Salary: £38,000 - 45,000 per year Requirements: 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 theyre doing and why. Interest in cybersecurity and building systems that are robust and secure by design. Responsibilities: 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 ensure software and hardware work well together. Technologies: API Backend CI/CD DevOps Figma Frontend Git GitLab Hardware Support JavaScript Network React Security TypeScript UX UI Design NodeJS AI Docker Embedded Indesign IoT NestJS OWASP Sketch Fullstack More: Join us at Goldilock, where were trailblazing the future of network security. Our commitment is unwavering as we seek to revolutionize OT networks across multiple industries. Every product we craft addresses the technical and cybersecurity challenges inherent to operational technology networks. We pride ourselves on creating robust and reliable networking solutions that withstand the tests of time, including our flagship OSI Layer 1 network appliance. We offer hybrid working arrangements, generous vacation, private health insurance, and dedicated support for your training and development. last updated 4 week of 2026