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Abraham Folorunso

@abrahamfolorunso

Full-Stack Engineer at Upwork building backend APIs, automation, and a RAG agent for Nigerian procurement reviews.

At Upwork, I delivered 30+ projects in Python scraping, browser automation, backend APIs, and n8n automation, with a 100% Job Success Score and Top Rated status. I handled projects end to end, from requirements and development through cloud deployment, monitoring, and support.

I built Cribra, a RAG agent that checks scanned procurement submissions against Nigerian procurement requirements and flags each as Compliant, Non-Compliant, or Needs Review. Its deterministic rule engine handles hard checks, while a temperature-0 LLM path evaluates evidence against procurement officer reviews.

At RavenLabs NG, I built Python and Go services for airtime and data top-ups and SMS/USSD products, integrating Nigerian carrier APIs. At Trecco, I built a digital banking platform for farmers, including customer interfaces and admin dashboards.

Experience

Work history, roles, and key accomplishments

Current

Freelance Backend & Full-Stack Developer

Current

Upwork

Jan 2023 - Present (3 years 9 months)

Delivered 30+ projects with a 100% Job Success Score and Top Rated status in Python scraping, browser automation, backend APIs, and n8n automation. Owned each project end to end, including requirements, build, AWS/GCP deployment, monitoring, and support.

Python Web Scraping Browser Automation Backend APIs N8n AWS GCP Deployment Monitoring

Full-Stack Engineer

Futurework Technologies

Jan 2026 - Jun 2026 (5 months)

Shipped a booking platform for managed homes, building the pricing and availability backend and booking flows. Scraped 50,000+ property listings from multiple sites into structured data and automated owner outreach.

Fullstack Development Web Scraping Automation Backend Development booking systems

Full-Stack Engineer

RavenLabs NG

Jun 2025 - Dec 2025 (6 months)

Built Python and Go services for airtime/data top-ups and SMS/USSD products, integrating Nigerian carrier APIs (MTN, Airtel, Glo) and handling delivery status and webhooks under sustained load. Designed and documented REST APIs for web and mobile clients, working directly with frontend developers.

Python Go REST APIs Webhooks Carrier API Integration and Insurance Connectivity SMS USSD API Design Documentation

Full-Stack Engineer

Trecco

Feb 2024 - May 2025 (1 year 3 months)

Built a digital banking platform for farmers covering onboarding, account management, and transaction processing. Built customer web interfaces and admin dashboards with authentication, role-based access control, and audit trails.

Fullstack Development Digital Banking Authentication Role Based Access Control Audit Trails Web Development