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Inoxoft
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Senior Full Stack Engineer, Voice Agent (IVA)

InoxoftUkraine
Work model
Not specified
Experience
5+ years
Employment
Not specified
Compensation
Not disclosed
Technology signal
7 tags

Technology context

7

Parsed from the vacancy text; ordered by relevance to this role.

TypeScriptNode.jsAILLMFull StackPythonBackend

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Role description

We are looking for a Senior Full Stack Engineer with strong experience in VoIP, SIP telephony, and conversational AI to join a Healthcare product.

You will help develop an intelligent voice solution that automates pharmacy calls, processes prescription-related requests, and connects patients with pharmacy staff when needed.

Responsibilities

  • Develop and improve the voice agent, including conversation flows, patient verification, fallback scenarios, and call transfers;
  • Build backend services and integrations with pharmacy management systems;
  • Maintain the telephony layer, including SIP, RTP, codecs, DTMF, and PBX integrations;
  • Optimize STT, LLM, and TTS pipelines for performance, accuracy, latency, and cost;
  • Implement monitoring, call tracing, quality evaluation, and regression testing;
  • Investigate production issues and contribute to architectural decisions.

Requirements

  • Senior-level experience in backend or full-stack development;
  • Strong knowledge of Python or TypeScript/Node.js;
  • Hands-on production experience with VoIP and SIP telephony;
  • Experience building IVR systems, voice bots, or LLM-powered voice agents;
  • Understanding of STT, TTS, turn-taking, tool calling, and real-time voice processing;
  • Experience integrating LLMs and third-party systems into production;
  • Working knowledge of Asterisk or a similar PBX;
  • Strong problem-solving, ownership, and communication skills.

Benefits

  • Flexible working hours;
  • 25 paid days off and 10 sick/medical leaves;
  • Additional paid days off for personal events like marriage and childbirth;
  • Maternity/Paternity leaves;
  • Skills Evaluations and promotions are based on Corporate Matrix;
  • Discount program;
  • Self-development budget per year;
  • Referral bonuses;
  • Corporate events and gifts;
  • Learning events and mentorship opportunities;
  • Speaking Clubs;
  • PE accounting and support.