Experienced FinTech Software Engineer specializing in secure payment systems and blockchain technology. Proven track record of building high-performance backend services with Go and Python. Passionate about leveraging cutting-edge technology to innovate in the financial sector.
- 🔐 Secure payment processing systems & PCI DSS compliance
- ⚡ High-performance microservices in Go
- 🐍 Python-based ML systems for fraud detection
- ⛓️ Blockchain development (Celo, Solidity)
- 🚀 Cloud-native architectures & DevOps
type Expertise struct {
Backend []string
Cloud []string
Blockchain []string
Security []string
}
var skills = Expertise{
Backend: []string{
"Golang", "Python",
"Microservices", "RESTful APIs",
"PostgreSQL", "MongoDB",
},
Cloud: []string{
"AWS Lambda", "Docker",
"Kubernetes", "CI/CD",
},
Blockchain: []string{
"Celo", "Solidity",
"Smart Contracts", "Web3.js",
},
Security: []string{
"PCI DSS", "OAuth 2.0",
"JWT", "Secure Payment Systems",
},
}
- ⚡ Improved system performance by 40% through code optimization
- 🚀 Reduced deployment time by 60% with automated CI/CD pipelines
- 🤖 Enhanced fraud detection accuracy by 30% using ML models
- 🏆 Multiple Hackathon Wins:
- Africa Winner - Coca Cola Generation Z Hackathon
- Winner - Celo Hackathon 2024
- 3rd Place - Geekulcha and Centre for Public Service Innovation
- Scalable payment system with ML-powered fraud detection
- Tech: Golang, TensorFlow, PostgreSQL, Docker
- PCI DSS compliant
- Decentralized marketplace on Celo blockchain
- Secure vendor-to-customer food sales platform
- Tech: Solidity, React, Node.js, Celo SDK
- Optimized smart contracts for efficient transactions
- Tech: Solidity, React, Web3.js, Hardhat
Intermediate Software Engineer @ APS Holdings
Century City (Jan 2025 – Present)
Junior Software Engineer @ APS Holdings
Century City (Jan 2024 – Jan 2025)
- 📧 Email: [email protected]
- 💼 LinkedIn: Onesmus Maenzanise
- 📱 Phone: (084) 470-4641