I’m Olawale Ogunleye, a Senior Software Engineer with 10+ years of experience building and scaling world-class applications across fintech, SaaS, and enterprise systems.
I thrive at the intersection of product vision and technical execution, transforming complex requirements into scalable, maintainable, and secure solutions.
💡 Core beliefs:
- Software should be built to last — clean architecture, tested, and maintainable.
- User experience matters as much as code quality.
- Collaboration and mentorship are essential for long-term team success.
| Year | Milestone |
|---|---|
| 2013 | Started as a junior developer, mastering .NET, C#, and SQL |
| 2016 | Transitioned to full-stack development, adding React, Angular |
| 2018 | Led my first enterprise SaaS project, handling architecture & deployments |
| 2020 | Moved into cloud-native applications with AWS & Azure |
| 2021 | Founded OS LIMITED |
| 2021 | Founded OSSOFTS LLC, a Global Software Company registerd in the USA |
| 2025 | Founded TradeSwift, a cross-border fintech platform |
| 2025 | Architecting and scaling distributed payment systems for emerging markets |
- Scaled a fintech platform from MVP to 50k+ active users in under 18 months.
- Designed secure payment gateways integrating Stripe, Flutterwave, and PayPal.
- Built multi-tenant enterprise applications with role-based access control.
- Architected real-time financial reporting systems processing millions of transactions daily.
- Mentored 20+ junior and mid-level developers into senior engineering roles.
Cross-border payments platform for emerging markets, enabling B2B companies to send and receive international payments with competitive FX rates.
Tech stack: React NestJS Prisma PostgreSQL AWS ECS Docker
Enterprise financial transaction system with bank API integrations, fraud prevention, and automated reconciliation.
Tech stack: .NET Core Angular Azure SQL Server
A business management suite for SMEs to manage invoicing, customer relationships, and analytics.
Tech stack: React Node.js Express MongoDB
Languages:
JavaScript TypeScript C# SQL Python
Frameworks & Libraries:
React Angular NestJS .NET Core Redux Material UI
Cloud & DevOps:
AWS Azure Docker Kubernetes GitHub Actions CI/CD
Databases:
PostgreSQL MySQL MongoDB SQL Server
💬 I’m always open to discussing new projects, collaborations, or mentoring opportunities.
📫 Reach me at LinkedIn or Twitter.