Brian O. - Backend Engineer/Lead

Nairobi, Kenya

Experience

Apr 2024 - Present

1 year 7 months

Redesigned SMS architecture using whiteboard-driven microservices design, boosting performance by 40%, reducing downtime, and enhancing user experience.
Led a 2-developer team in building WhatsApp API and bulk email solutions in Golang, increasing customer engagement by 25%.
Collaborated with frontend developers to align on requirements and deliverables, accelerating development and ensuring on-time project delivery.
Optimized SMS engine with Go concurrency, boosting delivery rate from 70% to 99.9%.

Mar 2024 - Nov 2024

9 months

Developed two real estate applications, one with Python (Django) and another with PHP.
Implemented a Firebase notification system with a broadcast dashboard for Android, iOS, and web, expanding reach beyond SMS and increasing user engagement.
Integrated features for user authentication, payment processing, and automated reporting, improving efficiency and decision-making.
Developed USSD and shortcode betting systems, allowing users to place bets without internet or smartphones, expanding accessibility and boosting user adoption.

Oct 2023 - Feb 2024

5 months

Implemented payment integrations for Sahara Game using Laravel PHP, including tax remittance, C2B, and B2C transactions, ensuring compliance with KRA regulations.
Enabled faster, more secure payments and withdrawals for clients.
Developed Wallet, Betting, and Jackpot gRPC services, enhancing inter-service communication and reducing latency by 50%, which improved system reliability and customer satisfaction.
Accelerated data delivery and reduced transaction time by 40%.

Mar 2022 - Mar 2024

2 years 1 month

Developed MEPP’s first USSD and led creation of Bulk SMS and Payments APIs, improving system functionality and efficiency.
Managed Linux servers, handling administration, maintenance, and backups, ensuring 99.9% system availability.
Built a Laravel shortcode system for news delivery, driving first content launch and boosting subscriber engagement by 30%.