About this role
Senior Software Engineer (m/f/d) at Cello. Location: Germany or Warsaw or Portugal or Estonia. Role: building features, improving systems, shaping architecture Requirements: Strong experience with React, NestJS/Python, and AWS; excellent communication, problem solving, and ability to influence architecture and product direction. Category: Software Development Seniority: Senior Level Tools: React, NestJS, Python, AWS, React Native, Flutter, Snowflake, ClickHouse, Claude Code, Cursor, MCP, Notion Commitment: Full Time Workplace: Remote Languages: English