16 of 16 Contract TDD Jobs in London

Front End Developer - Active SC

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + Up to £550 per day - Inside IR35
within the Public Sector. Active SC Clearance. NPPV3 Clearance eligibility. Hands-on React and TypeScript experience across large microservice architectures. Proficiency in test-driven development (e.g., JUnit, Mockito) and building robust, well-tested applications. Skilled in containerisation with Docker and relational databases such as Postgres (Liquibase exposure ...

Backend Software Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + up to £550pd (inside IR35)
Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident containerising and deploying applications Test-Driven Development (JUnit & Mockito or similar testing frameworks) CI/CD: Hands-on experience with Jenkins or similar automated pipeline tooling Flexibility working ...

.NET Developer, CMS, Sitecore, Optimizely

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum and Kanban. This is a unique opportunity to join a forward-thinking digital agency that truly values creativity, innovation and its people. Location ...

Python Software Engineer

Hiring Organisation
Apex Systems US
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£80 - £90/hour
will be proficient in software design focused on a cross-language REST based n-tier architecture and executed using agile methodologies (Scrum, Test Driven Development, unit/integration testing, pair programming, etc.). The successful candidate will be comfortable driving design and architecture, rationalizing business requirements ...

Java Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £900 per day
efficiency Contributing to system design, including microservices and event-driven architectures Writing clean, maintainable code aligned to best engineering practices Applying Test-Driven Development (TDD) and ensuring code quality Identifying and resolving performance bottlenecks Required Experience Strong experience in Java backend development (Java 17+) Proven … data modelling capabilities Experience working on data-intensive or high-throughput systems Solid understanding of microservices and event-driven architecture Experience applying TDD and modern software engineering practices Desirable Experience Experience with messaging technologies such as Kafka Exposure to cloud platforms (AWS, Azure, or GCP) Familiarity with containerisation technologies ...

Senior Java Developer - Multithreading/Caching

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £1,000 per day
reliability across backend services. Diagnose and resolve performance bottlenecks and defects. Follow best-practice engineering standards, design patterns, and architectural principles. Apply Test-Driven Development (TDD) in day-to-day development. Use static code analysis tools such as SonarQube to maintain clean, high-quality code. Work efficiently … management). Proven experience building data processing or data-intensive applications. Solid understanding of modern architectural patterns (Microservices, Event-Driven Architecture). Strong TDD skills and experience using static code analysis (e.g., SonarQube). Clear communication skills with the ability to explain technical concepts to varied audiences. Nice ...

Java Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. … engineering, analysis and design. Essential experience Java and Spring Boot Building and maintaining microservice based systems Postgres or other relational SQL databases Test-driven development (JUnit, Mockito or similar) Docker and containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience ...

C# Developer

Hiring Organisation
Apex Systems US
Location
Bromley, Greater London, Bromley Town, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour
will be proficient in software design focused on a cross-language REST based n-tier architecture and executed using agile methodologies (Scrum, Test Driven Development, unit/integration testing, pair programming, etc.). The successful candidate will be comfortable driving design and architecture, rationalizing business requirements ...

Senior Java Developer - Electronic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
trading workflows Experience with RFQ lifecycles within larger trading ecosystems Solid grasp of: Object-Oriented Design Domain-Driven Design (DDD) Test-Driven Development (TDD) Linux systems experience Networking fundamentals: TCP, UDP, Ethernet, HTTP Hands-on experience with: Performance profiling and monitoring Fault-tolerant system design Infrastructure ...

Senior Software Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming Drive the design and imple click apply for full job details ...

Senior Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming Drive the design and implementation of our systems, knowing the context and why we are imp click apply ...

Oracle Data Engineer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
Support ongoing system upgrades, reliability improvements, and performance optimisation Contribute to cloud-oriented development and infrastructure improvements Work within modern engineering practices including TDD, CI/CD, and Agile delivery Participate in 3rd line support, diagnosing and resolving production issues Identify opportunities to automate or streamline operational and support … software developer Experience working with Java-based systems Solid problem-solving and debugging skills Experience working with databases and SQL Experience with test-driven development (TDD) Experience working in Agile development environments Familiarity with CI/CD pipelines and modern development practices Ability to collaborate ...

Senior Software Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, United Kingdom
Employment Type
Contract
cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming Drive the design and implementation of our systems, knowing the context and why we are implementing what … Proficiency in idiomatic Kotlin for application development Experience: Extensive knowledge of Java programming language (5 years+) 5+ years practical experience in test driven development AI Integration: We have an AI special interest group and are adopting AI based on individual context ...

Agentic AI Lead

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day
FastAPI and Streamlit, Matplotlib, seaborn enabling prototyping. Good understanding of Software Engineering, Architecture, testing, code quality principles and test driven development (TDD) Must Have: Generative AI & LLMs Proficient in context-aware prompts to drive optimal performance from LLMs for summarization, reasoning, extraction, and classification tasks. Hands ...

Senior Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, United Kingdom
Employment Type
Contract
cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming Drive the design and implementation of our systems, knowing the context and why we are implementing what … Proficiency in idiomatic Kotlin for application development Experience: Extensive knowledge of Java programming language (5 years+) 5+ years practical experience in test driven development AI Integration: We have an AI special interest group and are adopting AI based on individual context ...

AI Instructor

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
AI Instructor £500 - £700 per day London, Remote This is an exciting opportunity to lead a high-impact AI training programme focused on modern agentic development. You will help developers adopt advanced AI-driven ...