We are looking for a Fullstack Engineer to join a technology company developing advanced AI-powered software solutions focused on language, audio, real-time data processing, and intelligent user experiences.
In this role, you’ll work on complex, production-grade systems across the full stack — from backend services and APIs to modern React applications — while contributing to the integration of AI and LLM technologies into real-world products.

Deep production experience with Java and Spring Boot. Proven experience building and operating fullstack applications in production. Proven experience designing and operating distributed or service-oriented systems. Understanding of API incremental development with strong compatibility Strong knowledge of SQL databases, transaction boundaries, locking, concurrency, caching, and schema migration. Experience diagnosing complex production behavior across multiple services and application layers. High standards for testing, code quality, observability, security, accessibility, and maintainability. Experience integrating LLMs into a applications (advantage: Langchain4j). Experience using AI-assisted engineering tools responsibly, with rigorous review and validation. Strong ownership, communication, collaboration, and product judgment. Preferred Qualifications: Experience with speech recognition, real-time audio, speaker diarization, speaker recognition, or similar pipelines. Experience with Kubernetes/OpenShift using Helm and Docker. Experience with C#/.NET and WPF. Experience building React applications with TypeScript. Experience with real-time communication using WebSockets or streaming APIs. Experience with LLM orchestration frameworks, structured generation, model evaluation, RAG, or tool-enabled workflows. Experience designing AI-powered user experiences.