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Senior Full Stack Engineer, AI-First (Go / React)

Bulgaria🌐 Remote💼 Full-time🗓 2026-09-11 → 2026-09-26

Core

Senior Full Stack Engineer building high-load, event-driven CPaaS/CCaaS infrastructure with AI agents integrated into the development loop.

Role type

Senior IC Full Stack Engineer (Go/React)

Builds

Cloud CPaaS/CCaaS infrastructure, routing, messaging, and real-time communication layers.

Domain

Telecommunications, CPaaS, CCaaS, real-time communication

Deliverable

production ML models | product features

Required skills

Go, React, TypeScript, high-load distributed systems, AI coding agents (Claude Code, Cursor, Windsurf, Copilot), API design, microservices, event-driven architecture

Preferred skills

CCaaS/CPaaS domain knowledge, WebRTC/SIP, GraphQL federation, Kubernetes/Docker ownership, polyglot persistence

Technologies

Go, React, TypeScript, Kafka, NATS, RabbitMQ, PostgreSQL, Redis, MongoDB, GCP, Kubernetes, Docker, Claude Code, Cursor, Windsurf, Copilot

Responsibilities

Own features end-to-end across backend and frontend; Design and develop solutions for high-load distributed systems; Guide AI agents and verify their output; Build backend services, APIs, and external integrations; Investigate and resolve complex production issues; Contribute to architecture decisions and system improvements.

Seniority

Senior, hands-on IC

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