See the whole asset
Bring performance data and energy flows into a connected environment for asset owners, operators and energy managers.
ENERGY. SOFTWARE. CONNECTED.
Custom-built platforms for energy innovators, blockchain ecosystems and real-world assets. From complex challenges to technology that works.
OSIJEK, CROATIA | BUILT TO CONNECT
WHAT WE DO
We build scalable platforms for PV, battery storage, tokenized assets and infrastructure management. Domain knowledge and software engineering come together to make complex systems easier to operate.
06 / OUR APPROACH
Backend development, DevOps, data engineering and product management working around the same operational challenge.

ENERGY MANAGEMENT SOFTWARE
Our cloud-based EMS brings real-time monitoring, control and optimization to PV systems, BESS, EV chargers and industrial loads. Scalable integration helps operators understand performance and make informed decisions.
Bring performance data and energy flows into a connected environment for asset owners, operators and energy managers.
Mobile access for remote monitoring, system anomalies, maintenance needs and energy market notifications.
Event-driven data flows and service-oriented architecture support independent scaling and deployment.
DIGITAL PLATFORMS
Software that connects physical assets with digital operations, ownership models and energy markets.
Real-time visibility, control and performance monitoring for large-scale crypto mining infrastructure, across a single site or a distributed network of facilities.
Platforms for fractional ownership and on-chain transparency across energy infrastructure, real estate, equipment and investment vehicles, designed with compliance and scalability in mind.
Software for decentralized trading and peer-to-peer energy exchange, with traceable transactions, automated settlement and dynamic pricing for microgrids and energy communities.
Mobile-friendly onboarding, infrastructure incident alerts and energy usage insights linked to pricing and grid data.
TECHNOLOGY ECOSYSTEM
HOW WE BUILD
Clear boundaries. Connected data. Systems built around the domain they serve.
THE TEAM BEHIND THE SYSTEMS
Based in Osijek, Croatia, Deck99 combines deep technology expertise with domain-specific knowledge. Our team brings backend development, DevOps, data engineering and product management together, alongside junior and mid-level developers.

LET'S BUILD TOGETHER