1 to 25 of 34 Contract RESTful Jobs in England

Java Developer

Hiring Organisation
Experis
Location
Solihull, West Midlands, West Midlands (County), United Kingdom
Employment Type
Contract
systems and diagnosing incidents. Experience in large-scale integration projects involving microservices, messaging, web services, and distributed systems. Experience with web services (SOAP and RESTful). Experience with containerization (Docker). Experience with testing frameworks like JUnit, Mockito, Powermock, JMock, DBUnit, TestContainers. Experience connecting processes across several systems with message ...

Java Developer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
Birmingham, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day 450-500/day (Outside IR35)
including: microservices, web services, messaging + distributed systems. Connecting processes across multiple systems using message brokers like ActiveMQ. Robust experience of Web Services, SOAP, RESTful), Containerization (Docker), and testing frameworks (Mockito, JUnit, Powermock, DBUnit, JMock, TestContainers). Supporting live systems + diagnose/resolving incidents. Continuous Integration methodologies such ...

Fullstack Developer

Hiring Organisation
Damia Group Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
applications using React (Next.js) and TypeScript . Developing back-end microservices using Java with Spring Boot , and Python (AWS Lambda) . Creating and consuming RESTful APIs and implementing business logic in microservices. Working with containerised applications deployed on Kubernetes , particularly in AWS Desirable Skills & Experience: Familiarity with functional programming principles ...

Lead Java Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day Outside IR35
systems and diagnosing incidents. Experience in large-scale integration projects involving microservices, messaging, web services, and distributed systems. Experience with web services (SOAP and RESTful). Experience with containerization (Docker). Experience with testing frameworks like JUnit, Mockito, Powermock, JMock, DBUnit, TestContainers. Experience connecting processes across several systems with message ...

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
Backend architecture &APIs (primary focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda ...

Full Stack Developer (ReactJS & Java)

Hiring Organisation
KBC Technologies UK LTD
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
What We’re Looking For Strong hands-on experience with ReactJS Solid backend expertise in Java, Spring Boot, and Microservices Experience designing and consuming RESTful APIs Comfortable creating Swagger/OpenAPI specs Strong understanding of software design and clean code Experience with testing frameworks and automation Practical exposure to Azure ...

Senior Outlook Add-in Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Senior Outlook Add-in Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/SQL deployment, disaster recovery ...

Senior Developer

Hiring Organisation
Summer Browning Associates
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£NEG Excellent Day Rates
applications utilising Python. Experience in designing scalable backend services using Golang. Expertise in constructing enterprise-grade applications using C#/.NET. Competence in building RESTful APIs and managing microservices-based architectures. Strong familiarity with Git-based version control systems and CI/CD pipelines. Comprehensive understanding of Agile methodologies ...

Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £60/hour
closely with engineers, architects and stakeholders to ship real-world systems Essential Skills & Experience Java Core (8+) Spring Boot/Spring Framework with Hibernate RESTful web services over HTTPS Microservices architecture Distributed systems Software design patterns Agile development methodologies (Scrum) CI/CD pipelines Git source control Jira or similar ...

Java Software Developer

Hiring Organisation
Line Up Aviation
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
knowledge of Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge and use of software design patterns Agile Development Processes CI/CD delivery techniques Source code management ...

Full-Stack Engineer - 6-month contract - Immediate Start

Hiring Organisation
The ECA International Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
experience with React, Tailwind CSS, Node.js, and TypeScript . Solid understanding of microservices and modular architecture . APIs, Data & Integrations Strong experience with RESTful and GraphQL APIs . Hands-on experience with middleware and orchestration tools such as Tachyon, Temporal, or similar platforms. Experience with data ingestion, pipeline management ...

Software Engineer - Java

Hiring Organisation
Empresaria UK Ltd
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
with integrity at all times Required Skills & Experience Strong experience with Java (8+) Spring Boot/Spring Framework, including development with Hibernate Experience building RESTful APIs over HTTPS Hands-on experience with microservice architectures Understanding of distributed systems Knowledge and practical use of software design patterns Experience working in Agile ...

Full Stack Engineer (Java / ReactJS)

Hiring Organisation
Shillito Executive Search Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£520.00 - £525.00 per day
Front-end development using ReactJS Experience delivering solutions within a microservices architecture Regular delivery of changes to production at high cadence Building and delivering RESTful APIs to production Experience designing schemas and working with PostgreSQL databases Desirable Experience Containers and orchestration technologies (Docker, Kubernetes) and exposure to GCP Previous experience ...

Software Engineer (Java)

Hiring Organisation
Meritus
Location
Dorchester, Dorset, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Active Security Clearance (SC) is required. Main Responsibilities: Design and develop Java-based microservices within a Service-Oriented Architecture (SOA) Define, build and integrate RESTful APIs for internal and third-party systems Produce technical designs using UML and follow best practice software engineering standards Develop and maintain containerised applications (e.g. ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns click apply for full job details ...

Full Stack .Net Developer

Hiring Organisation
Rullion Ltd
Location
Staffordshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
looking for developers to travel in 5 days per week. Essential Experiences & Skills needed: - Full Stack .Net Development - Typescript & Angular - AWS experience - Restful API's - noSQL & SQL database - GIT & Jira (Rullion is a recruitment agency) Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees ...

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
complex workflows (reasoning, planning, tool use, and validation). Build LLM-powered features on Azure (e.g., Azure OpenAI, Azure Functions). Utilize and manage RESTful APIs/SDKs to integrate model calls within web services, back-end jobs, and enterprise applications. Design and implement RAG pipelines (chunking, embeddings, indexing, ranking ...

Java Developer - Financial Services

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Development experience in financial services. Extensive experience with SpringBoot, Spring MVC, and Spring Security. Strong experience in distributed programming. Extensive microservices development experience with RESTful services. Strong cloud experience. What you'll get in return : Up to £650pd Umbrella. London-based hybrid working. Initial 6-month contract with extensions. What ...

Full Stack Developer CGEMJP

Hiring Organisation
Experis
Location
City, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
predominantly use Kotlin, Java, JavaScript Working knowledge of Unix Must understand databases from a consumer point of view Knowledge of HTTP APIs e.g. RESTful API's All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able ...

Full Stack Developer CGEMJP00332278

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
predominantly use Kotlin, Java, JavaScript Working knowledge of Unix Must understand databases from a consumer point of view Knowledge of HTTP APIs e.g. RESTful API's All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able ...

Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £500 per day
enterprise architecture. Domain Knowledge: Deep understanding of payment processing, clearing and settlement, authorization, reconciliation, and exception handling. Technical Expertise: Proficiency in microservices, API integration (RESTful), cloud platforms (AWS, Azure, GCP), and containerization. Message Standards: Expert knowledge of ISO 20022 messaging (including mapping and validation). Soft Skills: Strong communication, stakeholder ...

Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
Essential Technical Requirements Python Development 5+ years of hands-on development experience (not scripting/automation roles) Strong knowledge of boto3 API Experience building RESTful applications Strong understanding of testing frameworks, unit testing, and regression testing methodologies AWS Expertise Deep understanding of AWS networking and IAM Strong knowledge ...