18 of 18 Remote/Hybrid Legacy Code Jobs in England

Android Engineer

Location
Greater London, England, United Kingdom
Keynotes. Kotlin & Jetpack Compose first approach. Over 10M+ downloads. The codebase uses modern Android Jetpack components, Kotlin Coroutines, Flow/StateFlow, and RxJava in legacy areas. Make an impact on millions of customers. Never ending chance of experimenting with latest tech, including KMM, Jetpack Compose and more! We have … extremely comfortable with Kotlin. You know reactive programming techniques. You can contribute to discussions on technical architecture and design. You believe that all code is legacy code if it isn't unit/UI tested. You love agile/scrum and can work as part ...

Senior Software Engineer

Location
City Of London, England, United Kingdom
untangling complex systems and modernising core infrastructure without breaking production. This is an exciting opportunity to modernise core C#/SQL systems! Extract legacy business logic, build clean services, and verify changes in shadow mode with zero downtime to revenue flows. Extract business rules scattered across C#, embedded JavaScript … rules assemblies. Build new services cleanly. with proper Dependency Injection (DI), robust authentication/authorization, structured logging, and full observability. Work fluently across both legacy .NET Framework 4.8 (ASP.NET MVC5, WebAPI 2, EF6) and modern .NET, as both will coexist for the whole transition period. Navigate across the multiple ...

.Net Developer

Location
Greater London, England, United Kingdom
development team to maintain and update the bespoke ecommerce platform, taking a proactive approach in evolving the back-end technology stack and migrating legacy code across to an ASP.NET framework. Advocate integration of technologies and development methodologies to help drive the business forward and ensure a robust, scalable … Manager to maintain and update the bespoke Classic ASP ecommerce platform. Develop new features for a localized ASP.NET MVC 5 platform and contribute migrating legacy features over to this new platform. Write maintainable, scalable, fault-tolerant code, utilizing SOLID principles and OO design/architectural patterns, TDD, etc. ...

AI-Native Software Engineer

Location
Greater London, England, United Kingdom
codebase gets easier for both humans and AI tooling to work in. Improve how the codebase is documented and structured so AI code assistants can be guided effectively, for example context files, architecture notes and structured inline documentation. Convert product specifications into precise engineering specifications, building in enough specificity … context that a code assistant can deliver efficiently and reliably, with minimal iteration, rather than being nudged repeatedly toward a solution. Use proofs of concept to prove out the right level of specification and methodology, so AI-assisted changes land reliably and with confidence. Deliver across a full SDLC ...

Senior Full Stack Developer

Location
Warrington, England, United Kingdom
between ship and shore), Fastnet (packet transport and bandwidth management) and Deploy (software updates to vessel endpoints) — all C#, .NET and AWS. Beyond writing code, you'll hold pull request authority over other developers' work, own the weekly production release builds across the product estate, and carry the security … cases, and rollback path included. Act as a Change Authority: review and authorize pull requests from other developers as if you'd written the code yourself, including running it locally. Produce the weekly production release builds and verify rollback before every release. Fix the security findings that come ...

VP, Product & Engineering Coda & FP&A

Hiring Organisation
Unit4
Location
Greater London, United Kingdom
Employment Type
Full Time
slowing the pace of new development. Demonstrable hands-on experience applying AI to software engineering at team scale with measurable results (e.g. AI-driven code modernisation, test generation for legacy code or agentic development workflows) and an informed point of view on how AI will change both ...

VP, Product & Engineering Coda & FP&A

Location
Greater London, England, United Kingdom
slowing the pace of new development. Demonstrable hands-on experience applying AI to software engineering at team scale with measurable results (e.g. AI-driven code modernisation, test generation for legacy code or agentic development workflows) and an informed point of view on how AI will change both ...

Angular Developer (NGRX)

Hiring Organisation
Sanderson Recruitment
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £325 per day + Outside IR35
Angular Developer to join on a specialist basis - someone who can come in and contribute immediately, without needing extensive onboarding or rework of existing code standards. The Role Deep, demonstrable expertise in Angular Solid, practical experience with NGRX is essential Working within a small team where architecture … collaboratively by the lead developer rather than dictated top-down Contributing to a platform that's actively evolving - including some modernisation of legacy code, supported by AI tools to speed up delivery and manage tech debt Writing your own automated tests - there's no dedicated QA function ...

Angular Developer (NGRX)

Hiring Organisation
Sanderson
Location
South East England, United Kingdom
Employment Type
Full-Time
Salary
£300.00 - £325.00 per day
Angular Developer to join on a specialist basis - someone who can come in and contribute immediately, without needing extensive onboarding or rework of existing code standards. The Role Deep, demonstrable expertise in Angular Solid, practical experience with NGRX is essential Working within a small team where architecture … collaboratively by the lead developer rather than dictated top-down Contributing to a platform that's actively evolving - including some modernisation of legacy code, supported by AI tools to speed up delivery and manage tech debt Writing your own automated tests - there's no dedicated QA function ...

.NET Developer

Hiring Organisation
Octad Recruitment Consultants (Octad Ltd )
Location
Wickford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact. Work with: C#, .NET/.NET Core, WinForms ...

Mathematical Developer

Location
Cambridgeshire and Peterborough, England, United Kingdom
technically challenging work items, breaking them down into manageable tasks and making sound implementation decisions.* Work effectively within an existing, and in some areas legacy codebase, balancing respect for established team practices with thoughtful technical improvement.* Demonstrate the potential to lead technical projects.* Provide guidance, coaching and technical mentoring ...

Ios Engineer

Location
Burgess Hill, England, United Kingdom
able to dive deep and rapidly iterate on ideas with your team despite some ambiguity. Relevant experience and skills: Building iOS Applications Writing & Deleting code Build tools like Tuist, xcodebuild, GitHub Actions, and Circle CI Continuous Integration patterns Finding and fixing bugs Functional coding patterns Performance Analysis and Optimization … Dealing with Objective-C Legacy code Unit & Integration Tests Open Source Working in a globally distributed team Self-starting and good at time management Integrating with bespoke lovingly hand-crafted Back End services from the days of yore. Designing solutions for open ended problems Bachelor's degree ...

NetSuite Developer

Location
Wantage, England, United Kingdom
join our growing team working on our NetSuite CRM system. Principal Duties: Generation of Suite Scripts to fulfil business requirements. Understand, Maintain & Update Legacy Code Ability to accurately document & communicate scripts & workflows. NetSuite Report Generation & Modification. NetSuite System Updates – including products, classes, customers. Ensuring that workflows within NetSuite ...

NetSuite Developer/Administrator

Hiring Organisation
Buchan and London Recruitment
Location
OX12, Whatscombe, West Berkshire, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
join our growing team working on our NetSuite CRM system. Principal Duties: Generation of Suite Scripts to fulfil business requirements. Understand, Maintain & Update Legacy Code Ability to accurately document & communicate scripts & workflows. NetSuite Report Generation & Modification. NetSuite System Updates – including products, classes, customers. Ensuring that workflows within NetSuite ...

Software Engineer III

Location
Greater London, England, United Kingdom
harder or less well‐understood problems, and be willing to conclude that an approach is not worth pursuing. Get up to speed in unfamiliar code fast: read it, map the important parts, ask good questions, and start contributing without needing everything explained. Work as a guest in codebases owned … visible to your line manager and to the teams you are working with. Take responsibility for the quality of what you ship: automated tests, code review, sensible logging, and thinking through failure modes rather than assuming the happy path. Apply appropriate care to security and data handling when introducing ...

UI/UX Frontend Developer - Hybrid (Wirral)

Location
England, United Kingdom
Pearson Carter is seeking a Frontend Developer to join an international organization in Wirral. The role focuses on hands-on front end development, modernizing legacy code, and participating in a relaunch of the company website, making it crucial for growth. The ideal candidate should possess skills in Angular ...

Full Stack Developer

Hiring Organisation
Next Move Recruitment Ltd
Location
B1, Birmingham, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
right now, and this role sits right in the middle of that transformation. You'll be working across a broad and varied stack, moving legacy PHP off an ageing LAMP setup and onto DigitalOcean, alongside modern JavaScript and Next.js development, with Go increasingly used for new backend services. Because … technology evolves over the next few years, working closely alongside an experienced technical lead. Full Stack Developer Responsibilities Working across the full stack: legacy PHP modernisation, JavaScript/Next.js development, and emerging Go services Supporting the migration from an old LAMP stack onto DigitalOcean infrastructure Maintaining and gradually modernising ...

Senior Data Engineer

Hiring Organisation
Rullion Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract, Work From Home
including transforming data into useful formats. Understand data storage concepts and logical data structures, such as data warehousing. Able to write repeatable, production-quality code for data pipelines, utilizing templating and parameterization where needed. Can make data pipeline design recommendations based on business requirements. Experience with data migration … goals and take initiative. Driven to troubleshoot, deconstruct problems, and build effective solutions. Experience of Git/Version control Experience working with larger, legacy codebases Understanding of unit and integration testing Understanding and experience with CI/CD and general software development best practices A strong attention to detail ...