24 of 24 Contract RESTful Jobs

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. ...

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
Mandatory hands-on experience with React js , Redux (or similar state management libraries). Solid understanding of HTML5, CSS3, JavaScript (ES6+) . Experience with RESTful API design and integration. Familiarity with databases such as MySQL, PostgreSQL, or MongoDB. Experience with version control systems like Git. Strong understanding of object-oriented ...

Full Stack Developer

Hiring Organisation
HR GO Recruitment
Location
Liverpool, Merseyside, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Node.js and TypeScript Develop modern user interfaces using React and Next.js Design and maintain relational and document databases (PostgreSQL, MongoDB) Build secure and performant RESTful APIs Implement scalable backend services and microservices Optimise application performance and system reliability Implement automated tests using Jest, Cypress, and TDD practices Collaborate with product ...

Senior Software Test Engineer

Hiring Organisation
Select Engineering
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £57/hour
relational database technologies such as MySQL or similar Experienced advocate for practices such as Test Driven Development and Pair Programming Experience with Microservices architectures, RESTful APIs and message queues Strong programming skills Experience with source code management and version control (Git/GitHub/GitLab) Experience with modern CI/ ...

.Net Software Developer

Hiring Organisation
IO Associates
Location
Northampton, Northamptonshire, East Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
software solutions that support engineering workflows. We are looking for: Proven experience in designing and developing software using .NET and C#. Proficiency in building RESTful APIs and microservices deployed via container orchestration tools like Kubernetes. Strong understanding of SQL and experience working with relational databases such as MS SQL Server ...

Senior Web Application Developer (Full Stack)

Hiring Organisation
CPS Group (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £525/day
Entity Framework * HTML5, CSS3, JavaScript, jQuery, and React experience. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experience working with RESTful API design and integration; SOAP WebServices and XML/XPath * Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks * Experienced with CI/ ...

Backend Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
critical microservices programme.Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident containerising ...

Software Developer

Hiring Organisation
Robert Walters
Location
Warwickshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with frameworks like [e.g., React, Angular, .NET Core]. Solid understanding of database technologies (SQL/NoSQL). Expertise in API development and integration (RESTful APIs). Familiarity with cloud platforms (AWS, Azure, Google Cloud) is highly desirable. Proven experience working on tech implementation or system integration projects. Ability ...

Full Stack Software Engineer

Hiring Organisation
Effective Recruitment Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Node.js and TypeScript Develop modern user interfaces using React and Next.js Design and maintain relational and document databases (PostgreSQL, MongoDB) Build secure and performant RESTful APIs Implement scalable backend services and microservices Optimise application performance and system reliability Implement automated tests using Jest, Cypress, and TDD practices Collaborate with product ...

Python Risk Developer - Contract - Shell Scripting, Pandas, Polars, AWS, SQL, indices

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
discussions Required Qualifications Strong proficiency in data analysis using Pandas/Polars Demonstrated experience with equity index products and performance benchmarking Expertise in building RESTful APIs and microservices Strong SQL skills and experience with database design/optimization Proficient in Git-based version control and CI/CD practices Solid ...

Python Developer--SC Cleared

Hiring Organisation
Morson Edge
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 550 per day
applications • Experience of designing, developing, and maintaining microservices-based architectures • Knowledge of distributed systems, service-to-service communication, and fault tolerance • Ability to build RESTful APIs and integrating services across multiple systems • Proficiency in writing clean, efficient, testable, and well-documented code • Experience with asynchronous/thread processing, messaging systems ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying TDD and BDD testing approaches Good understanding of clean coding principles, SOLID, and cloud technologies Previous experience in the Finance ...

Full Stack Engineer

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
with REST APIs Ensure high standards of UX, accessibility, and cross-browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django/FastAPI/Flask Handle authentication, authorization, and secure data flows Work with relational and/or NoSQL ...

Full Stack Engineer

Hiring Organisation
Vallum Associates
Location
British Islands, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
with REST APIs · Ensure high standards of UX, accessibility, and cross-browser compatibility Backend (Python) · Design and implement scalable backend services using Python · Develop RESTful APIs using Python frameworks such as Django/FastAPI/Flask · Handle authentication, authorization, and secure data flows · Work with relational and/or NoSQL ...

Python Developer

Hiring Organisation
Robert Walters
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
operations, and long-term financial growth. What you'll do Design and deliver scalable, resilient systems using modern and Legacy technologies where required Develop RESTful APIs to enable automation and self-service capabilities Apply machine learning techniques to enhance infrastructure and platform solutions Collaborate with internal stakeholders and SMEs ...

Systems Developer (ASP.NET)

Hiring Organisation
Proactive Appointments
Location
Exeter, Devon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£35,000 - £42,500 per annum
then deliver. Your Experience: Developing online forms and business workflow Using a low Code development Environment Using MS Visual Studio and C# to develop Restful APIs Using Microsoft Visual Studio to develop and update databases Formal Project management framework such as Prince2 or Agile Due to the volume of applications ...

Solution Architect Financial services Contract Dublin

Hiring Organisation
Adecco
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£517 - £604/day ltd company
with high-volume ETL/data processing.Experience designing polyglot systems using different database technologies - RDBMS (SQL Server or PostgreSQL), NOSQL (ideally MongoDB).Experience with RESTful/GraphQL web APIs and async communication flows using (Redis Streams, Kafka etc.) If this role sounds of interest drop me a CV so that ...

Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute … Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Solid understanding of RESTful API design and exposure to GraphQL. Experience with microservices, event-driven architectures, and distributed systems. Familiarity with CI/CD pipelines and DevOps practices. Knowledge ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React

Hiring Organisation
PCR Digital
Location
Hammersmith, London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £538/day Inside IR35 to Umbrella
application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming, SOLID principles, common design patterns and RESTful API design and integration (experience with SOAP WebServices and XML/XPat) also required. We are looking for a strong portfolio in bespoke eCommerce … React experience desirable to have HTML5, CSS3, JavaScript, jQuery. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath. * Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks (NUnit, Moq, SpecFlow ...

MS Dynamics Developer (SC, DV or NATO cleared)

Hiring Organisation
Church International Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
C# development for extensions and integrations Data Entities and Data Management Framework (DMF) Power Platform - Power Automate, Power Apps, Dataverse Integration design - RESTful APIs, virtual tables, external systems Finance and procurement processes - approvals, compliance, audit-ready workflows Visual Studio, Lifecycle Services (LCS), UDE, and PPAC ERP life cycle experience - design ...

Front End React Developer

Hiring Organisation
BrightBox Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
technical direction of the team. Qualifications - Extensive experience with React and modern JavaScript. - Strong understanding of accessibility standards (e.g., WCAG). - Experience integrating with RESTful APIs. - Proven experience working within UK Government or public sector environments (essential). - Experience with the (url removed) Design System. ...

Umbraco Developer

Hiring Organisation
Proactive Appointments
Location
Exeter, Devon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£35,000 - £42,500 per annum
control processes Your Experience: Developing online forms and business workflow Using a low Code development Environment Using MS Visual Studio and C# to develop Restful APIs Using Microsoft Visual Studio to develop and update databases Formal Project management framework such as Prince2 or Agile Due to the volume of applications ...

Senior Technical Product Manager

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £80 per hour
DevEx focus). Communication: Ability to bridge the gap between business goals and engineering constraints. Technical Skills: Deep understanding of distributed systems, API design (RESTful), and event-driven architecture. Mindset: Data-driven, analytical, and comfortable in ambiguous environments. Strategy: Proven ability to align roadmaps across multiple global business units. Core ...

Solutions Architect - Retail Core Banking

Hiring Organisation
Vallum Associates Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day
help define & deliver strategic objectives & roadmaps, being embedded into the functional domain, balancing business requirements with functional & technical Strategy Experience Defining and evolving RESTful APIs following best practices for scalability, versioning and documentation Experience with event-driven architectures Ability to produce clear functional architecture, design logical components and define interactions ...