Build. Scale. Optimize.

Hey, I'm Victor Jonah I'm a Backend Engineer with 5 years of experience in building scalable systems.

I specialize in cloud infrastructure and distributed systems. Currently focused on creating high-performance backend solutions using Node.js, TypeScript, and AWS.

I'm passionate about system design, microservices architecture, and optimizing for scale. When I'm not coding, I enjoy contributing to open source and sharing knowledge.

Career

Senior Backend Engineer

Bujeti • Nigeria

February 2025 – Present • Remote

  • Developing comprehensive tax management system for African businesses
  • Implemented Slack integration for seamless expense notifications and approvals

Backend Engineer

Mietz • Germany

Feb 2023 – January 2025 • Remote

  • Developed an OCR solution on AWS Lambda, reducing tenant verification from days to 10 seconds max
  • Created a scheduling system for tenant-landlord apartment viewings, boosting booking efficiency by 25%
  • Designed a shortlisting service for property owners, streamlining tenant approvals by 30%

Backend Engineer

Edvise.ai • USA

Feb 2023 – Aug 2023 • Remote Contract

  • Orchestrated supervised learning frameworks with Cloudflare Workers, improving task accuracy by 25%
  • Enhanced backend performance through Cloudflare KV caching, reducing API response time by 30%
  • Automated testing environments using Docker Compose and Jest, improving code reliability by 40%

Lead Backend Engineer

AfricWeddings • UK/Nigeria

Apr 2022 – Feb 2023 • Remote

  • Directed API development for a dashboard serving 20,000+ users using Express.js and PostgreSQL
  • Reduced deployment time by 50% through GitHub Actions automation
  • Managed logistics and media projects with 100% agile methodologies

Backend Engineer

Crenet • Nigeria

Aug 2019 – Apr 2022 • Remote

  • Delivered APIs for an Expense and Requisition Management System, improving workflows by 40%
  • Enhanced data management for a Hospital Management System with robust endpoints, reducing workload in the Hospital by 90%
  • Established microservices for a Protocol Management System with RabbitMQ, boosting efficiency by 30%

Fullstack Engineer

Cyberspace • Nigeria

Sep 2018 – Aug 2020 • On-site

  • Designed backend solutions with Node.js, C#, and Docker, improving reliability by 20%
  • Developed a payment wrapper for the in-house payment engine in Node.js

Fullstack Engineer

Hotels.ng • Nigeria

Aug 2017 – Sep 2018 • Remote

  • Initiated a file-sharing application (XShare) using Node.js and PostgreSQL, supporting 1,000+ daily transactions
  • Implemented secure payment gateways that streamlined user transactions, resulting in a 40% reduction in transaction-related customer inquiries
  • Improved file upload services, boosting performance and user satisfaction by 30%

Skills

JavaScript • TypeScript • Node.js • Express • Nest.js • MongoDB • PostgreSQL • MySQL • AWS Lambda • Cloudflare Workers • Docker • Jest • Mocha • Kubernetes • GitHub Actions • Grafana • Prometheus

Notable Achievements

  • Cut tenant verification times by 80% through an OCR service built on AWS Lambda
  • Improved API response times by 30% with caching optimizations using Cloudflare KV
  • Scaled messaging systems to handle 40,000+ streams with low latency and high reliability

Bio

Experienced Backend Software Engineer with 5 years of expertise in building scalable, high-performance systems. Skilled in JavaScript, TypeScript, Node.js (Express, Nest.js, Adonis.js), and cloud technologies (AWS, Serverless). Proficient in designing RESTful APIs, microservices, CI/CD, and leveraging tools like RabbitMQ, gRPC, and Docker. Passionate about clean code, system design, and creating efficient, scalable architectures.