Femi Olatubosun | Backend Product Engineer

Rust & Typescript

Bexxle Technologies

2024 - Present

Co-Founder & Technical Lead

Wander

2023 - 2024

Product Engineer

ZeroComplex AI

2022 - 2023

Team Lead, Backend Engineer

Crenet Tech Labs

2021 - 2022

Lead Backend Engineer

Pramie Technologies

2020 - 2021

Backend Engineer

Hybrid Tech

2019 - 2020

Backend Engineer

Triple7Events

2018 - 2019

Backend Engineer

Skills

AI Engineering

LLM integrations, RAG pipelines, vector databases (Pinecone, Weaviate), prompt engineering, and AI-powered product features at scale.

Fintech & Payments

Payment processing systems, transaction reconciliation, ledger architecture, regulatory compliance, and financial data pipelines.

Distributed Systems

Microservices with gRPC, event-driven systems with Kafka/RabbitMQ, distributed locking, CQRS, saga patterns, and high-throughput data processing.

Cloud & AWS

AWS infrastructure (ECS, Lambda, S3, RDS, SQS, SNS), serverless architectures, auto-scaling, IaC with Pulumi/AWS CDK, and cost optimization.

DevOps & CI/CD

Docker/Kubernetes orchestration, GitHub Actions, Jenkins pipelines, infrastructure as code, monitoring with Datadog/CloudWatch, and zero-downtime deployments.

Backend Engineering

TypeScript/Node.js, NestJS, Hono, PostgreSQL/MySQL optimization, Redis caching strategies, API design, and real-time systems with WebSockets.

Projects

Type-safe business logic framework built on BullMQ that handles both synchronous and asynchronous operations. A typed RPC system with built-in queuing for centralized action execution.

Creator & Maintainer

TypeScript, BullMQ, Redis, Zod