1 to 25 of 106 Contract REST Jobs in the UK

Backend Developer (Azure)

Hiring Organisation
Amtis Professional Ltd
Location
Euston, Norfolk, United Kingdom
Employment Type
Contract
Contract Rate
GBP 425 - 475 Daily
within a mature production database. Work on event-driven integrations using Azure Service Bus , including message ingestion, transformation and error handling. Design and consume REST APIs through Azure API Management . Write meaningful automated unit and integration tests as part of the development lifecycle. Own CI/CD pipelines ...

Backend Developer (Azure)

Hiring Organisation
Amtis Professional Ltd
Location
London, Euston, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £475/day OUTSIDE IR35
within a mature production database. Work on event-driven integrations using Azure Service Bus , including message ingestion, transformation and error handling. Design and consume REST APIs through Azure API Management . Write meaningful automated unit and integration tests as part of the development lifecycle. Own CI/CD pipelines ...

Backend Developer (Azure)

Hiring Organisation
Amtis Professional Ltd
Location
Birmingham, Solihull, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£425 - £475/day OUTSIDE IR35
within a mature production database. Work on event-driven integrations using Azure Service Bus , including message ingestion, transformation and error handling. Design and consume REST APIs through Azure API Management . Write meaningful automated unit and integration tests as part of the development lifecycle. Own CI/CD pipelines ...

C# Developer

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with messaging and event-driven technologies such ...

Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£499 - £500/day
with the ability to communicate technical concepts to non-technical stakeholders. The Tech Stack Languages/Frameworks: Java, Spring Boot, Spring MVC Architecture: Microservices, REST APIs Databases: SQL Tools: Git/Bitbucket, Maven/Gradle, Jenkins (or similar CI/CD) IDEs & Management: IntelliJ, Eclipse, or VS Code; Jira ...

AI Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
/Azure OpenAI Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java REST APIs and microservices Software architecture and engineering best practices Desirable Skills Experience with any of the following would be advantageous but not essential : Azure ...

Scala Developer - SC Cleared - Contract

Hiring Organisation
Stealth IT Consulting
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
pipelines and automated testing strategies. Support production deployments and troubleshooting activities. Essential Skills & Experience Strong commercial experience developing applications in Scala . Experience building REST APIs and microservices. Knowledge of functional programming principles. Experience with Akka , Play Framework , or similar Scala ecosystem technologies. Strong understanding of software development best practices ...

Senior Backend Developer (Python) - Remote

Hiring Organisation
IO
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 45 - 50 Hourly
development Troubleshoot performance issues and contribute to architectural decisions Essential Skills & Experience Strong commercial experience with Python Production experience with FastAPI Solid understanding of REST APIs and microservice architectures Experience applying Domain-Driven Design (DDD) Strong SQL skills with PostgreSQL and/or SQL Server Hands-on experience with Neo4j ...

Dynamics 365 CE Developer

Hiring Organisation
Amtis Professional Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure API Management Azure DevOps Git source control REST APIs and integration patterns Secure application development Unit testing frameworks SOLID principles and software design patterns Desirable Experience Healthcare or NHS environments Azure Health Data ...

API / Integration Developer (SC Cleared)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
software development principles. Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. Experience working within ...

Senior Azure DevOps Engineer

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
networking, DNS, certificates, and service-to-service connectivity. Application and API security. Azure Monitor, logging, and operational monitoring. Git-based development workflows. Python and REST API integration experience. Strong documentation and stakeholder communication skills. Desirable Experience Azure DevOps and/or GitHub Actions. Azure Key Vault. Application Insights. Private Endpoints ...

Software Engineer (SAR)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
/CD pipelines and frequent code integration. - Maintain accurate documentation and work tracking within Azure DevOps. Required Skills - Node.js & TypeScript - React & Express.js - REST APIs - Docker - Azure App Services & Azure Functions - Azure DevOps (Repos, Boards & Pipelines) - Azure Kubernetes Service (AKS) - Azure Container Registry - Cosmos DB - Kubernetes & Helm - Elasticsearch & Kibana - Infrastructure ...

Java Developer - Core Banking

Hiring Organisation
Xcede
Location
United Kingdom
Employment Type
Contract, Work From Home
Spring Boot and microservices. Recent experience within core banking, digital banking, payments or financial services. Experience building mission-critical, high-volume transactional systems. Strong REST API and systems-integration experience. Event-driven development experience using Kafka or similar technologies. Strong SQL and relational-database knowledge, such as PostgreSQL or Oracle. ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration patterns Experience working with cloud-native platforms and containerised environments Exposure to AWS, Azure, Kubernetes, Docker, and CI/CD pipelines ...

Software Developer (Node.js & Angular)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
optimise and improve application performance, scalability and reliability Essential Skills Strong commercial experience developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience ...

DevOps Engineer - SC Clear

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day £550 per day via UMB
SageMaker Python scripting and automation Container orchestration platforms Infrastructure security and hardening Cloud networking and connectivity Application Support Knowledge C# .NET JavaScript React REST APIs Microservices architecture COTS Product Experience Supporting Commercial Off-The-Shelf products within secure environments Troubleshooting intelligence, analytical or partner-provided systems Exposure to SOLAR ...

Technical Lead

Hiring Organisation
McGregor Boyall Associates Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
recovery and service resilience activities, including occasional out-of-hours support. Essential Experience Strong commercial experience with Java 11+, Spring Boot, Spring MVC and REST APIs . Experience with OpenShift, Docker, Jenkins and modern CI/CD pipelines . Strong knowledge of JavaScript, Node, Vue, React, Next.js and TypeScript . ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/annum
stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential Skills & Experience Strong commercial experience building enterprise-grade frontend applications using ...

Python Developer

Hiring Organisation
Synergize Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract
experience AWS Cloud Experience working with AWS services and AWS SDKs, particularly Python/boto3. Experience with Kubernetes, GIT, CI/CD Experience developing REST APIs, backend services or automation tooling Experience with HashiCorp Vault Experience with LDAP/Active Directory Experience working on large-scale public-sector technology programmes ...

Full Stack Java Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £500 per day + PAYE holiday
accelerate development Contribute to continuous improvement and engineering best practice What we're looking for Strong commercial Java development experience Spring Boot and REST API development Object Oriented Design and Design Patterns SQL and relational database experience Angular, TypeScript, HTML and CSS (desirable) JUnit, BDD or automated testing frameworks Linux ...

Senior C# Developer .NET 9/10, AWS Lambda, SQS, SNS Outside IR35

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
What Youll Bring: Senior/Staff-level backend mastery in C# and .NET 9/10 , with the ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless engineering: Lambda-first mindset, hands-on experience with API Gateway, SQS, Step Functions, EventBridge and IAM. Deep ...

Pega CSSA (Certified Senior System Architect)

Hiring Organisation
LA International Computer Consultants Ltd
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
development. * Pega Certified Senior System Architect (CSSA) certification. * Strong experience with: o Case Management o Decision Rules o Data Pages o Integrations (SOAP/REST Services) o UI Development o Reports and Dashboards o Pega Best Practices and Guardrails * Experience with Agile/Scrum methodologies. * Knowledge of Java ...

Technical Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day
Node.js Strong hands-on TypeScript and Node.js development Ability to read, debug, review and write production-quality TypeScript API, integration service and serverless development REST API and third-party SaaS integrations Commercetools SDK experience highly desirable Microsoft Azure Strong experience supporting cloud-native applications on Azure Hands-on Azure Functions ...

Senior Developer

Hiring Organisation
SR2 - Socially Responsible Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 625 Daily
delivering software in MOD, Defence Intelligence, National Security or comparable secure environments Proven experience leading agile development teams Strong engineering background across Python, FastAPI, REST APIs, React and TypeScript Experience designing and delivering microservice architectures ...

Senior Java Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Solihull, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£400 - £430/day contract Outside IR35
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/CD pipelines. Maven. JUnit ...