1 to 25 of 34 Legacy Code Jobs in the UK excluding London

databases for transactional and reporting efficiencies using SQL Server. CI/CD Implementation : Set up and maintain robust CI/CD pipelines for seamless code integration, testing, and deployment. Code Quality and Testing : Ensure clean, efficient, and maintainable code through peer reviews, unit testing, and automated testing. … technical documentation for projects. Development standards: Play a key role in identifying and championing improvements in the areas of technology, process, and product. Manage legacy code: Performance and scalability improvement and refactoring of legacy codebase including introducing new features or fixing bugs. Skills and Qualifications Education: Bachelor … Strong understanding of architecture, design patterns and software engineering practices. Problem-Solving : Strong analytical and problem-solving skills to debug and resolve complex issues. Code optimisation : Excellent code optimisation skills including refactoring legacy code and improving while introducing new features. Agile : Experience with Agile and different More ❯

working and successful company who create and develop all their own business systems and digital products - from ecommerce and websites through to logistics and legacy systems - new tech to legacy. Their work is based around SOLID principles and Agile delivery. About our client: They are the UKs number one … to pick things up Driven by high standards Able to work within an agreed structure Self-motivated and a problem solver Able to decipher legacy code (ideally) In depth training and induction programme Responsibilities in the role of Team Leader/Manager - Full Stack Software Developer : Lead a … Work to best practice in UI/UX design to implement responsive and user-friendly interfaces using SASS and Node.js Troubleshoot, debug, and optimise code Mentor and guide junior developers, fostering a culture of continuous learning and improvement Ensure code quality and adherence to coding standards through code More ❯

on the market. Having received huge investment, they are on a journey to truly disrupt the industry and are not held back by any legacy code or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus More ❯

SaaS | £55,000 – £65,000 DOE | Tech for Good Are you a passionate Full Stack Developer looking to make a real impact with your code? Join an award-winning EdTech SaaS company based in Huddersfield that's transforming education outcomes across the UK and internationally. You’ll be joining … Doing Collaborating in an agile, Scrum-based team to build and enhance features in our flagship education platform Solving complex problems through clean, maintainable code using best practices like SOLID, DRY, and test-first development Tracing and fixing bugs, refactoring legacy code, and contributing to architectural decisions … Advising Product Owners and cross-functional teams on technical feasibility and implementation strategies Taking the technical lead on greenfield and legacy projects alike Role Requirements 5+ years of commercial software development experience .NET/C# – including object-oriented design, greenfield dev, and working with legacy systems SQL – advanced More ❯

on the market. Having received huge investment, they are on a journey to truly disrupt the industry and are not held back by any legacy code or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus More ❯

for deployment and version control. Primary Backend Language : C#. Database Management : Microsoft SQL Server. Frontend Frameworks : JavaScript, Bootstrap, CSS/SASS. Knowledge of supporting legacy jQuery would be beneficial. Development Practices : We prioritise robust, well-documented code and maintain tight control over our deployment processes using industry standards … C#. Maintain and enhance the use of Microsoft Azure and Microsoft DevOps to support secure, scalable, and efficient deployments. Champion high-quality, well-documented code that adheres to industry best practices. Work as part of a team as well independently on projects. Take ownership of the development process, from … ahead of the curve by exploring new technologies and methods that could improve our work. Make recommendations and implement those recommendations when you detect legacy code that could be improved. About You: You are a creative, problem-solving individual, who is proactively seeking opportunities for personal growth, team More ❯

requirements, to derive technical solutions. Development of accurate estimates for proposed technical solutions. Design and development of system and sub-system components. Debug of legacy code, to resolve functional or reliability defects. Adherence to Bosch Quality Assurance Processes, including participation in technical reviews. Products to be worked on More ❯

brightest developers to help us expand our development capabilities. You’ll be coming into a dynamic cross-functional team with plenty of well-established legacy code to pick up and make your own. Aside from writing beautiful code, we value good communication and a strong initiative, amongst … a full stack developer Your Key Responsibilities Responsible for the architecture, development and maintenance of cloud back- end solutions and infrastructure Own and manage code quality standards Implement new development patterns Maintain the devops pipelines Take a leading role in finding efficient solutions to complex issues and requirements Take More ❯

give the candidate the opportunity to take ownership of the design, development, testing, and documentation of our systems. The tasks will range from analysing legacy code and migrating it in the latest versions or writing net new code based on the analysis of vulnerabilities, risk and impact … and JavaScript • Previous Goldman Sachs Experience • Previous experience with payment systems, payment networks, financial services, or Fintech. • Experience with Cloud application development, Infrastructure as Code, Kubernetes, container-based deployment, monitoring/dashboard for health checks, and automated regression testing More ❯

a suite of micro front ends or service APIs and integrations to support our goals of digitising services to our customers. There is no legacy code to inherit, all projects will be brand new. Fluency in C# or JavaScript/Typescript is a must and any knowledge of More ❯

on cutting-edge development and forward-thinking solutions. The Role: This is an opportunity to join a collaborative, high-performing team that values clean code, modern engineering practices, and innovation. You'll be working on entirely new systems with no legacy code in sight—building scalable solutions … Core Proven exposure to cloud environment AWS/Azure and containerised environments Understanding of microservices design patterns A passion for delivering high-quality, maintainable code What’s On Offer: Salary up to £75,000 Hybrid working model: 3 days in the Liverpool office Flat structure with opportunities to take More ❯

Software Engineer | C#, SQL, Legacy Refactoring | Systematic Hedge Fund Rate: £650-750 per day IR35: Outside Duration: 12 months+ Location: 3 days in the office per week in Moorgate/Liverpool Street We’re working with a high-performing, systematic hedge fund based in the City to help them … experience as a hands-on software engineer Strong C#/.NET and SQL background, ideally in data-centric or financial systems Solid experience refactoring legacy applications without full test coverage Testing; You must be a meticulous Tester in TDD. Excellent at writing characterisation tests to lock down behaviour before … improving You must have a passion for refactoring to improve code quality and for automated testing at all levels; unit, integration & acceptance. You take pride in annotated, clean commits and structured workflows Having a ‘DevOps mindset’ and getting the importance of culture If you enjoy carefully improving legacy More ❯

London/WFH to £100k+ Are you a senior Platform Engineer looking for an opportunity to work with a modern tech stack with no legacy code where you can make an impact and progress your career in a leadership role whilst remaining hands-on? You could be joining … have expertise with AWS You have experience of architecting, designing and implementing high frequency platforms You have a strong knowledge of IaC (Infrastructure as Code) tools such as AWS CDK, Terraform or CloudFormation You have experience of working on event driven microservices You're collaborative and pragmatic, with some More ❯

Software Engineer (C#/SQL/TDD/Code Refactoring/Python/Trading) 6 month contract initially £500 - £600 per day (outside IR35) Hybrid (London, The City) About the Role Albany Growth are looking for an experienced Software Engineer to join a growing technology team. This role is … critical to improving governance, code quality, and testing standards across applications and databases. The successful candidate will be responsible for rearchitecting and refactoring a key database in the company’s trading system. This will enable further modernisation of the software stack in collaboration with other engineers in the software … impact on business-critical software and to collaborate with and learn from other experts. Ideally you’ll have a passion for refactoring to improve code quality, and for automated testing at all levels: unit, integration and acceptance. Essential experience 10+ years commercial experience as a software engineer Significant experience More ❯

of robust, scalable backend services Spearheading the technical direction of the backend Managing a team of engineers Contributing to overarching technology strategy Transitioning some legacy code to more modern microservices The Lead Backend Engineer will have: Experience in line management and technical leadership of backend Hands on coding More ❯

for delivering great tools with great usability Can work well in a cooperative team environment and has experience dealing with large and/or legacy code bases Ability to work in an agile, cross-functional environment Be able to lead and mentor a team of programmers of various More ❯

exchange connectivity solutions, and monitoring systems - Use multiple languages, including Java, C++, and Python - Testing at the unit, functional, and integration level - Working on legacy code as well as greenfield development - Providing on-call support as needed - Collaborating with traders, researchers, and software engineers within our group as More ❯

documentation including FDS, test plans, and I/O lists Work with systems like Allen Bradley, Siemens, Mitsubishi, Wonderware, Rockwell Test, proof, and document code to high standards Understand and work from electrical schematics and P&IDs Conduct site-based commissioning, upgrades, and repairs Analyse and modify legacy code where needed Communicate effectively with internal teams and clients Play a key role in ongoing process improvement and system optimisation What We’re Looking For: Experience writing PLC code in an engineering or customer-facing environment Solid understanding of SCADA systems and industrial automation Familiarity with More ❯

documentation including FDS, test plans, and I/O lists Work with systems like Allen Bradley, Siemens, Mitsubishi, Wonderware, Rockwell Test, proof, and document code to high standards Understand and work from electrical schematics and P&IDs Conduct site-based commissioning, upgrades, and repairs Analyse and modify legacy code where needed Communicate effectively with internal teams and clients Play a key role in ongoing process improvement and system optimisation What We’re Looking For: Experience writing PLC code in an engineering or customer-facing environment Solid understanding of SCADA systems and industrial automation Familiarity with More ❯

API design and development, ideally for mobile-to-device communication. Experience with parsing data from external hardware or embedded systems. Ability to work with legacy code and modernise architecture without breaking functionality. Nice to Have: Experience with hardware interfacing or working with embedded devices. Familiarity with security best More ❯

hold names!) and they have 3 million+ users over the globe too. They built the platform from scratch several years ago using absolutely no legacy code and only the very best technology stack and enterprise tools within a true Microservices environment. They have since grown their Engineering function More ❯

GCP). Key Responsibilities Build, improve, and automate risk models. Collaborate with teams to refine risk strategies. Optimise reporting and infrastructure. Enhance and improve legacy codebase. What You’ll Need Expertise in Python, SQL, and GitLab. Experience in risk model development (LGD, PD, VaR, etc.). Background in banking More ❯

driven by the dedication and expertise of our team members. Job Responsibilities/Objectives Develop SuiteScripts to meet business requirements. Understand, maintain, and update Legacy code. Accurately document and communicate scripts and workflows. Generate and modify NetSuite reports. Manage NetSuite system updates, including products, classes, and customers. Ensure workflows More ❯

team you will work as a servant leader, coach and contributor within a team which places emphasis on high quality output using infrastructure as code, observability and monitoring as well as automated testing in all environments, including production". About Us At M-KOPA, we are revolutionising financial inclusion … committed to building a fully decoupled, event-driven architecture. Why M-KOPA? Leadership Opportunity: Lead a team of talented engineers, guiding them through both legacy and greenfield projects. Innovative Environment: Continuously improve and innovate within a dynamic and supportive team. Remote Flexibility: Fully remote role within UTC -1 to … backend engineers, fostering a collaborative and high-performing environment. Lead as a servant leader, coach, and contributor, emphasising high-quality output using infrastructure as code, observability, and monitoring, as well as automated testing in all environments, including production. Full Ownership: Oversee the entire software stack, including supporting infrastructure, throughout More ❯

team you will work as a servant leader, coach and contributor within a team which places emphasis on high quality output using infrastructure as code, observability and monitoring as well as automated testing in all environments, including production. About Us At M-KOPA, we are revolutionising financial inclusion and … committed to building a fully decoupled, event-driven architecture. Why M-KOPA? Leadership Opportunity: Lead a team of talented engineers, guiding them through both legacy and greenfield projects. Innovative Environment: Continuously improve and innovate within a dynamic and supportive team. Remote Flexibility: Fully remote role within UTC -1 to … backend engineers, fostering a collaborative and high-performing environment. Lead as a servant leader, coach, and contributor, emphasising high-quality output using infrastructure as code, observability, and monitoring, as well as automated testing in all environments, including production. Full Ownership: Oversee the entire software stack, including supporting infrastructure, throughout More ❯