Case Studies

For more than 25 years, we have worked closely with clients to design and deliver software solutions that strengthen operations and long-term performance. Explore our case studies to see how we effectively address complex challenges.

CAPITAL MARKETS

finance

Post-Trade Infrastructure

CSDonDLT: EVM-Based Private Blockchain for European Capital Markets Infrastructure

7bulls partnered with KDPW to design and implement a private, EVM-based DLT infrastructure for OTC securities settlement. The solution enables secure, 24/7 atomic transactions while maintaining full regulatory compliance and seamless interoperability with traditional financial systems.

Client:

Industry:

Finance

WHAT WE DID:

Architected and delivered a private, EVM-compatible DLT layer to facilitate atomic OTC securities settlement.

RESULTS:

High-availability 6-node QBFT validation cluster, 24/7/365 settlement capability, and seamless interoperability with legacy TradFi systems.

EPG/PSI system for TV operators - The Casis Modernization Story

Modernization of CASIS, a mission-critical EPG/PSI system powering digital TV operations, enabling secure, scalable, and secure 4K-ready broadcasting for global operators.

Industry:

Digital Broadcasting & Pay TV Infrastructure

WHAT WE DID:

Reconstructed system knowledge and modernized the architecture to support current standards, security, and infrastructure.

RESULTS:

Stabilized a 5M+ LoC system, ensured zero downtime for global operators, and delivered a secure 4K-ready, production-grade release.

R&D

finance

FINTECH

AI Investments - Applied R&D for stable financial time-series forecasting

A joint R&D initiative supporting the development of a financial forecasting product, focused on achieving stable and measurable prediction accuracy for large-scale, noisy financial time series using advanced machine learning architectures and an automation-driven research platform.

Client:

Industry:

Finance & Fintech

WHAT WE DID:

Built and scaled an automation-driven forecasting system for financial time-series prediction

RESULTS:

Stable 60.97% live accuracy in 2025 across 3,000 hourly-ensembled models

ONLINE STREAMING

R&D

Digital Polsat (Cyfrowy Polsat)

A multi-year R&D and engineering partnership with Cyfrowy Polsat, delivering embedded software for millions of set-top boxes, device lifecycle management systems, and real-time business intelligence to support rapid scaling in a cost-sensitive, highly competitive media market.

Client:

Industry:

Online Streaming

WHAT WE DID:

Large-scale R&D and platform engineering for a major Polish media operator

RESULTS:

Enabled rapid scaling to 3.5M subscribers and captured a dominant share of Poland’s post-analog TV market

ONLINE STREAMING

FINTECH

StreamIt / TVCoins

How we built a multi-tenant, white-label OTT streaming platform for StreamIt, combining ad-based monetization and the TVCoins loyalty system. Designed to let content providers launch branded streaming services within hours or days instead of months.

Client:

Industry:

Online Streaming

WHAT WE DID:

Designed and deployed a high-availability, multi-tenant OTT platform with a custom ERC-20 incentive layer.

RESULTS:

40+ onboarded providers, rapid <24h tenant deployment, and a functional $TVCOINS circular economy.

finance

migration

zero downtime

The Warsaw Stock Exchange (GPW)

Automated migration from Oracle Forms to Java with over 95% automation, ensuring 100% equivalence of business logic and a zero-downtime transition for a regulated, critical infrastructure enterprise in the financial market.

Client:

Industry:

Finance

WHAT WE DID:

PoC, Modernization, Migration Automation

RESULTS:

95% migration automation with zero downtime transition

Energy Tech

RENEWABLE ENERGY

AirFusion - Advanced visual inspection for wind turbine blades

AI-based visual inspection platform using drone imagery to detect blade defects with high accuracy, delivered as a scalable multi-tenant SaaS for wind-farm operators.

Client: