Senior AI/ Backend Developer

Senior AI/ Backend Developer Shape the future of AI-driven customer support by building scalable backend infrastructure, Voice AI, and intelligent automation systems. Genesis is a full-service international IT company. More than 1,500 people in five countries create products for more than 200 million unique monthly users. We are one of the largest partners of Facebook, Google, Snapchat, and Apple in Eastern Europe. Our ecosystem consists of more than 15 companies and an investment fund. EverHelp is a company in the Genesis ecosystem. We’re a team of professionals, that’s developing outsourcing support services for plenty of products all over the world at a dynamic tempo. The project launched in 2021, and last year we experienced a yearly growth rate of +82%. Since February 2022, we've managed to preserve all our workplaces and, most importantly, we continue to strengthen our team while maintaining an employee satisfaction rate of over 90%. Our statement: We’re against war and unjustified aggression, We evacuated all the teammates and their families from the frontline, helped them find a new place to live and provided financial support, We provided the team with charging stations, We continue to work together for the future of Ukraine. We are launching this role to strengthen EverHelp’s AI direction and build reliable backend infrastructure for Voice AI, AI agents, and knowledge-based automation. The mission of this role is to turn AI ideas into scalable production systems that improve customer support experience for our clients worldwide. Your future responsibilities include: Build and maintain backend infrastructure for AI agent integrations, Lead development of Voice AI — speech-to-text, TTS, telephony infrastructure (multilingual including low-resource languages), Build RAG pipelines and knowledge base systems that enable AI agents to learn from client-specific data and stay current without manual retraining, Own system reliability: latency, uptime, graceful fallback to human agents, PII handling in compliance with SOC 2 / GDPR, Contribute to technical vision and architecture decisions alongside the Head of Product and CPO. Needed experience & skills: 4+ years in backend/DevOps engineering; at least 1 year building production AI/ML systems (not prototypes), Deep hands-on experience with LLM APIs — prompt engineering, function calling, agentic workflows, multi-turn context management, Experience designing and maintaining REST/webhook-driven integrations with third-party platforms, Practical knowledge of RAG architecture — vector databases, embedding pipelines, knowledge base design, Comfort with cloud infrastructure (AWS/GCP) and data pipelines (BigQuery or equivalent), Understanding of AI evaluation: how to measure quality, detect regressions, and improve model performance on real production data, Ability to own technical decisions end-to-end — from architecture design to deployment to monitoring. Work with EverHelp is about: Opportunity to join the Ukrainian company and help the Ukrainian economy, 20+ vacation days and unlimited sick leaves, corporate doctor & psychologist, Medical insurance and +10 Healthcare leaves for mental & physical recovery, Systematical learning & development inside a team and on an individual level: compensation for professional webinars, courses, conferences, etc., Ability to work from Lviv & Kyiv offices with free breakfasts and lunches or fully remotely, Team of professionals who’s ready for knowledge sharing, internal professional communities, team buildings, Corporate discounts for gym membership and for other different services like medical services, language schools, etc. Submit your resume and join our team! Department Product and Analytics Department Role Senior AI/ Backend Developer Locations Other, Kyiv, Ukraine, Lviv, Ukraine, Warsaw, Poland Remote status Hybrid