126 to 150 of 225 Refactoring Jobs in London

Lead Software Engineer - FIXED INCOME UK

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
drive awareness and use of new and leading-edge technologiesUse AI-assisted tools to accelerate engineering work while maintaining controls, including: Drafting/refactoring code and documentation with validation via tests, code review, and static/security scanning. Generating and expanding test scenarios (edge cases, regression suites) and verifying correctness ...

Lead Software Engineering - Python - Front Office Quant Developer

Location
Greater London, England, United Kingdom
authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Salesforce Engineer, Business Technology Team

Location
Greater London, England, United Kingdom
APIs with internal and third-party cloud solutions Improve and build solutions to address architectural gaps or technical debt, and monitor performance, scalability, and refactoring needs QUALIFICATIONS Minimum of 5+ years of Salesforce application development experience, with hands-on Salesforce CPQ expertise (product and pricing configuration, bundles, quoting, and approval ...

Lead Software Engineer - FIXED INCOME UK

Location
Greater London, England, United Kingdom
drive awareness and use of new and leading-edge technologies Use AI-assisted tools to accelerate engineering work while maintaining controls, including: Drafting/refactoring code and documentation with validation via tests, code review, and static/security scanning. Generating and expanding test scenarios (edge cases, regression suites) and verifying ...

Lead Software Engineer (UI) — Digital Markets Execution Technology (DMET), Execute

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Senior Lead Software Engineer - Backend Engineering - Java/Kotlin

Location
Greater London, England, United Kingdom
governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test acceleration, release readiness, incident/root-cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing) and promoting reuse of proven ...

Lead Software Engineer - Python / AI - Athena Core - Vice President

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test acceleration, release readiness, incident/root-cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing) and promoting reuse of proven ...

Staff Software Engineer - Global KYC and Onboarding

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
decisions, and celebrate both technical excellence and customer impact. Right now we're focused on building KYC/FinCrime as a configuration-driven product, refactoring and building new scalable microservice systems, and increasing automation using ML/AI where it genuinely improves decisioning, review quality, and operational efficiency — with safe ...

Senior Software Architect

Hiring Organisation
TeamViewer
Location
London, UK
Employment Type
Full-time
Productivity: Use and promote AI-assisted engineering tools such as GitHub Copilot, Cursor, Claude Code, or comparable tools to improve development workflows, code quality, refactoring, testing, and team effectiveness. Practical AI Engineering Awareness: Stay current with relevant AI engineering practices, including concepts such as context windows, custom instructions, agentic workflows ...

Senior Software Engineer I (JavaScript))

Hiring Organisation
Elsevier
Location
London, UK
Employment Type
Full-time
engineers who are enthusiastic about using AI tools as part of their day-to-day workflow. This includes using AI to accelerate implementation, support refactoring, generate tests, investigate issues, improve documentation, and assist with code review. You should be comfortable experimenting with AI to accelerate development while applying strong engineering ...

Software Engineer III - Backend Engineering - Java/Kotlin

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team ...

Lead Software Engineer - Backend Engineering - Java/Kotlin

Location
Greater London, England, United Kingdom
authorized AI‐assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI‐assisted code review/refactoring, test strategy acceleration, incident/root‐cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Senior Lead Software Engineer- Squad Lead- JPM Personal Investing

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test acceleration, release readiness, incident/root-cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing) and promoting reuse of proven ...

Senior Full Stack Engineer - Lyst Shop (11 Month FTC - Maternity Cover)

Location
Greater London, England, United Kingdom
APIs using Python frameworks such as Django. Quality & Craftsmanship: You care deeply about writing readable, maintainable, and well-tested code. You are comfortable refactoring existing systems to improve long-term sustainability rather than working around technical shortcomings. Collaboration & Communication: You communicate clearly and work effectively across disciplines. You can explain ...

Python Developer / Team Lead - FinTech

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Python Developer/Team Lead you'll head up a small, talented tech team to deliver new features and enhancements as well as some refactoring work, contributing to the core banking platform which integrates with major players such as HSBC. There's a relatively young codebase and lots ...

Software Engineer II - Python

Location
Greater London, England, United Kingdom
guidance Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards. Designs, develops, codes, and troubleshoots with consideration of upstream ...

Senior Kotlin Developer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
building backend services in Kotlin • Deep experience with XP practices, including: Mob programming as a primary way of working Test‐driven development (TDD) Continuous refactoring and clean code discipline • Cloud experience in CARE Cloud/GCP, including: GKE and/or Cloud Run Cloud SQL, Memorystore Artifact Registry, Cloud Logging ...

Front-end Software Engineer III

Location
Greater London, England, United Kingdom
authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team ...

Python Software Engineer III

Location
Greater London, England, United Kingdom
respect Leverage enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards Apply knowledge of tools within the Software Development Life ...

Software Engineer

Location
Uxbridge, England, United Kingdom
build. Accept feedback and adapt to your team and the company's current priorities. The Must Haves Test Driven Development, Pair Programming, Clean Code & Refactoring, System Design Observability, "you build it you run it" attitude Product mindset Good communication, giving and receiving feedback Desirable skills Event-Driven Architecture; SOLID principles ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
safe to ship. Communicate technical trade‐offs clearly to trading, compliance, infrastructure and middle‐office stakeholders; manage risk and upset honestly. Identify and drive refactoring toward the target architecture as the platform grows. Experience/Competences 10+ years in financial services building complex front‐office trading systems with demonstrated technical ...

Software Engineer III - Backend Engineering - Java/Kotlin

Location
Greater London, England, United Kingdom
authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team ...

Lead Fullstack Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
integrations. Collaborate closely with product owners, architects, and stakeholders to refine requirements and drive technical decisions. Ensure code quality, maintainability, and performance through reviews, refactoring, and standards enforcement. Support CI/CD processes using tools such as Jenkins and Git. Provide technical troubleshooting, root cause analysis, and production support where ...

Lead Software Engineering - Java -ETT - Options Algorithmic Trading

Location
Greater London, England, United Kingdom
authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective ...

Lead Cloud Engineer

Location
Greater London, England, United Kingdom
including EKS, Kubernetes, networking, identity, and observability capabilities supporting enterprise-scale workloads Drive cloud migration programmes end-to-end , including application assessment, readiness analysis, refactoring strategies, and transition planning Shape and deliver platform roadmaps , enabling scalable, resilient, and cost-efficient cloud operations Champion automation-first engineering , using Infrastructure-as-Code ...