Promise Uka

Architected and maintained multiple production SaaS platforms end-to-end, serving healthcare, scheduling, billing and feedback use-cases. Led development of a unified billing system supporting subscriptions, usage-based credits and Stripe integration.

Mentored junior developers through code reviews at Microverse, taught JavaScript and Python to children at ODEMY NG, and recorded a Ruby on Rails backend course for Mastering Backend.

Developed and scaled a multi-tenant SaaS platform for Google review management and agency workflows. Built dual payment flows with Stripe and Stripe Connect and designed asynchronous SolidQueue pipelines for scraping, syncing, notifications and document processing.

Provided architectural guidance across multiple concurrent projects, defining reusable patterns with stakeholders. Improved performance, reliability and code quality with well-tested, scalable code.

Developed a secure document-sharing platform with end-to-end encryption, Devise and JWT auth, AWS storage, and Stripe subscriptions. Built RESTful APIs between React frontend and Rails backend with RSpec and Jest test suites.

Built the EaziPower web platform for solar energy services using React.js and Redux over REST APIs with a mobile-first approach.

Performed full-stack Rails development and production environment maintenance, including RESTful APIs and frontend features. Optimized large file downloads and database query performance, implemented Stripe payments, and led the Rails and Ruby version upgrade.

Established a CI/CD pipeline with GitHub Actions for automated testing and deployment. Implemented authentication and user levels, per-company data obfuscation, and Stripe payments.

Developed React frontends and Rails APIs with third-party integrations for a UK bank, delivered in an agile (Scrum) cadence including stand-ups, sprint planning, and retrospectives.

Built RESTful controllers and JSON APIs with token-based authentication. Wrote model and controller tests in Minitest.

Built web application features, applied design adjustments, and ran client reviews and UX evaluation with project managers.

Completed a full-time remote Full-Stack Web Development Program with over 1000 hours of study in algorithms, data structures, Ruby, Rails, JavaScript, React, and Redux, including remote pair programming.

Pursued an MSc in Structural Engineering from 2019 to 2022.

Earned a BSc in Civil Engineering from 2009 to 2015.