We’re opening the position of an Expert ML Engineer to a new team of our Customer.
The new team will be focused on training different AI/LLM models based on a set of AI agents for existing back-end products for a better performance and success rate.
The Customer provides SaaS solutions that help companies to optimize their business. This solution includes business planning to automate and optimize business, delivery, and workflow solutions. The platform leverages industry-leading Artificial Intelligence (AI) and Machine Learning (ML) for better prediction and prevention of disruptions across the business. Responsibilities: * As part of the team, set the training sandbox for different models * Train and optimize different AI/LLM models for a better performance and success rate * Design and implement AI-driven agents to enhance efficiency * Work with cloud platforms (preferably MS Azure) to deploy and manage AI-driven applications * Integrate different AI/ML models and work with APIs such as OpenAI, and other open-source LLMs * Ensure best practices in CI/CD, DevOps, and cloud infrastructure management * Stay up to date with AI advancements and emerging back-end technologies * Work in an Agile team with an emphasis on quality, testability, and automation
Requirements: * 5+ years of back-end development experience * Hands-on experience with LLMs and APIs, OpenAI, or open-source models * Hands-on experience with LORA model training and reinforcement learning with GRPO * Experience with LangChain and LangGraph * Hands-on experience with PyTorch * Familiarity with RESTful APIs, FastAPI, GraphQL, and SQL databases (e.g., PostgreSQL) * Hands-on experience in CI/CD, containerization (Docker, Kubernetes), GitHub Actions, and DevOps best practices * An Agile team player’s mindset, with strong communication and problem-solving skills * English level — Upper-Intermediate or higher
Will be a plus: * Proficiency in cloud platforms (e.g., Azure, AWS) and SaaS application development
We offer: * Remote-first work model with flexible working hours (we provide all equipment) * Comfortable and fully equipped offices in Lviv and Rzeszów * Competitive compensation with regular performance reviews * 18 paid vacation days per year + all state holidays * 12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation * Medical insurance with an affordable family coverage option * Mental health program which includes free and confidential consultations with a psychologist * English, German, and Polish language courses * Corporate subscription to learning platforms, regular meetups and webinars * Friendly team that values accountability, innovation, teamwork, and customer satisfaction * Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans * We are committed to supporting Ukraine and actively participate in charity initiatives
