fyxer - Senior Growth Engineer
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Requirements
• You’re an exceptional engineer who thinks in growth loops and conversion mechanics, not just funnels. • Previous experience as a CRO, growth, or software engineer with a track record of measurably improving conversion across sign-up, onboarding, or monetisation flows • Is details oriented with an eye for design and UX. Has worked with CSS/React animations before and is comfortable with larger experiments and projects. • A deep, intuitive understanding of consumer psychology and why certain words or layouts get customers to take action. • Comfortable designing and interpreting multivariate tests and correlative analyses; you know the difference between statistical significance and practical significance • Proficient in our stack (or close to it): TypeScript, React, Next.js, TailwindCSS, ShadCN, React Query, serverless functions • Knowledge of the B2B SaaS growth and experimentation stack: feature flagging, CRM integrations, event tracking, segmentation tools • AGI-pilled, you love AI and want to try and automate as much as possible within your role and across the organization. • You bring intensity. We’re a small team and expect genuine ownership — this isn’t a place where you wait to be told what to test next • Comfortable moving between quantitative rigour and qualitative instinct — you know when to run an interview and when to run a query • Experience with session recording tools (Hotjar, FullStory, PostHog), funnel analytics platforms, and product event tracking pipelines • Familiarity with LTV modelling, cohort analysis, and churn prediction • Experience with AI-assisted development workflows (Cursor, Claude Code, or similar) • Prior experience at a fast-growing B2B SaaS or AI startup • We’re very intentional about adding new people. We think a small team of exceptional people working hard at a problem they care about will always beat a larger, less focused team.
Responsibilities
• We also believe in hiring people who want ownership and autonomy in their work — and giving it to them. Farm to table: you nurture the crops, assemble the plates, we just loan you the land.
Benefits
• Location: Chancery Lane, London — Mon–Thu in office, Fri WFH • We are intentional about our team. We believe a small, exceptional team working with extreme focus will always outperform a large, bloated organization. • Autonomy: We hire people who want ownership and then we actually give it to them.
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