K
Kilo Verified

Founding Engineer (Travel Product)

Middle–Senior On-site Vilnius, Lithuania $4,650–5,800/mo Full-time Опубліковано 3 місяці тому
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Про роль

Kilo is hiring a Founding Engineer at Middle to Senior level, based in its Vilnius, Lithuania office. You will work on Marlow AI, an AI-assisted travel planning platform, covering the traveler experience and the handoff to advisors who finalize and book trips.

Work format

This is a full-time position.

Skills and tools

  • React 19
  • TanStack Start
  • Supabase
  • PostgreSQL
  • TypeScript
  • Cloudflare Workers
  • OpenAI
  • Anthropic
  • OpenRouter

What to prepare

  • Prepare a feature walkthrough showing your decisions from schema design through release.
  • Bring a code sample demonstrating PostgreSQL access controls or TypeScript framework work.
  • Prepare an API integration example covering authentication, webhook handling and signature verification.

Обовʼязки

  • Own features from database design through server functions, UI, event tracking and production release.
  • Design and maintain PostgreSQL schemas, including row-level security policies and GRANTs.
  • Maintain flight, hotel, payment and subscription integrations, including authentication, webhooks and signature verification.
  • Build LLM-powered functionality with tool-calling, streaming and prompt iteration.
  • Deploy on Cloudflare Workers and manage server-rendering and client boundaries in TanStack Start.
  • Write tests, work with AI-agent dogfooding and contribute to architecture decisions.

Вимоги

  • Bring 3 to 7 years of production web application experience, including an early-stage startup.
  • Handle a feature from database migration to UI without engineering handoffs.
  • Have shipped work using Supabase, PostgreSQL RLS or pgvector, with an understanding of RLS and GRANTs.
  • Use TypeScript and have hands-on experience with Next.js, Remix, TanStack Start or SvelteKit.
  • Have integrated at least 10 third-party APIs.
  • Communicate with founders and cross-functional stakeholders about technical work.

Nice to have

  • LLM function calling, streaming and prompt versioning experience is nice to have.
  • Experience with edge runtimes or Workers is nice to have.
  • SQL window functions, CTEs and triggers are nice to have.
  • Exposure to supervised fine-tuning for AI is nice to have.

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K
Kilo Verified
Product

Vilnius-based venture builder and co-founding partner, formerly known as Kilo Health, that funds, builds and scales digital health, wellness, beauty and longevity products such as Bioma and Pulsetto,

Локація
Vilnius, Lithuania
Розмір команди
500+
Політика віддаленої роботи
Hybrid
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Огляд

Seniority
Middle–Senior
Remote policy
Office
Location
Vilnius, Lithuania
Employment
Full-time
Salary
$4,650–5,800/mo
Posted
Aug 07, 2026

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