Hello! 👋

I'm William Brandon

Senior Software Engineer

About Me

I'm Brandon — a Senior Software Engineer and Backend Architect who builds scalable, high-performance systems for real-world products. I specialize in backend development, APIs, cloud architecture, and DevOps, with experience across fintech, e-commerce, gaming, and AI. I focus on writing clean, maintainable code, designing reliable distributed systems, and delivering solutions that are fast, secure, and built to scale.

JavaScript Next.js Node.js Python AWS Docker PostgreSQL MongoDB CI/CD DevOps

Projects

01

ExaMek E-commerce Platform

A full-featured e-commerce platform built with Next.js, Node.js, PostgreSQL and Redis featuring user authentication, product management, and payment integration.

Next.jsNode.jsAWSPostgreSQLRedisDevOps
02

Bet Joto Gambling Platform

A cutting-edge gambling platform built with Python, JavaScript, and AWS, featuring real-time betting, user authentication, and secure payment processing.

JavaScriptAWSPostgreSQLRedis

Experience

Senior Software Engineer

Kalimani AI

Jan 2022 - Present
  • Architected and led the migration to a distributed microservices platform (Node.js + TypeScript + Kotlin) currently serving 1.2M+ MAU with 99.99% uptime
  • Designed and implemented event-driven backend systems using Kafka and Redis, reducing end-to-end latency by 45% and cutting infrastructure costs 30%
  • Owned the full-stack development of core product features (React 18 + Next.js + NestJS), shipping production code weekly in an Agile environment
  • Reduced average API response time from 850ms to <300ms through query optimization, connection pooling, and strategic caching, and database indexing
  • Established engineering standards: TypeScript best practices, code review processes, and testing pyramid (95%+ unit test coverage)
  • Mentored 6 engineers (junior to mid-level), conducted 1:1s, and ran internal tech talks on system design and performance

Full Stack Developer

Ibibe Africa

Jun 2020 - Dec 2021
  • Single-handedly built and shipped the company’s flagship MVP from zero to production in 4 months using React + Next.js frontend and Node.js + NestJS + PostgreSQL backend
  • Designed RESTful and GraphQL APIs handling payment processing, real-time notifications, and multi-tenant authentication (JWT + Redis sessions)
  • Implemented end-to-end CI/CD pipeline with GitHub Actions, Docker, and AWS ECS, reducing deployment time from hours to under 8 minutes
  • Integrated third-party services (Stripe, SendGrid, AWS S3, Google Maps) and built resilient retry/error-handling mechanisms
  • Led technical decision-making and collaborated directly with CEO and product team to prioritize roadmap and define scalable architecture

Frontend Developer → Full Stack Engineer (promoted)

Brisk Solutions

Aug 2018 - May 2020
  • Delivered 25+ client projects (React, Vue.js, Angular) for industries including fintech, e-commerce, and healthtech, consistently achieving 95+ Lighthouse scores
  • Modernized multiple legacy codebases by introducing TypeScript, Redux Toolkit, and component-driven architecture
  • Took ownership of backend tasks (Node.js + Express + MongoDB/PostgreSQL) as the team grew, eventually handling full-stack features independently
  • Improved average page load time 40% through code splitting, lazy loading, image optimization, and critical CSS inlining
  • Introduced testing culture with Jest + React Testing Library, raising frontend test coverage from <10% to 85%

Education

Data Science & Machine Learning Bootcamp

Moringa School

2023 – 2024
  • Intensive 6-month program focused on Python, Pandas, Scikit-learn, TensorFlow, and production ML pipelines
  • Built end-to-end ML projects including recommendation systems and predictive analytics dashboards
  • Gained practical experience with MLOps tools (MLflow, Docker, FastAPI) and cloud deployment (AWS SageMaker, GCP)

Bachelor of Science in Software Development

KCA University

2017 – 2021
  • Focused coursework in Algorithms, Data Structures, Software Engineering, Distributed Systems, and Databases
  • Final-year project: Real-time logistics tracking platform using React, Node.js, and Socket.io (awarded Best Project in cohort)
  • Consistently ranked in top 10% of class

Full Stack Web & Mobile Development (Android + Web)

Emmobilis Mobile & Web Development Academy

2016 – 2017
  • 12-month intensive bootcamp (1,000+ coding hours)
  • Mastered Java (Android), JavaScript, HTML/CSS, PHP, MySQL, and early Node.js
  • Built and published 3 Android apps and 5 full-stack web projects as part of the curriculum
  • Graduated as valedictorian of cohort