work on impactful projects that support NHS patients and service users across the UK. Responsibilities: Develop, maintain, and enhance PHP applications. Optimise and refactor legacycode for performance, security, and maintainability. Collaborate with cross-functional teams to design and implement new features. Ensure seamless integration between legacy systems and new applications. Maintain high code quality through testing, code reviews, and best practices. Provide technical support for live deployments when required. Experience: Proven experience in PHP development. Strong front-end skills, particularly in Vue.js, JavaScript, HTML, and CSS. Proficiency in SQL, preferably PostgreSQL. Previous experience 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 legacycode or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus 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 legacycode or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus 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 legacycode or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus 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 legacycode or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus 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 legacycode or old customers. This means that they're able to build out state-of-the-art, Greenfield code which can focus More ❯
in from the start, while championing best practices and modern QA approaches. We're a fast-moving TransitTech business with plenty of exciting challenges-legacycode, evolving architecture, and new features that need rigorous testing across web, iOS, and Android platforms. If you thrive in an environment where More ❯
systems with a constant focus on testing, reliability, scalability, and maintainability. Designing, modeling, and programming in a variety of languages and technologies. Working on legacycode as well as green field development. Initiative driving projects to completion. Learning and promoting new technologies with a focus on best practices. 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 legacyMore ❯
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 legacyMore ❯
applications. Proficiency in constructing and managing services, including establishing standard APIs, integrating monitoring and alerting services, and expert integration with external systems. Comfort with legacycode, allowing you to maintain it and propose improvements once familiar with our workflows to help reduce technical debt. A strong commitment to … quality, expecting your code to be testable and well-covered with unit and integration tests. Familiarity with CI Jenkins pipelines and Terraform for the deployment of services and infrastructure is a plus. Demonstrated leadership experience in guiding engineering teams through high-impact projects, fostering a collaborative and innovative team More ❯
processes e.g. Google Play Store Experience in UI development on a direct-to-consumer product Comfortable writing in cutting edge technologies as well as legacycode Familiarity with design patterns and object-orientated programming Understanding of version control e.g. Git. Understanding of unit testing and/or test … the in-house expert in Kotlin, with the opportunity to work with contractors when scaling up for larger projects Build well-formed and logical code for new functionality and bug fixes across our U platform primarily for mobile Implement accessibility features across our app(s) Work from supplied designs More ❯
making changes customers can see from day one. Some key projects on our roadmap this year include migrating key sections of our app from legacycode to Laravel and React, and working with our data team to integrate machine learning models into our data pipeline and front end. … a large number of documents from the web, index them, and allow users to search them through the web app. The majority of our code is written in PHP, but some parts of the data pipeline are written in Python, which is what we use for our data science More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
London/WFH to £100k+ Are you a senior Platform Engineer looking for an opportunity to work with a modern tech stack with no legacycode 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 ❯
london, south east england, United Kingdom Hybrid / WFH Options
Client Server
London/WFH to £100k+ Are you a senior Platform Engineer looking for an opportunity to work with a modern tech stack with no legacycode 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 ❯
systems with a constant focus on testing, reliability, scalability, and maintainability. Designing, modeling, and programming in a variety of languages and technologies. Working on legacycode as well as green field development. Initiative driving projects to completion. Learning and promoting new technologies with a focus on best practices. More ❯
and market connectivity—working closely with researchers and PMs to iterate rapidly. The environment is flat, technical, and collaborative, with minimal bureaucracy and no legacy code. Tech: Core stack in C++ and Rust. Open to other OOP backgrounds, however. Custom protocol handling, kernel bypass networking. Strategy evaluation infrastructure and 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 ❯
the top of their fields, pushing the boundaries of technology and finance every day. Innovation & Impact: Work in a modern, young codebase with minimal legacycode and technical debt. You’ll have the freedom to choose the best technology for the job, allowing you to innovate and deliver More ❯
the top of their fields, pushing the boundaries of technology and finance every day. Innovation & Impact: Work in a modern, young codebase with minimal legacycode and technical debt. You’ll have the freedom to choose the best technology for the job, allowing you to innovate and deliver More ❯
connectivity solutions, and monitoring systems Working in multiple languages, including Java, Python, and TypeScript Testing at the unit, functional, and integration level Working on legacycode as well as greenfield development Providing on-call support as needed Collaborating with traders, operations, and software engineers within our group as 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 ❯
and maintaining a variety of self-service delivery mechanisms including web applications, API and data exchanges. Experience working with, and refactoring/rewriting, a legacy codebase. Familiarity with multiple programming languages (Ruby is our primary language at the moment, but we have a diverse tech stack, including Python). More ❯
and maintaining a variety of self-service delivery mechanisms including web applications, API and data exchanges. Experience working with, and refactoring/rewriting, a legacy codebase. Familiarity with multiple programming languages (Ruby is our primary language at the moment, but we have a diverse tech stack, including Python). 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 ❯