Your mission Wattstor is seeking a talented Python developer specialized in edge control devices. In this role, you will develop and optimize control logic for energy flows and facilitate communication with external devices over ethernet, such as Electrical Vehicle chargers, Battery Storage Systems, Photovoltaic inverters, Heat pumps, etc. Our development environment is based on Ubuntu Linux and Python. You will join a team focused on real-time management and monitoring, with code execution on edge controller devices. We maintain a dedicated testing laboratory for integration purposes and proudly cooperate with FEKT VUT Brno. Your profile Required Skills and Qualifications Fluency in Python and experience with Linux Proficiency in Git workflows (e.g. pull requests, code reviews, branching strategies) Ability to write testable and well documented code Strong English communication skills for technical discussions and documentation Ability to drive projects to completion Ability to work independently and effectively collaborate within a team Willingness to learn Desirable Skills and Qualifications Background in the energy industry Knowledge of communication protocols and standards such as Modbus, OCPP, RS485, and RS232 Hands-on experience with HiL and SiL testing Familiarity with tools and technologies such as Docker, JavaScript, ZeroMQ, and SQL/SQL-like databases (e.g. SQLite, InfluxDB) Experience migrating codebases from Python 2 to Python 3 Why us? Motivating salary package. Quarterly bonuses & Sales Commissions Exciting Industry Sector which is full of innovations - Energy Transition to Zero emissions Professional growth, educational support and team growth opportunities 25 days of vacation and 5 sick days. Human-centric approach and team support. Opportunity for international training. Flexible, hybrid working hours (offices in Brno, Brumov-Bylnice, and home office). Meal and phone allowance. Company events (Czech and Great Britain colleagues) About us Wattstor is an energy technology company committed to removing all obstacles to the clean energy transition. We provide everything businesses and communities need to generate, store and manage their onsite renewable electricity. Our mission is to deliver fully financed onsite energy systems at a lower rate than grid electricity. We want to provide everything organisations need to generate, store and manage renewable electricity onsite, making net zero a reality. With the best EMS on the market, cost-efficient solar and BESS systems, and the ability to design and deliver bespoke renewable projects, we can pave the way for your path to net zero – removing all obstacles en route and supporting you at every stage of the process.Our mission is to deliver fully financed onsite energy systems at a lower rate than grid electricity. We want to provide everything organisations need to generate, store and manage renewable electricity onsite, making net zero a reality. With the best EMS on the market, cost-efficient solar and BESS systems, and the ability to design and deliver bespoke renewable projects, we can pave the way for your path to net zero – removing all obstacles en route and supporting you at every stage of the process.