We're Rist Labs — a cofounding studio building ethical, AI-powered B2C products that matter. We partner with sharp founders and top talent to launch ventures that move fast, scale globally, and make a real impact.

We’re looking for a Senior Full-Stack Engineer who moves fast, owns outcomes end-to-end, and drives product decisions. You’ll build and evolve the product and stack behind Kodree — a subscription platform helping people gain hands-on skills via web & mobile (iOS/Android), scaling across Tier-1 markets.

Your focus: shipping new features, growth experiments, and key integrations; improving architecture and product quality; and stepping into a leadership path as the product and team grow.

Who we’re looking for:

• A senior engineer focused on shipping fast, owning results, and making an impact.  🖇️ See how we build here
• You own problems end-to-end, not just doing tasks
• You ask questions proactively, find context, propose, and implement solutions
• You want to develop and see how your solutions directly move business metrics
• You set and expect high standards from yourself and others
• English: Upper-Intermediate+

What you’ll do:

• Own Kodree’s product and tech stack
• Ship features across web and mobile app (React Native): product features, integrations, growth experiments, and more
• We ship daily or several times a day - 🖇️more in the article, so you can instantly see the impact of your code
• Build and maintain integrations for marketing automation and analytics (Looker, Airtable, Meta / Google ads, Amplitude, Growthbook, Customer.io, etc.).
• Drive technical excellence and mentor a junior developer
• Collaborate directly with the CEO, product, design, and marketing teams

Tech stack

• Frontend: Next.js (TypeScript), GraphQL
• Mobile app: React Native (Typescript)
• Backend: Node.js (TypeScript), PostgreSQL
• Tests: playwright (e2e web), appium (e2e mobile), mocha (integration/unit), cypress (component web)
• Infra: AWS (Lambda, SQS, DynamoDB, CloudWatch, Redshift, Kinesis, OpenSearch, S3, etc), Docker, Kubernetes
• Analytics: Looker, Amplitude, Redshift
• CI/CD: GitHub Actions, daily releases
• Experiments: Growthbook, Feature Flags
• Marketing: Customer.io, Meta / Google ads and more

What we offer:

• Office/hybrid work format. Our Kyiv office is a hub for teams of all products
• Freedom to build. No micromanagement. No politics. No fluff
• Top-tier team. You’ll work with proven operators, product thinkers, and creatives
• Not one path. Yours. We support all kinds of growth: leadership, depth, and breadth, allowing you to choose how far and where to go
• Paid vacation + sick leave
  
  Perks

• We benchmark salaries globally. We want you to feel valued, and paid like it
• English courses
• Apple gear, because we don’t believe in slow laptops or slow ambition
• Company-paid lunches (because hungry brains don’t build great stuff)

Recruitment process:

• Interview with recruiter (Google Meet) – 45 min
• Technical interview – 1 hour
• Culture-fit interview – 1.5 hours