
Okwudili Ezeoke
Verified Expert in Engineering
Full-stack Developer
Manchester, United Kingdom
Toptal member since January 4, 2022
Okwudili is a versatile software engineer with a passion for crafting scalable systems and innovative mobile applications. With deep expertise in back-end development, DevOps, and cross-platform technologies, he has delivered impactful solutions in fintech and edtech. Okwudili 's proactive approach and commitment to quality ensure clients receive future-ready, reliable software that drives success.
Portfolio
Experience
- Python - 8 years
- Express.js - 6 years
- React - 6 years
- NestJS - 4 years
- TypeScript - 4 years
- React Native - 4 years
- Amazon Web Services (AWS) - 4 years
- DevOps - 4 years
Availability
Preferred Environment
TypeScript, React, Node.js, GitHub Actions, Docker, Amazon Elastic Container Service (ECS)
The most amazing...
...project was developing RahPay's mobile app, which enabled West African users to effortlessly manage their bills through secure payments and geolocation.
Work Experience
Lead Software Developer
Univacity
- Spearheaded the development of scalable software solutions. Successfully reduced load times by 40% and increased system uptime by 99.8%.
- Led a cross-functional team of 10, including six developers, implementing Agile practices to improve project completion rates by 30%.
- Integrated cloud-based solutions, reducing operational costs by 20%. Conducted code reviews and implemented best practices, ensuring software maintainability and compliance with industry standards.
Lead Software Developer
RahPay
- Developed the RahPay mobile app using Ionic and Angular, creating a cross-platform solution for managing subscriptions (airtime, WiFi, electricity, mobile data, and TV) with a seamless user experience.
- Built a scalable back-end system with NestJS and PostgreSQL, integrating Flutterwave’s payment gateway for secure transactions and enabling wallet top-ups via cards or deposits.
- Utilized Redis for caching frequently accessed data, such as subscription plans and user balances, to reduce API response times and improve app performance.
- Implemented JWT-based authentication and role-based access control to secure user accounts and ensure compliance with industry security standards.
- Streamlined development with Agile methodologies and tools like Jira, while conducting code reviews and implementing automated testing using Jest and Cypress to ensure high code quality.
- Designed and developed the initial version of RahPay using React Native, handling the full app lifecycle.
Software Developer
Univacity
- Developed end-to-end web applications using JavaScript, React, and Node.js, serving over 3,000 active users.
- Collaborated with stakeholders to gather and refine project requirements, delivering 95% of projects on time.
- Built and maintained RESTful APIs to ensure seamless communication between front-end and back-end systems.
Software Developer
APTECH
- Assisted senior developers in troubleshooting and debugging basic software issues, enhancing team efficiency.
- Gained foundational knowledge in programming languages, including JavaScript and Python, through hands-on projects.
- Participated in the development of small-scale web applications under guidance, contributing to the team’s deliverables.
- Shadowed experienced developers to understand Agile methodologies and version control systems like Git.
- Attended training sessions to strengthen skills in software development and cloud technologies.
Experience
Personal Finance Tracker
https://github.com/cetech1001/personal-finance-trackerNext-gen Financial API Platform
Education
Master's Degree in International Business
Manchester Metropolitan University - Manchester, UK
Master's Degree in Business Administration
European University of Lefke - Lefka, Cyprus
Bachelor's Degree in Computer Engineering
European University of Lefke - Lefka, Cyprus
Certifications
AWS Certified Cloud Practitioner
Amazon Web Services
Skills
Libraries/APIs
React, Node.js, REST APIs, Stripe, Social Media APIs
Tools
Plaid, Amazon Elastic Container Service (ECS), Jenkins, Ansible
Languages
TypeScript, Python, JavaScript, GraphQL, SQL, C++, C
Frameworks
NestJS, Express.js, Angular, React Native, Next.js, Tailwind CSS, Django, Ionic, OAuth 2, JSON Web Tokens (JWT)
Paradigms
Mobile Development, Hosting, Scalable Application, DevOps, Microservices
Platforms
iOS, Android, Amazon Web Services (AWS), Docker, Kubernetes, AWS IoT
Storage
MongoDB, Data Integration, PostgreSQL, MySQL
Industry Expertise
Project Management
Other
API Integration, Full-stack, Full-stack Development, Back-end, Payment APIs, Startups, Front-end, Front-end Architecture, Progressive Web Applications (PWAs), Web Development, UI Development, Front-end Development, Software Architecture, Single Sign-on (SSO), Back-end Development, Data Visualization, Technical Leadership, Architecture, Corporate Finance, Development Finance Institutions (DFI), Process Improvement, FastAPI, OpenAI, GitHub Actions, CI/CD Pipelines, Business Analysis, Business Management, Business Administration, Microprocessors, Data Structures, Algorithms, Web Scraping, Machine Learning, Scheduling, Database Analytics, Responsive Design, Program Management, Flutterwave, APIs
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