YUSUF
ADENIYI
Senior Software Engineer
I build scalable products that process payments, handle millions of API requests, and grow startups from MVP to acquisition.
Yusuf Adeniyi
Builder. Problem Solver. Owner.
Senior engineer with 7+ years building products across fintech, ecommerce, creator tools, and payments.
I've helped scale startups from MVP to acquisition, built systems handling real money, and designed APIs powering thousands of users.
Featured Projects
Iwifunni Notification Platform
A multi-tenant, API-driven notification platform that lets you send email, SMS, and push notifications through a single REST API, processed asynchronously via a Redis-backed queue.
BillPay Platform
Demo Payment platform for airtime, data, electricity and TV bills.
BillPay SDK
Unified bill payment SDK abstracting multiple providers (Interswitch, VTPass).
Experience
Senior Software Engineer
- Referral system increased acquisition by 25%
- Built crypto off-ramp
- 99% payment success rate
- Multi-provider billing engine
Senior Software Engineer
- High throughput APIs
- Redis caching
- 30% faster API responses
Senior Software Engineer
- First engineering hire
- MVP to acquisition
- 100K+ users
Skills & Technologies
Backend
Databases
Frontend
Cloud & DevOps
Engineering Principles
Reliability First
Systems that don't break. Redundancy, monitoring, and rigorous testing at every layer.
Business Impact
Code that moves metrics. Every line should tie back to user value or revenue.
Simplicity Wins
Clear over clever. Readable, maintainable code that the next engineer can pick up fast.
Ownership
End-to-end responsibility. From spec to production to post-mortem — I own it.
Let's Build Something Reliable
- Backend Architecture
- Payment Systems
- API Design
- Scaling Systems