251 to 275 of 275 Refactoring Jobs in London

Lead Motion Editor - ILM London

Hiring Organisation
Disney Interactive
Location
London, United Kingdom
Salary
£ 60 K
transitions between distinct animation clips.Support junior team members through proactive mentorship, ensuring technical excellence by providing expert troubleshooting and continuous skill development.Develop new methodologies, refactoring existing workflows, troubleshooting issues and more.Leading the team on projects and helping with technical requests.Taking care of dailies when the supervisor is not available.What ...

Software Engineer

Location
Greater London, England, United Kingdom
frontends from the ground up at startups, and understand the tradeoffs of moving fast without accumulating unmanageable technical debt Have experience re-imagining and refactoring frontend codebases so they scale reliably as a product and team grow (e.g. component libraries, design systems, shared tooling) Use AI coding agents ...

Solutions Consultant

Hiring Organisation
Canon
Location
Uxbridge, Middlesex, United Kingdom
Salary
£ 70 K
Participate in trend analysis of all incidents and Root Cause Analysis of Major/Top incidents Drive resulting improvements preventing reoccurrence by either technical refactoring that can be absorbed in project releases or propose changes for budget approval. Drive Compliancy controls for the delivery of applications with evidence:Zero deficiency ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
frameworks including Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Experience leveraging AI-assistive development tools for scaffolding, refactoring, debugging, test generation, and documentation Experience building or integrating AI/ML-powered features Experience with automated testing Experience debugging and refactoring pre-existing code ...

Python Developer / Team Lead - FinTech

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
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 whi click apply for full job details ...

RL Environment Data Engineer / Researcher

Location
Greater London, England, United Kingdom
especially in Python, with the ability to independently build data pipelines, environments, and evaluation tools. - Proficiency with AI coding tools for code generation, debugging, refactoring, and rapid experimentation. - Solid understanding of reinforcement learning, post-training, reward function design, environment design, and data evaluation. - Ability to translate real-world tasks into ...

Short-Term Power Market Analyst

Location
Greater London, England, United Kingdom
analyst is also responsible in improving robustness of the applications of the team by adding unit tests on critical parts of the applications and refactoring unstable functions he/she uses in his projects. The analyst must take part actively to the peer reviews of the junior analysts in order ...

Java Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£40,000
employees. We are passionate about training, technology and career development. Role Overview We are seeking an experienced Java Developer to support a major application refactoring and migration programme. Working as part of a large, multi-disciplinary programme team, you will collaborate closely with client stakeholders, architects, developers, and delivery teams … modern cloud-native development practices. Key Responsibilities Design, develop, and maintain enterprise Java applications as part of a large-scale transformation programme. Support the refactoring and migration of legacy applications to AWS cloud environments. Collaborate directly with client teams and programme stakeholders to gather requirements and deliver technical solutions. Develop ...

Salesforce Delivery Lead (Journey Circle)

Hiring Organisation
The Travelers Indemnity Company
Location
London, United Kingdom
Salary
£ 100 K
waste.Plan and facilitate Program Increment planning events; ensure work is incorporated in Program Increment plans and capacity is reserved for technical and operational enablers, refactoring, and unknowns.Build feedback loops through cross-team reviews and engage all key stakeholders, promoting faster learning cycles.Drive relentless improvement through multi-team retrospectives, metrics, assessment ...

Salesforce Delivery Lead (Journey Circle)

Location
Greater London, England, United Kingdom
Plan and facilitate Program Increment planning events; ensure work is incorporated in Program Increment plans and capacity is reserved for technical and operational enablers, refactoring, and unknowns. Build feedback loops through cross-team reviews and engage all key stakeholders, promoting faster learning cycles. Drive relentless improvement through multi-team retrospectives ...

Principal Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
landscape by: • Leading the containerisation of complex Java applications and services. • Assessing existing codebases and identifying the changes required to support containerised deployment. • Replatforming, refactoring and rebuilding legacy systems where necessary. • Improving developer tooling, pipelines and the inner development loop. • Integrating applications with CI/CD pipelines. • Implementing automated smoke … Java applications, including codebases not originally designed for containerisation. • Strong knowledge of developer tooling, delivery pipelines and the inner development loop. • Proven experience replatforming, refactoring and rebuilding complex systems. • Expertise in CI/CD pipeline integration. • Experience implementing automated smoke testing across non-production environments. • The ability to interpret automated ...

Lead C++ / Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our ...

Software Engineer - Affiliate Operations

Location
Greater London, England, United Kingdom
About the Team Affiliate Operations powers the technology that connects millions of shoppers with the world's leading fashion brands. Our squad builds the platforms, data products, marketing services, and bidding systems that drive business ...

Lead C++ / Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our ...

2027 Software Engineer Program - Full-time - Glasgow, London

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
managers, and stakeholders across teams to understand problems, share ideas and feedback, and deliver reliable solutions.Leverage approved AI development tools (for example, code generation, refactoring, test creation, and documentation) to improve code quality and productivity, while validating outputs through peer review, automated testing, and secure coding practices.Apply automation and modern … modern tooling to reduce manual effort and improve consistency across the software development life cycle.Use approved AI development tools (for example, code drafting, refactoring, testing, and documentation) with appropriate review and validation.Critically evaluate AI-generated outputs and remain accountable for final solution quality and correctness.Follow responsible AI practices in engineering ...

Principal Data Engineer

Hiring Organisation
DASSAULT SYSTÈMES
Location
London, United Kingdom
Salary
£ 80 K
time ingestion pipelines using Kafka, AWS, and Snowflake. Write robust enterprise services in Java or Scala, leveraging AI coding assistants for rapid code generation, refactoring, and performance tuning.Technical Strategy & Database Optimization: Promote technical direction and engineering best practices across teams for Change Data Capture (CDC), clustering, data migration, and aggregation. … patterns.AI-Augmented Engineering Proficiency: Active, practical experience integrating AI developer tools (e.g., GitHub Copilot, Cursor) into daily workflows to accelerate SQL query generation, code refactoring, automated testing, and technical documentation drafting.Engineering Rigor & Methodologies: Proven command of Git revision control, CI/CD pipeline automation, and TDD/BDD practices, augmented ...

Principal Data Engineer

Location
Greater London, England, United Kingdom
time ingestion pipelines using Kafka, AWS, and Snowflake. Write robust enterprise services in Java or Scala, leveraging AI coding assistants for rapid code generation, refactoring, and performance tuning. Technical Strategy & Database Optimization: Promote technical direction and engineering best practices across teams for Change Data Capture (CDC), clustering, data migration … Augmented Engineering Proficiency: Active, practical experience integrating AI developer tools (e.g., GitHub Copilot, Cursor) into daily workflows to accelerate SQL query generation, code refactoring, automated testing, and technical documentation drafting. Engineering Rigor & Methodologies: Proven command of Git revision control, CI/CD pipeline automation, and TDD/BDD practices, augmented ...

Software Engineer III

Location
Greater London, England, United Kingdom
output quality, or automating regression checks for non‐deterministic behaviour. Experience improving an existing or legacy codebase: adding tests to code that had none, refactoring safely, or paying down technical debt. Breadth across more than one of: desktop applications, mobile, backend services, embedded or systems software. CI/CD experience … output quality, or automating regression checks for non‐deterministic behaviour. Experience improving an existing or legacy codebase: adding tests to code that had none, refactoring safely, or paying down technical debt. Breadth across more than one of: desktop applications, mobile, backend services, embedded or systems software. CI/CD experience ...

Tech Lead - AWS Cloud Migration

Location
Greater London, England, United Kingdom
join their team. ABOUT YOU & THE ROLE As an Tech Lead on the AWS Cloud Migration, you will provide technical leadership across the refactoring of legacy applications for a Tech Debt programme. Embedded alongside client teams and a broader programme network, you will guide technical design, ensure architectural alignment … guarantee alignment with enterprise architecture direction and standards. Quality Assurance: Reviewing and assuring the quality of critical technical artefacts, codebases, and architectural documentation. Refactoring Strategy: Guiding the architectural breakdown and refactoring of legacy technical debt into modern, scalable cloud components. Cross-Functional Collaboration: Partnering directly with client teams, specialists ...

AI-Native Software Engineer

Location
Greater London, England, United Kingdom
monolith, including the parts where AI tooling struggles due to size and interdependencies, and find pragmatic ways to stay productive there. Use AI-assisted refactoring to actively improve the monolith over time, not only work around it - addressing technical debt in the parts you touch through incrementally, so the codebase … helps and where it does not. A bias toward improving the codebase you inherit, not just navigating around its limits - comfortable using AI-assisted refactoring to modernise legacy code in place, with a concrete example of having done it. Hands-on experience with code documentation techniques that give AI code ...

Staff/Lead Software Developer (AI Agents & Integrations)

Location
Greater London, England, United Kingdom
capabilities. Build practical benchmarks and evaluation frameworks for AI-assisted C++ development scenarios. Prototype and validate new AI workflows, including debugging, code understanding, refactoring, and project navigation. Collaborate with product managers, ML engineers, QA engineers, stakeholders, and senior developers to shape and deliver the roadmap. Work closely with the company … Nice to have Experience with C++ development workflows, compilers, debuggers, language tooling, or developer productivity products. Experience with IDE internals, language servers, code analysis, refactoring systems, or static analysis. Experience leading small teams or acting as a technical lead. Experience working on AI-native developer products. Why this role ...

AI Application Architect

Hiring Organisation
Avanade
Location
London, United Kingdom
Salary
£ 70 K
Introduction Join Avanade’s Global Integrated Center of Excellence (ICOE) as a hands-on AI Application Architect, helping design intelligent, agentic, cloud-native applications. You will apply advanced AI techniques to accelerate every phase of ...

Genesis-World: Core Simulation Engine Engineer

Location
Greater London, England, United Kingdom
Events triggered by physics: press the button and the microwave door pops open, squeeze the trigger and the drill spins. Keep the core sharp. Refactoring legacy subsystems, stronger typing, consistent coding style, less Python overhead on hot paths, full scene serialization, telemetry and replay. Beyond the code: you review issues … works, and how it is used, a picture you can partly build on the job. Strong Python engineering on large codebases: architecture, refactoring, typing, packaging, performance profiling (py-spy, Nsight, Xcode Instruments, RenderDoc). Developer tooling, test infrastructure, or CI at scale. Enough fluency with JIT compilation, code generation ...

Core Simulation Engine Engineer

Location
Greater London, England, United Kingdom
with the core team Answer questions from users and contributors Support adoption of Genesis-World Requirements Strong Python engineering on large codebases, including architecture, refactoring, typing, packaging, and performance profiling Experience with developer tooling, test infrastructure, or CI at scale Fluency with JIT compilation, code generation, or GPU computing stacks … CUDA, or Metal Bonus: developer relations or community work Core Competencies Demonstrates strong Python engineering skills on large codebases, with a focus on architecture, refactoring, and performance profiling. Proficient in debugging across multiple operating systems and has a solid understanding of physics and robotics in simulation environments. Highest-signal resume ...

Structured Products Quant

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
across the financial markets and are looking to expand to meet high demand from clients. The role: Building a fee aggregator for Structured Products Refactoring Fixed Income Data The successful candidate must have be: • MSc or PhD in a STEM Subject • 6 years in Quantitative Analysis • Refactoring experience • Chaos Functions ...