Full Stack Developer jobs in United Kingdom

Full-Stack Developer (3-5 Years Experience)

• Location: Wolverhampton, United Kingdom
• Work Arrangement: Hybrid - Mixed office and home working.
• Salary: £38,000 - £45,000 per year as a base salary depending on experience

• Implementing new features for a range of Goldilock projects (UI and backend services).
• Working on internal tools such as documentation and status dashboards.
• Diagnosing and resolving complex issues across frontend and backend systems.
• Writing and improving tests to maintain code quality and catch regressions early.
• Identifying, prioritising, and addressing technical debt as part of ongoing development.
• Contributing to UI/UX design, from wireframes and prototypes to polished interfaces.
• Taking part in DevOps-adjacent work (e.g. CI/CD workflows in GitLab, deployment automation).
• Actively contributing to system design discussions, research, and proofs-of-concept as we plan an overhaul of the system.
• Collaborating with a multidisciplinary team (electronics, production, integrated systems) to make sure software and hardware work well together.

An experienced developer who can work independently on production systems, balancing delivery speed with long term maintainability. Cares about how things look and feel as much as how they work, and keen to learn more about cybersecurity, secure development, and building software for a hardware product.

They should be comfortable making technical decisions, raising concerns early, and proposing improvements.

Join us in our mission at Goldilock, where we're trailblazing the future of network security. Our commitment is unwavering: to revolutionize the OT networks across multiple industries. Every product in our range is crafted with precision, addressing both the technical and cybersecurity challenges inherent to operational technology networks.

We pride ourselves on creating networking solutions that are not only robust and reliable but also secure enough to withstand the tests of time.

Goldilock's flagship product: A unique OSI Layer 1 network appliance which gives system administrators the capability of physically connecting or disconnecting networks remotely, without using the internet.

Languages & Frameworks
TypeScript, JavaScript, Node.js, React, Next.js, LoopBack 4

Tools
GitLab, Docker, CI/CD pipelines, Monday.com

Other
Use of AI-assisted tools (e.g. Roo Code, GPT, Claude) where they genuinely help.

• Typically 3+ years of professional software development experience (or equivalent capability demonstrated through shipped products).
• Strong JavaScript/TypeScript skills and confidence working with modern front-end codebases.
• Strong experience building and maintaining React and Next.js applications, including state management, performance considerations, and reusable component design.
• Solid experience building and maintaining Node.js services, including API design, error handling, and data modelling.
• A good eye for design: attention to layout, spacing, typography, and interaction details.
• Ability to translate designs (e.g. from Figma or similar tools) into clean, responsive UIs.
• Comfortable using Git (feature branches, merge requests, resolving simple conflicts).
• Experience writing and maintaining meaningful unit and integration tests, and improving test coverage as systems evolve.
• Clear written and verbal communication: able to explain what they're doing and why.
• Interest in cybersecurity and building systems that are robust and secure by design.

• Experience with LoopBack 4 or similar Node.js backend frameworks (NestJS is the proposed future implementation).
• Previous experience working in an Agile environment (sprints, stand-ups, retrospectives).
• Exposure to GitLab CI/CD or other CI/CD systems.
• Experience with Docker or containerised environments.
• Design skills using tools like Figma, Sketch, Illustrator, InDesign, or similar.
• Experience building documentation dashboards, status dashboards, or admin-style interfaces.
• Understanding of basic secure coding practices or awareness of concepts like the OWASP Top 10.
• Experience working on products that interact with hardware, embedded systems, or IoT devices.
• Comfort using AI coding tools to speed up development while still reviewing and owning the final code — not simply accepting changes without fully understanding what the code does.
• Prior experience in a startup or small team environment.

• Hybrid working: On-site as standard, with remote work at your manager's discretion
• Impactful work: Their code will ship to real customers and directly influence a new cybersecurity product.
• Learning and growth: Direct support from a senior developer and exposure to multiple disciplines (backend, frontend, DevOps, hardware integration, UX).
• Greenfield opportunities: We'll be overhauling major parts of the system, giving them a chance to help shape new architectures and frameworks.
• Startup mentality: Small, focused team, short feedback loops, and room to take ownership.

• Generous Vacation: 25 days vacation, in addition to bank holidays.
• Health Insurance: Private health insurance scheme to support your wellbeing.
• Pension: Company pension scheme with employer contributions.
• Free Lunch: Lunches provided when in the office
• Office Snacks: Complimentary snacks and drinks available, with the option for employees to request their favourite items to be stocked.
• Training & Development Support: Dedicated funding available for training, courses, and professional development, alongside ongoing learning support.