26 to 47 of 47 Legacy Code Jobs in the UK excluding London

is seeking a talented Software Engineer to join their technology development team. This role involves working on high-performance camera systems designed for the harshest conditions , helping to evolve legacy codebases and develop modern software solutions. Software Engineer Outside IR35 ContractASAP StartSalary dependent on experienceFarnborough | 2 days remote The Software Engineer will have the following responsibilities: Develop and maintain … software applications in C/C++ for Windows platforms using Microsoft Visual Studio. Lead modernization efforts by migrating legacy software to up-to-date platforms and technologies. Design and implement user interfaces using modern UI/UX tools such as Shadcn. Collaborate with hardware and electronics teams to integrate software with embedded systems and device communications. Contribute to the … level proficiency in C and C++. Proficient in using Microsoft Visual Studio. Experience with modern UI/UX frameworks and tools, especially Shadcn. Proven capability in modernizing and upgrading legacy systems and platforms. Experience in web front-end development. More ❯

and queries RESTful APIs - design and integration SDLC understanding - Agile or similar Unit, system, and integration testing CI/CD pipeline experience Desirable NuGet, Blazor Server, PKI Auth Migrating legacy codebases Developing shared libraries/modules This is a great opportunity to join a growing consultancy. Apply now or message me directly for a confidential chat. More ❯

will this person be doing? As part of a small development team (2 front-end and 2 back-end developers), you'll be responsible for upgrading and restructuring a legacy codebase built on a custom in-house framework. You'll contribute to a range of development projects, from quick-turnaround tasks to longer-term initiatives, often collaborating with other More ❯

a clear path to a team lead position as the company grows. Key Responsibilities: Build and maintain modern, high-performance frontend applications Create reusable components and scalable architecture Refactor legacy code and lead greenfield projects Collaborate across product, design and backend teams Contribute to coding standards, architecture decisions and future planning What We're Looking For: 5+ years … of commercial frontend experience Excellent JavaScript skills, with strong Vue.js knowledge Skilled in writing clean, testable, performant code Comfortable with debugging, performance tuning, and build systems This is a fantastic opportunity to make a real impact on a fast-growing product and grow into a technical leadership role. Are you interested in finding out more? If so, please contact More ❯

solutions for iconic brands. An Android developer at Deloitte Digital plays a key role in designing, developing, and maintaining high-quality Android applications. This involves writing clean and efficient code while collaborating with cross-functional teams to ensure adherence to coding standards. Key responsibilities include: Contributing to the overall architectural design of mobile applications. Integrating mobile applications seamlessly with … Working closely with designers to create a visually appealing and user-friendly interface. Conducting thorough testing, debugging, and optimizing performance for various devices. Creating and maintaining technical documentation for code, processes, and configurations. Effectively communicating within the team and with clients to understand project requirements. Staying updated on the latest Android development trends, tools, and technologies. Implementing security measures … are typically required: Extensive experience in Kotlin is crucial, as it's the primary language for modern Android development. Knowledge of Java is also beneficial for maintaining and updating legacy code. Deep familiarity with the Android SDK and its components, including different versions and how to deal with different screen sizes. Experience with Android Frameworks: Knowledge of core Android More ❯

solutions for iconic brands. An Android developer at Deloitte Digital plays a key role in designing, developing, and maintaining high-quality Android applications. This involves writing clean and efficient code while collaborating with cross-functional teams to ensure adherence to coding standards. Key responsibilities include: Contributing to the overall architectural design of mobile applications. Integrating mobile applications seamlessly with … Working closely with designers to create a visually appealing and user-friendly interface. Conducting thorough testing, debugging, and optimizing performance for various devices. Creating and maintaining technical documentation for code, processes, and configurations. Effectively communicating within the team and with clients to understand project requirements. Staying updated on the latest Android development trends, tools, and technologies. Implementing security measures … are typically required: Extensive experience in Kotlin is crucial, as it's the primary language for modern Android development. Knowledge of Java is also beneficial for maintaining and updating legacy code. Deep familiarity with the Android SDK and its components, including different versions and how to deal with different screen sizes. Experience with Android Frameworks: Knowledge of core Android More ❯

scale system upgrade and play a key role in modernising their technology landscape. This is a great opportunity to help drive change in a market that's historically been legacy-focused - your work will be central to pushing the business forward. The Role: You'll be involved in a large integration project followed by work to modernise a suite … systems. You'll be part of a collaborative and proactive team, trusted to take ownership and contribute to technical direction. Key Responsibilities: Leading integration work across multiple systems Upgrading legacy codebases to a modern .NET stack Collaborating closely with a cross-functional team Identifying areas for improvement and actively contributing ideas Tech Stack & Skills: Essential: .NET Framework C# SQL … confidence to challenge ideas and suggest better approaches Enjoy taking ownership of projects and driving them forward Why Apply? Huge investment into modernising systems and processes Opportunity to upgrade legacy platforms into a more modern, scalable architecture A chance to be part of the team leading tech innovation in a traditional industry Only 1 day per month on-site More ❯

scale system upgrade and play a key role in modernising their technology landscape. This is a great opportunity to help drive change in a market that's historically been legacy-focused - your work will be central to pushing the business forward. The Role: You'll be involved in a large integration project followed by work to modernise a suite … systems. You'll be part of a collaborative and proactive team, trusted to take ownership and contribute to technical direction. Key Responsibilities: Leading integration work across multiple systems Upgrading legacy codebases to a modern .NET stack Collaborating closely with a cross-functional team Identifying areas for improvement and actively contributing ideas Tech Stack & Skills: Essential: .NET Framework C# SQL … confidence to challenge ideas and suggest better approaches Enjoy taking ownership of projects and driving them forward Why Apply? Huge investment into modernising systems and processes Opportunity to upgrade legacy platforms into a more modern, scalable architecture A chance to be part of the team leading tech innovation in a traditional industry Only 1 day per month on-site More ❯

reach, we pride ourselves on innovation, quality, and customer satisfaction. We are looking for VB.NET/SQL Developer, who is aspirational and keen to learn and develop our untidy code, to join the team and thrive in a global business environment. BASIC SALARY: Up to £45,000 BENEFITS: · Pension · Holidays · Bespoke ERP LOCATION: Daventry - office based role COMMUTABLE LOCATIONS … developer who can: · Stabilise - Eliminate bugs that disrupt our current processes · Enhance - Deliver incremental features requested by operations, finance and Sales · Prepare for the future - Re-factor and document legacy code so new modules and UI's can be built faster You will be our in house Coder, as such you will also: · Triage, reproduce and patch defects … strong C# accepted if you can switch to VB quickly). It is essential that you have: · Hands on Azure DevOps or similar Git-based workflow · Experience reading messy code with limited or no documentation and refactoring it safely · The ability to be a self starter who has the desire to own the codebase · T-SQL: Query creation and More ❯

reach, we pride ourselves on innovation, quality, and customer satisfaction. We are looking for VB.NET/SQL Developer, who is aspirational and keen to learn and develop our untidy code, to join the team and thrive in a global business environment. BASIC SALARY: Up to £45,000 BENEFITS: · Pension · Holidays · Bespoke ERP LOCATION: Daventry - office based role COMMUTABLE LOCATIONS … developer who can: · Stabilise - Eliminate bugs that disrupt our current processes · Enhance - Deliver incremental features requested by operations, finance and Sales · Prepare for the future - Re-factor and document legacy code so new modules and UI's can be built faster You will be our in house Coder, as such you will also: · Triage, reproduce and patch defects … strong C# accepted if you can switch to VB quickly). It is essential that you have: · Hands on Azure DevOps or similar Git-based workflow · Experience reading messy code with limited or no documentation and refactoring it safely · The ability to be a self starter who has the desire to own the codebase · T-SQL: Query creation and More ❯

reach, we pride ourselves on innovation, quality, and customer satisfaction. We are looking for VB.NET/SQL Developer, who is aspirational and keen to learn and develop our untidy code, to join the team and thrive in a global business environment. BASIC SALARY: Up to £45,000 BENEFITS: · Pension · Holidays · Bespoke ERP LOCATION: Daventry - office based role COMMUTABLE LOCATIONS … developer who can: · Stabilise - Eliminate bugs that disrupt our current processes · Enhance - Deliver incremental features requested by operations, finance and Sales · Prepare for the future - Re-factor and document legacy code so new modules and UI's can be built faster You will be our in house Coder, as such you will also: · Triage, reproduce and patch defects … strong C# accepted if you can switch to VB quickly). It is essential that you have: · Hands on Azure DevOps or similar Git-based workflow · Experience reading messy code with limited or no documentation and refactoring it safely · The ability to be a self starter who has the desire to own the codebase · T-SQL: Query creation and More ❯

over the next 6-12 months . This is a hands-on engineering role ideal for someone with proven experience in Angular migrations and a solid understanding of both legacy AngularJS and modern Angular practices. Once the migration is complete, you'll transition into a broader full-stack role, working on new features and shaping the future of our … migration of our front-end codebase from AngularJS to Angular 20. Collaborate with the development team to define best practices and architectural decisions. Identify and resolve challenges in migrating legacy code while ensuring minimal disruption. Post-migration, contribute to full-stack development including new feature builds and product enhancements. Maintain clean, efficient, and scalable code across both More ❯

over the next 6-12 months . This is a hands-on engineering role ideal for someone with proven experience in Angular migrations and a solid understanding of both legacy AngularJS and modern Angular practices. Once the migration is complete, you'll transition into a broader full-stack role, working on new features and shaping the future of our … migration of our front-end codebase from AngularJS to Angular 20. Collaborate with the development team to define best practices and architectural decisions. Identify and resolve challenges in migrating legacy code while ensuring minimal disruption. Post-migration, contribute to full-stack development including new feature builds and product enhancements. Maintain clean, efficient, and scalable code across both More ❯

over the next 6-12 months . This is a hands-on engineering role ideal for someone with proven experience in Angular migrations and a solid understanding of both legacy AngularJS and modern Angular practices. Once the migration is complete, you'll transition into a broader full-stack role, working on new features and shaping the future of our … migration of our front-end codebase from AngularJS to Angular 20. Collaborate with the development team to define best practices and architectural decisions. Identify and resolve challenges in migrating legacy code while ensuring minimal disruption. Post-migration, contribute to full-stack development including new feature builds and product enhancements. Maintain clean, efficient, and scalable code across both More ❯

flow-charting. Understand low voltage electrical systems and drawings. Attend customer's sites whenever required always upholding the Company's Culture and Values. Where necessary, to review and repair legacy code. Conduct system analysis and development, sometimes with limited support from other personnel and to keep systems current with changing technologies and methodologies. Test and proof programs to ensure … that functionality, logic and syntax is correct/in accordance with the FDS and Test Plan. Document code consistently and in all software so that it can be fully understood by other individuals (internally and externally) and that it fully complies with Standards/expectations/best practice. Candidate Requirements: Strong IT and software engineering skills (e.g., Word Processing More ❯

Architect - Top 4 Global Leader of Payroll - £90k I've partnered with a top 4 global payroll leader that's deep into a tech transformation. They've outgrown their Legacy stack and are rebuilding from the ground up, creating a workflow-driven, scalable platform that's genuinely intuitive for users and clients. We're looking for a Java Architect … ship. The role is primarily Java-focused, with architectural decisions around modernisation, performance, and scalability. The tech stack includes Java, Spring, Azure, CI/CD pipelines, and infrastructure-as-code practices. You will be working closely with the Developers in the team. You'll be leading the design of APIs for high-volume global payments, driving UX improvements through … It's mostly remote, with a salary up to £90k + pension, private medical cover, personal development plans, and a streamlined two-stage interview process. If you enjoy turning Legacy code into clean, modern architecture - and want to see your decisions have a real product impact - this could be a great fit. Feel free to reach out if More ❯

Architect - Top 4 Global Leader of Payroll - £90k I've partnered with a top 4 global payroll leader that's deep into a tech transformation. They've outgrown their legacy stack and are rebuilding from the ground up, creating a workflow-driven, scalable platform that's genuinely intuitive for users and clients. We're looking for a Java Architect … ship. The role is primarily Java-focused, with architectural decisions around modernisation, performance, and scalability. The tech stack includes Java, Spring, Azure, CI/CD pipelines, and infrastructure-as-code practices. You will be working closely with the Developers in the team. You'll be leading the design of APIs for high-volume global payments, driving UX improvements through … It's mostly remote, with a salary up to £90k + pension, private medical cover, personal development plans, and a streamlined two-stage interview process. If you enjoy turning legacy code into clean, modern architecture - and want to see your decisions have a real product impact - this could be a great fit. Feel free to reach out if More ❯

Architect - Top 4 Global Leader of Payroll - £90k I’ve partnered with a top 4 global payroll leader that’s deep into a tech transformation. They’ve outgrown their legacy stack and are rebuilding from the ground up, creating a workflow-driven, scalable platform that’s genuinely intuitive for users and clients.We’re looking for a Java Architect with … ship. The role is primarily Java-focused, with architectural decisions around modernisation, performance, and scalability. The tech stack includes Java, Spring, Azure, CI/CD pipelines, and infrastructure-as-code practices. You will be working closely with the Developers in the team. You’ll be leading the design of APIs for high-volume global payments, driving UX improvements through … scales internationally.It’s mostly remote, with a salary up to £90k + pension, private medical cover, personal development plans, and a streamlined two-stage interview process.If you enjoy turning legacy code into clean, modern architecture — and want to see your decisions have a real product impact — this could be a great fit.Feel free to reach out if you More ❯

our operations, improve efficiency, and drive digital transformation across the business. A Typical Day in the Job: Troubleshoot, investigate and resolve bugs, write clean fixes and contribute to improving legacy code Communicate with internal employees through Teams, email and Phone and Face to Face where possible. Maintain and support our existing Oracle based applications Contributing to new projects … and from the Baltic team. Salary, Hours & Benefits: £19,000 per annum Monday - Friday 9am - 5pm or 8am - 4pm Contribution to AMGs 5 core values in line with the Code of Business Conduct Systems and records are up to date and accurate Information can be located quickly and easily and is communicated timely and effectively Meet personal and team More ❯

our operations, improve efficiency, and drive digital transformation across the business. A Typical Day in the Job: Troubleshoot, investigate and resolve bugs, write clean fixes and contribute to improving legacy code Communicate with internal employees through Teams, email and Phone and Face to Face where possible. Maintain and support our existing Oracle based applications Contributing to new projects … from the Baltic team. Salary, Hours & Benefits: £19,000 per annum Monday - Friday 9am - 5pm or 8am - 4pm Contribution to AMG's 5 core values in line with the Code of Business Conduct Systems and records are up to date and accurate Information can be located quickly and easily and is communicated timely and effectively Meet personal and team More ❯

our operations, improve efficiency, and drive digital transformation across the business. A Typical Day in the Job: Troubleshoot, investigate and resolve bugs, write clean fixes and contribute to improving legacy code Communicate with internal employees through Teams, email and Phone and Face to Face where possible. Maintain and support our existing Oracle based applications Contributing to new projects … from the Baltic team. Salary, Hours & Benefits: £19,000 per annum Monday - Friday 9am - 5pm or 8am - 4pm Contribution to AMG's 5 core values in line with the Code of Business Conduct Systems and records are up to date and accurate Information can be located quickly and easily and is communicated timely and effectively Meet personal and team More ❯

systems Develop reliable communication interfaces with automotive ECUs using protocols such as CAN and LIN Troubleshoot and resolve complex software and system-level issues across both new developments and legacy codebases Support continuous improvement by refining existing software tools and implementing best practices in test automation and system control Document software designs, workflows, and procedures to support internal teams More ❯