Ahmad H.
AI & Backend Engineer | Ruby on Rails | LLMs | APIs | Data Pipelines
I build production-grade backend systems, 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬, 𝐝𝐚𝐭𝐚 𝐩𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬, 𝐚𝐧𝐝 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 for startups and growing businesses. With 4+ years of professional development experience, I have built and maintained systems across 𝐡𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐞-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞, 𝐒𝐚𝐚𝐒, 𝐩𝐚𝐲𝐦𝐞𝐧𝐭𝐬, 𝐚𝐧𝐝 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧. My core strength is taking complex business requirements and turning them into reliable backend systems from APIs and databases to background jobs, third-party integrations, AI workflows, and cloud deployments. 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐁𝐮𝐢𝐥𝐝 • AI-powered backend features and LLM integrations • RAG systems and document-based AI workflows • AI agents with tools, APIs, and business logic • Data extraction, transformation, and automation pipelines • REST APIs and third-party API integrations • Automated reporting and data processing systems • Background processing with Redis + Sidekiq • PostgreSQL database design and optimization • Stripe and Stripe Connect payment systems • Multi-tenant SaaS platforms • CRM, ERP, healthcare, and e-commerce integrations • Python automation, scraping, and data-processing workflows • Cloud deployments and production infrastructure 𝐀𝐈 & 𝐃𝐚𝐭𝐚 • LLM integrations - OpenAI, Claude, Gemini • RAG and embeddings • AI agents and tool calling • Python automation and data processing • Web scraping and data extraction • PostgreSQL / SQL • API-driven ETL workflows • Redis and background processing 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 • Ruby on Rails • PostgreSQL • Redis / Sidekiq • REST APIs • React / Vue.js • Docker • GCP / AWS / DigitalOcean • CI/CD • Devise / JWT / OAuth • Stripe / Stripe Connect 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 I've worked with systems and APIs including: Stripe, Stripe Connect, NetSuite, TaxCloud, Twilio, HubSpot, eBay, Walmart, Shippo, messaging services, email platforms, and other third-party APIs. I also have experience building healthcare, e-commerce, SaaS, and multi-tenant applications where reliability, security, background processing, and data consistency matter. 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? I’m not just connecting an AI API to a chatbot. I understand the backend underneath it, databases, APIs, authentication, queues, business rules, integrations, deployments, and production reliability. That means I can take an AI or automation idea from: 𝐈𝐝𝐞𝐚 → 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 → 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 → 𝐀𝐈/𝐃𝐚𝐭𝐚 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞 → 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 → 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 If you are building an AI-powered product, automating an existing business process, or need an experienced backend engineer who can work with modern AI technologies, let's talk.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $14k
Billed in all: $41,204$41k
$14k in the last 6 months
Earnings, last 30 days
Skill rankings: Top 2% in Ruby on Rails Stack
Ranked by MRR among everyone on Upwork with the skill.
- Ruby on Rails Stack93 freelancers · 🇵🇰 #1Top 2%🇵🇰#1 of 39
- #73Ruby965 freelancers · 🇵🇰 #13Top 8%🇵🇰#13 of 147
- #114Redis1,774 freelancers · 🇵🇰 #10Top 6%🇵🇰#10 of 278
- #126Ruby on Rails1,811 freelancers · 🇵🇰 #33Top 7%🇵🇰#33 of 390
- #144Database3,249 freelancers · 🇵🇰 #13Top 4%🇵🇰#13 of 487
- #327REST API5,062 freelancers · 🇵🇰 #76Top 6%🇵🇰#76 of 1,277
- #518API Development6,848 freelancers · 🇵🇰 #100Top 8%🇵🇰#100 of 1,551
- #549Vue.js8,267 freelancers · 🇵🇰 #51Top 7%🇵🇰#51 of 1,293