Arithmos
Programmatic SEO + GEO
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Growth Engineer (SEO + Lifecycle)
About Arithmos
Arithmos is building the retail layer for direct indexing. We turn a plain-English idea into a transparent, rule-based portfolio with institutional-grade backtesting and analytics. Our goal is to make structured investing accessible to millions.
The role
Run the growth loop — programmatic SEO, lifecycle email, and conversion experiments — end to end.
What you’ll do
Programmatic SEO + GEO
- Expand
/locationsand/compareto thousands of well-targeted pages - Own the schema.org + llms.txt surface for generative engines
- Run on-page + technical SEO experiments to chart-topping result
Lifecycle + activation
- Email/push/in-app drip — verify-email, first-build, rebalance day
- Onboarding A/B tests on the help-me modal + roll-the-dice flow
- Win-back loops for lapsed Plus subscribers
Conversion + paywall
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
- Pricing-page experiments and Stripe checkout copy
- Tier-gating UX (locked-range banner, upgrade prompts)
Requirements
- 4+ years owning growth at a SaaS or consumer fintech product
- Strong technical chops — comfortable shipping React/Next.js code yourself
- Built programmatic-SEO sites that ranked
- Numbers-led: comfortable in PostHog / Mixpanel / SQL
Nice to have
- Background in fintech / investing / brokerage
- Worked with Resend, Postiz, or other lifecycle tooling
- Public following or distribution channel
Why this role is exceptional
- Direct attribution from your work to revenue (revenue-tied bonus)
- Greenfield programmatic surface (locations + compare just shipping)
- Founders who view growth as a first-class engineering discipline
Compensation & Benefits
- Base salary: £140,000–£165,000
- Equity: 0.5%–1.0%
- Bonuses: Performance bonus + revenue-tied bonus
- Benefits:
- Private healthcare
- 25 days holiday + bank holidays
- Top-tier equipment
- Flexible working
- Annual company offsite
Get help with your application
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How to apply
Upload your CV and a short note — no more than 200 words — on why this role in particular. If you have work you’re proud of that’s relevant (a product you shipped, a research paper, a backtest you ran), link to it. Two-stage process: screening call, then a take-home + technical deep-dive with the team you’d join.
Applying for Growth Engineer (SEO + Lifecycle)
- Your name
- LinkedIn (optional)
- Portfolio / recent work (optional)
- Why this role (≤200 words)
- CV (PDF, DOC, DOCX, TXT or RTF — max 5 MB)
We’ll only use this to review your application and reply to you.
Arithmos is an equal-opportunity employer. Published 7 May 2026.
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