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Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation following a recent acquisition. As part of this programme, they are looking to hire a Senior .NET / C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from an on-premise desktop environment to a modern, .NET Core, cloud-based architecture. This is a great opportunity for someone who enjoys solving complex engineering challenges and has experience moving legacy or desktop-based applications towards modern web and cloud platforms. You will be joining at an important stage of the transformation, with around 40 projects in the pipeline, giving you the opportunity to influence technical direction and make a genuine impact on the future of the platform. The role will involve working closely with the CTO and wider engineering team to assess, improve and progressively enhance an established C# codebase built on older Microsoft technologies. Due to the nature of the work, the business is open to hybrid working, but they would ideally like someone who can attend onsite regularly during the early stages of the project for collaboration, planning and technical workshops Current Tech Environment: • C#, • .NET Framework, • WinForms, • MS SQL Server, • On-prem infrastructure, • React frontend integrations, • Legacy Desktop applications, • CI/CD and agile practices, • C#, • .NET Framework & .NET Core, • WinForms / desktop application development, • MS SQL Server, • Refactoring and modernisation projects, • Agile environments, • CI/CD practices, • Testing methodologies such as TDD, • Experience migrating legacy systems Salary is £65,000 - £80,000 + Benefits.

Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation following a recent acquisition. As part of this programme, they are looking to hire a Senior .NET / C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from an on-premise desktop environment to a modern, .NET Core, cloud-based architecture. This is a great opportunity for someone who enjoys solving complex engineering challenges and has experience moving legacy or desktop-based applications towards modern web and cloud platforms. You will be joining at an important stage of the transformation, with around 40 projects in the pipeline, giving you the opportunity to influence technical direction and make a genuine impact on the future of the platform. The role will involve working closely with the CTO and wider engineering team to assess, improve and progressively enhance an established C# codebase built on older Microsoft technologies. Due to the nature of the work, the business is open to hybrid working, but they would ideally like someone who can attend onsite regularly during the early stages of the project for collaboration, planning and technical workshops Current Tech Environment: • C#, • .NET Framework, • WinForms, • MS SQL Server, • On-prem infrastructure, • React frontend integrations, • Legacy Desktop applications, • CI/CD and agile practices, • C#, • .NET Framework & .NET Core, • WinForms / desktop application development, • MS SQL Server, • Refactoring and modernisation projects, • Agile environments, • CI/CD practices, • Testing methodologies such as TDD, • Cloud experience Desirable: • Experience migrating legacy systems, • React or JavaScript exposure This is an opportunity to shape a long-term transformation programme, with high-level of technical ownership and influence. This role will require greenfield thinking within an established business, and you will get direct access to leadership and architecture decisions. You will be part of a small, collaborative engineering team, with long-term progression opportunities as the technology function grows. Salary is £65,000 - £80,000 + Benefits.

Our client is looking for a talented React Developer to help shape and evolve their web applications. As a React Front End Developer, you’ll be part of a collaborative, fast-moving team working across the full development lifecycle, from initial concept and architecture through to deployment and o

Design and build advanced and secure cross platform applications for the [iOS/Android] platform using React Native. Work closely with backend developers and integrate Javascript SDKs, libraries, and backend services into mobile applications. Collaborate with product managers, designers, and other de

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world.

We are heading up a recruitment drive for a global consultancy that require a SC Cleared Full Stack Developer to join them on a major government project that's based remotely.

Interactive Creative Developer (Three. Interactive Creative Developer.

Provide support and guidance to Software Developers. You are an experienced and proactive software developer with a strong technical background and a passion for delivering high-quality solutions.

Experience leading or mentoring developers. Lead Frontend Developer (TypeScript / Next. This is a hands-on leadership role where you’ll help shape frontend architecture, mentor developers, and deliver high-quality user experiences across modern web applications.

React Native/mobile development exposure is a bonus. If you’re a frontend developer looking for a role where you can make a real impact across both modern and legacy systems, apply today!. Collaborating closely with developers, product teams, and stakeholders.

Python Quant Developer - Hybrid - London - Up to £140k base + 40%+ bonus. A global investment management fund (~$10 billion AUM) is looking for a Python Developer to help them build and maintain a research environment that facilitates diversified systematic strategies in the commodities space. With

Junior Front End Developer | HealthTech Scale-up | React, JavaScript | Remote-First (UK). While initially focused on the React web and mobile platforms, you will have the opportunity to evolve your skills into back-end services over time. Solid commercial or strong personal project experience with R

Mentor junior developers and conduct code reviews to maintain high code quality and engineering standards. Senior Python Django Developer – Contract. As we expand our core engineering team, we are seeking an exceptional Senior Python Django Developer to help architect, build, and scale our high-pe

We are partnering with a fast-growing consumer beauty brand group to hire a commercially-minded Web Developer who will take full ownership of their Shopify Plus ecommerce estate across a portfolio of three high-growth DTC brands.

Strong frontend experience with React and Next. We need a Lead Full-Stack Developer who can own the architecture of these systems and build the engineering team that delivers them. Build polished, responsive, and accessible interfaces using TypeScript, React, and Next.

Hiring Now: Full Stack Ruby Developer (Contract).

You'll be a senior developer on our in-house travel management platform, working across the full stack — from React frontends to Node. Build and maintain features across React frontends and Node. React (hooks, functional components).

Compensation: Competitive, based on location and experience .Location: UK (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs autonomous

Python/Golang/Rust Developer - Digital Assets arm of Global Fund - Up to £200k base + Bonus. Python/Golang/Rust Developer - Digital Assets arm of Global Hedge Fund - Up to £200k base + Bonus.

Frontend Developer - React, React Native. As a Frontend Developer, you'll be building features across both the React web platform and the React Native app, using TypeScript throughout. Build and maintain features across both the React web platform and React Native app, with TypeScript as the languag

Senior React Developer - Remote (UK-based) - Up to 80k - Fintech. Morson Edge have teamed up with a fintech company on their search for a Senior React Developer to help evolve and enhance the frontend. Building responsive, user-friendly interfaces using React & Material UI.

Full Stack Developer Junior or Mid level C#. NET, AZURE, React, Python, Javascript, JAVA High growth Financial services company who have a stream of new projects, many AI enabled. Key - you can build REST API's - but the language does not matter) * Experience building API's * React

Graduate Software Developer - Fully Remote Work, train into C#, PHP, SQL, Azure. Required skills and qualifications for the Graduate Software Developer role:.

An excellent opportunity for an experienced Full Stack Web Developer to join a well-established design agency!. Are you an experienced Full Stack Web Developer looking for a new, long-term career challenge? Maybe somewhere you can settle in, make a real difference and build a department from scratch

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences.We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovatio

We're looking for a Front-End Developer who’s well-versed in Vue, Nuxt, Typescript with a keen interest in AI.

We're looking for a technically capable and customer-focused Support Developer to join our small, friendly team.

We are seeking a Senior Software Engineer who is motivated by purposeful work and making a measurable impact.In this role, you will lead and deliver high-quality software across multiple platforms, with a primary focus on Windows and Linux environments.C/C++ experience considered a strong advantage,

Senior Software Developer (SFIA 4). We are looking for an experienced Senior Software Developer (SFIA 4) to join a dynamic engineering team working on large-scale digital transformation projects. Build responsive front-end applications using React-based technologies.

NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML. NET Developer are in the best position to make decisions about what should be created, and how it should be built. NET Developer who own each piece of their product.

Role/Job Title: Web GIS Developer Work Location: Wokingham Mode of Working: Onsite Duration of Assignment: 6 months Role Summary We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. Develop custom tools and widgets using Ja

DXC Luxoft is partnering with a major commodity trader to build out their eTrading capability.Our client plans to trade against a bespoke risk‑neutral model that identifies key risk factors within specific portfolios.We are seeking a Python specialist