15 of 15 Contract RESTful Jobs in the South East

Senior FullStack Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React JS and modern JS/TS patterns. ...

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
Security Clearance (SC) Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Strong experience building scalable backend and RESTful services using Java (Spring Boot) Ideally Java v21 (or very recent versions) Postgres (or other relational SQL databases) with a solid understanding of schema design ...

DevSecOps Engineer - SC or DV Cleared

Hiring Organisation
Matchtech
Location
Romsey, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 780 Daily
experience with tools like NVIDIA Container Toolkit or Run:AI Architectural Styles: Strong knowledge in Microservices, Serverless, and Edge compute Proficiency with APIs, both RESTful and Protobuf GRPC Familiarity with stream-based pub/sub systems including Kafka and MQTT DevSecOps Tooling: Version control systems such as Git CI/ ...

DevSecOps Engineer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Southampton, Hampshire, Nursling, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £740/day
Docker, Podman) Container management (e.g. Kubernetes) Experience in GPU containerisation (e.g. NVIDIA Container Toolkit, Run:AI) Architectural styles Microservices: Serverless Edge compute APIs (both RESTful and Protobuf GRPC) Stream based pub/sub systems (including Kafka and MQTT) DevSecOps tooling: Version control (e.g. Git) Continuous Integration/Deployment (e.g. Gitlab ...

C Sharp Developer (Blazor)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Farnborough, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
Proficient in Angular framework to build and support frontend web applications Strong experience with Razor/Blazor is important for this role Experience of RESTful API development within microservice architecture Experience of deploying to cloud architecture within Kubernetes Experience delivering new functionality and changes to established financial applications Experience working ...

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 Finance/ ...

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
entire development pipeline , and take ownership across the full software lifecycle-not just individual development tasks. Key Responsibilities Back-End Development Design and build RESTful APIs using ASP.NET Core (6+) Develop clean, scalable, and testable C# code Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. ...

Automation QA Engineer Inside IR35

Hiring Organisation
interAct Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£325 - £350 per day
team, promoting a “whole team” approach to quality Establish and drive QA best practices within the team Essential Skills & Experience Strong experience in automated RESTful API testing Proven experience working in Agile environments Hands-on experience with CI tools such as Jenkins Strong advocacy for quality engineering principles and best ...

SC Cleared AWS API Technical Architect

Hiring Organisation
Hays
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500.0 - £565.00 per day + Up to £565 per day Inside IR35
responsibilities within this role are broadly expected to include: the design of serverless and microservices-based API architectures on AWS. Defining and applying RESTful API design patterns and integration standards. Support system and data integration across distributed services. Assessing and addressing technical debt, recommending pragmatic modernisation approaches. Working closely with ...

Salesforce Data Migration Engineer

Hiring Organisation
Randstad Digital
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£200 - £300 per day
high-level Salesforce integration and architecture. System Analysis: 5+ years managing end-to-end data flows within complex, integrated IT ecosystems. Proficient in RESTful APIs, JSON, XML, and Postman for remote system management. Experience with AWS Cloud Databases or Kafka data streaming is highly desirable 8 Months Contract (Inside IR35 ...

Full Stack Developer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field … equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage ...

Senior Java Developer (AWS, Java, API) - Sussex - Hybrid

Hiring Organisation
Salt
Location
West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
event-driven patterns Familiarity with other JVM languages Hands-on experience with AWS cloud services (e.g., Lambda, API Gateway, DynamoDB, ECS, S3) Experience developing RESTful APIs Exposure to SOAP and GraphQL services Familiarity with CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline) Knowledge of unit, integration, and automation … advantageous Partner and Vendor Teams (onshore and offshore) Backend Service Development Design, build, and maintain secure, high-performance Java-based microservices Implement RESTful APIs and GraphQL integrations Ensure services are cloud-native, scalable, and resilient in AWS Code Quality, Testing, and Best Practice Write clean, maintainable code following internal coding ...

Full Stack Software Engineer

Hiring Organisation
Matched Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field … equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage ...

Data Engineer

Hiring Organisation
Guidant Global
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
integrity, consistency, and quality throughout migration and transformation processes. Support end-to-end reconciliation and validation activities post-migration. API & Systems Integration Work with RESTful APIs to integrate enterprise systems and perform CRUD operations. Connect to and consume APIs using tools such as Postman and Oracle PL/SQL. Interpret … work with API documentation to understand existing integrations and services. Apply authentication and security principles related to RESTful APIs. Work extensively with JSON and XML data structures within integration workflows. System Analysis & Solution Design Analyse complex end-to-end system landscapes and customer data flows across multiple business functions. Understand ...

Data Engineer Salesforce

Hiring Organisation
Randstad Digital
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract
Oracle SQL to prevent data loss. Synchronization: Fix integration gaps and build automated data cleansing routines. Connectivity: Design PL/SQL interfaces to handle RESTful API operations. Analysis: Design technical solutions and present data insights to the business. Your Experience Oracle: 3+ years of PL/SQL (packages and procedures … complex SQL. Systems: 5+ years analyzing complex IT ecosystems and CRM customer data . Integration: 2+ years with RESTful APIs (JSON/XML) and Salesforce . Pluses: Experience with AWS or Kafka . This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. Please apply ...