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

TL;DR

Middle Software Engineer – AI Voice Systems (Python/TypeScript): Building backend services for an agentic call center platform automating customer conversations with Voice and Text AI agents with an accent on multi-LLM orchestration, real-time voice AI, low-latency workflows, and integrations with CRMs/telecom providers. Focus on implementing resilient patterns for external vendor calls, data modeling with MongoDB/Aurora, asynchronous workflows with RabbitMQ/Redis, and infrastructure migration to Kubernetes.

Location: Remote (Europe, Ukraine)

Company

Product company developing a platform for automating customer communications using AI-based voice and text agents integrated with CRMs and telecom providers.

What you will do

• Develop and maintain services with clean, testable, well-documented code
• Build APIs and services orchestrating agent workflows across LLM/TTS/STT vendors
• Implement resilient patterns for external provider calls (retries, timeouts, fallbacks, rate limits, circuit breaking)
• Integrate with CRMs and telecom providers for bi-directional sync and workflow triggers
• Work with MongoDB/Aurora for data storage, RabbitMQ for async workflows, Redis for caching
• Participate in Docker/ECS to Kubernetes migration, CI/CD improvements, and operational reliability

Requirements

• English: strong proficiency required
• 3+ years backend engineering with production services ownership
• Strong Python proficiency
• Backend fundamentals: APIs, data modeling, distributed systems
• Willingness to work with/learn TypeScript
• Docker/containerized services, MongoDB or relational DB (PostgreSQL/Aurora), RabbitMQ/Redis
• Strong debugging, operational interest (logging/monitoring), proactive communication

Nice to have

• Real-time systems: telephony, WebSockets, streaming, low-latency
• Vendor orchestration: fallback routing, provider selection
• Kubernetes experience
• Security/compliance: SOC 2, secrets management
• AI/LLM, TTS/STT, voice systems

Culture & Benefits

• Small fast-scaling team with low bureaucracy and direct customer communication
• Ownership-oriented engineering culture
• Remote work, flexible schedule
• Outstanding offices (optional)
• Health & legal support, continuous education, professional community
• Sports and community activities