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Middle Software Engineer – AI Voice Systems (Python/TypeScript)

Company

Sigma Software

Location

Lviv, Lviv Oblast

Posted

June 02, 2026

Position Overview

Job Description

  • Develop and maintain full-stack features in a production environment.
  • Build user-facing functionality using TypeScript, React, and Next.js.
  • Work with server-side rendering and general Next.js patterns.
  • Build, consume, and maintain GraphQL APIs, ideally using Apollo.
  • Read, write, and maintain backend services in Python.
  • Contribute to API design, data modeling, and service-to-service communication.
  • Support integrations with CRMs, telecom providers, and AI-related vendors.
  • Work with MongoDB and Aurora / PostgreSQL for data storage.
  • Participate in debugging across the stack — from browser DevTools to backend logs.
  • Work with Docker and containerized deployments.
  • Contribute to CI/CD improvements, deployment safety, logging, monitoring, and observability.
  • Help keep production services stable, reliable, and easy to support.
  • Communicate directly with the customer team...

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