1 to 25 of 128 Contract REST Jobs

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 ...

Senior Java Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £890/day Up to £890 Umbrella
practices. Key Requirements 7+ years of Java backend development experience. Advanced expertise in Java, Spring Boot and microservices architecture. Strong experience designing and developing REST APIs and distributed systems. Experience with Oracle, SQL/NoSQL databases and data modelling. Experience with Kafka, RabbitMQ or other event-driven messaging technologies. Strong ...

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 ...

.NET Developer

Hiring Organisation
Response Informatics
Location
Taunton, Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
applications on Microsoft Azure. Experience with Azure PaaS services such as: App Services Azure Functions Storage Accounts Service Bus Azure Key Vault Experience implementing REST APIs and service integrations. Strong understanding of object-oriented design principles and software engineering best practices. Experience with Git-based source control workflows. Familiarity with ...

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 ...

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 Data Software Engineer

Hiring Organisation
Contechs Consulting
Location
Göteborg, Sweden
Employment Type
Contract
entitlement, metering, billing support, and monitoring in AWS environment - Design and implement secure OAuth 2.0/OIDC and system-to-system integration patterns - Develop REST APIs and integration services for external customers and partners - Implement logging, monitoring, alerting, tracing, and service health checks -Troubleshoot issues in APIs, microservices, deployments ...

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 . ...

Python Software Engineer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
working with container technologies such as Docker and Kubernetes. Strong understanding of cloud architecture, infrastructure automation and DevOps best practices. Experience building and consuming REST APIs and microservices. Comfortable working across both application development and cloud infrastructure. Experience using Git and working within Agile delivery teams. Previous NHS or Central ...

Software Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
months with possible extensions Location: mostly remote, with occasional requirement in Edinburgh or Glasgow Key Responsibilities Design, develop and support modern web applications and REST APIs using Java, Spring Boot and React . Deliver secure, scalable and maintainable solutions within an OpenShift environment. Enhance automation capabilities, case management solutions ...

Senior Application Security Consultant (SAST/DAST/OWASP )

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
across multiple technology programmes. Essential Skills Application Security Secure Software Development Lifecycle (SSDLC) OWASP Top 10 Secure Coding Secure Design Reviews API Security REST APIs Microservices Security Application Security Risk Assessments Threat Modelling STRIDE MITRE ATT&CK Security Architecture Risk Assessments DevSecOps CI/CD Security GitHub Actions GitLab Jenkins ...

Full Stack Developer (Camunda)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£542 per day
Extensive experience designing and implementing solutions using Camunda (ideally Camunda 8). · Strong Java development experience, including Spring Boot, JPA, Hibernate, JUnit, Mockito, and REST API development. · Front-end development expertise using React JS, Redux, JavaScript, HTML, CSS, and Axios. · Experience working with SQL databases, preferably MS SQL, and microservices ...

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 ...

Multiple Java Developers - Contract

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £850 per day
automated deployment Support production systems and continuous improvement What we're looking for Strong commercial Java development experience Spring Boot and Microservices REST API development SQL and database design Oracle experience Unix or Linux JUnit and automated testing Git version control Kafka or RabbitMQ (desirable) AWS, Azure or GCP exposure ...

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 ...

Java Full Stack Engineer

Hiring Organisation
Third Nexus Group Limited
Location
London, United Kingdom
Employment Type
Permanent, Contract
Salary
£50000 - £90000/annum
Current SC Clearance required Requirements Develop Support Java full-stack IAM applications APIs Microservices Secure DevOps-based releases Technical Skills required Java Spring Boot REST APIs AWS/Azure Angular/React microservices SQL OAuth2/OIDC unit testing secure coding CI/ ...

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 ...

x2 D365 CE Developers

Hiring Organisation
Experis
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
Apps, Function Apps and Service Bus API Management, Storage Accounts, App Insights or Key Vault Azure DevOps, pipelines, repos and releases Git source control REST APIs, messaging and integration patterns Secure development practices, including OAuth and API security Useful additional experience Infrastructure as Code, such as Bicep, Terraform ...