Backend Engineer

Svitla Systems Inc. is looking for a Python Engineer with GenAI and ML for a full-time position (40 hours per week) in Ukraine. Our client is a global developer of technology platforms that develop temperature control products.

Tech Stack & Environment:

• LangChain & LangGraph (current migration target for agent orchestration);

• Claude API via AWS Bedrock (primary LLM infrastructure);

• Python (core language for all backend and ML work);

• REST API development (for model and agent integration);

• ML frameworks (scikit-learn, PyTorch, or equivalent for small model training).

Requirements:

• 5+ years of experience in engineering, Python, and a strong focus on clean, maintainable code.

• Hands-on experience with LangChain and LangGraph for building AI agents and pipelines.

• Practical knowledge of LLM integrations, prompt engineering, and GenAI product development.

• Experience in training and deploying small-to-medium ML models for regression or prediction tasks.

• Familiarity with AWS services, particularly AWS Bedrock or similar managed AI platforms.

• Understanding of REST API design and development.

• Ability to work independently, take ownership of features end-to-end, and communicate effectively with cross-functional stakeholders.

Responsibilities:

• Continue and improve the GenAI project, including cubes and alerts functionality, with a focus on quality and reliability.

• Conduct the development of a customer-facing version of the GenAI product, adapting the current tech-support-oriented system to improve the end-user experience.

• Design and build new tools and capabilities for the GenAI Agent.

• Drive migration from the current direct Claude API integration to a LangGraph-based architecture.

• Train and deploy lightweight ML models to predict key operational metrics, including:

• Integrate ML models into the GenAI Agent and expose them via REST API.

• Work within the AWS Bedrock environment and contribute to architectural decisions as the platform evolves.

We Offer:

• US and EU projects based on advanced technologies.

• Competitive compensation based on skills and experience.

• Regular performance appraisals to support your growth.

• Flexibility in workspace, either remote or in one of our development offices.

• Comprehensive medical insurance, including dental and massages.

• Personalized learning program tailored to your interests and skill development.

• Sport reimbursement program for onsite and online activities.

• Bonuses for recommendations of new employees.

• Bonuses for article writing, public talks, and other activities.

• 20 vacation days, 10 national holidays and 5 sick leaves.

• Maternity leave policy and family days off.

• Free tech webinars and meetups organized by Svitla.

• Welcome and anniversary presents, gifts for children, and more.

• Regular corporate events and meetups.

• Awesome team, friendly and supportive community!

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