Tagbo

Staff Platform Engineer (AI/ML Infrastructure)

Punch Group • Fulltime

Apr 2025 - Present • 1 yr 6 mos

Own production platform reliability for a multi-tenant AI agent platform for financial operations, built for SOC 2 readiness. Led infrastructure and security hardening across private AWS environments (VPC, least-privilege IAM, KMS, Secrets Manager). Designed and executed a staged production cutover - 7 go/no-go gates, 8 CloudFormation stacks, 16 controlled database migrations - with zero unplanned downtime. Built the central AI agent orchestration layer while keeping core financial calculations fully deterministic. Implemented multi-tenant isolation validated at 1,000+ concurrent agents across 100+ test tenants.

Senior Solution Architect & Consultant — Software Engineering & AI Workflows

Freelance / Digital Agency Partner • Freelance

Mar 2018 - Present • 8 yrs 7 mos

Delivered production-grade applications for clients across the US, UK, Canada, Germany, and Africa. Built secure high-throughput REST/GraphQL APIs handling 1M+ requests/month. Integrated Stripe, PayPal, Flutterwave, and Paystack payment systems at 99.98% success rates, meeting PCI-DSS requirements. Designed multi-tenant SaaS platforms with database isolation and role-based access, meeting GDPR/NDPR requirements. Advised CTOs and founders on infrastructure and cost optimization, delivering 25-40% resource savings.

Senior Staff Software Engineer

So You Think You Can Code • Fulltime

Aug 2022 - Mar 2025 • 2 yrs 7 mos

Led AI systems handling 10,000+ daily transactions at 99.9% uptime. Guided migration from a monolith to microservices (NestJS, Go, Python), improving scalability and performance by 60%. Designed secure CI/CD pipelines with automated rollback, accelerating release cycles by 92%. Implemented monitoring that cut incident recovery time from hours to minutes. Managed a team of 7 engineers, set coding standards, and established TDD/testing practices that improved release confidence.