15+ fintech projects (trading, wealth, BNPL)
Engineering for modern financial platforms
We help fintech platforms from Trading and WealthTech to BNPL build scalable, real-time, and compliant systems.
Proven in finance. Shaped by fintech.
With over a decade of experience inside a top-tier investment bank and hands-on work across fintech platforms, we understand both sides of the ecosystem from modern product platforms to regulated financial institutions.
10+ years in investment banking
Java / Scala / Apache Kafka expertise
AI-ready SDLC and tooling
Challenges we tackle for fintech platforms
- Scaling systems under real-time load and volatility
- Integrating with complex financial ecosystems
- Processing large volumes of financial data in real time
- Downtime during the release of new features
- Building data- and AI-driven capabilities
- And much more
Where we deliver the most value
See what we can do for you in the fintech niches we know inside out.Trading platforms
We cooperate with trading platforms providers, financial institutions, and fintech companies – building systems that connect market data, users, and regulated environments.
- Seamless integrations and deployment
- Building towards zero-downtime releases (blue-green deployments, canary releases)
- Scaling under volatile market conditions
- Institutional-grade operational resilience
- Complex compliance integrations (KYC/AML)
- Global 24/7 Market Readiness
- Optimized infrastructure for cost reduction and increased efficiency
BNPL
We operate at the intersection of BNPL (Buy Now, Pay Later) platforms, payment ecosystems, and financial institutions; connecting fintech products with regulated financial infrastructure.
- Building real-time ML-powered credit decisioning at scale
- Managing risk and fraud detection
- Integrating KYC, AML and credit providers
- Handling high transaction volumes, payment orchestration, and lending lifecycle
- Deferred payments and payouts handling across multiple providers
WealthTech
We help you build scalable platforms for portfolio management, digital investing, and financial personalization that integrate with the financial ecosystem.
- Scaling platforms with growing user bases
- Processing large volumes of financial data in real-time
- Integrating multiple data providers
- Building AI-driven investment features
Banking
We help investment banks integrate complex ecosystems, modernize legacy architectures, and build AI-ready development environments.
- Modernizing legacy system architectures
- Integrating platforms with multiple external vendors
- Developing real-time data systems
- Providing zero-downtime releases
- Managing regulatory complexity and solving complex problems
Learn more about our services for investment banking:
Read more >
Core capabilities across financial platforms
We bring engineering expertise across all financial domains:
- Real-time systems and event streaming (Kafka)
- API platforms and ecosystem integrations
- High-performance backend systems (Scala / Java)
- AI-ready SDLC and developer productivity (Visdom)
- Traceability, observability and compliance (TraceVault)
Read our success stories
1
Developed a highly resilient, performant reactive trading system that successfully processed growing traffic volumes
2
Designed and implemented new successful services while simultaneously rewriting legacy services to align with the new reactive architectural standards.
3
Expanded the system's technical capabilities to allow the rapid addition of new markets
Trading Platform
Building a resilient trading platform for a FinTech company
1
Developed a highly resilient, performant reactive trading system that successfully processed growing traffic volumes
2
Designed and implemented new successful services while simultaneously rewriting legacy services to align with the new reactive architectural standards.
3
Expanded the system's technical capabilities to allow the rapid addition of new markets
1
Prepared two core backend modules to evaluate daily player bids against exchange rates and calculate scores.
2
Created an advanced AWS-integrated notification module for emails, SMS, and push alerts while implementing Kubernetes.
3
Supported the client’s team on-site with the knowledge and experience needed to ensure a smooth, timely deployment.
WealthTech
Mobile app that lets you predict, learn and earn Bitcoin
1
Prepared two core backend modules to evaluate daily player bids against exchange rates and calculate scores.
2
Created an advanced AWS-integrated notification module for emails, SMS, and push alerts while implementing Kubernetes.
3
Supported the client’s team on-site with the knowledge and experience needed to ensure a smooth, timely deployment.
1
Deployed the Logical Synchronizer Upgrade framework
2
Introduced asynchronous node progression and configurable governance
3
Enabled live application continuity during upgrades to eliminate system-wide freezes and minimize downtime
FinTech
Streamlining Canton Network Upgrades to Minimize Downtime Risk
How we work
We operate at the intersection of banking and fintech, strengthening internal teams with specialized engineering expertise. We leverage our experience and business-oriented approach to designing and developing large-scale and complex systems.
Work alongside internal engineering teams
Focus on high-complexity, high-impact areas
Bring niche expertise and engineering excellence where it matters most
Deliver fast without compromising compliance
Recommend critical improvements
Take full ownership – we treat your product as ours
Why VirtusLab
Inside financial systems experience
10+ years working with a top-tier investment bank
Fintech ecosystem exposure
Trading, WealthTech, BNPL, and payments
Niche engineering expertise
Scala, Kafka, Java, real-time systems, AI-ready SDLC
Built for regulated environments
Compliance, traceability, and auditability by design