our design systems, component libraries and UI frameworks (e.g. ChakraUI, Tailwind). Develop and integrate GraphQL APIs to improve data efficiency and performance. Deploy containers using Docker, contributing to a smooth CI/CD workflow. Open to learning new technologies and best practices as the business … Deep expertise in modern web development technologies: TypeScript, ReactJS, NextJS, and NodeJS. Experience working with CSS, component libraries and design systems (ChakraUI, Tailwind or similar). Some knowledge of GraphQL for API development and integration. Proficiency with Docker and containerisation. A continuous learning mindset and adaptability in a fast-paced, evolving startup environment. Genuine excitement at the opportunity to work More ❯

offered by AWS like DynamoDB. We're big fans of using the right tool for the job. The main product frontend is all Typescript/React that talks to GraphQL backends. Other parts of the business use React/NextJS or even Svelte. We've spent time looking at maturing technologies like Web Components and have some ideas on improving … and Facebook, but we also envision integrations with systems like eBay messages or Apple/Google app stores. We'll be able to process any kind of communication. New GraphQL API backends. More ❯

software engineering. Testing and validation : Develop comprehensive unit and integration tests to ensure the reliability and accuracy of our AI retrieval systems. API development : Build and maintain REST and GraphQL APIs using frameworks like FastAPI and Flask to expose our AI retrieval capabilities to other services and applications. Streaming and cancelable endpoints : Implement streaming responses and cancelable endpoints to support … and performance profiling : Proficient in using tools like tracemalloc and cProfile to identify and optimize memory usage and performance bottlenecks. API development : Experienced in developing and maintaining REST and GraphQL APIs using frameworks like FastAPI and Flask. Streaming responses and cancelable endpoints : Capable of implementing streaming responses and cancelable endpoints to support real-time and interactive use cases. Preferred skills More ❯

to reducing customer issue resolution time What You'll Bring Essential Requirements Full-stack development experience with proven ability to ship production applications Strong API development expertise including REST, GraphQL, and third-party integrations Proficiency in JavaScript, HTML, and CSS with modern framework experience Database design and implementation experience (SQL and NoSQL) Experience building and deploying scalable web applications in More ❯

up delivery, reduce risk and provide maximum value to the end users Knowledge of the Trading business domain Knowledge or application of the Scaled Agile Framework (SAFe) Experience of GraphQL and subscription based streaming Actor frameworks like DAPR, AKKA, Orleans Job Band & Level: Not The Perfect Fit? Concerned that you may not meet the criteria precisely? At TP ICAP, we More ❯

The tech stack is React Native mobile app , some React web frontends , and a Serverless Lambda backend on AWS . We're using Typescript top to bottom , and Apollo GraphQL sits in the middle. We keep our data in DynamoDB , Postgres and snowflake for our data-lake using one or the other as best suits a particular workload. You can More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract More ❯