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Software Engineer

Warsaw🌐 Remote💼 Full-time🗓 2026-09-03 → 2026-09-30

Core

Backend engineer for a real-time AI companion app handling communication between mobile/desktop clients, generative animation models, and LLM providers.

Role type

Senior Backend Software Engineer

Builds

Real-time communication layer, data storage for companion memory, and operational infrastructure for a live consumer product.

Domain

Consumer AI / Real-time Systems

Deliverable

production ML models

Required skills

TypeScript, Node.js, Cloudflare Workers, SQL, NoSQL, WebSockets, real-time data processing, system observability

Preferred skills

Edge compute, LLM inference infrastructure, latency optimization, audio pipelines

Technologies

TypeScript, Node.js, Cloudflare Workers, Cloudflare KV, SQL, NoSQL, WebSockets

Responsibilities

Design, deploy, and monitor production backend systems; scale real-time systems for latency and throughput; build APIs and communication layers; design data storage for conversation state; strengthen operational practices and documentation.

Seniority

Senior, hands-on IC

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