Contract 'RESTful' Job Vacancies

24 of 24 Contract RESTful Jobs

Full-Stack Developer

Milton Keynes, Buckinghamshire, United Kingdom
Hybrid/Remote Options
Experis
and consistency. Security & Documentation Implement authentication, authorisation, and other security best practices. Maintain internal API and code documentation. Essential Skills Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development. Proficient with SQL databases and CI/CD tools. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Solid understanding of software testing frameworks and secure More ❯
Employment Type: Contract
Rate: £525 - £575/day
Posted:

Full-Stack Developer

Bletchley, Buckinghamshire, United Kingdom
Hybrid/Remote Options
Experis
and consistency. Security & Documentation Implement authentication, authorisation, and other security best practices. Maintain internal API and code documentation. Essential Skills Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development. Proficient with SQL databases and CI/CD tools. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Solid understanding of software testing frameworks and secure More ❯
Employment Type: Contract
Rate: GBP 525 - 575 Daily
Posted:

Senior Software Engineer - TypeScript - Government

London, South East, England, United Kingdom
SR2
cloud-native systems using TypeScript, AWS, and modern frameworks, ensuring high performance, resilience, and compliance.Key Responsibilities Develop and maintain applications using TypeScript with Express or Fastify. Build microservices and RESTful APIs with Node.js and React. Design and deploy AWS solutions using Lambda, CloudFormation, AWS SAM, API Gateway, and ECS. Implement Infrastructure as Code with Terraform and CloudFormation. Create and optimise More ❯
Employment Type: Contractor
Rate: £425 - £475 per day
Posted:

Senior Java Developer

Telford, Shropshire, England, United Kingdom
Hybrid/Remote Options
TXP Technology x People
site per week) Contract: Inside IR35 Sector: Central Government/Public Sector Duration: Ongoing contract Key Responsibilities Develop, enhance, and maintain Java-based microservices and APIs Build and test RESTful APIs using Spring Boot and JUnit Apply Kubernetes for containerisation and deployment Collaborate within Agile Scrum teams to deliver high-quality software solutions Write clean, maintainable code following best practices More ❯
Employment Type: Contractor
Rate: £0 per annum
Posted:

C# Developer Outside IR35

Liphook, Hampshire, England, United Kingdom
Hybrid/Remote Options
Red King Resourcing
and stakeholders Writing clean, maintainable, and well-documented code What We're Looking For: Strong experience in C#/.NET (Core or Framework) Proven track record of API integration (RESTful APIs, Webhooks, etc.) Familiarity with CI/CD pipelines and DevOps practices on Azure Experience working in Agile/Scrum teams Excellent problem-solving and communication skills Bonus Skills (Nice More ❯
Employment Type: Contractor
Rate: £350 - £400 per day
Posted:

Software Engineer (Kotlin/Springboot)

Coventry, West Midlands, United Kingdom
Hybrid/Remote Options
Oscar Associates (UK) Limited
Proven backend expertise with Kotlin and Spring Boot (ESSENTIAL) Skilled in designing and maintaining microservices architectures . Confident working with SQL databases (PostgreSQL, MySQL or equivalent). Understanding of RESTful API design and third-party integrations. Experience with testing frameworks , debugging, and performance optimisation. Familiarity with AWS, Docker/Kubernetes and CI/CD pipelines (desirable) Key Responsibilities: Develop, test More ❯
Employment Type: Contract, Work From Home
Rate: £250 - £290 per day
Posted:

Scala Developer

South East London, London, United Kingdom
Mercator IT Solutions Ltd
Any knowledge of MongoDB or working with large datasets would be useful but is not essential Knowledge of the use of version control systems, such as git Experience implementing RESTful APIs for integration with internal and external systems *Applicants must have the right to work in the UK and the ability to pass BPSS vetting More ❯
Employment Type: Contract
Rate: From £300 to £550 per day
Posted:

GenAI Python Developer

London, United Kingdom
Hybrid/Remote Options
EMBS Engineering
applications Knowledge of authentication, secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as Promptfoo SQL and NoSQL experience: MySQL, PostgreSQL, MongoDB, Cassandra Exposure to RAG patterns and vector search technologies More ❯
Employment Type: Contract
Rate: £450 - £500/day
Posted:

Adobe Experience Manager AEM Architect

Marlow, Buckinghamshire, England, United Kingdom
Hybrid/Remote Options
Lorien
Engineering, or related field. Experience architecting and implementing AEM solutions. Knowledge and experience of AEM Sites, Assets, Forms, and integrations. Expertise in Java, JCR, Sling, OSGi, HTML5, CSS3, JavaScript, RESTful APIs. Experience with cloud-based AEM deployments (Adobe Managed Services). Excellent communication and documentation skills. Agile development experience. Nice to have experience for the Adobe Experience Manager (AEM) Architect More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

AI Prompt Engineer

London, United Kingdom
Brightbox GRP Ltd
automation tools (e.g., Zapier, n8n, Make) and dashboarding platforms (e.g., Power BI, Tableau). Hands-on experience in chatbot development and conversational UI design is a plus. Familiarity with RESTful APIs and SDKs for integrating LLMs into enterprise platforms. Knowledge of cloud platforms (Azure, AWS, GCP) and containerization tools (Docker, Kubernetes) is beneficial. Ability to translate business requirements into prompt More ❯
Employment Type: Contract
Rate: £400 per day
Posted:

Full Stack .Net Developer

Staffordshire, United Kingdom
Rullion Ltd
is based in Staffordshire and are looking for developers to travel in minimum 3 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 and applicants. More ❯
Employment Type: Contract
Rate: £500 - £525/day
Posted:

Developer/Cloud Security Engineer AWS

London, South East, England, United Kingdom
McGregor Boyall
days office Leading financial services client is seeking a Senior Cloud Security Engineer and help shape their cybersecurity in a fast-paced, global environment. Key Responsibilities: Design and maintain RESTful APIs and microservices using Node.js and NestJS. Build and automate AWS infrastructure with Terraform or CloudFormation. Develop and enhance CI/CD pipelines for microservice deployments. Embed DevSecOps best practices More ❯
Employment Type: Contractor
Rate: £600 - £650 per day
Posted:

Senior Software Engineer Node.js

Liverpool, Merseyside, England, United Kingdom
Hybrid/Remote Options
Adria Solutions
authentication, and security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications. Strong understanding of RESTful API design, database optimization, and security. Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS, microservices architecture. More ❯
Employment Type: Contractor
Rate: £400 - £550 per day, Negotiable
Posted:

React.JS Developer Outside IR35

London, South East, England, United Kingdom
Opus Recruitment Solutions Ltd
per day Very Strong React.JS Strong knowledge of Software Design Patterns Strong understanding and experience of Database technologies in particular Mongo DB? Strong understanding and experience of APIs, RESTful services and Microservice Architectures Good understanding of CI/CD and Gitlab Pipelines An understanding of AWS Infrastructure and Terraform More ❯
Employment Type: Contractor
Rate: £450 - £500 per day
Posted:

Technical Solutions Consultant

London, South East, England, United Kingdom
Hybrid/Remote Options
INTEC SELECT LIMITED
non-technical audiences Familiarity with advertising technologies (pixels, ad servers, auctions, delivery systems) Working knowledge of web technologies such as HTML, CSS, JavaScript, and HTTP Experience using SQL and RESTful APIs for data access or integrations Package: Day rate - £350-375pd PAYE Fully remote role 12-month contract More ❯
Employment Type: Contractor
Rate: £350 - £375 per day
Posted:

Android Developer

London, United Kingdom
Hybrid/Remote Options
Infoplus Technologies UK Ltd
reactive programming using Coroutines, Flows, Channels, and RxJava. Experience with data binding and state management. Familiarity with Android Jetpack components (LiveData, ViewModel, Navigation, Room, etc.). Good understanding of RESTful APIs and integration techniques. Experience with version control systems like Git. Proficient in writing unit and UI tests using tools like JUnit, Mockito, and Espresso. Experience working in Agile/ More ❯
Employment Type: Contract, Work From Home
Rate: From £400 to £450 per day
Posted:

Software Developer (C++) - Up To £350/Day - London

London, United Kingdom
Hunter Bond
cycle, with real influence over the direction and implementation of key technical solutions. Key Requirements: Strong commercial experience with C++ and Python (2+ years) Proven experience building and consuming RESTful microservices Experience handling large-scale or high-throughput data systems Prior experience in the finance sector (preferred but not essential) Solid academic background, ideally in Computer Science or a related More ❯
Employment Type: Contract
Rate: GBP 350 Daily
Posted:

Java - API & Microservices NHS Digital Integration Developer

London, South East, England, United Kingdom
Salt Search
You will play a key role in designing scalable, secure, high-performance services that power mission-critical applications within the healthcare technology landscape. Key Responsibilities * Design, develop, and maintain RESTful APIs and microservices using Java and Spring Boot . * Implement scalable, secure, and highly available solutions for enterprise and healthcare applications. * Integrate backend services with NHS Digital systems , including FHIR … requirements. Required Skills & Experience * 5+ years of professional Java development experience (Java 11+). * Strong expertise with Spring Boot , Spring Cloud, and distributed microservices. * Proven experience designing and building RESTful APIs. * Experience working with NHS Digital services , healthcare APIs, or standards such as FHIR, HL7, OpenAPI, or integration with NHS Spine (highly desirable). * Hands-on experience with Docker , Kubernetes More ❯
Employment Type: Contractor
Rate: £340 - £350 per day
Posted:

Java Fullstack Engineer

Leeds, West Yorkshire, England, United Kingdom
DABSTER SYSTEMS UK LIMITED
Java 17: Hands-on experience is mandatory . DevOps & Cloud: Proven experience with GCP , AWS , or Azure , and familiarity with CI/CD pipelines . API Development: Expertise in RESTful API design and development. Frontend: Working knowledge of ReactJS or Angular . Testing: Strong background in automated testing , including JUnit . Mindset: Excellent communication skills and a commitment to continuous … Experience (Years) Java Fullstack Engineering 8–15 Java (Version 17+) Strong Expertise Spring Boot Strong Expertise Microservices Strong Expertise DevOps Pipelines Practical Experience Google Cloud Platform (GCP) Practical Experience RESTful APIs Proven Expertise Automated Testing Frameworks/JUnit Strong Experience Agile Methodology Practical Experience ReactJS/Angular Working Knowledge AWS/Azure (CI/CD) Familiarity What We Offer: Contract More ❯
Employment Type: Contractor
Rate: £350 - £400 per day
Posted:

(SC Cleared) NodeJS Developer - Inside IR35

Corsham, Wiltshire, South West, United Kingdom
Sanderson Recruitment
responsible for developing, securing, and maintaining microservices that underpin MOD's next-generation data fabric. Key Responsibilities Design, develop, and maintain Node.js microservices within the LDDF architecture. Implement secure RESTful APIs for data exchange across domains. Ensure all services meet MOD security, logging, and auditing standards . Work with DevOps engineers to containerise and deploy services via Kubernetes/OpenShift … and cyber security teams to ensure compliance and resilience. Essential Skills & Experience Node.js (advanced) - event-driven architecture, async programming TypeScript - strongly typed, enterprise-grade API development Express.js or NestJS - RESTful and modular service design Security-first development - OAuth2, JWT, TLS, secure logging Containerisation - Docker, Kubernetes, or OpenShift CI/CD - GitLab CI, Jenkins, or Azure DevOps pipelines Messaging/Integration More ❯
Employment Type: Contract
Posted:

Java Software Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
Noir
Java Developer - Financial Technology - London/Hybrid (INSIDE IR35) (Key skills: Java, Spring Boot, Kubernetes, AWS EKS, Amazon Redshift, PostgreSQL, RESTful APIs, CI/CD, Microservices, iOS/Android Native, Agile, Financial Services) Are you a highly skilled Java Developer with a passion for building scalable, high-performance financial systems? Do you enjoy working with cutting-edge technologies across backend … platforms. As part of a collaborative, Agile development team, you will be responsible for building robust microservices, managing data pipelines across PostgreSQL and Amazon Redshift , and delivering performant, secure RESTful APIs used across web and mobile platforms. You'll work closely with iOS and Android engineers to ensure seamless end-to-end integration, supporting mobile-first financial products that reach … Java and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful API design, and Agile delivery methodologies will be highly beneficial. This is an exciting opportunity to work in a dynamic FinTech environment where innovation, quality, and performance are at the More ❯
Employment Type: Contractor
Rate: £400 - £420 per day
Posted:

.Net developer

London, South East, England, United Kingdom
eTeam Inc
education • At least 8-10 years of experience with Information Technology Key Responsibilities • Develop and maintain enterprise-scale .NET applications using ASP.NET Core 9.0 and C# • Design and implement RESTful APIs for biogas trading, inventory management, and regulatory reporting • Build complex business logic for RINS credit calculations, LCFS compliance, and carbon credit trading • Work with PostgreSQL databases and Entity Framework … Docker and OpenShift for containerized deployments Required Technical Skills • 5+ years of experience with .NET development (C#, ASP.NET Core) • Strong experience with Entity Framework Core and PostgreSQL • Proficiency in RESTful API design and OpenAPI/Swagger documentation • Experience with authentication systems (OAuth2, JWT, Azure AD) • Knowledge of containerization (Docker) and Kubernetes/OpenShift • Experience with background job processing and scheduled More ❯
Employment Type: Contractor
Rate: £280 - £297 per day
Posted:

Full Stack Developer

United Kingdom
Rullion Ltd
Key Responsibilities Design, develop, and maintain scalable, cloud-based applications using C#, .NET Core, and AWS. Build and maintain well-structured RESTful APIs to integrate with various systems. Work with SQL and NoSQL databases to store and retrieve data efficiently. Implement event-driven architectures using messaging systems like RabbitMQ and AWS Kinesis/SQS. Develop modern web interfaces using TypeScript … Strong C# Skills: Demonstrated proficiency in C# programming, with a focus on building scalable applications using .NET Core. Web API Development: Expertise in designing, developing, and maintaining well-structured RESTful APIs to facilitate data exchange between systems. Database Management: Solid understanding of SQL databases and experience working with NoSQL databases, particularly MongoDB. Cloud Architecture: Proven ability to architect and implement More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Full Stack Developer

West Midlands, United Kingdom
Rullion Ltd
Key Responsibilities Design, develop, and maintain scalable, cloud-based applications using C#, .NET Core, and AWS. Build and maintain well-structured RESTful APIs to integrate with various systems. Work with SQL and NoSQL databases to store and retrieve data efficiently. Implement event-driven architectures using messaging systems like RabbitMQ and AWS Kinesis/SQS. Develop modern web interfaces using TypeScript … Strong C# Skills: Demonstrated proficiency in C# programming, with a focus on building scalable applications using .NET Core. Web API Development: Expertise in designing, developing, and maintaining well-structured RESTful APIs to facilitate data exchange between systems. Database Management: Solid understanding of SQL databases and experience working with NoSQL databases, particularly MongoDB. Cloud Architecture: Proven ability to architect and implement More ❯
Employment Type: Contract
Posted:
RESTful
10th Percentile
£342
25th Percentile
£406
Median
£493
75th Percentile
£567
90th Percentile
£650