20 of 20 Refactoring Jobs in the South East

Senior Software Engineer

Location
Burgess Hill, England, United Kingdom
Experience with cloud platforms such as AWS, GCP, or Azure and API or event-driven architectures (preferred) Understanding of mainframe modernization strategies, including rehosting, refactoring, or replacement (preferred) Experience in financial services or similar large-scale transactional systems (preferred) Exposure to CI/CD pipelines, Git-based source control ...

Senior Software Engineer

Location
Reading, England, United Kingdom
participates in agile ceremonies Partners with Product; translates business requirements into technical solutions with balanced judgement Balances technical debt; makes informed decisions about refactoring versus new development Demonstrates strategic thinking; considers trade‐offs, prioritises efforts and drives innovation Shows adaptability; embraces alternative approaches when new information emerges Communicates effectively; documents ...

Python Developer

Location
Reading, England, United Kingdom
them quickly and improve them safely over time. Key responsibilities: Build and maintain production Python services and APIs, while improving existing components through structured refactoring Integrate LLM APIs and develop practical AI capabilities across live platforms Take ownership of production issues, testing, observability and ongoing platform reliability Strengthen application security ...

Python Developer - AI / LLM Platform

Hiring Organisation
Ncounter
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
them quickly and improve them safely over time. Key responsibilities: • Build and maintain production Python services and APIs, while improving existing components through structured refactoring • Integrate LLM APIs and develop practical AI capabilities across live platforms • Take ownership of production issues, testing, observability and ongoing platform reliability • Strengthen application security ...

Senior Full Stack Developer (Kotlin, React) - Banking - London

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £700.00 per day
ship frequent releases, and have a real influence on product and technical direction. How we build XP practices: Test-Driven Development, pair programming, continuous refactoring, trunk-based development, and frequent production releases. Human-in-the-loop AI: We use GitHub Copilot to improve quality while keeping humans in control. ...

Go Lang Developer

Hiring Organisation
Square One Resources
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£280 - £290/day
comfortable using modern AI-assisted development tools in their day-to-day engineering work, including tools for: Code generation and code completion Code refactoring and optimisation Debugging and troubleshooting Unit test generation Documentation Developer productivity and automation Responsibilities Design, develop, test and maintain high-quality software applications Write clean, efficient ...

Senior Modelling Software Engineer - Chronos

Location
Oxford, England, United Kingdom
modelling codebase. Innovate in wider software architecture and data orchestration to improve scalability and developer experience. Improve code quality and developer experience by refactoring for clarity, strengthening interfaces and simplifying implementations. Champion automated testing and TDD; driving the adoption of modern, agentic-first software engineering practices in the model development ...

Senior C# Engineer

Hiring Organisation
Willis Towers Watson
Location
Reigate, Surrey, UK
Employment Type
Full-time
Working with the Product Owner to define, refine and deliver the product backlogDesigning and documenting software solutions meeting functional and non-functional requirementsImplementing and refactoring product code (C#), following best practices for maintainability, testability and performanceImplementing unit tests, developing test frameworks and associated automated test casesReviewing and debugging code ...

Lead C# Engineer

Hiring Organisation
Willis Towers Watson
Location
Reigate, Surrey, UK
Employment Type
Full-time
Working with the Product Owner to define, refine and deliver the product backlogDesigning and documenting software solutions meeting functional and non-functional requirementsImplementing and refactoring product code (C#), following best practices for maintainability, testability and performanceImplementing unit tests, developing test frameworks and associated automated test casesReviewing and debugging code ...

Full-Stack Software Engineer III

Hiring Organisation
Elsevier
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
Enjoy collaborating with team members to create innovative solutions Have experience with a modern IDE (IntelliJ/VSCode) and proficiency in using the refactoring tools Be open to discussing and honing approaches for our team to improve our working practices Have some experience of test-driven development and mocking libraries ...

Engineering Technical Lead

Hiring Organisation
Softcat
Location
Marlow, Buckinghamshire, UK
Employment Type
Full-time
responsible for: Help us to build standards and drive a whole team approach to qualityLead from the codebase: contributing high-quality production code, refactoring where necessary, and solving complex technical problemsSet technical direction through architectural decisions, patterns, and pragmatic trade-offsMentor engineers through pairing, code reviews, and design discussions—focused ...

Senior Software Engineer - Zero Gravity

Location
Reading, England, United Kingdom
works effectively with product, design andparticipatesin agile ceremonies Partners with Product; translates business requirements into technical solutions Manages technical debt; makes informed decisions about refactoring Demonstrates practical thinking; evaluates trade-offs and contributes to prioritisation Shows adaptability; adopts alternative approaches when needed Communicates effectively; documents decisions and explains technical concepts ...

Data Engineer (Contract)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £460.00 per day
determine how they work, and redesign them within the new architecture. You'll work across: Migrating legacy pipelines and workloads into Snowflake Building and refactoring pipelines using Python Developing orchestration through Airflow/MWAA Infrastructure and deployment using Terraform and Docker Supporting transformation and modelling using dbt Working across both ...

Senior Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
together several existing data processes and platforms into a single, scalable environment. Your role will include: Building and enhancing a Snowflake-centric data platform Refactoring existing Python and SQL processes into a cleaner, more scalable architecture Working across data transformation and modelling within the Silver and Gold layers Improving data ...

SC Cleared Lead Automation Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£475.00 - £525.00 per day
tests using tools such as J-meter, LoadRunner that are part of an existing maintenance test pack. • Play a key role in continuously improving, refactoring as well as work closely with Senior colleagues & product teams to ensure timely bug fixes. • Working with the leadership team and actively participating ...

Analytics Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
elegant data solutions. Focus on usability, documentation, and data clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please ...

Senior Product Security Engineer II

Location
Oxford, England, United Kingdom
secure software delivery practices across applications and CI/CD pipelines* Support triage and remediation of application security findings through practical guidance and secure refactoring recommendations* Facilitate threat modelling activities and translate outcomes into actionable improvements and risk reduction measures* Design and maintain secure-by-default delivery patterns, reusable templates ...

Principal Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
landscape by: • Leading the containerisation of complex Java applications and services. • Assessing existing codebases and identifying the changes required to support containerised deployment. • Replatforming, refactoring and rebuilding legacy systems where necessary. • Improving developer tooling, pipelines and the inner development loop. • Integrating applications with CI/CD pipelines. • Implementing automated smoke … Java applications, including codebases not originally designed for containerisation. • Strong knowledge of developer tooling, delivery pipelines and the inner development loop. • Proven experience replatforming, refactoring and rebuilding complex systems. • Expertise in CI/CD pipeline integration. • Experience implementing automated smoke testing across non-production environments. • The ability to interpret automated ...

Server-side Engineer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
bymobile apps. Based on experience, this role may be entry level, senior or staff. Relevant experience and skills: Building server-side applications Writing code Refactoring code Deleting code Build tools Continuous Integration Fixing bugs Asynchronous code Performance Analysis and Optimization Legacy Code Unit tests Open Source Working in a team ...

Senior Software Engineer – Agentic Engineering x4

Location
Reading, England, United Kingdom
Cursor, GitHub Copilot, Codex or similar coding agents Agentic development or AI-assisted software engineering Automated testing, evals and quality frameworks Legacy modernisation, major refactoring or framework migrations We're particularly interested if you've also been working with: Claude Code, Cursor, GitHub Copilot, Codex or similar coding agents Agentic … development or AI-assisted software engineering Automated testing, evals and quality frameworks Legacy modernisation, major refactoring or framework migrations Investment areas You'll be joining during a major transformation across Technology, with significant investment in: Public cloud migration AI-enabled software engineering #J-18808-Ljbffr ...