Nelson Onyando
@nelsononyando
I build and operate full-stack property platforms, mobile apps, and reliable CI/CD infrastructure.
KenyaWhat I'm looking for
At Payserve Limited, I own backend development and DevOps for a multi-tenant property management and billing platform serving 1,000+ active users across multiple client organizations.
I run production infrastructure on DigitalOcean Linux servers using Jenkins, Docker, Nginx, PM2, and Docker-based service isolation for 5+ microservices. I've resolved high-severity incidents including crash loops, unbounded database queries, and MongoDB memory exhaustion with no data loss.
I architected a scalable KRA eTIMS/DigiTax integration and built a landlord wallet and ledger system with withdrawal approvals, PDF statements, and real-time balance visibility. I also ship React Native features for iOS and Android, including offline caching and native module integrations.
Alongside MERN development, I build Spring Boot APIs with JWT and OAuth security, design relational schemas, and automate repetitive workflows with UiPath and Power Automate. I lead code reviews and mentor junior developers on React, clean code, and modern JavaScript patterns.
Experience
Work history, roles, and key accomplishments
Full Stack Developer & DevOps Engineer
Payserve Limited
Jan 2024 - Present (2 years 7 months)
Owned backend architecture and DevOps for a multi-tenant property management platform serving 1,000+ active users. Managed production infrastructure, resolved high-severity incidents, and led code reviews.
Backend Developer
Freelance
Jan 2023 - Present (3 years 7 months)
Developed REST APIs and business logic using Spring Boot for client applications. Implemented Spring Security with JWT and OAuth-based authentication and designed relational database schemas.
RPA Developer
Freelance
Jan 2023 - Present (3 years 7 months)
Designed and deployed automation workflows to eliminate repetitive manual processes. Built bots for automated data extraction and reporting using UiPath and Power Automate.
Education
Degrees, certifications, and relevant coursework
Catholic University of Eastern Africa
Bachelor of Science, Computer Science
Bachelor of Science in Computer Science degree from the Catholic University of Eastern Africa, Nairobi.
Availability
Location
KenyaAuthorized to work in
Job categories
Skills
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