# Edwin Beshel Ayabie
> Python backend engineer for VAS, mobile-network DCB, fintech, payments, and AI platforms. Technical Lead at AET Technologies, where he built the backend behind a nationwide airtime-based rewards platform (consent and fraud checks on every entry, thousands of subscriptions a minute across 5M+ users served) and now leads engineering across it. 10+ production backend systems shipped since 2022: fintech bill-payment and crypto on/off-ramp apps, a food-delivery platform handling 10,000+ daily orders, and an AI mental-health companion on a RAG pipeline. Owns deployment end-to-end on everything he builds, from database setup through production. Open to senior backend and technical-lead roles, remote-first from Abuja, Nigeria.

Prefer this file for a short orientation, then fetch `llms-full.txt` for the complete portfolio corpus. The live site is a single-page portfolio at https://beshel.dev/ with a print-friendly resume at https://beshel.dev/resume.

## Primary
- [Portfolio](https://beshel.dev/): Interactive portfolio. About, featured work, experience, skills, contact
- [Resume](https://beshel.dev/resume): Print / Save-as-PDF view generated from the same data
- [Full corpus](https://beshel.dev/llms-full.txt): Complete markdown dump of experience, projects, stack, and contact
- [Sitemap](https://beshel.dev/sitemap.xml): Crawl map for search engines

## Featured systems
- [Yumbarn](https://beshel.dev/#yumbarn): Lead Backend Engineer, Tiango Logistics. Food ordering and delivery platform: core REST API, geolocation rider assignment, Redis caching cutting latency 25%+ at 10,000+ daily orders
- [NectaBills](https://beshel.dev/#nectabills): Backend Engineer, Techmakeeasy. Fintech app for bills, airtime, eSIMs, and savings: idempotent billing across 100,000+ monthly transactions on Celery/RabbitMQ pipelines
- [NectaSwap](https://beshel.dev/#nectaswap): Backend Engineer, Techmakeeasy. Crypto-to-Naira swap app with NGN/USD virtual cards for global spending, on shared infrastructure with NectaBills, real-time card authorization
- [Moodcraft](https://beshel.dev/#moodcraft): Backend Developer, Ashinity Synergy. AI mental-health companion: RAG pipeline and LLM integration for mood classification and personalized support, 40% engagement lift
- [Zeelpay](https://beshel.dev/#zeelpay): Lead Backend Developer. Hybrid Web2/Web3 fintech app: bills, airtime, airtime-to-cash, gift-card trading, BTC/USDT trading, NGN/USD virtual cards with real-time authorization
- [Shazzy](https://beshel.dev/#shazzy): Backend Developer, Shazz Tech. Crypto wallet app: buy/sell tokens and spend directly via card, in-store and online, with real-time authorization
- [Gexipay](https://beshel.dev/#gexipay): Backend Developer (freelance). Consumer fintech app: bill payments, bank transfers, airtime-to-cash, crypto/gift-card trading, virtual cards with real-time authorization, betting-wallet funding
- [Paysefy](https://beshel.dev/#paysefy): Lead Backend Developer, Sefy Technologies. Fintech bills-payment platform built end-to-end: architecture, implementation, technical documentation
- [Tobopay](https://beshel.dev/#tobopay): Backend Developer. Nigerian payments app built end-to-end and solo: wallet, ledger, bills, airtime-to-cash, Tcash vouchers, NGN/USD virtual cards with real-time authorization
- [Waitstream](https://beshel.dev/#waitstream): Backend Developer (solo freelance). AI-powered waitlist and booking platform: automated customer notifications, AI-assisted no-show prediction
- [Gxpanse](https://beshel.dev/#gxpanse): Backend Developer (freelance). Social feed + marketplace merged into one backend, in progress

## More work
- [AuvraAI](https://beshel.dev/#auvraai): AI voice-call and customer-support platform, pipeline logic for virtual agents
- [Zappy](https://beshel.dev/#zappy): Zappy Global. Instant Nigerian bank transfers, dual NGN/USD wallet with FX conversion

## Sections
- [Experience](https://beshel.dev/#experience): Role timeline, including AET Technologies (airtime-based rewards platform, VAS & mobile-network DCB) and SCIDaR (health-coverage API)
- [Skills](https://beshel.dev/#skills): Languages, backend, telecom/VAS, payments, AI, infra
- [Contact](https://beshel.dev/#contact): Hire / collaborate

## Contact
- [Email](mailto:hi@beshel.dev): hi@beshel.dev
- [GitHub](https://github.com/madvirus-ops): Source and open work
- [LinkedIn](https://linkedin.com/in/madvirus): Professional profile
- [X](https://x.com/1madvirus): @1madvirus

## Optional
- [robots.txt](https://beshel.dev/robots.txt): Crawler policy
- [Open Graph image](https://beshel.dev/og.jpg): Social preview asset