Description

Who are [Employer hidden — sign up to reveal]? [Employer hidden — sign up to reveal] are an online marketplace who are on a mission of being the best choice for every customer, everywhere. We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list.

Working at [Employer hidden — sign up to reveal]: We are a team of driven and motivated people who thrive when working at pace. To succeed at [Employer hidden — sign up to reveal] you need to take charge and fully own your responsibilities, rolling your sleeves up when needed to 'get it done'. Working at [Employer hidden — sign up to reveal] you are surrounded by so much opportunity, but you must possess the ability to stay focused and prioritise ruthlessly. At [Employer hidden — sign up to reveal], you're not just a number or another cog in a machine. We are creating something really special, and you have the opportunity to affect meaningful change and have your voice heard.

This is a critical role responsible for building, scaling, and evolving [Employer hidden — sign up to reveal]’s core commerce platform across both front-end and back-end systems. As a Senior Full Stack Engineer, you will own engineering delivery end-to-end; from customer-facing experiences to underlying services and data systems.

End-to-End Engineering Ownership

• Design, build, and maintain full-stack solutions across UI, APIs, and backend systems
• Translate product requirements, designs, and wireframes into scalable, production-ready systems
• Own features from concept → development → testing → release → monitoring

Front-End Excellence

• Build responsive, high-performance user interfaces using modern JavaScript frameworks
• Translate UI/UX designs into clean, maintainable code
• Optimise applications for speed, scalability, and usability

Back-End & Platform Engineering

• Design and develop scalable services and APIs
• Work across monolith and microservices architecture (Laravel / PHP services)
• Maintain and evolve legacy systems while building modern, scalable architecture

Quality & Engineering Standards

• Own quality to production — testing is embedded, not a phase
• Write and maintain automated tests (unit, integration, end-to-end)
• Participate in and lead code reviews to ensure high engineering standards
• Debug, troubleshoot, and resolve issues across the stack

Performance & Scalability

• Optimise systems for performance, reliability, and scale
• Work with large-scale data systems (MySQL, NoSQL, search platforms)
• Identify bottlenecks and proactively improve system efficiency

Collaboration & Leadership

• Work in cross-functional teams with Product, Design, QA, and other Engineers
• Mentor and support less experienced engineers
• Communicate technical concepts clearly to non-technical stakeholders

Requirements

Essential

• Strong full stack engineering experience, owning end-to-end delivery
• Proven backend expertise in PHP (Laravel)
• Strong JavaScript (ES6+) skills with modern frameworks (React/Vue/Angular)
• Experience designing and building RESTful APIs and scalable systems
• Experience with MySQL and NoSQL databases (e.g. Couchbase, MongoDB)
• Strong understanding of system architecture and microservices
• Experience with event-driven systems (e.g. RabbitMQ, Pub/Sub) and cloud environments (GCP)
• Familiarity with Docker and CI/CD pipelines
• Strong engineering practices: testing, code quality, and production ownership

Desirable

• Experience in eCommerce or marketplace platforms
• Cloud experience (GCP)
• Experience with NoSQL (e.g. Couchbase) and Search platforms (e.g. Constructor & Solr)
• Experience working in microservices architecture

Benefits

The salary on offer for this role is £65,000-£70,000 depending on experience.

We also offer the following benefits:

• Company Equity - In return for helping us to grow, we’ll offer you company equity, meaning you own a piece of this business we are all working so hard to build.
• 25 days annual leave + Bank Holidays
• 1 extra day off for your Birthday
• Employee Assistance Programme
• Perks at Work benefit platform
• Opportunities for career development and progression

This role is UK remote or if you prefer coming into the office can be Hybrid if you live near our Manchester or Bournemouth's offices.

Our Commitment

[Employer hidden — sign up to reveal] is an equal opportunities employer. We are dedicated to creating a fair and transparent workforce, starting with a recruitment process that does not discriminate on the basis of gender, sexual orientation, marital or civil partnership status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability, or age.

Just a heads up — we never use WhatsApp or any messaging apps to contact candidates. If someone reaches out this way, it isn’t us and let the recruitment team know.