1 to 25 of 93 Contract REST Jobs in England

Software Engineer - Visual Quality

Hiring Organisation
MicroTECH Global Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Strong experience in Python, developing high-performance, multithreaded applications, ideally with Flask, SQL, and databases. Proficient in Linux development environments. Hands-on experience with REST, HTTP, JSON, and Docker. Comfortable in Agile environments, using Scrum or Kanban and tools such as Jira. Familiarity with CI/CD processes, including source ...

Senior Solution Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Expert experience in Java & Spring Boot and/or similar languages (Go, Java Script). Expert experience with API First approach and API standards (REST, JSON, patterns & practices, RESTful API design). Expert experience with API technology (API gateways) and API security (authentication/authorisation/identity providers). Excellent ...

Technical Lead/Senior Backend Engineer (Golang / Java Microservices)

Hiring Organisation
KBC Technologies UK LTD
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
experience with Golang JAX-RS (Java API for RESTful Web Services) – mandatory Java, Microservices, Spring & Spring Boot Hands-on experience implementing microservices architectures REST API design and development Microservices authorization using OAuth 2.0 Java 8+, including multithreading Spring modules: AOP, Spring Boot, Spring Data JPA Experience troubleshooting performance and security ...

Senior Guidewire Developer / Consultant

Hiring Organisation
DCV Technologies
Location
Norwich, Norfolk, United Kingdom
Employment Type
Contract
directly with customers or key internal stakeholders Expertise in reconciling data from Guidewire to Datawarehouse. Experience and demonstrated abilities with GOSU programming, XML, PCF, REST and SOAP Guidewire Ace certification preferred Experience with source code management systems such as GitHub Flexible in working under changing and different work environment Knowledge ...

Lead Software Engineer (Government)

Hiring Organisation
Stealth IT Consulting Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £572 per day
Java, Spring Boot, and Back End microservices. Hands-on experience with Azure cloud services and cloud-native development. Proven ability to design and build REST APIs and complex integration solutions. Experience with containerisation (Docker) and orchestration (Kubernetes/AKS). Strong understanding of CI/CD pipelines and DevOps practices. ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes ...

Principal Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £640.0 per day + up to £640 pd (Inside IR35)
fourth-generation programming language (4GL) Strong skills in object-oriented analysis and design (OOAD) Proven experience with C#, Java (Spring Boot, JPA/Hibernate), REST APIs, observability, monitoring, queue technologies, security, and relational databases (especially Postgres). Strong understanding of SOLID principles, microservice development focused on high availability and data ...

Java with Golang Developer

Hiring Organisation
Intuition IT Solutions Ltd
Location
Burgess Hill, Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
code reviews and system design discussions Required Skills: Strong hands-on experience in Java (Spring Boot, Microservices) Working experience in Golang Experience with REST APIs , JSON, HTTP Knowledge of Docker & Kubernetes Experience with SQL/NoSQL databases Familiarity with CI/CD pipelines Good understanding of OOP, data structures ...

Full stack developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £480 to £500 per day
teams. Your Profile Essential Skills/Knowledge/Experience Front End Skills React (including good knowledge of hooks) SWR for working with external REST APIs Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back End Skills C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Azure Data Factory (nice ...

Azure AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
automated document workflows. Implement RAG (Retrieval-Augmented Generation) architectures using Azure Search or vector databases. Integrate AI capabilities with enterprise systems through REST APIs, Azure Functions, Logic Apps, or Power Platform. Ensure adherence to security, data governance, and compliance standards, including data encryption, responsible AI, and regulated-industry guidelines. Develop ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
Requirement (if hybrid): 2 3 days a week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL ...

Senior Developer - Contract

Hiring Organisation
Nigel Wright Group
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
rate depending on experience. Essential for the role Integration development and API engineering Strong experience working with third-party APIs Deep knowledge of REST, SOAP and API architectural patterns Significant experience with Python and .NET/C# Strong SQL skills and experience with databases such as Oracle ...

Front End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570 per day
TypeScript and JavaScript in the browser Experience building modern, responsive web applications Good understanding of HTML, CSS, and front-end architecture Familiarity with REST APIs and frontend integration patterns Nice to Have Experience with Playwright for front-end or end-to-end testing Knowledge of automated testing strategies ...

Backend Software Engineer

Hiring Organisation
Bruin Financial & Professional Services
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . ...

Senior Java Engineer Smart Contract

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
financial services , Ideally Commercial Lons. Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, and Spring Data In-depth knowledge of REST API principles and HTTP protocols. Proficiency in Git, CI/CD, and Agile methodologies. Familiarity with JIRA, JUnit, and Apache Kafka is preferred. Experience with ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
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 ...

Senior Golang/Java Security Engineer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
software vulnerability types SAST, SCA, and DAST, including the strengths and weaknesses of each At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with ...

Frontend Engineer

Hiring Organisation
Rullion Managed Services
Location
London, United Kingdom
Employment Type
Contract
fast-paced environment, and learning from talented peers, this role is for you. Responsibilities Develop React applications on the frontend and work with REST API or GraphQL servers. Collaborate in a product/engineering team with frontend, backend, and platform engineers, as well as designers. Plan, build, test, and release ...

Prompt Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
other security aspects of AI. Practical experience deploying LLM solutions on Azure (e.g., Azure OpenAI, Azure Functions, App Service, Key Vault). Proficiency with REST APIs and JSON; integrating LLM calls into applications/services using Python or C# (Node.js also acceptable). Working knowledge of embeddings, document chunking strategies ...

ACBS Developer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/Linux environments Familiarity with integration technologies (REST, SOAP, MQ) Version control tools (Git, Bitbucket ...

Java Developer-Golang

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
production environments Solid understanding of JVM internals and object-oriented design principles Experience with frameworks such as Spring/Spring Boot Familiarity with REST APIs, microservices architecture, and distributed systems Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB) Knowledge of version control systems (Git) Understanding ...

Application Security Engineer

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £650 per day
strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/ ...

AppSec Engineer / Application Security Engineer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/ ...

Front End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £520/day
Proficiency in TypeScript and JavaScript for browser-based applications Solid understanding of modern front-end development practices (ES6+, component-based architecture) Experience working with REST APIs and asynchronous data handling Familiarity with Git and collaborative development workflows Nice to Have Experience with Playwright for front ...

M365 Azure Developer - SC Cleared - Inside iR35

Hiring Organisation
fortice
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
/service development. Strong experience with PowerShell Scripting for admin automation tasks Hands-on experience with Microsoft Graph API, Exchange Web Service, SOAP and REST APIs for M365 integration. Experience in Azure PaaS services : App Service, WebJobs, Functions, Storage, Service Bus/Event Hub. Expertise in monitoring and observability : Application ...