1 to 25 of 31 Permanent Refactoring Jobs in England

based environments Work with AWS services such as compute, storage, IAM, and networking Support cloud migration and modernization initiatives by updating and refactoring existing solutions Follow established AWS architecture patterns and best practices DevOps & Automation Contribute to CI/CD pipelines for automated build, test, and deployment processes Write ...

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 ...

Desktop applications CI/CD and agile practices TDD Required Experience: C# .NET Framework & .NET Core WinForms/desktop application development MS SQL Server Refactoring and modernisation projects Agile environments CI/CD practices Testing experience (TDD is a bonus) Exposure to cloud (AWS preferred) Desirable: Experience migrating legacy systems ...

pipelines, and AI tooling embedded across the entire development lifecycle. AI is part of how you build, not an afterthought - from prototyping and refactoring to testing and optimisation. You’ll design and develop cloud-native systems that process real-world data at scale You’ll help drive the transition from ...

design, code quality, and mentoring. Key Responsibilities Lead the design and development of backend services using Java and Spring Boot. Drive modernisation and refactoring of legacy Java services. Define and uphold coding standards, architectural patterns, and best practices. Ensure strong test coverage using JUnit and Mockito. Support containerised deployments ...

design A team-first mindset with high standards for quality and craft Desirable: experience using AI-assisted development tools (e.g. for code generation or refactoring) in a pragmatic, quality-conscious way Why you'll love this job Join a tech-led business at a pivotal moment, taking their core product ...

Desktop applications CI/CD and agile practices TDD Required Experience: C# .NET Framework & .NET Core WinForms/desktop application development MS SQL Server Refactoring and modernisation projects Agile environments CI/CD practices Testing experience (TDD is a bonus) Exposure to cloud (AWS preferred) Desirable: Experience migrating legacy systems ...

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 ...

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 ...

deliver technical solutions. Troubleshoot, investigate, and resolve application and production issues. Produce technical documentation and contribute to architectural decisions. Support continuous improvement initiatives, including refactoring and process enhancements. Collaborate with developers, QA teams, and support functions to ensure successful project delivery. Skills & Experience Essential Strong commercial experience with PHP development ...

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 ...

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 ...

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 ...

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 ...

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 ...

schemas, and database structures to support application and integration requirements - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries and reporting workloads within SQL Server, using T-SQL and SQL Server Management Studio - Design and support scalable database patterns ...

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 ...

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 ...

architecture, and best practices. Your work will include: Rebuilding the UI into modular, maintainable React components Setting up a modern framework (Vite or Next.js) Refactoring state management (use Reducer or Zustand) Styling with Tailwind CSS Implementing routing (React Router or Next.js routing) Building a lightweight Node.js backend Adding authentication Integrating ...

Cloud and Service Cloud development Experience with version control, CI/CD, and modern Salesforce tooling (e.g. SFDX, CLI) Desirable (but not essential): Experience refactoring legacy Aura or Visualforce solutions Exposure to Marketing Cloud or other Salesforce products Broader Salesforce certifications beyond Platform Developer I Experience working with third-party ...

Collaborating on system design Delivering high quality software Mentoring team members & coaching them on best practice and improvements Reviewing pull requests Planning and actioning refactoring efforts to support the wider product strategy Developing new features according to specification Triaging and fixing defects Essential Experience: Advanced C++ Expertise - Deep knowledge … upskill developers at various experience levels through hands-on collaboration, code reviews, and knowledge-sharing Technical Debt Reduction - Experience in identifying, prioritising, and refactoring code to improve modularity, testability, and maintainability Architectural/System Design Support - Ability to contribute to architectural decisions and technical strategy, supporting the broader product vision ...

Collaborating on system design Delivering high quality software Mentoring team members & coaching them on best practice and improvements Reviewing pull requests Planning and actioning refactoring efforts to support the wider product strategy Developing new features according to specification Triaging and fixing defects Essential Experience: Advanced C++ Expertise - Deep knowledge … upskill developers at various experience levels through hands-on collaboration, code reviews, and knowledge-sharing Technical Debt Reduction - Experience in identifying, prioritising, and refactoring code to improve modularity, testability, and maintainability Architectural/System Design Support - Ability to contribute to architectural decisions and technical strategy, supporting the broader product vision ...

Airbyte), moving beyond standalone SQL Server environments. Leading integrations – supporting our NetSuite migration and creating scalable data frameworks for future acquisitions. Modernising legacy systems – refactoring complex, business-critical T-SQL into modular, high-performance cloud workflows. Raising engineering standards – introducing Git, CI/CD pipelines, automated testing and best-practice … Engineer 3–5+ years’ experience in Data Engineering, ideally involving cloud warehouse builds or migrations Expert-level SQL/T-SQL with proven experience refactoring and optimising complex logic Hands-on experience with cloud data warehouses (e.g. BigQuery, Snowflake), ingestion tools (Airflow, Airbyte), and analytics tooling such ...

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 ...

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 ...