51 to 75 of 85 Remote Refactoring Jobs

Remote Open-Source Software Engineer (Contractor)

Location
Cambridge, England, United Kingdom
Labs is seeking skilled Software Engineers to contribute to open-source AI training projects. This remote contractor role focuses on feature development, bug fixes, refactoring, and performance optimization across multiple real-world codebases. Ideal candidates have strong programming skills in Python, Java, Rust, C++, and TypeScript, with experience in open ...

Lead Engineer- UK Tax

Location
United Kingdom
broader architectural standards. Together, they foster a culture of ownership, experimentation, and feedback to deliver high‐quality outcomes. The team is currently working on Refactoring complex, monolithic systems into secure, scalable distributed architectures Optimising quality engineering practices, test‐driven development (TDD), and deployment pipelines Evolving engineering standards and frameworks ...

WAF Security Engineer

Location
City of Edinburgh, Scotland, United Kingdom
pipelines and policy-as-code approaches to deliver secure, repeatable and scalable outcomes. Playing a key role in platform modernisation and service improvements, including refactoring, automation and the reduction of technical debt Driving observability and operational insight by improving monitoring, alerting and telemetry to strengthen platform reliability and incident response ...

WAF Security Engineer

Location
Manchester, England, United Kingdom
pipelines and policy-as-code approaches to deliver secure, repeatable and scalable outcomes. Playing a key role in platform modernisation and service improvements, including refactoring, automation and the reduction of technical debt Driving observability and operational insight by improving monitoring, alerting and telemetry to strengthen platform reliability and incident response ...

Senior Consultant, Product Engineer

Location
Greater London, England, United Kingdom
Product Engineers to use AI effectively in their own work. That may include using AI to generate code drafts, test ideas, explore components, accelerate refactoring or support documentation. But the judgement remains yours. AI can help write code. It cannot own the product intent, system consequences or user trust. # ...

Remote Tech Lead for AWS Cloud Migration

Location
Greater London, England, United Kingdom
Lead to drive the AWS Migration for client applications. Remote, UK with occasional travel to London or Manchester. You will provide technical leadership across refactoring legacy apps, guiding design and ensuring architectural alignment within a broad programme. The role emphasizes collaboration with client teams and suppliers while leveraging Java frameworks ...

Senior Software Engineer - AI Training (Remote)

Location
Manchester, England, United Kingdom
Senior Software Engineer for AI training projects on a remote, part-time basis. The role focuses on real software engineering challenges, including feature implementation, refactoring, performance tuning, and code review across multiple repositories. Ideal candidates have strong software engineering experience, solid knowledge of algorithms and data structures, and comfort working ...

Data Engineer (SC Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day 500-600/day (Inside IR35)
aligned to upstream curated data sources. Analysing/maintaining Power BI datasets, semantic models + reports. Ensuring clean separation between data processing + reporting. Refactoring Power BI models to consume curated + upstream data sources. Ensuring business logic is appropriately implemented upstream rather than embedded in reports. Validating report behaviour ...

Java Software Developer - Trading Systems (Remote) Amsterdam or London

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
working software Review code and contribute to engineering standards across the teamWhat they are looking for Strong Java engineering experience with excellent debugging and refactoring skills Solid computer science fundamentals, including algorithms, data structures and systems design Experience building scalable, automated and maintainable software with strong testing discipline Comfortable working ...

Application Database Administrator

Location
East Midlands, England, United Kingdom
optimisation skills. Experience planning and executing backup, recovery, and disaster recovery processes. Expertise in database security, access controls, and compliance requirements. Experience converting or refactoring Oracle PL/SQL procedures for DB2 environments. Strong troubleshooting and root cause analysis capabilities. Experience supporting business-critical production database platforms. Desirable Skills Experience ...

Maximo Database Administrator

Location
East Midlands, England, United Kingdom
recovery solutions. Knowledge of IBM Maximo Application Suite (MAS) database architecture and performance optimisation. Strong understanding of database security, compliance, and best practices. Experience refactoring and converting PL/SQL stored procedures for DB2 environments. Excellent troubleshooting and stakeholder communication skills. Desirable Experience working within large-scale enterprise or public ...

Lead Front-End Engineer

Location
Greater London, England, United Kingdom
Deep JavaScript, HTML5 and CSS3. Not framework deep, language deep. Real fluency with AI coding tools such as Cursor and Claude for writing, reviewing, refactoring and documenting code, and the judgement to know when to switch them off. Git, and a working command of CI/CD, TDD/ ...

Senior Software Engineer - Remote AI Training Projects

Location
Birmingham, England, United Kingdom
Recruitment Group is seeking a Senior Software Engineer to support AI training projects. The role focuses on real software engineering problems, including feature implementation, refactoring, performance improvements, code review, and task/solution creation across multiple repositories. This is a fully remote contractor position with about 15 hours per week ...

Remote AI & Software Engineer — Flexible, Part‐Time

Location
Greater London, England, United Kingdom
remote opportunities. Roles are full-time with flexible contract options and hourly rates ranging from $60 to $120. You will work on AI systems, refactoring, performance improvements, and testing across diverse tech stacks in a fully remote setup. Ideal candidates have strong software engineering or AI/ML experience ...

C# Developer - Buckinghamshire

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
doing something you are passionate about. Technically you will have a proven interest and ability in developing software systems which will include developing software, refactoring code, designing systems and working on solutions with a range of other technical personnel. C# Developers should have exposure to the below tech stack: C#WPFORM ...

Principal Mobile Apps Platform Engineer

Hiring Organisation
AutoTrader UK
Location
Manchester, UK
Employment Type
Full-time
Xcode, and Instruments for iOS; Kotlin, Jetpack, Android Studio for Android). Strong understanding of unit testing, RESTful API design, and a commitment to refactoring and regression test automation. Experience mentoring and coaching engineers, with a proven ability to share technical expertise and advocate best practices across a team. Benefits ...

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 ...

Principal Salesforce Engineer (contract)

Location
Greater London, England, United Kingdom
looking for Several years experience as a Salesforce Developer with Sales and Service Cloud including both Apex and LWCs. Preferably with Salesforce Certification Experience refactoring/redesigning legacy Salesforce orgs in an iterative way Knowledge of Cloud Infrastructure, preferably AWS A good understanding of Software Architecture and patterns ...

Maximo DB2 Specialist – Hybrid, Enterprise Migration

Location
East Midlands, England, United Kingdom
databases within MAS environments, optimising for performance and security to ensure high availability. Responsibilities include designing robust backup/recovery/DR strategies, refactoring PL/SQL for DB2, monitoring health, and collaborating with infra, application and development teams to deliver robust database solutions. #J-18808-Ljbffr ...

Senior Gameplay Engineer - RuneScape: Dragonwilds

Location
United Kingdom
debugging and performance awareness, including profiling gameplay code and diagnosing desyncs and edge cases. Strong code quality habits across testing, code reviews, documentation and refactoring, and demonstrable experience delivering at scale on sizeable teams. What we offer: When you join Jagex you can look forward to a generous Perks & Benefits ...

Salesforce Delivery Lead (Journey Circle)

Location
Charing Cross, West End, 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 ...

Senior Data Engineer

Hiring Organisation
Burson Cohn & Wolfe
Location
London, UK
Employment Type
Full-time
position combines strategic engineering with hands-on delivery across major pillars: Technical Leadership & Architecture (e.g., pipeline design, engineering standards, technical reviews, technical debt refactoring, mentoring)Fount Platform & Data Engineering (e.g., ETL/ELT pipelines, Python services, SQL layers, API integrations, cloud infrastructure, cost & performance optimization)Analyst Enablement & AI Integrations (e.g. … driven, and third-party research datasets into scalable reporting workflows. Mentor junior engineers through code reviews, pairing, architectural guidance, and knowledge-sharing, while systematically refactoring technical debt and maintaining operational runbooks. Experience that contributes to success: Substantial experience designing, building, and operating production data platforms, star-schema data models ...

Software Engineer Northern Ireland Remote

Location
Northern Ireland, United Kingdom
Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable ...

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 ...