4 of 4 Contract API Development Jobs in London

Lead Software Engineer (Node)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day + Inside IR-35
building and enhancing modern applications, APIs, and cloud-native services, whilst mentoring developers and promoting engineering best practice. Key Responsibilities Lead the design and development of robust, scalable software solutions Drive technical decision-making and provide guidance to development teams Develop and maintain RESTful APIs and microservices Build … quality, automated testing, and CI/CD best practices Support deployment, containerisation, and platform optimisation activities Essential Skills & Experience Strong commercial experience with Node.js API development using REST and OpenAPI Web application development using HAPI Database expertise across PostgreSQL , MongoDB , and Redis Unit testing with Jest ...

AI Platform Engineer (Sharepoint, OpenAI)

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day £480 p/d Inside IR35
ready solutions including testing, CI/CD, logging and documentation. - Provide technical leadership and mentorship to a junior engineer. Essential Skills & Experience - MCP server development and AI agent tooling - Azure OpenAI, Azure AI Search, RAG and prompt engineering - SharePoint Online and Microsoft Graph API - Hybrid semantic/vector … search - Enterprise API development and document processing - Azure (Functions and/or Container Apps) - Entra ID and OAuth/OIDC- CI/CD, testing and production support - Software engineering experience, ideally using Python and/or C#/.NET Desirable Skills - Microsoft 365 Copilot - Microsoft Purview - Enterprise knowledge ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...