Average Fullstack Developer salary in the UK

Avanti is working with an established software business that is investing heavily in the modernisation of one of it's core platforms and is looking for a Senior Fullstack .NET Developer with strong experience in React. This is a hands-on engineering role where you'll help evolve an established business-critical application into a more modern, scalable architecture.The focus will be on improving the underlying platform, building modern services and APIs, increasing automated test coverage and gradually moving functionality towards a modern web-based frontend.You'll remain very hands-on with C#/.NET development while also contributing to software design, architecture and technical decisions across the wider engineering team.The business places a strong emphasis on the engineering quality, automated testing and test-first development, so strong TDD experience is essential. What you'll be doingBuilding and maintaining applications and services using C# and modern .NETDesigning and developing REST APIsDeveloping frontend functionality using ReactHelping modernise an established application architectureImproving automated test coverage and overall code qualityWorking in a test-first development environmentContributing to software design and architecture decisionsImproving platform maintainability, scalability and long-term technical directionSupporting existing systems while helping build their future replacement Technology Environment: C# / .NET 8 REST APIsReactSQL ServerAutomated testingTDDCI/CDCloud technologies There is also some exposure to established desktop WinForms technologies within the existing platform, although previous experience in this area is not essential.Essential Skills: Strong C#/.NET React TDD REST APIs CI/CD knowledge Experience contributing to architecture / design and technical decisions Ability to work independently and take ownership of technical problems Experience with cloud platforms, legacy application modernisation or AI-assisted development would be useful. Working arrangementThe role is remote first, with some initial time spent with the team during onboarding, and occasional in person collaboration thereafter (West London / M4 corridor) – costs covered. Interview processThe process will involve an initial video call which will be a technical discussion, followed by a final-stage video interview including a practical coding element following TDD. PackageSalary up to £70,000, plus pension, holiday allowance and additional employee benefits.If interested in the position then click Apply Now!!

FullStack JavaScript Developer / Outside IR35/ Remote / 3 Month Contract (Likely to extend) We're partnered with a specialist data & analytics company to secure a Contract Full-Stack JavaScript Developer. You will be working in a small team across the full-stack. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you!Essential Experience: ReactNext.js Strong commercial experience developing scalable backend systems using TypeScript and Node.js.Deep understanding of software architecture, API design, integration patterns and modern engineering best practices.Experience working with high-volume data platforms, data integrations and large-scale data migrations. Exposure to Databricks integrations would be highly advantageous.If you are interested in this role and have relevant experience, please apply or email your latest CV to ASAP!FullStack JavaScript Developer / Outside IR35/ Remote / 3 Month Contract (Likely to extend) 

Software Engineer (PHP & JavaScript) Bristol, hybrid, typically 1 day a week in the office £50,000 to £60,000 + 28 days holiday + bank holidays, PMI, pension, social eventsIf you like the idea of owning proper, business critical software rather than being one tiny cog in a huge engineering machine, this is one to look at. This role is all about building the internal systems that sit at the heart of a fast-moving international trading business, where every feature you ship shows up directly in how the company runs and makes money.You will be joining a small, profitable B2B luxury fashion distribution business that partners with global brands to turn problematic wholesale into a controlled, profitable channel. It is a low ego, close knit team across sales, operations and IT, with in house development treated as a strategic function, not a support service. They care a lot more about team fit, attitude and communication than ticking every single box on a tech checklist. It is a friendly place where everyone gets on, with a grown up, flexible approach to work. The IT team is typically in the Bristol office one day a week, with the rest of the time spent working remotely.The role sits in a small development team working on their own internal platform rather than off the shelf tools. You will spend most of your time on the backend, building and evolving the core systems that power operations, reporting, analytics and their B2B customer portal, while also being comfortable in a modern JavaScript front end. You will work closely with the Head of Development on solution design and architectural decisions, and with end users across the business to make sure what you build actually solves real problems in a pragmatic way.The ideal candidate will be a Full Stack Software Developer with strong PHP (Symfony or Laravel) and JavaScript skills (Vue or React).This is a fantastic opportunity for a Software Developer to join a small, flexible and talented team where your work is central to how the business runs, where you will have proper ownership without the politics of a huge organisation, and be treated well!The RoleDesign, build and maintain backend heavy features across internal systems that support operations, reporting, analytics and the B2B portalWork closely with the Head of Development to shape solution design, architecture and technical directionWrite clean, testable, SOLID compliant PHP using Symfony, with strong unit and functional test coverage as part of everyday developmentContribute to and improve shared standards, code reviews, CI and deployment practices, including the growing use of AI tools in the workflowWork with business users across sales and operations to understand requirements, refine ideas and turn them into pragmatic, maintainable solutionsHelp evolve the platform and infrastructure, using technologies such as PostgreSQL, Clickhouse, Vue.js, AWS and Docker The PersonStrong commercial experience with PHP in a modern framework such as Symfony or Laravel in an enterprise or business critical environmentSolid understanding of object oriented design, SOLID principles and how to structure systems for long term maintainabilityExperience building and testing API driven backend systems, with unit and functional tests as a normal part of your workComfortable working with a modern JavaScript framework such as Vue or React as part of a full stack workflowHappy working in a small, collaborative team where you take real ownership, communicate clearly and enjoy being close to the commercial side of the businessNice to have experience with PostgreSQL or other relational databases, Dockerised applications, AWS hosted environments and using AI tools to improve productivity or code qualityRise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles.The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.We are an equal opportunities company and welcome applications from all suitable candidates.