Senior Software Engineer
Ffern · London - UK, United Kingdom ·
- Work mode
- Hybrid
- Seniority
- Senior
- Category
- Software engineering
- Experience
- 4+ years
Ffern is a sustainable, mission-driven fragrance brand — and technology is at the heart of how we grow.
We're hiring a Senior Software Engineer to join one of our cross-functional product pods. You'll sit inside a small, focused team of engineer, designer, and growth lead, taking full ownership of revenue-driving customer journeys across acquisition, retention, and lifecycle. Expect fast, iterative work — A/B testing, continuous improvement, and staying close to what you ship.
We're a small, ambitious team building something genuinely different in the fragrance world. The work is high impact, the stack is modern, and there's real ownership on offer from day one.
- You've shipped A/B tests to production.
- You're comfortable with uncertainty and you push hard to get things over the line.
Beyond the technical skills, senior engineers at Ffern are:
We're a small, ambitious team building something genuinely different in the fragrance world. The work is high impact, the stack is modern, and there's real ownership on offer from day one.
We're hiring a Senior Software Engineer to join one of our cross-functional product pods. You'll sit inside a small, focused team of engineer, designer, and growth lead, taking full ownership of revenue-driving customer journeys across acquisition, retention, and lifecycle. Expect fast, iterative work — A/B testing, continuous improvement, and staying close to what you ship.
We're a small, ambitious team building something genuinely different in the fragrance world. The work is high impact, the stack is modern, and there's real ownership on offer from day one.
Responsibilities
We run a monorepo architecture managed by Turborepo. Our core technologies include Next.js, PostgreSQL (via Supabase), QStash, Redis, Sanity, Prisma, and Growthbook. We deploy daily and keep our CI/CD lean.Requirements
- Take full ownership of at least one core customer journey — from architecture through to post-release monitoring.
- Work closely with design and growth to design and implement experiments across acquisition, retention, and lifecycle.
- Constantly improve your area of ownership, both technically and from a growth perspective.
- Support fellow engineers across pods.
Benefits
- 4+ years as a full-stack engineer, ideally with D2C or e-commerce experience.- You've shipped A/B tests to production.
- You're comfortable with uncertainty and you push hard to get things over the line.
Beyond the technical skills, senior engineers at Ffern are:
- Owners — they take a feature from brief to production without being chased.
- Rigorous testers — they QA their own work and their colleagues'.
- Observant — they add logging, monitor post-release, and use feature flags as standard.
- AI-curious — they actively use AI tools to work faster and smarter.
- Multipliers — they make the engineers around them better.
We're a small, ambitious team building something genuinely different in the fragrance world. The work is high impact, the stack is modern, and there's real ownership on offer from day one.