Full Stack Engineer

Open to full-time

Bio

Osememen O. is a Full-Stack Developer with 5 years of experience across fintech, real estate, and web platform teams, spanning backend architecture through frontend delivery. He builds primarily with Node.js, TypeScript, React, and Laravel, developing REST APIs, admin systems, and customer-facing web applications, with MySQL, PostgreSQL, and MongoDB for data storage. As founder of Staylats, he architected the platform end to end, building separate domain models for long-term rentals and short-term stays with Node.js, Express, TypeScript, React, and MongoDB, and adding real-time notifications via Socket.IO with a Redis pub/sub adapter for scaling and Redis-backed rate limiting for abuse prevention. At RocketDevs, he led front-end redesigns of core product pages on a Next.js 15 and React 19 application, wiring Figma designs to live GraphQL data and internationalizing the product across 9 locales with RTL support. He holds a BSc in Computing and Information Technologies from the University of Derby, UK. He is well suited for full-stack roles requiring both backend system design and hands-on frontend delivery.

Expertise

PHPLaravelNode.jsGoMongoDBSQLRelational DatabaseDocument DatabaseDatabase CachingReactNext.jsVue.jsGitAWSTypeScript

Video Intro

Assessments

PHP Debugging Assessment

(83/100)

PHP calculate average scoreEasy
PHP user registration scriptMedium
Good score on PHP voting age scriptMedium

Projects

GreenFlats

A property listing and booking web app built with Next.js and Typescript.

DearFabrics

An e-commerce solution built with Next.js and Sanity.io for a client.

Experience

Full-stack Developer
Legend InternetMay 2024 — Dec 2024
- Contributed to the development and enhancement of Legend Internet Ltd's platforms including Legend Pay, Legend POS, and subscription management systems for Fiber and Wi-Fi services.
- Integrated FCMB Virtual Wallet APIs and Flutterwave APIs for payment processing on Legend Pay.
- Developed Laravel services and queued jobs to integrate Srun Triple-A system APIs for subscription management.
- Integrated Customer.io for automated email and SMS notifications.
- Built front-end modules for Legend Pay and Legend POS using Vue 3 Composition API, Shadcn-Vue, Vue Router, Pinia, and ApexCharts.js.
- Set up CI/CD pipelines using GitHub Actions for smooth deployment.
PHPLaravelNode.jsExpress.jsMySQLPostgreSQLMongoDBRedisReact.jsNext.jsVue.jsGitGitHub ActionsDockerLinux Administration
Back-end Developer
EFNetworkJun 2023 — May 2024
- Contributed to the development of GabTaxi, a ride-hailing start-up similar to Bolt.
- Developed a microservice architecture using Laravel.
- Integrated Redis Geospatial Indexes for geofencing and efficient routing.
- Utilized Firebase Real-Time Database, Pusher, Paystack Payment Gateway, and Agora APIs for real-time features and secure payments.
PHPLaravelRedisFirebasePusherPaystackAgora
Full-stack Developer (Contract)
SiiTechJan 2023 — Oct 2023
- Contributed to the development of NEPZA E-Portal and proprietary software for Free Trade Zones.
- Developed Laravel REST APIs, web portals, and integrated payment gateways.
- Designed and implemented front-end using Next.js.
- Managed file storage with Amazon S3 and set up email notifications.
PHPLaravelNext.jsAmazon S3SendGrid

Education

BSc. Computing and Information Technologies (Top-up)
University of Derby, UKUK2019 — 2020
Advanced Diploma: Professional Computing and Information Processing
Institute of Commercial Management, UKUK2018 — 2018
National Diploma: Computer Software Engineering
Nspire School of Management and Technology, NigeriaNigeria2016 — 2018