Deck99

ENERGY. SOFTWARE. CONNECTED.

Software for
what comes next.

Custom-built platforms for energy innovators, blockchain ecosystems and real-world assets. From complex challenges to technology that works.

OSIJEK, CROATIA | BUILT TO CONNECT

01 / ENERGYIntelligent asset control
02 / BLOCKCHAINConnected digital ecosystems
03 / SOFTWARECustom platform development
04 / DELIVERYFrom concept to integration

WHAT WE DO

Deep technology.
Practical purpose.

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

One connected perspective

Backend development, DevOps, data engineering and product management working around the same operational challenge.

Containerised battery storage unit on a gravel pad

ENERGY MANAGEMENT SOFTWARE

Complex energy.
Clear control.

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.

PV & BESSReal-time monitoringAsset optimizationCloud platforms
VISIBILITY

See the whole asset

Bring performance data and energy flows into a connected environment for asset owners, operators and energy managers.

MOBILITY

Stay connected

Mobile access for remote monitoring, system anomalies, maintenance needs and energy market notifications.

INTEGRATION

Connect the systems

Event-driven data flows and service-oriented architecture support independent scaling and deployment.

DIGITAL PLATFORMS

Beyond the interface.
Into the infrastructure.

Software that connects physical assets with digital operations, ownership models and energy markets.

INFRASTRUCTURE MONITORING 01

Blockchain operations.

Real-time visibility, control and performance monitoring for large-scale crypto mining infrastructure, across a single site or a distributed network of facilities.

REAL-WORLD ASSETS 02

Asset tokenization.

Platforms for fractional ownership and on-chain transparency across energy infrastructure, real estate, equipment and investment vehicles, designed with compliance and scalability in mind.

ENERGY TRADING 03

Connected energy markets.

Software for decentralized trading and peer-to-peer energy exchange, with traceable transactions, automated settlement and dynamic pricing for microgrids and energy communities.

SAAS & MOBILE 04

Operations within reach.

Mobile-friendly onboarding, infrastructure incident alerts and energy usage insights linked to pricing and grid data.

TECHNOLOGY ECOSYSTEM

  • Node.js
  • Spring
  • React
  • Solidity
  • Microsoft Azure
  • Grafana
  • TypeScript
  • AWS
  • Web3.js
  • InfluxDB

HOW WE BUILD

Architecture with
room to grow.

Clear boundaries. Connected data. Systems built around the domain they serve.

THE TEAM BEHIND THE SYSTEMS

Different disciplines.
One shared direction.

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.

Backend developmentDevOpsData engineeringProduct management
Data centre corridor lined with server racks

LET'S BUILD TOGETHER

Bring us the challenge.
Let's shape the solution.

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