Legacy Code Jobs in the UK

176 to 200 of 240 Legacy Code Jobs in the UK

🚀 C++ Engineer – World’s Largest (Almost!) Supercomputer

London Area, United Kingdom
Augmentti
by colleagues who are at the top of their fields, pushing the boundaries of technology and finance every day. Innovation & Impact: Work in a modern, young codebase with minimal legacy code and technical debt. You’ll have the freedom to choose the best technology for the job, allowing you to innovate and deliver at an unmatched scale. They More ❯
Posted:

Senior Data Engineer

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Hybrid / WFH Options
Rullion Limited
to prepare data for analysis, 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 is a plus. * Open to new … motivated with the ability to set 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 and a curiosity about More ❯
Employment Type: Contract, Work From Home
Posted:

Senior Consultant, iOS Developer, Deloitte Digital

Belfast, United Kingdom
Hybrid / WFH Options
Deloitte LLP
even better. Extensive experience in Swift is crucial, as it's the primary language for iOS development. Knowledge of Objective-C is also beneficial, especially for maintaining and updating legacy code. Familiarity with core iOS frameworks like UIKit, CoreData, CoreAnimation, etc., is essential. Experience with SwiftUI for modern iOS development is increasingly important so is a must. Understanding the … Knowledge of Apple's design principles and interface guidelines. Experience in creating user-friendly, accessible, and responsive interfaces. Experience with version control systems, particularly Git, for managing changes in code across large teams and projects. Proficiency in writing and maintaining unit tests, UI tests, and debugging complex issues. Ability to optimise app performance and memory usage and understanding of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Consultant, iOS Developer, Deloitte Digital

Manchester, Lancashire, United Kingdom
Hybrid / WFH Options
Deloitte LLP
even better. Extensive experience in Swift is crucial, as it's the primary language for iOS development. Knowledge of Objective-C is also beneficial, especially for maintaining and updating legacy code. Familiarity with core iOS frameworks like UIKit, CoreData, CoreAnimation, etc., is essential. Experience with SwiftUI for modern iOS development is increasingly important so is a must. Understanding the … Knowledge of Apple's design principles and interface guidelines. Experience in creating user-friendly, accessible, and responsive interfaces. Experience with version control systems, particularly Git, for managing changes in code across large teams and projects. Proficiency in writing and maintaining unit tests, UI tests, and debugging complex issues. Ability to optimise app performance and memory usage and understanding of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Consultant, iOS Developer, Deloitte Digital

Manchester, England, United Kingdom
Hybrid / WFH Options
Deloitte LLP
even better. Extensive experience in Swift is crucial, as it's the primary language for iOS development. Knowledge of Objective-C is also beneficial, especially for maintaining and updating legacy code. Familiarity with core iOS frameworks like UIKit, CoreData, CoreAnimation, etc., is essential. Experience with SwiftUI for modern iOS development is increasingly important so is a must. Understanding the … Knowledge of Apple's design principles and interface guidelines. Experience in creating user-friendly, accessible, and responsive interfaces. Experience with version control systems, particularly Git, for managing changes in code across large teams and projects. Proficiency in writing and maintaining unit tests, UI tests, and debugging complex issues. Ability to optimise app performance and memory usage and understanding of More ❯
Posted:

C# Software Engineer

Gloucestershire, England, United Kingdom
iO Associates - UK/EU
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 ❯
Posted:

C# Software Engineer

Gloucester, Gloucestershire, United Kingdom
iO Associates
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Software Engineer

Cheltenham, England, United Kingdom
iO Associates - UK/EU
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 ❯
Posted:

Software Engineer

Bedford, Bedfordshire, United Kingdom
Hybrid / WFH Options
Noa Recruitment Ltd
This role would suit a .NET Software Engineer who has experience of building software that solve real world problems. Your time will be split between greenfield applications and refactoring legacy code. This role is Hybrid and their HQ is based in Cirencester. You will need to work in the office 2 days per week during probation reducing to once More ❯
Employment Type: Permanent
Salary: GBP 35,000 - 45,000 Annual
Posted:

Software Engineer

Cirencester, Bedford, Bedfordshire, United Kingdom
Hybrid / WFH Options
Noa Recruitment Ltd
This role would suit a .NET Software Engineer who has experience of building software that solve real world problems. Your time will be split between greenfield applications and refactoring legacy code. This role is Hybrid and their HQ is based in Cirencester. You will need to work in the office 2 days per week during probation reducing to once More ❯
Employment Type: Permanent
Salary: £35000 - £45000/annum package
Posted:

Risk IT .Net Developer

London, England, United Kingdom
MUFG
innovative risk management tools using technologies like MS SQL Server, C#, Python, and MS Azure. Key Responsibilities Extend and upgrade Credit Risk Pricing Calculators and Control-M batches Upgrade legacy codebases to .NET Core Performance tuning and rigorous testing of codebase Requirements Strong skills in C#, .NET Framework & SQL Server Experience building .NET Core Web APIs Hands-on experience More ❯
Posted:

Software Engineer

Greater Bristol Area, United Kingdom
Elios Talent
specifications and engineering tools to design and develop software that supports downhole tools and interface systems. 💻 Work closely with the design team to create reliable, high-performance software, maintain legacy code, and build interfaces for new and existing products. 🚀 Collaborate to meet development milestones, contribute to system-level testing and reliability analysis, and ensure optimal software quality. What … Do Design and develop software for product enhancements and new products Build software for interface and communication systems Develop unit and system tests to ensure quality Maintain and improve legacy C# software Debug and resolve software issues Use Git for source control and Trello for task management Analyze design problems and propose effective solutions Set up and configure development More ❯
Posted:

React Developer

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Watford, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Southampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Portsmouth, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Woking, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Glasgow, Scotland, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Bath, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Aberdeen, Scotland, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

React Developer

Brighton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
improvement initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building deep … subject knowledge Refresh technical documentation as and when updates are made to the service Ensure all modifications undergo peer validation before being merged Push all approved code changes to the main project branch Design, execute, and pass feature-level and external API tests as appropriate Revise API documentation in alignment with functional updates where needed Present developed features for More ❯
Posted:

Senior Front-end Developer (Hybrid)

London, England, United Kingdom
Hybrid / WFH Options
InnoWave
Responsibilities Researching, designing, implementing, and managing software programs Testing and evaluating new programs Identifying areas for modification in existing programs and subsequently developing these modifications Writing and implementing efficient code Determining operational practicality Developing quality assurance procedures (automated tests) Deploying software tools, processes, and metrics Maintaining and upgrading existing systems Working closely with other teams Skills Degree in Informatics … Playwright Experience in production monitoring, alerting, and building resilient front-end systems Deep understanding of web performance optimization and best practices Familiarity with Redux is a plus, as some legacy code still relies on it Willingness to participate in a rotational on-call schedule for 24/7 production support (approximately 1 week every 2 months, with a More ❯
Posted:

PHP Developer

Crewe, England, United Kingdom
JR United Kingdom
an established stock control, CRM, and order processing system used by hundreds of clients across the UK. Collaborate closely with the existing development team Assist with the modernisation of legacy code, ensuring stability while preparing the system for future enhancements. Contribute to long-term strategic improvements, including the potential AI integration. Technical Requirements Experience working with MySQL for More ❯
Posted:

Consultant, Android Developer, Deloitte Digital

Belfast, United Kingdom
Deloitte LLP
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Consultant, Android Developer, Deloitte Digital

Manchester, Lancashire, United Kingdom
Deloitte LLP
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Legacy Code
10th Percentile
£52,500
25th Percentile
£66,250
Median
£90,000
75th Percentile
£115,000