Technology Ecosystems
Specialized expertise across modern tech stacks.
Deep specialization in Ruby and JavaScript ecosystems, complemented by robust infrastructure and leadership experience all focused on delivering scalable, maintainable systems.
Ruby Ecosystem
Full-stack Ruby development with modern patterns, real-time features, and robust background processing for scalable web applications.
Built Ruby applications serving 100K+ users with Hotwire for real-time UX and Sidekiq processing 10M+ jobs monthly.
JavaScript Ecosystem
Modern JavaScript development across the full stack from interactive UIs to scalable backends with type safety and performance optimization.
Built JavaScript applications with TypeScript serving millions of users and component libraries powering 20+ teams.
Data & Ops
Observability-first databases, caching layers, and infrastructure automation that keep costs flat as usage spikes.
Cut cloud spend 20% while halving read latency for analytics workloads.
Architecture & Leadership
Cross-team architecture reviews, hiring, and technical coaching that unblock product delivery.
TOOLKIT
Built an architecture guild and mentoring program that lifted cycle time across six teams.
My Projects
A collection of platforms and applications I've built, from learning platforms to enterprise solutions.
RubyDev
Learn • Build • Deploy
Ruby learning platform mentoring 8K+ developers with interactive coding challenges and real-world projects.
See live
Your Migration Platform
Migration SaaS platform helping thousands of applicants navigate international relocation processes.
See live
Fleet Management
Telematics control center tracking 100K+ vehicles with real-time analytics and insurance integration.
See live
Brightening Your Tomorrow
Telemedicine platform connecting patients with healthcare providers across Africa via video consultations.
See liveDevHub
Engineering Playbooks
Curated engineering knowledge base with 50+ technical playbooks and best practices for developers.
See liveOnce Campfire
Slack Replacement
Team communication platform forked from DHH's Basecamp, offering focused conversations without distractions.
See liveLeadership & Architecture
Building teams and systems that scale.
7+ years leading teams through complex technical challenges, from system architecture to team growth.
System Architecture
Designed scalable multi-tenant systems serving 100K+ users with 99.99% uptime through microservices, caching strategies, and circuit breaker patterns.
Team Leadership
Mentored 15+ engineers across 6 teams with 90% promotion rate to senior roles. Built high-performing teams through technical guidance and strategic planning.
Performance Engineering
Optimized system performance achieving 300% speed improvements through query optimization, caching, and infrastructure scaling strategies.
Cost Optimization
Reduced infrastructure costs by 40% through Docker containerization, auto-scaling policies, and strategic technology choices.
Innovation & Strategy
Drive technical innovation through emerging technologies, strategic platform decisions, and forward-thinking architectural patterns.
Technical Documentation
Create comprehensive technical documentation, architectural decisions records, and knowledge-sharing systems for sustainable team growth.
Get in touch today
Have a new project in mind? Need help with an ongoing one? Drop us a line about your project needs, we answer same day.
Location
Cape Town
South Africa
nwakauc1@gmail.com