12 of 12 Permanent Refactoring Jobs in London

Java Backend Developer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Write high-quality tests (unit/integration), and contribute to automation and CI/CD pipelines to improve release reliability. Participate in code reviews, refactoring and documentation to improve maintainability, consistency and engineering standards. Contribute to continuous improvement initiatives across observability, reliability, security, and developer experience. Technical Skills & Experience Strong ...

Principal Engineer - Comms Surveillance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Record Keeping. Translate complex technical concepts for both technical and non‐technical stakeholders. Support agile planning, estimation and prioritisation. Identify opportunities for system optimisation, refactoring, and alignment to target architectures. Manage technical risks, issues and dependencies. Benchmark against peer organisations to ensure alignment with regulatory and industry expectations. Experience & Competencies ...

Senior Software Engineer — Lead & Scale Ruby on Rails

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
continuous deployment, and release to production multiple times per day We review each others code, and set aside time for hacking on experimental features, refactoring and/or learning new things We work hard and finish on time, no crazy hours Salary banding: £65,250- £74,000 per annum ...

Senior Backend Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 - 100,000 Annual
maintaining scalable Back End systems Comfortable working with APIs, databases, and distributed systems Strong problem-solving skills and a pragmatic approach to debugging and refactoring Experience working with version control, testing practices, and code reviews Product-minded - able to think beyond the code and understand real user impact Experience working ...

Software Engineering ManagerStrong Node.js+TypeScript+SQL

Hiring Organisation
I3 Resourcing Limited
Location
London, United Kingdom
Employment Type
Permanent
people-manager-only role - they want someone who can still build core systems. AI-Driven Engineering Mindset Use AI for code generation, testing, refactoring Coach others on safe and effective AI usage Improve productivity via AI tools and workflows Translation: my client wants someone already experimenting with things like: GitHub ...

NetSuite Technical Lead - Remote working

Hiring Organisation
Communicate Recruitment Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
transformation, and reporting requirements across teams Troubleshooting & Optimisation Diagnose and resolve script errors, integration issues, and system performance bottlenecks Lead performance optimisation initiatives, including refactoring legacy scripts and improving system efficiency Release & Change Management Manage deployment of customisations across Sandbox and Production environments Ensure controlled releases with minimal disruption ...

Senior DevOps Engineer

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
architecture, and tooling across a huge GCP estate. What Youll Be Doing: Engineering GCP infrastructure products using Terraform & Terraform Cloud. Designing reusable IaC modules, refactoring legacy configs, improving state management. Building automation, tooling and workflows in Python. Developing secure, scalable GCP landing zones with org policies, policy-as-code ...

Data Engineer

Hiring Organisation
Halian Technology Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
leading role in that journey. This isnt a role where you inherit a polished environment. Its an opportunity to shape, modernise, and influence from refactoring legacy pipelines to building best-in-class data products using tools like Databricks, Azure, and GCP. Youll operate as the technical authority within the data ...

Senior Software Engineer - Finance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Node.js Owning meaningful technical problems end-to-end Improving large-scale, data-heavy systems Working closely with users and seeing your impact quickly Refactoring and optimizing systems for speed and scale Required Skills/Qualifications Strong Java Scripting Trading exposure Docker Desirable Skills Experience with Docker and containerised environments Understanding ...

Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
market data, macro, fundamentals, fund and index data, internal holdings, with quality control the PMs actually trust. Use AI coding agents daily for prototyping, refactoring, testing, review, and documentation. Bring opinions on where they help and where they hurt. Build internal AI-backed tooling for the team where it earns ...

Senior .NET Migration Engineer (Cloud Modernization)

Hiring Organisation
Randstad Technologies
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 60,000 Annual
Senior .NET Migration Engineer (Cloud Modernization) Permanent | London (Hybrid) | Tech: .NET 10, Kubernetes, AWS, Terraform, AI Agents The Mission Forget standard "lift-and-shift." We are completely modernizing our Back End estate, moving from a ...

.Net

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
Senior .NET Migration Engineer (Cloud Modernization) Permanent | London (Hybrid) | Tech: .NET 10, Kubernetes, AWS, Terraform, AI Agents The Mission Forget standard "lift-and-shift." We are completely modernizing our backend estate, moving from a legacy ...