Hi there, I'm

Yusuf Sanusi
(Yusuf Korede, Sanusi)

Senior Backend Engineer
Fintech Systems Specialist

With generic solutions, you get generic results. I build high-performance, scalable backend systems and distributed services using NestJS, PHP, and PostgreSQL. Over the last 9+ years, I've specialized in fintech products, turning complex workflows into seamless, lightning-fast APIs.

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Yusuf Sanusi - Yusuf Korede, Sanusi

Professional Experience

Senior Backend Engineer

Autochek Africa | Lagos Nigeria (Hybrid)
October 2024 – Present
  • Led performance optimization of microservices, reducing deployment time to ~3 minutes and significantly lowering memory usage by auditing DB migrations.
  • Designed and maintained scalable NestJS microservices for loan processing, document workflows, and integrations.
  • Integrated external platforms (e.g., EmSigner, Orkes) automating secure document retrieval and webhooks.
  • Promoted code quality via SonarQube, increasing critical component test coverage.
NestJS PostgreSQL GRPC GCP

Full Stack Engineer & Team Lead

Indicina | Lagos, Nigeria (Remote)
February 2020 – May 2024

Engineer of the Quarter (Q2 2022)

  • Led a 4-engineer team designing an open banking aggregator, securely exposing permissioned financial data.
  • Architected the system to support scalable, asynchronous data collection across multiple clients.
  • Achieved 97% document extraction accuracy using AWS Textract for credit scoring pipelines.
Laravel NestJS MongoDB AWS Kubernetes

Software Engineer

OT&T Consulting Limited | Lagos, Nigeria
October 2017 - January 2020
  • Co-led the automation of the loan origination workflow transitioning it to a fully digital platform.
  • Built a web-based document management and loan approval platform using PHP and MySQL.
PHP Laravel MySQL

Technical Arsenal

Backend Development

TypeScript (NestJS, Node.js), PHP 8 (Laravel), Python (Flask)

Databases

PostgreSQL, MySQL, MongoDB, OpenSearch

System Architecture

REST APIs, gRPC, Microservices, Workflow Orchestration (Orkes)

Cloud & DevOps

AWS (S3, EB, Textract), GCP, Kubernetes, Docker, GitHub Actions

Performance

Redis, Caching, RabbitMQ, Message Brokers, Query Optimization

Quality & Monitoring

SonarQube, Prometheus, CI/CD pipelines