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flopin

Abbas B.

@flopin

Ruby on Rails Backend and AI Automation Developer

Pakistan
Urdu, English
About me
Ruby on Rails backend developer specializing in REST APIs, CRM systems and AI automation. I work on production applications using Rails, PostgreSQL, Redis/Sidekiq, WebSockets, JWT, OpenAI, Twilio, n8n, WhatsApp Business and Meta integrations. My experience includes working on a Rails platform spanning 370+ API routes and building an AI voice-calling platform with 180+ REST endpoints, real-time conversations, recording, transcription and automation. I focus on reliable backend architecture, clean integrations and production-ready delivery.... Read more

Skills

f
flopin
Abbas B.
Offline • 
Average response time: 1 hour

See my services

API & Integrations
I will develop ruby on rails rest API backend and integrations
From$15 / projectMore details

Portfolio

Work experience

Software Engineer

PrimeFinder Real Estate • Freelance

Jun 2026 - Present • 3 mos

Built and deployed a real estate website and CRM ecosystem covering property management, lead capture and operational workflows. Integrated website forms, Meta lead sources, WhatsApp Business communication, automated email workflows and AI-assisted property enquiries into a centralized system.

Full-Stack Developer

zulferon • Self-employed

Dec 2025 - Present • 9 mos

Develop and deploy production software with a primary focus on Ruby on Rails backend development, REST APIs, third-party integrations and AI automation. Work includes authentication, background processing, WebSockets, OpenAI and Twilio integrations, AI voice workflows and production deployment.

Probiz_Business Consultant LLC

Freelance Full-Stack Developer

Probiz Business Consultant LLC • Freelance

Nov 2025 - Feb 2026 • 3 mos

Designed and delivered a custom Ruby on Rails CRM for business operations. Built 125+ API paths supporting lead and client workflows, authentication, role-based access control, permissions and operational processes.