ljtwp
Software Engineer
Driven software engineer with 7+ years of hands-on experience building powerful backend and fullstack solutions in fintech, edtech, and blockchain. From leading engineering teams to launching scalable APIs, shipping smart contracts, and contributing to 50+ Web3 open-source projects, I thrive where complex systems meet real-world impact. Fluent in JavaScript, PHP, Rust, and Cairo. Focused on excellence, security, and growth. Always building, always shipping.
Experience: 7 years
Yearly salary: $80,000
Hourly rate: $45
Nationality: 🇳🇬 Nigeria
Residency: 🇳🇬 Nigeria
Experience
Senior Backend Engineer
Yaada NG 2023 - 2024
Led engineering efforts in building Nigeria’s inclusive fintech rails. Integrated CBN APIs and banking services into secure Fastify.js endpoints. Engineered offline USSD payments supporting underserved communities. Built automated fund reversion systems, scaling to 100K+ daily transactions. Hardened security to meet compliance-grade standards (KYC, audit, access).
Backend Engineer
STEER Education 2021 - 2023
Helped transform mental health assessments for school and academy students. Refactored legacy Laravel monolith into microservice-ready API systems. Boosted API & DB performance by 95% via deep query and index optimization. Secured sensitive psychological data with strict access and encryption flows. Managed full-stack GCP infrastructure and CI/CD deployment pipelines.
Backend Engineer
PayPaddi 2020 - 2021
Key engineer behind a mobile-first bill payment and virtual card platform. Developed and maintained all critical APIs: billers, card services, wallets. Built PCI-compliant logic for sensitive financial transactions. Handled full deployment lifecycle and maintained 99.9% uptime. Spearheaded integration between frontend/mobile teams and backend core.
Fullstack Engineer / Team Lead
Learnoflix Inc. 2019 - 2020
Took charge of a platform that scaled from 18K to 60K+ users in 4 months. Architected scalable Laravel backend with real-time sockets and affiliate logic. Migrated infra to GCP, reducing costs and downtime significantly. Led 5+ person team through Agile cycles; interfaced with founders and sales. Added 65%+ to monthly revenue through feature-driven development.
Fullstack Engineer
Bubblix NG 2017 - 2019
Built the backbone of a fintech wallet used by 10K+ Nigerians. Designed transactional DB schemas optimized for speed and atomicity. Implemented fund transfer logic, KYC verifications, and wallet balances. Design the mobile and frontend design for API-first development. Secured user data with role-based auth, rate limits, and encrypted payloads.
Skills
agile
devops
docker
git
javascript
nosql
php
rust
scrum
smart-contract
solidity
sql
full-stack
english