BESS Software Developer
Second Foundation
Company
Second Foundation
HeadquartersPrague, Czech Republic
Founded2019
SizeApproximately 350 employees worldwide (source: linkedin.com).
What They Do
Second Foundation is a private technology-driven energy trading company that has rapidly evolved from an innovator in the spot market to a global leader in algorithmic trading and renewable energy management. They focus on energy algorithmic trading, renewable energy optimization, virtual power plants (VPP), and grid balancing, utilizing advanced mathematical methods, artificial intelligence, machine learning, and predictive weather models. Their platforms manage over 2 GW of capacity across solar, wind, and battery systems (BESS) (source: second-foundation.de).
Projects and History
Significant projects include the acquisition of Nano Energies Trade in 2022, which strengthened synergies in trading solar, wind, and battery resources. They currently manage approximately 1.5-2 GW of renewable capacity within their market activities. Current projects include the acquisition of 60 MWh of BESS in Finland and the first investment in BESS in Romania, enhancing their presence in Central and Eastern Europe (source: second-foundation.eu).
Recent Developments
In the past two years, Second Foundation announced plans for a full acquisition of the Nano Energies group, expected to be completed in the first quarter of 2024. They also established a long-term partnership with Bochemie Group, which includes a minority stake and enhancement of global energy services. Additionally, they announced the acquisition of a 60 MWh BESS project in Finland and an investment in the Japanese market with IQg (source: second-foundation.eu).
Working with Them
Second Foundation is looking for employees in trading, technology and development, quantitative roles, meteorology, and engineering. Employees have the opportunity to work in offices in Prague, Berlin, Zug, Charlotte, and Tokyo. The company emphasizes recruiting individuals with financial trading experience and an interest in mathematics and energy markets, reflecting their rapid global growth (source: second-foundation.de).
Last updated on Feb 23, 2026 | Report an issue
What you would work on
- Develop and maintain software for the control, monitoring and integration of BESS, including batteries, BMS, inverters, meters and other third-party equipment.
- Implement device communication using industrial protocols and vendor APIs, translating technical specs and documentation into working software.
- Process telemetry, alarms and device states, and test components against simulated and real equipment.
- Investigate communication issues and system faults, and support commissioning and troubleshooting of BESS installations.
- Improve reliability and observability of our BESS software, and maintain technical documentation.
- Collaborate with equipment manufacturers, technology partners, and colleagues across trading, optimization and infrastructure.
What makes you a great candidate
- Practical experience in at least one general-purpose programming language and solid software engineering fundamentals.
- Experience with APIs, network communication or integrating external systems, and comfort turning technical documentation into working code.
- A systematic approach to debugging, and ability to work independently while communicating well with the team.
- Technical curiosity - you want to understand what a device is actually doing and why, not just what the API returns.
- Professional-level English both written and spoken, for technical documentation and working with international partners.
- A background in software, electrical, or power engineering, automation, or embedded systems (or similar) is relevant.
What we offer
- Brand new office in the city center - Masarycka.
- Competitive salary package with the possibility of a yearly bonus.
- 25 days of paid holiday.
- Flexible working hours and home-office options.
- High-end workstation.
- Sponsored lunch in the office. Every workday.
- Free snacks at the office.
- Multisport Card - fully paid by the company.
- Colleagues who are absolute experts in what they do.
Apply now
Job expired?Please let Second Foundation know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
Apply now
Job expired?Please let Second Foundation know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
September 3, 2026
September 3, 2026
Full time
Flexible
Company
- Prague, Czech Republic
University graduates with strong programming skills
UTC+01:00
