Femi Olatubosun

Backend Product Engineer

Currently Building With

Rust•Golang•AWS•Kafka•Typescript•Rust•Golang•AWS•Kafka•Typescript•

HotSpotsBeauty

Nov 2025 - Present

Senior Backend Engineer

Bexxle Technologies

May 2025 - Nov 2025

Senior Backend Engineer (Consulting)

Wander

May 2024 - May 2025

Product Engineer

ZeroComplex AI

Jan 2023 - Apr 2024

Team Lead, Backend Engineer

Akiba (Crenet Tech Labs)

Apr 2023 - Sep 2023

Lead Backend Engineer

Pramie Tech

2022

Backend Engineer

Skills

TypeScript

Primary language. NestJS, HonoJS, AdonisJS, Prisma, PostgreSQL, Redis, BullMQ.

Fintech & Payments

Double-entry ledgers, idempotency, payout sagas, Paystack/Stripe integrations, transaction guards.

Infrastructure

GCP, AWS, Pulumi, Cloudflare, Docker, self-hosted Linux and Coolify.

Observability

OpenTelemetry, Sentry, Prometheus, Grafana, Betterstack, SigNoz.

AI / LLMs

OpenAI, Anthropic Claude, Google Gemini, RAG pipelines and prompt engineering.

Testing

Jest, Testcontainers, Docker Compose for E2E.

Projects

Veritas Social ↗

Student career network (Nigeria). Consulted on architecture and shipped two features on an Express + Python stack: an AI bug-tracking agent and an event-driven persona engine where customizable AI personas autonomously post, reply, and engage.

Consulted on architecture

Express, Python, AI/LLM