Senior Full Stack Engineer

About the role Contract: Full-time, Remote (UK-based) Team: Development Team Hiring Manager & Reporting into: Head of Development Salary: £60,000 - £70,000 We’re looking for a Senior Full Stack Engineer who specialises in frontend development. At Rootshell, you’ll be working with a team of passionate engineers at an equal level. You thrive on building intuitive, responsive user interfaces and have a keen eye for design, performance, and usability. While your strengths lie in the frontend, you’re no stranger to the backend—you’re comfortable rolling up your sleeves and diving into APIs, databases, and server-side logic when needed. We’re looking for people to bring their own AI (actual intelligence) to the job, while also having access to open-source models via AWS Bedrock and OpenCode to help support them. If you enjoy owning features end-to-end and collaborating across disciplines to bring great products to life, we’d love to hear from you. What you'll be working on: Designing, developing, and maintaining full-stack security softwareWriting clean, testable, and scalable PHP 8 codeBuilding dynamic front-ends with Vue 3Supporting and maintaining open source softwareImplementing BDD (Behavior-Driven Development) practices Nice-to-haves Experience with Laravel or SymfonyExperience using DockerFamiliarity with Vite, ViTest, ESLintFamiliarity with PHPUnit, PHP Codesniffer and PHPStanUnderstanding of web security best practices Company benefits Long-term career development and progressionRemote and flexible working hoursAccess to the latest tools and technologiesCulture of innovation, support, recognition, and rewardWorkplace pensionAnnual Leave EntitlementQuarterly socials Hiring Process Remote interview with Head of Development.In-person interview and tech test with no AI assistance in Manchester.Final Interview with Head of Development and other team members. Equality, Diversity, and Inclusion at Rootshell Security We are committed to fostering an inclusive and diverse workplace where everyone is valued and respected. We believe that a diverse team drives innovation and excellence, and we welcome applications from individuals of all backgrounds, experiences, and perspectives. As a proud holder of the Bronze Award under the Defence Employer Recognition Scheme (ERS), we actively support the Armed Forces community, aligning with the principles of the Armed Forces Covenant. We recognise the valuable skills and experiences that service personnel, reservists, and veterans bring to the workplace and encourage them to apply. Rootshell Security is an equal opportunities employer. We do not discriminate based on age, disability, gender, gender identity, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sexual orientation, or any other characteristic protected by law. If you require any reasonable adjustments during the recruitment process, please let us know—we are happy to support you.