18 of 18 Remote Legacy Code Jobs

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 ...

closely with chemistry subject-matter experts and implement their algorithms using sound design patterns and modern C++. You'll be one of the main code reviewers, protect the quality and consistency of the architecture, and mentor junior developers as they continue to grow. Key responsibilities Maintain and modernise … legacy C++ codebase, migrating it gradually to modern C++ Implement new cheminformatics algorithms specified by the SMEs Review algorithm specifications for feasibility and clarity before implementation Act as a primary code reviewer, protecting the team's architectural consistency and code quality Own the test strategy for your ...

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. ...

performance web applications using React, Node.js, and TypeScript. You will own the full lifecycle, from frontend UI components to backend business logic. Infrastructure as Code (IaC): Lead the implementation of cloud environments using Terraform. You will treat infrastructure as a first-class citizen, ensuring all client environments are reproducible … performance tuning. AI-Accelerated Workflow: Proactively utilise AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude) to accelerate delivery, automate testing, and refactor legacy code, while maintaining strict manual oversight for security and quality. Automation & CI/CD: Build and manage automated pipelines that bridge the gap between ...

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 ...

cloud application for internal fleet monitoring, and a customer-facing fleet administration platform. Two existing mobile apps are to be consolidated, while a legacy desktop product will be maintained only as needed until its support commitments end. What you will be doing Lead, coach and develop the software team … stakeholders. Take ownership of product outcomes, working with Product Management, customers and colleagues to define requirements, prioritise the backlog and shape the roadmap. Lead legacy modernisation and application consolidation, managing older systems through to the end of their support life. Design, build and maintain software across C#/.NET ...

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 ...

reliability and responsiveness. Develop and maintain automated unit and integration tests. Contribute to CI/CD pipelines and engineering best practices. Refactor and modernise Legacy code where required. Produce technical documentation and support continuous improvement initiatives. Required Skills & Experience Strong commercial experience developing native iOS applications. Excellent knowledge ...

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 ...

FPGA Engineer or Senor FPGA Engineer level, depending on the strength of your skills, experience and qualifications. Key Responsibilities: Develop, maintain, and debug HDL code for Xilinx FPGAs in Vivado, implementing full-cycle firmware for Diamond magnet power supplies, including feedback control, filtering, and interlock handling using state machines. … with hardware engineers and the Control Group to optimise performance, resolve issues, and develop reliable Ethernet-based control interfaces. Review, refactor, and document HDL code in line with Diamond standards, ensuring proper version control and maintainability. Contribute to electronic circuit design, simulation (SPICE, MATLAB), PCB design, and prototype testing ...

need a hands-on Lead, with some architectural experience. Relevant experience and skills Building Android Applications, minimum 7 years of experience Writing & Deleting code Build tools like Gradle, GitHub Actions, and Circle CI Continuous Integration patterns Finding and fixing bugs Asynchronous coding patterns Performance Analysis and Optimization Dealing with … legacy code Unit & Integration Tests Open Source Designing solutions for open ended problems Bachelors degree in Computer Science or related field, or equivalent experience. Relevant technologies that you may encounter on our team Jetpack Compose, MVI Architecture, REST APIs, OkHttp, RAML API Documentation, Dagger, Kotlin, Coroutines, Flow, RxJava ...

team in London. You will build high-quality front-end features with React and TypeScript, focusing on clarity, performance, and maintainability. You will refactor legacy code, fix issues across the stack, collaborate with product managers and designers, and provide code reviews while mentoring teammates to improve quality ...

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 ...

high-performance C++ systems powering price discovery and analytics across asset classes in a London-based team. You will work with senior engineers, transitioning legacy code and delivering features to production, while engaging with quants and brokers to understand needs. The role aligns with a growth mindset ...

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 ...

Architect to design and evolve our cloud data platform, ensuring stability, scalability, and ease of use for developers. You will lead architecture decisions, improve legacy code, and set standards while collaborating with product teams. The role offers remote or hybrid work and opportunities for professional growth, with ...

observability Improve platform reliability - implement monitoring, alerting, and performance optimizations for production AI systems Mentor and uplift junior and mid-level engineers through code reviews, pairing, and technical guidance Shape engineering practices - contribute to architecture decisions, coding standards, and team processes Collaborate cross-functionally with Product, Design, Compliance … applications with good state management, performance, and testing Strong Python backend experience - FastAPI, Django, or Flask with async programming, clean architecture, and production-grade code System design skills - you can design scalable, maintainable systems and articulate trade-offs clearly API design expertise - REST, WebSockets/SSE, and understanding ...

getting in early on a medical device project? We're working with a client who needs an experienced Embedded engineer to help bring a Legacy system up to scratch, reporting directly to the technical lead. What you'll be doing: Developing and maintaining Embedded C firmware on STM32 Working … within an ISO 13485/IEC 62304 regulated environment Getting to grips with (and improving) a Legacy codebase Helping shape the project scope and timelines from the start What they're looking for: Strong Embedded C on ARM microcontrollers, ideally STM32 Hands-on experience ...