1 to 25 of 106 Contract REST Jobs

Software Developer (Java & Typescript)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
. Strong commercial experience developing applications using Java . Strong experience developing services and APIs using TypeScript and Express.js . Experience building and supporting REST API and micro service-based architectures. Strong understanding of secure software engineering principles and best practices. Experience with version control, automated testing and code quality ...

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
design documentation What you'll bring Active SC clearance (essential) 3+ years' experience as a Java Developer (Java 8+) building microservices Strong Spring Boot, REST API design and SOAP/WSDL/XML experience TDD and BDD experience using JUnit and Cucumber Docker, Kubernetes, Jenkins, CI/CD and SonarQube ...

Net / React Developer

Hiring Organisation
Experis
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
using React. Strong experience with TypeScript. Previous experience within Financial Services, Banking, Consumer Finance, Insurance, or other highly regulated environments. Experience developing and consuming REST APIs. Experience with SQL and/or NoSQL databases. Experience with Docker and Kubernetes. Experience working with AWS and/or Azure. Strong understanding ...

Principle Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based data analysis tooling Architecture & Governance Enterprise ...

Back-End Java Developer

Hiring Organisation
Spencer Rose
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£420 - £430/day Inside IR35
soon as today Java (8/11/17+) with strong hands-on experience in enterprise application development. Microservices Architecture using Spring Boot, REST APIs, and distributed system design. Apache Kafka for event-driven architecture, messaging, and asynchronous processing. Google Cloud Platform (GCP) including deployment, monitoring, and cloud-native services. ...

Software Engineer - Java

Hiring Organisation
Spencer Rose
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£380 - £400/day Inside IR35
quality automation. Software Engineer - Java Key Skills & Experience Strong hands-on experience with Java 11+, Spring and Spring Boot 3.x. Experience developing microservices, REST APIs, Apache Kafka and Kafka Streams. Strong SQL skills and understanding of data modelling, data analysis and dbt. Cloud experience across AWS, GCP or Azure, ideally ...

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
/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 and Lab Source control using Git Cloud platform experience ...

Scala Developer (Play Framework & Akka)

Hiring Organisation
Stealth IT Consulting
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experience with Play Framework Hands-on experience with Akka (Actors, Streams, Cluster or related components) Experience building and supporting microservices architectures Strong understanding of REST APIs and Back End development Experience with relational and/or NoSQL databases Familiarity with Git and modern CI/CD practices Experience working within ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
Container Apps (ACA), ARO, Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client-side ...

IdAM Application Developer

Hiring Organisation
Guidant Global
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
problem-solving, and communication skills. Desirable Skills & Experience Experience with any of the following would be advantageous: Development Frameworks & Languages React Django and Django REST Framework Java C# Golang Platform & DevOps Technologies OpenShift Kubernetes Terraform Jenkins ArgoCD Ansible VMware (IaaS) Monitoring & Operations Prometheus Stack Loki Log Aggregation Identity & Access Management ...

Fullstack Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
e.g. PostgreSQL) Hands-on experience on Git, Jenkins Understanding of micro-services architecture Understanding of AWS services like ECS, EKS, S3, SQS Understanding of REST APIs Understanding of CICD Good understanding of Kubernetes Nice to have Skills: Docker JavaScript: ReactJS and NodeJS preferred AWS API Gateway and Serverless technologies Message ...

Fullstack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £65/hour
Experience: 3+ years in full-stack web development. Frontend: Vanilla JS/TS, React or Vue.js, HTML/CSS. Backend: Java (or derived frameworks), REST/GraphQL APIs. AI & Cloud: Hands-on experience deploying features with Agentic AI tools; proficient with the AWS stack (e.g., CloudFormation). Essentials: Database knowledge ...

Rightangle Developer - Inside IR35 - Up to £750 per day - Hybrid in Central London

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank or financial institution. Key Competencies ...

Rightangle Developer - Inside IR35 - Up to £750 per day

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank or financial institution. Key Competencies ...

Integration Developer

Hiring Organisation
GCS
Location
Enfield, London, Enfield Town, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
SSMS SSIS Azure Service Bus Azure Functions Strong SQL and T-SQL development skills. Experience designing and supporting ETL solutions. Hands-on experience with REST and SOAP integrations. Strong knowledge of: JSON XML Data Mapping Data Transformation API Integrations Experience troubleshooting and supporting production integration services. Experience working within Agile ...

D365 CE Developers - Outside IR35

Hiring Organisation
Experis
Location
West Midlands, 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 ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35 (Negotiable rate)
passion for quality. Preferred Qualifications Salesforce certifications (e.g., Salesforce Administrator, Platform App Builder) are a plus. Experience with API testing tools (Postman, REST Assured) is desirable. Understanding of enterprise-level integration testing. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited ...

SC Cleared Lead System Architect (Pega)- Public Sector

Hiring Organisation
Square One Resources
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP 575 - 625 Daily
high-level architecture, detailed design, application layering, class structures, reuse strategies and data modelling. Design and oversee integrations with government Back End systems using REST, SOAP, Kafka, file-based interfaces and database connectors. Lead security design, including SSO, SAML, OAuth 2.0, RBAC, ABAC and data protection, alongside non-functional requirements ...

Full Stack .NET / Angular Developer

Hiring Organisation
Reperio Human Capital
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£388 - £431/day
Core Proven experience building and deploying cloud-native solutions on Azure, including Web Apps, APIs, Logic Apps and Functions Recent hands-on experience designing REST APIs In-depth knowledge of Angular and SPA architecture, including best practice and design patterns Extensive TypeScript and JavaScript experience Strong HTML ...

Technical Architect

Hiring Organisation
McGregor Boyall Associates Limited
Location
South East, United Kingdom
Employment Type
Contract
delivery teams, driving architecture strategy, governance, and engineering best practice. Key Responsibilities Design modern microservices and event-driven architectures using technologies such as Kafka, REST APIs and cloud platforms. Lead architecture governance, technical reviews, non-functional requirements, and technical debt management. Partner with Product, Business and Engineering teams to translate ...

Golang Developer

Hiring Organisation
Dabster Systems Ireland Limited
Location
Dublin, Dublin City, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£334 - £375/day
Required Technical Skills 10+ years of software development experience. Strong, hands-on expertise in Golang (Go). Experience with microservices architecture. Strong knowledge of REST APIs and gRPC. Experience with Docker and Kubernetes. Hands-on experience with Jenkins/CI-CD. Strong knowledge of Terraform; Ansible or Chef ...

Senior Developer Consultant (iPaaS & Automation)

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £495 per day
solutions within highly regulated or secure environments. Exposure to cloud transformation or enterprise modernisation programmes. Technical Skills Development Technologies C# Azure Functions Rust (desirable) REST APIs Enterprise Integration Technologies Microsoft Azure Azure Automation Azure Functions Azure Services & Integration Components Hybrid Cloud Environments Automation & Scripting PowerShell PowerShell Runbooks Automation Frameworks Workflow ...

Software Engineer - Backend

Hiring Organisation
Bright Purple
Location
Remote UK, Bath, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
backend services in production Strong Python skills and production Django experience, including the ORM, migrations, configuration and testing A track record of designing maintainable REST APIs, with solid data modelling and relational database practice Good knowledge of authentication, authorisation, single sign-on patterns and secure API design A testing mindset ...

Senior AI Platform Engineer - MCP AWS Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
Context Protocol (MCP), including MCP servers, gateways or tool integrations. Experience integrating LLMs, AI agents and agentic workflows into production applications. Strong understanding of REST APIs, service integration, authentication, authorisation and secure software development. Experience taking ownership of complex engineering projects, making architectural decisions and mentoring other engineers. Desirable: Python ...

SC Cleared Scala Developer

Hiring Organisation
Damia Group Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
£400 - £460 per day + **Outside IR35** DOE
practices. Proven experience building high-quality, scalable backend services and distributed systems. Experience with Akka, Play Framework, or similar Scala ecosystems. Strong knowledge of REST APIs, microservices, and distributed architectures. Experience working with both relational and NoSQL databases. Strong understanding of CI/CD pipelines, Git, DevOps practices, and modern ...