Permanent Refactoring Jobs in London

1 to 25 of 110 Permanent Refactoring Jobs in London

Principal DevOps - HO - G6

Croydon, London
Government Digital & Data
processes and standards for cloud resources such as naming, tagging, metadata, backups, data onboarding/migration, and documentation. Selecting appropriate tooling, and specifying, designing, refactoring, and documenting complex scripts, frameworks, and infrastructure-as-code definitions, to automate build and deployment activities. Specifying, guiding, and leading the adoption of CI/ More ❯
Employment Type: Permanent
Salary: £73,900 - £85,690
Posted:

Python Developer

London Area, United Kingdom
Hybrid / WFH Options
Cipher7
and the ability to work independently or within a team. Strong communication skills, both verbal and written. Nice to Have: Experience in migrating or refactoring legacy applications. Familiarity with REST APIs and microservices architecture. Exposure to cloud platforms such as AWS or Azure. More ❯
Posted:

Python Developer

london, south east england, United Kingdom
Hybrid / WFH Options
Cipher7
and the ability to work independently or within a team. Strong communication skills, both verbal and written. Nice to Have: Experience in migrating or refactoring legacy applications. Familiarity with REST APIs and microservices architecture. Exposure to cloud platforms such as AWS or Azure. More ❯
Posted:

System Development Manager

west london, south east england, United Kingdom
Hybrid / WFH Options
TRIA
monoliths vs microservices). Drive consistency in coding standards, code review rigor, and software craftsmanship. Lead critical system architecture decisions, including technology stack evolution, refactoring legacy components, and designing future-state systems. Ensure integration patterns and service contracts across internal and external APIs are robust, secure, and scalable. System Integration More ❯
Posted:

System Development Manager

south west london, south east england, United Kingdom
Hybrid / WFH Options
TRIA
monoliths vs microservices). Drive consistency in coding standards, code review rigor, and software craftsmanship. Lead critical system architecture decisions, including technology stack evolution, refactoring legacy components, and designing future-state systems. Ensure integration patterns and service contracts across internal and external APIs are robust, secure, and scalable. System Integration More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Orgvue Limited
CI/CD) Practical experience of version control systems (Git) Solid knowledge of data structures and algorithms Solid knowledge of functional programming paradigms Experience refactoring code with scale and production in mind Experience with asynchronous architecture Familiar with AWS, Unix/Linux, Git, SQL, and REST Bonus Points for Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
So Energy
software and practices across the company, and leading small iterative improvements every day. Proactively seeking opportunities to improve the system as a whole; simplifying, refactoring and optimising to make development easier for you and your colleagues. Collaborating within a cross-functional and cross-disciplinary team (Frontend, Backend, Product, Data, QA More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer

west london, south east england, United Kingdom
Hybrid / WFH Options
Pomvom [ TASE: PMVM ]
e.g., GitHub Actions) Effective and responsible use of AI-assisted coding tools like Cursor and GitHub Copilot , including: Accelerated feature development Auto-generating tests Refactoring and best-practice suggestions Strong understanding of cloud-native application architecture, scalability, and performance Excellent English communication and collaboration skills 🌟 Nice-to-Have Skills Experience More ❯
Posted:

Full Stack Engineer

south west london, south east england, United Kingdom
Hybrid / WFH Options
Pomvom [ TASE: PMVM ]
e.g., GitHub Actions) Effective and responsible use of AI-assisted coding tools like Cursor and GitHub Copilot , including: Accelerated feature development Auto-generating tests Refactoring and best-practice suggestions Strong understanding of cloud-native application architecture, scalability, and performance Excellent English communication and collaboration skills 🌟 Nice-to-Have Skills Experience More ❯
Posted:

Senior Full Stack Developer

London, United Kingdom
Hybrid / WFH Options
Buyapowa Limited
Vancouver. We are a small, dynamic team focused on delivering impactful projects that enhance joy, productivity, and stability. We value: Test-driven excellence Iteration, refactoring, and continuous improvement Ownership and support for our products Pragmatic technology choices Customer-centered thinking and goal orientation Sustainable work pace As we enter our More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer

London, United Kingdom
Hybrid / WFH Options
EveryMatrix Ltd
on best practices. Deployment-Ready Development: Collaborate with the DevOps Engineer to ensure applications are structured for seamless deployment in containerized and cloud environments. Refactoring & Optimization: Identify and implement improvements to enhance scalability, stability, and performance. Cross-Platform Development: Build and maintain features that run reliably across Windows and Linux More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Quality Engineer

London, United Kingdom
S&P Global, Inc
UI, Services and Data layer tests). Ability to work with developers to build automation/performance friendly code is a plus. Experience in refactoring test automation/performance suites as necessary. Experience working with SOAP and REST service and understanding of SOA architecture. Experience of SQL/PL-SQL More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Quant Developer

London, United Kingdom
LGBT Great
understanding of financial markets and instruments A proponent of strong collaborative software engineering techniques and methods: agile development, continuous integration, code review, unit testing, refactoring and related approaches Strong knowledge of Python Proficient on Linux platforms with knowledge of various scripting languages Experience of data analysis techniques along with relevant More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Machine Learning Engineer (Agentic Infrastructure)

London Area, United Kingdom
Hybrid / WFH Options
Codesearch AI
enterprise environments Collaborate with the founding team to integrate models into internal and external user flows Write clean, production-ready code - often improving or refactoring existing prototypes Think holistically about agent lifecycle , observability, failure handling, and scalability Help define the tech stack and architecture for core components of the platform More ❯
Posted:

Lead Machine Learning Engineer (Agentic Infrastructure)

london, south east england, United Kingdom
Hybrid / WFH Options
Codesearch AI
enterprise environments Collaborate with the founding team to integrate models into internal and external user flows Write clean, production-ready code - often improving or refactoring existing prototypes Think holistically about agent lifecycle , observability, failure handling, and scalability Help define the tech stack and architecture for core components of the platform More ❯
Posted:

Senior Full Stack Engineer (.Net/React)

London, United Kingdom
Hybrid / WFH Options
Honeycombsoft
Prioritize security, maintainability, scalability, code quality, and future-proofing. Assist with cloud infrastructure maintenance, monitoring, and alerting. Manage multiple development threads, including feature development, refactoring, bug fixing, client customizations, and data mapping. What we're looking for: Strong technical background with experience collaborating with distributed teams. Excellent communication, analytical skills More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Java Backend

London, United Kingdom
Hybrid / WFH Options
NinjaOne, LLC
Redis helpful Experience with Test-Driven Development Code test coverage through Unit or Integration tests The habit of constant code and system improvement by refactoring and thinking critically about the system Written and verbal English communication skills is required Experience working in agile teams Experience working remotely Experience in tooling More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Java Backend London, United Kingdom

London, United Kingdom
Hybrid / WFH Options
NinjaOne, LLC
Redis helpful Experience with Test-Driven Development Code test coverage through Unit or Integration tests The habit of constant code and system improvement by refactoring and thinking critically about the system Written and verbal English communication skills is required Experience working in agile teams Experience working remotely Experience in tooling More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Rust Engineer

london, south east england, United Kingdom
Intellias
trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Perform code reviews Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate effectively with engineers and other team members, transfer More ❯
Posted:

Senior Rust Engineer

south west london, south east england, United Kingdom
Intellias
trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Perform code reviews Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate effectively with engineers and other team members, transfer More ❯
Posted:

Senior Rust Engineer

west london, south east england, United Kingdom
Intellias
trade-offs to management and other teams Participate in technical discussions to find the right architecture/design solution Contribute to architectural planning and refactoring Perform code reviews Defect analysis and fixing Report the status, results and roadblocks Conduct an interviews Collaborate effectively with engineers and other team members, transfer More ❯
Posted:

Systems Development Engineer III, Support Engineering, Tooling & Automation (SETA)

London, United Kingdom
Amazon
operations, process, or post-incident analysis for your team. You will actively participate in reviews of systems owned by partner teams. Drive automation and refactoring of existing solutions, including incorporating new generative AI and machine learning components. Ensure scalability, reliability and efficiency of automation processes. Report and analyze usage statistics More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
CDP
such as Azure DevOps). Experience in TDD is essential and comfortable writing tests. Proactively identify opportunities to improve usability, performance, and scalability while refactoring and reducing technical debt. Exposure to relational databases with knowledge of SQL. Familiarity with infrastructure-as-code (e.g., Terraform) is preferred but not essential. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Microsoft SQL Developer - Fintech SaaS. Full Remote

City, London, United Kingdom
Hybrid / WFH Options
RecruitmentRevolution.com
UDF's • Have in-depth knowledge of SQL Internal Architecture (Metadata, Indexes, Statistics etc.) • Skilful in performance tuning (using all available tools/techniques), refactoring existing SQL, monitoring high availability clusters and patching live systems • Experienced in SQL CLRs, SSRS, and Power BI • As a key member of the team More ❯
Employment Type: Permanent
Salary: GBP 70,000 Annual
Posted:

Senior Microsoft SQL Developer - Fintech SaaS. Full Remote

WC1A, Covent Garden, Greater London, United Kingdom
Hybrid / WFH Options
RecruitmentRevolution.com
UDF's • Have in-depth knowledge of SQL Internal Architecture (Metadata, Indexes, Statistics etc.) • Skilful in performance tuning (using all available tools/techniques), refactoring existing SQL, monitoring high availability clusters and patching live systems • Experienced in SQL CLRs, SSRS, and Power BI • As a key member of the team More ❯
Employment Type: Permanent
Salary: £70000/annum + Benefits
Posted:
Refactoring
London
10th Percentile
£60,000
25th Percentile
£70,000
Median
£100,000
75th Percentile
£111,250
90th Percentile
£140,000