Full Stack Developer
You’ll help deliver and maintain the core web applications that support our internal teams and client-facing services.
You’ll be joining a team that recently moved from chaos to structure, with strong foundations now in place. This role is about bringing capable, pragmatic engineers into a healthy, forward-moving environment. You’ll be supported by a highly experienced team lead and contribute across both front-end and back-end development.
The team operates within a modern, stabilised framework built on Next.js (JavaScript),Tailwind CSS, and C# 9 (.NET Core), and is now focused on scaling feature delivery and increasing technical maturity.
Location: Remote but in either Essex or Midlands
Salary: £55-£60k + Benefits
Start Date: as soon as possible
Key Responsibilities
Full Stack Development
- Build and maintain web applications using React.js (with Next.js), JavaScript, HTML5,and Tailwind CSS.
- Develop RESTful APIs and backend logic using C# 9 and .NET Core.
- Interact with MSSQL databases through queries, procedures, and schema changes.
- Deliver features that are secure, performant, and maintainable.
Contribution to Team and Codebase
- Take ownership of tickets from development to deployment, including testing and documentation.
- Participate in Agile ceremonies and collaborate effectively with the team on planning and estimation
- Contribute to peer reviews and support a shared commitment to clean, maintainable code.
Improving Technical Maturity
- Help maintain and evolve coding patterns across front-end and back-end
- Contribute to test coverage with unit tests where feasible.
- Spot technical risks or inefficiencies and propose clean, pragmatic solutions.
Collaboration and Communication
- Work closely with the team lead and peers to ensure clarity and smooth delivery.
- Collaborate withUI/UX designers to implement user-friendly, accessible interfaces.
- Share ideas, listen to feedback, and help elevate overall team quality.
Essential Skills & Experience
- 3+ years of full stack web development experience.
- Strong proficiency in JavaScript,React.js, and Next.js.
- Solid back-end development skills in C# 9 and .NET Core Web APIs.
- Experience working with SQL Server (MSSQL), including stored procedures and schema work.
- Styling with Tailwind CSS and a solid grasp of responsive design.
- Experience using Azure DevOps for source control, pipelines, and task management.
- Familiarity with Git-based workflows (feature branches, pull requests, code reviews).
- Understanding of Agile delivery (sprints, user stories, retrospectives).
Advantageous to application
- Exposure to cloud-based application architecture (preferably Azure App Services,Functions, etc.).
- Familiarity with basic test libraries (Jest, NUnit) and writing unit tests.
- Interest or experience in DevOps (CI/CD, builds, release processes).
- Awareness of accessibility (WCAG) and general UX best practices.
- Interest in mentoring or supporting junior team members
Summary
- Someone dependable who can build and deliver features with minimal supervision.
- A strong communicator who shares knowledge and contributes to team cohesion.
- A pragmatic developer who balances speed, quality, and long-term maintainability.
- A team player who wants to grow and help the function
At 5Y, we foster a culture of inclusivity, collaboration, and respect.
At 5Y we believe that success is not just about the destination but the journey. As a cutting-edge company, 5Y is dedicated to fostering an environment that values innovation, collaboration, and most importantly, our incredible team members.
We understand that our employees are the heart and soul of our organization, and their growth and well-being are at the forefront of our mission.
Why work at 5Y?
We’re a close-knit, values-driven organisation that functions like a family. And we like to keep our family happy and healthy.
Work from home full-time if you wish
Within 3 hours of GMT for up to 90 days
A generous bonus scheme & other benefits
For all eligible full-time employees
Enjoy company events, parties and activities
A 5% match & salary sacrifice scheme
Apply for this role at 5Y
If you want to become a member of the 5Y team and improve the way our customers use their data, then please fill out the form. A member of our team will be in touch as soon as possible.
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