Backend Engineer &
System Architect.

Software Engineer and Instructor

Support students in their Java and Spring Boot learning journey, helping them strengthen technical foundations. I work closely with learners to clarify core concepts and backend development patterns.

• Conduct mock technical interviews and guide students through Data Structures and Algorithms.
• Help learners identify and master common DSA and LeetCode patterns.
• Mentor students on developing strong problem-solving skills and structured thinking/communication.
• Facilitate the transition from learning concepts to applying them confidently in real-world scenarios.

Backend Engineer & System Architect

• Architected Spring Boot backend for fintech platform processing 50K+ in monthly transactions, implementing secure payment flows and blockchain integration.
• Built comprehensive security layer using Spring Security with JWT authentication and OAuth2, achieving zero security incidents.
• Designed and optimized PostgreSQL database schema with complex JPA relationships, reducing query response time by 40%.
• Developed 30+ RESTful API endpoints documented with Swagger/OpenAPI.

Backend Developer & Technical Mentor

• Developed Spring Boot microservices for hackathon platform serving 100+ developers with robust error handling.
• Created technical curriculum covering Spring Boot architecture, API design patterns, and database optimization.
• Mentored developers on microservices communication and service discovery, resulting in 20% of participants launching production-ready systems.

Project Manager & Technical Lead

• Led agile development of Spring Boot microservices for 8-person team, achieving 99% on-time delivery across 12+ sprints.
• Coordinated backend API development and database design, facilitating daily standups and technical design reviews.
• Championed code quality initiatives including comprehensive unit testing with JUnit/Mockito, achieving 85% code coverage.

Backend Developer

• Built production Spring Boot REST APIs for Mentorlst platform serving 500+ users, implementing scheduling engine and matchmaking.
• Optimized PostgreSQL queries and implemented Redis caching, improving API response times by 20%.
• Documented 20+ RESTful endpoints using OpenAPI/Swagger, reducing frontend integration time by 15%.

Founding Member & Community Lead

• Grew a thriving community of 300+ developers, facilitating weekly learning sessions and knowledge sharing.
• Lead Java for Everyone initiative, training 80+ developers in core Java, Spring Boot, and software architecture.
• Organized JavaConnect, Kenya’s first Java-focused event, and hosted industry experts including Josh Long and Dashaun Carter.
• Collaborated with Safaricom Developers to host impact-driven virtual sessions for the local tech ecosystem.