Simon Okello

Nairobi, Kenya

• Lead engineering strategy and a team of 10 engineers across software development, DevOps and QA, aligning the technical roadmap with company revenue goals.
• Own architecture for SasaPay's core products (Wallet-as-a-Service, payment APIs, developer platform), processing over 100 million transactions worth more than Shs 5 billion.
• Introduced team-wide engineering and delivery processes, improving on-time delivery by 70%.
• Hired 8 engineers and promoted 2 team members into senior roles.
• Standardised CI/CD and cloud infrastructure across all product lines, cutting release time by 80%.

Nairobi, Kenya

• Designed and led delivery of the Wallet-as-a-Service (WAAS) API; adoption grew 60% and API-driven revenue grew 40%.
• Built and optimised C2B, B2C and B2B payment APIs, increasing transaction volume 30% and adding about Shs 300M in annual revenue.
• Led integrations with partner banks, telcos and merchants, growing the partner ecosystem 25%.
• Raised test coverage and code quality standards across the team, reducing downtime 30% and saving about Shs 15M a year.
• Rebuilt the SasaPay Developer Portal and API documentation, cutting partner onboarding time by 50%.
• Ran technical onboarding for enterprise clients, reducing integration time 20% and improving retention 15%.

Nairobi, Kenya

• Reviewed AI training data to 98% accuracy.
• Coached annotation agents on quality and throughput.

Nairobi, Kenya

• Data verification and reporting for international clients.
• Built the attention to detail and process discipline I bring to engineering teams.