1 to 25 of 28 Contract API Development Jobs in England

largest technology estates in the industry. Role Summary We are looking for a highly skilled Application Developer with strong expertise in identity API development, data ingestion and transformation, and event-driven (Pub/Sub) architectures . This role focuses on building secure, scalable identity and access workflows across … identity life cycle management. Build policy-based orchestration workflows for adaptive authentication and context-aware access using industry standards (like OPA). 2. API Development Design, build, and secure RESTful APIs and Back End services supporting identity, provisioning, and governance workflows. Integrate APIs with our new authentication service ...

responsible for developing and maintaining full-stack solutions, using Python (Flask) on the backend and JavaScript (React) on the frontend. Key skills: Strong Python development experience Hands-on experience with Flask JavaScript & React REST API development and integration Full-stack application development Agile development experience ...

Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Lead Scala Developer join the team. … Responsibilities * Lead and mentor a team of software engineers, providing technical guidance, coaching, and career development support. * Drive technical design discussions and establish development standards, best practices, and coding guidelines. * Review architecture, designs, and code to ensure quality, performance, security, and maintainability. * Collaborate with architects and business stakeholders ...

will design, build and run secure, scalable, cloud-native applications using Java, Quarkus, React and Google Cloud Platform. The role covers the full development life cycle, from design to production support, and carries technical leadership, engineering standards and mentoring responsibility. 2 days per week on-site are required. … mentor engineers What You Will Ideally Bring : 8+ years' software engineering experience, with distributed cloud-native systems Advanced Java (17+), Quarkus, microservices and API development React, TypeScript/JavaScript, HTML5 and CSS3 GCP: Cloud Run, GKE, Pub/Sub, Cloud Build, IAM, Secret Manager Event-driven architecture ...

Contract Type: Contract The Opportunity We are looking for a talented IdAM Application Developer to join our growing team and support the development, deployment, and operation of critical Identity and Access Management (IdAM) and data processing solutions. This is an exciting opportunity to work across a modern technology stack … looking for candidates with experience in: Python development. JavaScript development. Linux administration experience, particularly Red Hat Enterprise Linux (RHEL) or CentOS. Application development and deployment in enterprise environments. Troubleshooting and supporting applications in production. Working collaboratively within Agile or DevOps teams. Strong analytical, problem-solving, and communication skills. Desirable ...

Specialist Remote £640 per day inside ir35 Active SC clearance required - single nationality We're looking for an experienced DevOps Engineer with strong Python development skills to join a major UK Government digital transformation programme. This is a development-focused DevOps role, ideal for someone with strong experience … across Python, Go, AWS, Kubernetes and automation within secure, large-scale environments. Key skills: * Strong Python development - backend systems, APIs, microservices & automation * Go/Golang development experience * AWS - EC2, S3, IAM, CloudWatch & Lambda * AWS SDKs - boto3/aws-sdk-go-v2 * Kubernetes API integration & automation * HashiCorp Vault ...

Description:- Essential Skills & Experience Technical Skills 8+ years of Java development experience. Strong experience with Java 17+. Spring Boot. Spring Data JPA/Hibernate. Microservices architecture. REST API development and integration. PostgreSQL or similar relational database technologies. Docker containerisation. AWS cloud platforms and services. Jenkins CI/… pipelines. Maven. JUnit and automated testing frameworks. Git source control. Agile development methodologies (Scrum/Kanban). Jira and Confluence. Experience Proven experience delivering enterprise-scale Java solutions. Experience reviewing user stories and translating business requirements into technical designs and deliverables. Strong experience working directly with Business Analysts ...

inside IR35 - Umbrella only Required skills Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud native design. C#, .NET 10, REST API development, and enterprise backend engineering. Frontend development with TypeScript, JavaScript or NHS Digital Design System components. Confident and experienced … development agents and tools in daily workflow. Strong understanding of clinical workflows, interoperability patterns, and NHS technical constraints. Experience with regulated healthcare or medical device software (ISO 13485, ISO 14971, IEC 62304). Experience with national NHS APIs such as GP Connect, PDS, PDM, SCR, or BARS referrals. ...

digital transformation programme via a delivery partner and we are looking for experienced Full Stack .NET Developers. You'll be working on the development and enhancement of critical healthcare applications, helping deliver scalable, secure, cloud-native solutions that directly support NHS services and patient outcomes. This is an excellent …/CD pipelines and modern DevOps practices Essential Skills & Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment ...

Duration: 3 months IR35 Status: Outside Our client requires an experienced contract Full Stack .NET Developer to support an established organisation with the ongoing development and maintenance of a enterprise business-critical application. This is a hands-on contract opportunity, ideal for a developer who is comfortable working within … Work with existing codebases, ensuring changes are maintainable and minimise regression risks. Support application testing, bug fixing and controlled releases. Collaborate with the existing development team to deliver requirements efficiently. Provide technical support and troubleshooting for live application issues. Essential Skills & Experience Strong commercial development experience with C# ...

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 ...

delivering enterprise-scale integration solutions. The individual should have extensive hands-on experience with Azure Integration Services, including Logic Apps, Azure Functions, Service Bus, API Management, and REST APIs, alongside a deep understanding of integration patterns and system-to-system connectivity. Key skills required include: * Azure Integration Services (Logic … Apps, Functions, Service Bus, Event Grid, API Management) * Enterprise integration architecture and design * API development, management and integration * System-to-system integration across complex application estates * Azure-native solution design and implementation * DevOps and CI/CD pipelines for automated deployment and release management * Strong troubleshooting ...

delivering enterprise-scale integration solutions. The individual should have extensive hands-on experience with Azure Integration Services, including Logic Apps, Azure Functions, Service Bus, API Management, and REST APIs, alongside a deep understanding of integration patterns and system-to-system connectivity. Key skills required include: * Azure Integration Services (Logic … Apps, Functions, Service Bus, Event Grid, API Management) * Enterprise integration architecture and design * API development, management and integration * System-to-system integration across complex application estates * Azure-native solution design and implementation * DevOps and CI/CD pipelines for automated deployment and release management * Strong troubleshooting ...

IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. … similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands-on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Senior Platform Engineer (Cloud Media Platforms) Job Description ...

/2026 Rate £402 Job Description: Python developer responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands on experience with API development using Python and FastAPI. Strong problem-solving, debugging, and analytical skills. Responsibilities: Design, develop and maintain automation solutions for databases operations … rollouts Build and Integrate API for Database Management Operations and automation workflows Troubleshoot automation issues across scripting, APIs, and containerized environments. Containerize and deploy application/services using Docker and Kubernetes Administration for Kubernetes Resources (Pods, Ingress, Services, Secrets, CRDs, etc) Nice to have Exposure on enhancing observability with ...

capabilities into practical solutions for Security Operations Centres (SOCs). This is a hands-on role focused on prototyping, experimentation and proof-of-concept development - taking ideas from discovery through to working AI solutions that could genuinely augment cyber analysts and operations. You'll work closely with … experience with Generative AI and LLM technologies, ideally alongside an understanding of cyber security operations. You'll ideally bring experience across: OpenAI platform/API development LLMs and Generative AI RAG implementation Prompt engineering and optimisation AI assistants/copilots Agentic AI or multi-agent systems Python development ...

Weeks, 2 Days) Hours: 40 hours/week Rate: 291 PAYE/388 Umbrella Core Technical Stack Programming & APIs: Python, RESTful API development, JSON Schema, Pydantic. AI & LLMs: Gemini, OpenAI, Claude. Frameworks & Orchestration: Google ADK, LangChain, LangGraph. Data & Search: AWS OpenSearch (Indexing and Vector embeddings - Highly emphasized ), Database ...

Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development, SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next or be unblocked … collaboration Tools: Github/Bitbucket, Jira, Confluence, etc The Developer Experience (DevX) Standards and Controls function is building a platform for control owners and development teams to manage/view their compliance with a range of software development controls. The candidate would be working on Kotlin and Java ...

deliver solutions that make a genuine difference to both colleagues and customers. As our Technical Integration Engineer you will: Design, build and maintain API integrations between core business platforms and third-party systems. Develop reliable REST-based and event-driven integrations, ensuring consistent and secure data flows. Support … compliant and scalable. Identify opportunities to improve automation, platform performance and reliability. What We're Looking For You'll bring hands-on experience of API development, system integration and designing robust technical solutions, together with the ability to see the bigger picture when connecting multiple platforms. ...

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 ...

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 ...

Provide technical leadership across SAP integration projects and initiatives. Design, prototype, and implement automation solutions that improve integration delivery. Identify opportunities to streamline SAP development, integration, testing, and deployment processes. Work closely with SAP delivery teams to ensure solutions are practical, scalable, and deliver measurable value. Lead technical proof … concepts and rapid innovation initiatives to evaluate new tools, technologies, and ways of working. Drive adoption of AI-assisted development, automation, and modern engineering practices. Define and measure key performance metrics to demonstrate improvements in delivery speed, quality, and efficiency. Produce technical recommendations, demonstrations, and business cases to support ...

Support production services and contribute to incident resolution. * Work within an Agile & Continuous Integration. Skills and Experience: * Scala * Play Framework or MVC/REST API frameworks * SQL/Databases * AWS * Continuous Integration * Agile methodologies * API design and development * Testing and automation * Production support/SRE awareness ...

experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … Agile delivery environment. Essential Skills & Experience Extensive commercial experience as a Full Stack Developer . Strong expertise in React and modern front-end development practices. Strong experience with C#/.NET and back-end API development. Experience designing and developing enterprise-grade applications. Proven experience working on data ...

experience. This is a full stack role with a Front End bias. This is an opportunity to play a key role in the design, development, and delivery of enterprise-scale solutions, working across both front-end and back-end technologies while contributing to data migration, integration, and technical design … rebuilding, and greenfield UX. Essential Skills & Experience Extensive commercial experience as a Full Stack Developer . Strong expertise in React and modern front-end development practices. Strong experience with C#/.NET and back-end API development. Experience designing and developing enterprise-grade applications. Proven experience working ...