Abiodun A.
Software Engineer
Experience
Jan 2024 - Jan 2025
1 year 1 monthSoftware Engineer
EasyRoundup
- Developed Java backend for savings automation, implementing user-defined roundup rules on each transaction via scheduled cron jobs.
- Delivered MVP in 3 months; implemented TDD and 78% test coverage.
Nov 2023 - Present
2 yearsLead Engineer
Smart Approaches
- Led a 5-member engineering team delivering two monolithic platforms: GYWDE (services marketplace) and SAWL (cohort-based learning).
- Built GYWDE from scratch, onboarding 4K+ users and supporting 2.5K active vendors with sub-second response times.
- Launched SAWL with project submissions, automated grading, and mentor feedback workflows.
- Architected Redis-powered chat, background job queues, and event-driven notification systems.
- Defined CI pipelines and testing strategy (unit, e2e, auth) via CircleCI—cut regressions by 40% and raised coverage to 82%.
- Deployed via Docker & CircleCI to AWS EC2 (ECR); implemented monitoring and alerts with Prometheus and Sentry.
- Mentored 2 junior engineers and reduced PR cycle time by 30% through reusable architecture patterns.
Jan 2023 - Oct 2023
10 monthsSenior Software Engineer
WhipCare
- Delivered React Native MVP for car-care booking with offline sync and biometric login.
- Automated CI/CD with Fastlane, supporting 100+ monthly bookings and 35% user retention.
Aug 2022 - Present
3 years 3 monthsMobile Engineer
ManoFX
- Engineered offline-first FX wallet with biometric auth, encrypted storage, and real-time rate alerts.
- Conducted pilot QA: 98% crash-free sessions; designed sync pipelines for launch readiness.
Aug 2022 - Present
3 years 3 monthsMobile Engineer
Monival
- Built lightweight digital wallet with asynchronous payout queues and push notifications.
- Achieved 40% 30-day retention in pilot; integrated compliance hooks and telemetry.
Dec 2021 - Jul 2022
8 monthsSenior Software Engineer
BananaCrystal
- Developed real-time dispute resolution service, cutting resolution time from 6 hours to 2 hours.
- Led the development debit card feature and referral program.
- Built secure audit and reporting modules for admins and support agents.
Nov 2021 - Oct 2023
2 yearsLagos, Nigeria
Software Engineer
Heritage Bank
- Architected and developed POOLER, a virtual account system using TypeScript, Redis, MSSQL, and NestJS; automated account assignments and reconciliation—improving efficiency by 65% and reducing errors by 40%.
- Built backend microservices for the Banking-as-a-Service platform, onboarding 150+ SMEs.
- Developed secure APIs with OAuth 2.0, RBAC, and API Gateway; integrated NUBAN issuance, KYC, loan disbursal, and transaction monitoring.
- Partnered with compliance and product teams to meet CBN regulations and define quarterly roadmaps.
Jan 2020 - Nov 2021
1 year 11 monthsBackend Developer
NCC Church
- Engineered a comprehensive backend system with Node.js and MongoDB to support digital church operations.
- Designed an event management system with real-time notifications using Firebase and location-based services via Google Places API.
Jan 2019 - Nov 2019
11 monthsDenmark
Software Engineer Intern
Make It Good Again
- Supported Rails backend and mobile-friendly views for an electronics repair marketplace.
- Participated in sprint demos, manual QA, and performance optimizations.
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NPFL Event Detection
- Co-developed an event detection model for the Nigerian Premier League using YOLO and ResNet to identify throw-ins, corners, cards, free kicks, and penalties.
- Built Python microservices and React dashboard for live analytics; delivered sub-second inference pipelines.
Summary
Senior Software Engineer with 6+ years of experience building robust backend services and mobile apps across fintech, edtech, and marketplace domains. Adept at designing scalable systems using monolithic and microservices architectures. Proven track record leading engineering teams, driving roadmap delivery, and collaborating cross-functionally with stakeholders. Passionate about mentoring, test-driven development, and resilient infrastructure.
Languages
English
AdvancedEducation
Sep 2015 - Nov 2019
University of Ilorin
BSc.Ed Mathematics · Mathematics · Ilorin, Nigeria
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