1 to 25 of 90 Permanent Refactoring Jobs in London

C#, .NET, Angular , and related technologies Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to More ❯

C#, .NET, Angular , and related technologies Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to More ❯

C#, .NET, Angular , and related technologies Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

to shape how things are built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go More ❯

to shape how things are built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go More ❯

experience with MQ and WAS migrations, including upgrading from older versions (e.g., MQ 7.5 to 9.x, WAS 7 to 9) Expertise in assessing and refactoring application configurations for cloud-native deployments, including containerized environments (e.g., Docker, Kubernetes, Red Hat OpenShift). Knowledge of migration tools such as IBM Cloud Transformation More ❯

experience with MQ and WAS migrations, including upgrading from older versions (e.g., MQ 7.5 to 9.x, WAS 7 to 9) Expertise in assessing and refactoring application configurations for cloud-native deployments, including containerized environments (e.g., Docker, Kubernetes, Red Hat OpenShift). Knowledge of migration tools such as IBM Cloud Transformation More ❯

Azure Solution Architect Expert) is preferred. Must have previous migration experience of complex environments, including a combination of ‘Lift and Shift’ as well as refactoring in-house developed applications. Experience working with Infrastructure as Code is required. Strong understanding of emerging cloud technologies and standards. Strong knowledge of cloud infrastructure More ❯

Azure Solution Architect Expert) is preferred. Must have previous migration experience of complex environments, including a combination of ‘Lift and Shift’ as well as refactoring in-house developed applications. Experience working with Infrastructure as Code is required. Strong understanding of emerging cloud technologies and standards. Strong knowledge of cloud infrastructure More ❯

to front-end infrastructure. Exposure to accessibility standards and inclusive design practices. Enthusiasm for clean, well-documented, and testable code. A thoughtful approach to refactoring legacy systems. **Please note, we cannot offer sponsorship to applicants (or transfer existing visas) at present** Salary: up to £110,000 + bonus + equity More ❯

to front-end infrastructure. Exposure to accessibility standards and inclusive design practices. Enthusiasm for clean, well-documented, and testable code. A thoughtful approach to refactoring legacy systems. **Please note, we cannot offer sponsorship to applicants (or transfer existing visas) at present** Salary: up to £110,000 + bonus + equity More ❯

TypeScript and node.js. The team are also searching for someone who is comfortable using extreme programming engineering practices such as TDD, DDD, Red-Green refactoring and pair programming. Key Competencies: Proficient experience in Full stack development – (Front and Back-end) React, TypeScript and Node.js experience. Exposure to AWS Cloud (Cloud More ❯

TypeScript and node.js. The team are also searching for someone who is comfortable using extreme programming engineering practices such as TDD, DDD, Red-Green refactoring and pair programming. Key Competencies: Proficient experience in Full stack development – (Front and Back-end) React, TypeScript and Node.js experience. Exposure to AWS Cloud (Cloud More ❯