Build the terminal that should already exist
Remote-friendly roles. We hire across the EU and adjacent timezones (UTC ±3). Apply via the listings below, or write directly to contact@epta5.com.
Small senior team
Flat structure, low-noise tools, deep work over meetings. You ship, you own.
Competitive package
Salary aligned with senior EU markets, equity from day one, EUR-denominated, transparent grids.
Async-first
Two weekly rituals max, the rest is async. Meeting-light, deliverable-heavy.
Open positions
6 open · all remoteSenior Full-Stack Engineer
Build the terminal we use every day. React + Next.js front, Cloudflare Workers + Postgres back. You ship end-to-end, write tests that matter, and care about latency.
Quantitative Data Analyst
Curate the macro and equity datasets that power BRAIN AI. Pipelines, audits, anomaly detection, sourcing partnerships. Statistical fluency required.
UX/UI Designer
Design the dense, ergonomic interface that turns institutional data into a tool you actually want to use. Figma, prototyping, and data-viz literacy a plus.
Head of Marketing & Growth
Own the funnel from first visit to retained Premium user. Content strategy, paid acquisition, lifecycle. We sell a serious product to serious people, no growth hacks.
DevOps / Cloud Infrastructure
Cloudflare Workers, edge caching, Postgres, observability. Keep the terminal fast and resilient at every percentile, from /healthz to BRAIN inference.
Customer Success Manager
Onboard institutional and Pro users, handle senior support tickets, surface product feedback to the team. Finance background welcome.