Svitla Systems Inc. is looking for a Senior Full Stack Engineer (Python / React) for a full-time position (40 hours per week) in Europe.You’ll work integrally within the Product Engineering Team and will own and lead engineering projects across the various product lines. You will work on building secure systems that deliver value to the customers. It would involve working cross-functionally with other engineers, product managers, designers, and technical customer support.Requirements:Experience working across the stack on incredible products across consumer, enterprise, and various industries, and is excited about building the future of application layer and GenAI products.You’ll work with such a tech stack as: Python for back-end development; Flask, SQLAlchemy, Alembic, Azure, Streamlit, Redis, Auth0; React for front-end development; TypeScript, React v18, React Query, Tailwind CSS, shadcn, Zustand, react-hook-form, Zod, Lucide, Storybook; Infra; Deploying on Microsoft Azure; PostgreSQL; Temporal orchestration; OpenAI, Anthropic, and Gemini models. Responsibilities: Write clean and well-structured code with ample test coverage. Develop, release, and refine key product functionalities and end-user experiences. Build API endpoints for CRUD functionality and otherwise. Write service/model layer code to interface with the backend DB. Create OpenAPI types to pass data between server and client. Create modular and extensible frontend components. Integrate end-to-end UI flows with backend logic. Write DB migrations to make changes to the backend DB schema. Create permissions and feature flags to gate and rollout your features. Build interfaces and abstractions for other engineers to consume. Implement integrations to third-party services and vendors. 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 the workspace, either remote or in our welcoming office. Comprehensive medical insurance after one month. MultiSport card with access to 2500 sports facilities all over Poland. Bonuses for recommendations of new employees. Bonuses for article writing, public talks, and other activities. 15 vacation days, 10 national holidays, 10 sick leaves, and family days off. Personalized learning program tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Welcome and anniversary presents, gifts for children, and more. Regular corporate events and meetups.