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Femi User

@fmshot

Message

I build reliable payment, reconciliation, and SaaS platforms for high-volume users.

Nigeria

Message

I've built payment and reconciliation systems for Bex-IT Group, including Google Play Billing and Apple In-App Purchase flows that achieved 100% subscription-state accuracy and reduced payment-related support tickets by 90%.

For BEEZLINQ, I helped reduce payment failures to 0.1% while supporting 50K+ active users and 10K+ monthly transactions. I've also built interbank data equalization for eBILLSPAY, a microservice connecting WorkoutWeb to CONCRETE5, and an AI Risk Assessment Platform for AI & Partners.

I work across Laravel, Node.js, React, Vue.js, Python, SQL, cloud infrastructure, and ledger-based architectures to deliver resilient SaaS and FinTech products.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Exrx

Jan 2025 - Present (1 year 7 months)

Built a subscription platform for weight lifters and owned webmaster duties, improving page load speed by 50%. Built a microservice bridging the web app to a CONCRETE5 CMS platform in real time, extending the app's reachable user base to tens of thousands of existing CMS users.

Laravel React Vue.Js Next.js Python Docker Git CI CD AWS GCP Azure Linux REST APIs Webhooks Microservices

Current

Software Engineer (Technical Lead)

Current

AI & Partners

Jan 2024 - Present (2 years 7 months)

Led build of an AI Risk Assessment Platform comparing company AI usage against EU AI Act regulations, including the survey system and ratings API. Built OAuth-based connections to AWS, Azure, and GCP AI models to fetch usage data feeding the ratings engine, covering all our subscriber base.

Laravel React Vue.Js Next.js Python AWS Azure GCP OAuth REST APIs Microservices

Current

Software Engineer

Current

Bex-IT Group

Jan 2022 - Present (4 years 7 months)

Designed and led the full payment flow and reconciliation system for Google Play Billing and Apple In-App Purchase APIs, achieving 100% subscription-state accuracy and cutting payment-related support tickets by 90%. Built the real-time chat system for BEEZLINQ, a loan-moderation system for SAVINGSBOX, and rewrote search/filter SQL queries for KORNER, improving search speed by ~400%.

Software Engineer

EF-Network

Dec 2020 - Mar 2022 (1 year 3 months)

Contributed to EF-WASTEPAY, a subscription-based waste-collection platform serving 10,000 subscribers. Built EF-CONTACT, a subscription-based digital classifieds platform.

Laravel React Vue.Js Next.js Python PostgreSQL MySQL MongoDB Redis Firebase Supabase Eloquent ORM Prisma Django Flask Docker Git CI CD AWS GCP Azure Linux PayPal REST APIs OAuth Webhooks Microservices

Software Engineer

Upperlink Ltd

May 2018 - Dec 2019 (1 year 7 months)

Built the data equalization system for eBILLSPAY (NIBSS's interbank platform, mandated across all Nigerian banks, used by vendors like DSTV and Lumos moving billions of naira monthly). Contributed to BIOCHOICE, a biometrics-based identity solution.