Wirngo Banseka Jude

I help companies build fast, reliable, and scalable backend systems that power payments, subscriptions, promotions, and user growth.

With 8+ years of experience, I design and optimize production-grade systems used by real customers. My focus is not just writing clean code — it’s building backend architectures that improve performance, increase conversions, and scale without breaking existing workflows.

🔧 What I Can Help You With

Backend API development (Node.js, Spring Boot)

Subscription systems & recurring billing logic

Promo code, discount & loyalty systems

Campaign & referral system architecture

Performance optimization (up to 40% faster load times)

Database design & optimization (MySQL, MongoDB)

Dockerized deployments & production-ready environments

📈 Proven Business Impact

Improved application performance by 40%

Increased subscription sign-ups by 10%

Boosted promo usage by 30%

Improved transaction success rate by 20%

I focus on solutions that directly impact business metrics — conversion, retention, and revenue.

🤝 How I Work

Clear communication & structured documentation

Clean, maintainable, and scalable architecture

Strong understanding of both technical and business constraints

Reliable delivery and long-term mindset

If you're looking for a backend engineer who understands both code and business growth, I’d be happy to discuss your project.

Let’s build something scalable.