GABRIEL NONSO ONYEAKA
Software Engineer
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github.com/Gabrielonso|linkedin.com/in/gabriel-nonso-onyeaka-6a-/
Technical Skills
Programming Languages:JavaScript (Typescript), PHP,SQL
rameworks & Libraries:React.js, Node.js, Express.js, Nest.js, Electron.js, React Native, Peer.js,Next.js, JQuery,
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AJAX
Database systems:MySQL, PostgreSQL, MongoDB
Platforms: Slack, GitHub, JIRA
Other tools and technologies:Typescript, WebRTC,Socket.io, Git, GitHub Actions, AWS (EC2, S3, RDS)
Experience
Full Stack Engineer & Team Lead
MARCH 2023 – PRESENT
Xolani Health LTD
Skills: React, Nodejs, Express, Socket.io, MySQL, AWS, WebRTC
● Led a cross-functional team of 3 engineers and a product designer in development of a teleradiology
platform, focusing more on backend architecture.
● Developed a desktop application using ReactJS and ElectronJS that receives medical images from
machines(CT,MRI and XRay machines) via dicom protocol and automatically uploads it to the cloud
environment, improving the efficiency of work to be done.
● Spearheaded the technical migration of resources to AWS, implementing cost-efficient methodologies and
scalability enhancements, resulting in a 35% reduction in initial AWS expenditure.
● Implemented an offline feature in the desktop application to enable users within the facility, connected to a
local network, to have access to some basic xolani bridge features even without an internet connection.
● Developed a collaborative tool (video/voice call) which increased user engagement by 40% within the
application to facilitate team meetings and consultations.
● Built an upload manager which increased users' satisfaction and adoption rate by over 100% because of its
advanced features such as multiple file uploads, resume capability, progress indicators, and network
resilience handling.
● Increased user retainability by 50% by promptly responding to requests for support and technical issues.
Backend Engineer
August 2024 – November 2024(Contract)
The Guru Solutions
Skills: Nestjs, Nodejs, Express, Socket.io, MySQL, AWS, BullMQ
● Developed the entire backend architecture for a robust and safe bill and utility payment
application(SurestPay).
● Implemented a system to handle background jobs efficiently in order to improve the performance of the
system.
● Designed architecture to avoid race conditions and handle concurrent requests safely.
● Integrated multiple third-party services including payment processors and SMS/email providers,
notifications, etc.
● Ensured data integrity and transactional safety during peak traffic.
● Implemented a wallet system for users to make purchases from.
ull Stack Engineer & Team Lead
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MAY 2021 - APRIL 2023
Heimdall Technologies
Skills: React.js, React Native, Node.js, Express, Socket.io, PostgreSQL, WebRTC,Stripe
● Engineered a reusable UI component library, leveraging Clean Code principles, boosting development
efficiency by 40% and significantly enhancing user experience.
● Designed and implemented reusable UI components that reduced development time by 30% across projects.
● Reduced API call redundancy by 25% through centralized state management, optimizing data fetching and
application responsiveness.
● Maintained DRY code principles, minimizing redundancy and improving code readability.
● Achieved a 20% reduction in lines of code through efficient abstraction and reuse strategies.
● Leveraged advanced ReactJS features (e.g., Hooks, Suspense) to optimize front-end performance and user
experience.
● Increased application responsiveness by 50% through asynchronous rendering techniques and optimized
component lifecycle management.
Frontend (web & mobile) Developer
OCTOBER 2021 - MARCH 2023
BrandDrive
Skills: React.js, React Native, TailwindCSS, MaterialUI
● Developed and maintained responsive web and mobile applications using React.js and React Native
frameworks, supporting functionalities for accounting, payments, point of sale (POS), e-commerce, and
analytics.
● Implemented coding standards and conducted regular code reviews, leading to a 25% decrease in code
complexity and a 20% improvement in code maintainability scores.
● Collaborated closely with UX designers and product managers, resulting in a 15% increase in feature
adoption and a 20% improvement in user interface consistency.
● R
esolved critical bugs within a short period of time, resulting in a 30% reduction in customer support tickets
related to application issues.
● Contributed to UX improvements that increased user retention rates by 25% and boosted average session
duration by 40%.
● Implemented efficient workflows and tools, reducing average development time per feature by 20% and
accelerating time-to-market by 30%.
ull Stack Developer (Freelancing)
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December 2020 - Present
kills: React.js, React Native, PHP, JavaScript, jQuery, Node.js, Express.js, Nest.js, Bootstrap, MySQL, Ant
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Design UI,Material UI,Next.js
● Wrote clean, readable, and testable code, resulting in a 20% reduction in bug reports.
● Fixed performance problems, improving application speed by 30%.
● Provided technical assistance and maintenance for web and mobile applications, leading to a 95% client
satisfaction rate.
● Met both technical and consumer needs effectively, delivering projects on time with a 100% completion rate.
● Collaborated with clients to understand their requirements and provide the best fit and best practice solutions.
Key projects
8S (Web, Mobile app and Backend development)|React.js,React Native, Node.js, Express, Socket.io,
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PostgreSQL, Stripe, Google places and maps API
● Led a team of engineers to develop "m8s," a social networking app that allows users to find and connect with
others within their proximity and beyond.
● Implemented real-time chat functionality, resulting in a 70% increase in user engagement.
● Developed features for sending gifts, making video and audio calls, and sharing updates (posts, events,
stories), enhancing user interaction and retention by 50%.
● Integrated geolocation services to allow users to find and connect with nearby users, improving user
acquisition by 30%.
BrandDrive (Web and Mobile app development)|React.js,React Native, TailwindCSS, MaterialUI, Ionic
● Contributed to the development of BrandDrive, a comprehensive business management platform that
provides tools to manage businesses both online and in-store. The platform includes features for accounting,
payments, point of sale, e-commerce, and analytics, helping businesses streamline operations and grow
efficiently.
● Successfully launched the app, achieving 1,000+ downloads within the first month.
● Maintained a 4.5-star rating on play store and app store, indicating high user satisfaction.
Xolani Bridge (Web and Backend development)|React.js,Node.js, Express,Next.js, Socket.io, MySQL, AWS
● Led the team to develop an imaging and teleradiology solution that integrates seamlessly into clinical
orkflows, optimizing interpretation processes and providing hospitals with convenient access to
w
radiologists.
● Provides opportunities for radiologists to earn more by taking on additional cases from a global pool of
hospitals.
Enables radiologists to work remotely, offering greater flexibility and work-life balance.
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Trustreload (Mobile app and Backend development)|React Native, Node.js, Express, MySQL
● Contributed to the development of Trustreload, a platform designed to facilitate and streamline bills and
utility payments for users. The platform offers a user-friendly interface and secure payment processing,
making it easier for users to manage and pay their bills.
SurestPay (Backend development)|NestJS, Node.js,MySQL, BullMQ, Socket.IO,
● Developed the entire backend architecture for bills and utility payment platform(SurestPay).
Education
niversity of Ilorin, Nigeria
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Bachelor in Engineering (B.Eng)
Agric & Biosystems Engineering
October 2013 – October 2018
