1 to 25 of 51 Clean Code Jobs in the South East

Senior Java Engineer - AWS, API - (2 days on site)

Hiring Organisation
Salt Search
Location
South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
pipelines using tools such as Jenkins, GitHub Actions, or AWS CodePipeline. Work with containerisation technologies (Docker) and orchestration platforms (ECS/EKS). Ensure code quality through unit, integration, and automated testing. Apply secure coding practices, including OAuth2/JWT authentication and general security best practices. Collaborate with cross … functional teams to deliver high-impact features and improvements. Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Skills & Experience Strong proficiency in Java, Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Solid understanding ...

Senior Web Developer - Full stack

Hiring Organisation
Hireful
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Redefine Higher Education Tech with Your Web Expertise Join a team where your code impacts 350+ institutions worldwide. As our new Senior Web Developer, you'll shape the future of education technology while growing your skills in a supportive, purpose-driven environment. What you'll be doing … interfaces that set the standard for accessibility Leverage your SQL skills and server-side development experience in C# or similar Mentor team members through code reviews and collaborative problem-solving Champion clean code, security, performance, and industry best practices What we offer Hybrid working (2 days ...

Senior Full-Stack Developer

Hiring Organisation
Hireful
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
proven track record of building User interfaces, solid SQL experience and confidence with server-side development in C# or similar. You care about clean code, security, performance and best practice, and you enjoy mentoring others through code reviews and collaboration. Experience with legacy .NET, and modern APIs ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
performance, and mentoring less- experienced engineers in workflow-centric delivery. This is an ideal role for someone who enjoys solving complex process problems through clean code, automation, and modern engineering practices. The role involves visiting client sites; the company will cover travel expenses. Frequency is uncertain but candidates … maintain automated test suites, CI/CD pipelines, and containerised deployments Optimise Camunda engine performance and monitor workflow metrics for production environments Participate in code reviews, peer testing, and technical design discussions Contribute to their internal best-practice frameworks and automation accelerators Essential Eligible (have resided ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
architecture , ensuring solutions are secure, scalable and future-ready Translate business strategy into robust technical designs , balancing innovation with resilience Set the standard for clean code, engineering best practice and quality across teams Drive modernisation initiatives , reducing technical debt and improving performance Champion DevOps, CI/ ...

Lead Full Stack Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum plus benefits
uncertain areas of work Break down requirements into deliverable epics and user stories alongside product and initiative managers Develop and deliver production-ready code across the full stack Ensure high standards of quality, maintainability, performance and security Support and improve live systems once deployed Influence technical direction, tooling … 10+ years) 5+ years of JavaScript and TypeScript experience Solid background in system design and scalable architectures Experience building large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable code) Experience working in mature CI/CD and continuous deployment environments A commercial mindset ...

Lead Full Stack Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Chichester, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum plus benefits
uncertain areas of work Break down requirements into deliverable epics and user stories alongside product and initiative managers Develop and deliver production-ready code across the full stack Ensure high standards of quality, maintainability, performance and security Support and improve live systems once deployed Influence technical direction, tooling … 10+ years) 5+ years of JavaScript and TypeScript experience Solid background in system design and scalable architectures Experience building large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable code) Experience working in mature CI/CD and continuous deployment environments A commercial mindset ...

Technical Lead Full Stack Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum Benefits
hands-on leadership role. You'll be involved from early design through to production deployment, working in a modern cloud environment, where code ships to live environments daily. Tech Environment You'll work with a modern stack including: TypeScript, JavaScript Microservices Architecture Redis, SQL Server & Snowflake AWS cloud infrastructure … years' commercial TypeScript experience Strong Node.js expertise Proven background in system design and scalable architectures Experience building and operating large, production SaaS platforms A clean-code mindset (SOLID principles, design patterns, testable systems) Experience working within mature CI/CD environments Strong commercial awareness when designing solutions Confident ...

Lead PySpark Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£281 - £292 per day
pipelines and Data Marts using PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement … rigorous CI/CD, unit testing, and data reconciliation frameworks to ensure "penny-perfect" accuracy. Technical Stack Engine: PySpark (Expert), Python (Clean Code/SOLID principles). AWS: EMR, Glue, S3, Athena, IAM, Lambda. Data Modeling: SCD Type 2, Fact/Dimension tables, Data Vault/Star Schema. ...

Java Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £900 per day
data processing architectures Working with large and complex datasets, ensuring performance and 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 ...

Senior Software Engineer C#

Hiring Organisation
Luxion Group Limited
Location
Eastleigh, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Unfortunately, we are unable to offer sponsorship for this role Were looking for a Senior Software Engineer who loves solving complex problems and building clean, scalable systems that make a real impact. If you enjoy solving complex engineering challenges with modern tech and clean, scalable code, then … role in driving technical excellence across the team. As a senior software engineer, youll also mentor colleagues, guide technical decisions, and carry out thoughtful code reviews that help foster a culture of learning, collaboration, and high-quality engineering. This is a chance to join a highly important team within ...

Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Portsmouth, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code a must If you have the relevant skills for this role and are ready for the challenge then please send your ...

Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£50,000
React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code a must If you have the relevant skills for this role and are ready for the challenge then please send your ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum environments, value clean code, and are eager to work with modern tooling, cloud services, and containerised deployments, we’d love to hear from you. Key Skills ...

Senior Quality Engineer

Hiring Organisation
Ageas Insurance Limited
Location
Chandler's Ford, Eastleigh, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Skills and experience you need as Senior Quality Engineer: Strong programming skills in Java (or similar modern language) with understanding of object-oriented design, clean coding and refactoring. Experience designing, implementing, and maintaining automated test solutions across UI, API and integration layers. Experience testing large enterprise systems, including front ...

Full Stack Engineer (Outside IR35)

Hiring Organisation
Ernest Gordon Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £475 per day
Stack Engineer with experience with JavaScript, TypeScript, MongoDB, React and Node.js and are happy to work fully remote. THE ROLE: Design, deploy and maintain clean code Build scalable backend services in Node.js and TypeScript Design and maintain relational and document databases in PostgreSQL and MongoDB Troubleshoot all systems ...

Full Stack Web Developer (e-commerce)

Hiring Organisation
Ernest Gordon Recruitment
Location
Eastbourne, East Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
strong PHP, .NET or similar technologies skills, while being proficient with front-end. The Role Web Developer responsibilities Learn from senior developers how to code in Adobe ColdFusion Help plan and map the SDLC Write clean code in both front end and back end languages The Person ...

Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
ideal candidate will have the following skills and experience: * Strong commercial experience using SQL for querying, joins and aggregations, with the ability to write clean, efficient code. * Proven experience building dashboards in Power BI or similar data visualisation tools. * Comfortable working in smaller, agile environments and contributing across different ...

Databricks Data Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
craftsmanship with data architecture expertise. Key responsibilities: Model complex data sets using DBT Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance, privacy, and quality monitoring, ensuring full compliance with data protection standards. Create ...

PHP Developer

Hiring Organisation
Carro Group
Location
Milton Keynes, England, United Kingdom
Laravel framework Experience working with databases (MySQL or similar) Understanding of API development Ability to work collaboratively within a development team Passion for writing clean, maintainable code Required Skills Strong experience with PHP development Commercial experience using the Laravel framework Experience working with databases (MySQL or similar) Understanding … development Ability to work collaboratively within a development team Passion for writing clean, maintainable code ...

Graduate Software Developer | 50,000–60,000 | Hybrid (London / Remote).

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, OTE
Ready to build software that actually matters? Join a team where you’ll be solving real-world problems from day one — not just writing code in the corner. We’re looking for an ambitious Graduate Software Developer who loves tackling technical challenges, learning fast, and working with smart, supportive … Stack Engineer role within 12–24 months. What You’ll Do Design and build high-performance software used by thousands of users daily Develop clean, efficient, and scalable code in Python, C++ or JavaScript Collaborate with engineers, data scientists, and product teams on exciting new features Contribute ...

Junior Data Engineer

Hiring Organisation
Chambers and Partners
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
extra time in assessments, video interviews to combat travel-based issues and advice on expected interview topics/questions. Main Duties and Responsibilities Write clean and testable code using SQL and Python scripting languages, to enable our customer data products and business applications Build and manage data pipelines … notebooks, deploying code in a structured, trackable and safe manner Effectively create, optimise and maintain automated systems and processes across a given project(s) or technical domain Analyse, profile and plan work, aligned with project priorities Perform reviews of code, refactoring where necessary Deploy code ...

Python Developer SC - Contract 6M

Hiring Organisation
Rising Associates Ltd
Location
Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
APIs, background tasks) Developing web applications (Flask, FastAPI, or Django) Supporting legacy system modernisation & data migrations Working with SQL databases (PostgreSQL/MySQL) Writing clean, testable code and contributing to CI/CD pipelines Collaborating in a DevOps-driven, containerised (Docker) environment What were looking for: Strong Python ...

Software Developer

Hiring Organisation
Profectus Recruitment
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
features across Salesforce, Azure, and backend services Working with C#, Python, JavaScript/TypeScript and REST APIs Contributing to architecture and design discussions Writing clean, testable, maintainable code Collaborating within a small, agile team on code reviews and planning Leveraging AI tools as part of your development ...