Contract GraphQL Jobs in London

9 of 9 Contract GraphQL Jobs in London

AI Solution Architect (AI Agents, Retail / eCommerce)

Central London, London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
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 ❯
Employment Type: Contract, Work From Home
Posted:

Software Engineer 3 (AWS)

Isleworth, London, United Kingdom
Lancesoft Ltd
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 ❯
Employment Type: Contract
Rate: From £450 to £500 per day
Posted:

Senior Backend Developer

London, United Kingdom
Hybrid / WFH Options
Rullion - Eon
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 ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Backend Developer

City of London, London, Farringdon, United Kingdom
Hybrid / WFH Options
Rullion - Eon
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 ❯
Employment Type: Contract
Posted:

Lead Golang Developer Software Engineer Finance Trading London

London, United Kingdom
Hybrid / WFH Options
Joseph Harry Ltd
Lead Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management System Portfolio Golang Go Java AWS Kafka) required by our trading software … Strong ability to lead and take concepts and ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: JavaScript and TypeScript Ag-Grid and GraphQL Python or Java Role: Lead Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile … trading software client in London. You will be leading two small teams to build a new multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL, Playwright, Java, Golang, Kafka and AWS. The hiring manager is flexible on experience. Ideally, you will have some full-stack experience, or have led full-stack teams, but Golang is More ❯
Employment Type: Contract
Rate: GBP Daily
Posted:

Senior Full-Stack Ruby Developer

London, United Kingdom
Hybrid / WFH Options
SR2
experienced Ruby Developers with commercial experience in a full-stack capacity. The ideal candidate will have extensive and demonstrable experience working with Ruby , React , TypeScript , and exposure to ApolloDB, GraphQL and Sidekiq. In this role you will be working with a market leader in Cyber resilience, which has seen incredible growth since its inception less then a decade ago, and … Rails. Particularly beneficial if you have experience working on SaaS platforms. Deep understanding of API integrations , such as RESTful APIs, OAuth, and webhook. Will also require extensive knowledge of GraphQL and ApolloDB Confident in background job processing (Sidekiq/Resque) and asynchronous services. Exposure to containerisation such as Docker and Kubernetes is beneficial. Contract Details Outside IR35 Contract Role More ❯
Employment Type: Contract
Rate: £600/day
Posted:

Ruby Developer

London, United Kingdom
Hybrid / WFH Options
Talent International
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 Back End services and tooling. Solid understanding of JavaScript for Front End integration and broader development needs. Experience with relational databases (eg, PostgreSQL, MySQL More ❯
Employment Type: Contract
Rate: GBP 500 - 550 Daily
Posted:

Solution Engineer - Java Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Technologies Recruitment
5+ years in web, software, or mobile app development Proficiency in Java and at least one of: JavaScript, .NET, PHP, Node.js, Python, Ruby on Rails Experience with REST and GraphQL APIs and web service consumption Knowledge of QuickBooks is highly desirable Background in small business or consumer finance is a plus This is an urgent vacancy where the hiring manager More ❯
Employment Type: Contract
Rate: £300 - £330/day
Posted:

Agentic AI Specialist

London, United Kingdom
Opus Recruitment Solutions
Looking for an AI Engineer specialised in the Agentic AI Space Required Skill Set- Python Machine Learning APIs (TEST, GraphQL) AWS/Azure cloud Experience Data Pipeline tools (Airflow/Prefect) Contract- 6 month contract Outside IR35 1 stage interview 1-2 days on site in London per month More ❯
Employment Type: Contract
Rate: £500 - £550/day
Posted:
GraphQL
London
10th Percentile
£347
25th Percentile
£425
Median
£588
75th Percentile
£691
90th Percentile
£800