Senior Backend Developer — Strategy Team F/H/X

Job description

Company Description At Flexcity, we help the European power system become smarter, more flexible and more sustainable by connecting industrial assets (batteries, e-boilers, heat pumps, data centers…) to energy markets. A subsidiary of Veolia Group, we combine scale-up agility with the stability of a global leader. At Flexcity, tech is a business driver, powering optimization and financial performance across Europe. Job Description: As a Senior Backend Developer F/H/X in the Strategy team, you will build the systems that optimize asset behavior and maximize €/MWh value through fully automated decision-making. The team works at the intersection of backend engineering and data science, powering forecasting models, MILP optimizers, simulations and large-scale historical data pipelines. Your work directly improves financial outcomes for clients and Flexcity. You will work end-to-end with a Product Manager and Engineering Manager in a high-autonomy feature team. Your role focuses on: - Backend Development (≈80%) - Build backend services powering optimization, forecasting and decision engines. - Design scalable pipelines handling large datasets and computational workloads. - Own features...