You will get a robust n8n automation workflow with custom API integrations
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Project details
Stop relying on fragile Zaps. Build automations that scale.
Most "no-code" automations break the moment data formats change or an API times out. As a Senior Full-Stack Developer, I don't just drag-and-drop nodes; I write Custom JavaScript Functions inside n8n to ensure your workflows are bulletproof.
Why choose me over a generic automation expert?
I Speak Code: If n8n doesn't have a native node for your app, I will write a custom HTTP Request or JavaScript function to connect it anyway.
Error Handling: I build "Self-Healing" workflows. If an API fails, my system retries automatically or alerts you via Slack/Email instead of silently crashing.
Cost Efficiency: I optimize workflows to run efficiently on self-hosted n8n instances.
Common Use Cases I Build:
AI Agents: Connect OpenAI/Claude to your email or Slack to answer customer queries automatically (RAG).
CRM Sync: Two-way sync between HubSpot, Salesforce, and your Database (Postgres/MySQL).
Content Pipelines: Scrape data -> Summarize with AI -> Post to Social Media.
What you get:
The JSON workflow file (yours to keep forever).
Setup on your n8n instance (Cloud or Self-Hosted).
Most "no-code" automations break the moment data formats change or an API times out. As a Senior Full-Stack Developer, I don't just drag-and-drop nodes; I write Custom JavaScript Functions inside n8n to ensure your workflows are bulletproof.
Why choose me over a generic automation expert?
I Speak Code: If n8n doesn't have a native node for your app, I will write a custom HTTP Request or JavaScript function to connect it anyway.
Error Handling: I build "Self-Healing" workflows. If an API fails, my system retries automatically or alerts you via Slack/Email instead of silently crashing.
Cost Efficiency: I optimize workflows to run efficiently on self-hosted n8n instances.
Common Use Cases I Build:
AI Agents: Connect OpenAI/Claude to your email or Slack to answer customer queries automatically (RAG).
CRM Sync: Two-way sync between HubSpot, Salesforce, and your Database (Postgres/MySQL).
Content Pipelines: Scrape data -> Summarize with AI -> Post to Social Media.
What you get:
The JSON workflow file (yours to keep forever).
Setup on your n8n instance (Cloud or Self-Hosted).
Programming Languages
JavaScript, TypeScriptCoding Expertise
Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$250
|
Standard
$750
|
Advanced
$1,500
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages Mined/Scraped | 10 | 10 | 10 |
Number of Sources Mined/Scraped | 10 | 10 | 10 |
Install Script | |||
Test Script | |||
Task Automation |
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Raquel O.
Jun 15, 2026
Simple Interactive Web Tool (Single Page)
I've worked with many freelancers over the years, and I can honestly say there is no one quite like Abdur. From the start, we hit it off, and what began as a simple project quickly turned into one of the most enjoyable and productive working relationships I've ever had. Not only did he consistently deliver excellent work, but he repeatedly went above and beyond, even taking the initiative to learn new skills to help bring my ideas to life. What could have easily taken me months through multiple freelancers, endless back and forth, and countless revisions was completed in record time with Abdur. He consistently stayed ahead of challenges, solved problems before they became problems, and handled variables I didn't even know I needed, saving me an incredible amount of time, stress, and headaches along the way. While I am thrilled with how successfully this project turned out, I'm genuinely sad to be ending the contract. I'm incredibly grateful for everything he's done and if you're considering working with Abdur, my advice is simple: do it. Finding someone this capable, proactive, and genuinely invested in your success is incredibly rare. While this contract may be coming to an end, I have no doubt we'll be working together again. I consider him officially part of the team now as my partner, because when you find someone like Abdur Rehman, you don't let them go—and I certainly won't.
OH
Omar H.
Apr 28, 2026
Development of a small app/site integrated with chat gpt
PM
Philip M.
Feb 24, 2026
MVP Pilot: Build a Simple "AI Medical Scribe" Prototype (React + OpenAI)
An exceptional developer and an absolute professional, He is incredibly proactive, catches edge cases most developers miss, and genuinely cares about the success of the business he is building for. Highly recommend to any founder looking for a reliable, senior-level developer
FG
Farhan G.
Feb 9, 2026
Temporary Landing Page Development for Email Waitlist
Very quick delivery with no delays at all. Will be back for developments
OA
Omar A.
Jan 26, 2026
Export lovable project to use without lovable
Abdur always replied very fast with clear and detailed answers, which was the most important part for me.
He commits only to an agreement and to deadlines if he's really 100% sure that he can match the expectations. Both points been the most important next to his Skills.
He commits only to an agreement and to deadlines if he's really 100% sure that he can match the expectations. Both points been the most important next to his Skills.
About Abdur
Full-Stack AI SaaS Developer | React, Next.js, Node.js | MVP to Scale
100%
Job Success
Islamabad, Pakistan - 12:40 pm local time
I'm a Full-Stack AI Developer specializing in production-ready SaaS applications, AI agents, LLM integrations, and MVP development using React, Next.js, Node.js, TypeScript, and OpenAI/Claude APIs. Clients choose me when they need a strategic technical partner, not just a coder.
⭐⭐⭐⭐⭐ "He has unfortunately ruined my standards for every other developer."
⭐⭐⭐⭐⭐ "An exceptional developer... he took full ownership, highlighted crucial gaps, and provided insightful, actionable advice."
⭐⭐⭐⭐⭐ "Very quick delivery with no delays at all."
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🧠 𝗔𝗜 & 𝗟𝗟𝗠 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 (Production-Ready)
→ AI Agents & Chatbots — Claude, OpenAI, function calling, structured outputs
→ LLM Integrations — OpenAI API, Claude API, OpenRouter, Perplexity, Gemini
→ AI Workflow Automation — n8n, custom pipelines, API-driven automations
→ Production AI Architecture — Error handling, retries, rate limiting, observability
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⚡ 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄
I integrate Cursor, Claude Code with MCP, and GitHub Copilot into every project, delivering 40% faster than traditional development while maintaining production-grade quality.
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⚙️ 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗦𝗮𝗮𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, TypeScript, Tailwind CSS, Shadcn
𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Express, Fastify, NestJS, Redis
𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: PostgreSQL, Supabase, MongoDB, Firebase
𝗔𝘂𝘁𝗵: Clerk, NextAuth, Custom JWT, RBAC
𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀: Stripe subscriptions & billing
𝗗𝗲𝗽𝗹𝗼𝘆: Docker, AWS, Vercel, Railway, Coolify
𝗔𝗜/𝗠𝗟: OpenAI API, Claude API, LangChain, Pinecone
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🏗️ 𝗡𝗼𝘁𝗮𝗯𝗹𝗲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀
→ CoChart AI — AI Medical Scribe (HIPAA, SOC2 Compliant)
→ Enterprise ERP-to-ERP Data Transformation SaaS
→ AI-Powered Personalized Email Tool — GPT-4 + n8n
→ ESG Reporting Platform — React, Node.js, AI Agents
→ Multi-tenant SaaS platforms handling 1000+ concurrent users
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✅ 𝗪𝗲𝗹𝗹-𝗦𝘂𝗶𝘁𝗲𝗱 𝗙𝗼𝗿
→ SaaS MVPs & production platforms
→ AI agents, chatbots & LLM-powered tools
→ Internal tools & admin dashboards
→ AI workflow automation (n8n, custom)
→ Multi-tenant SaaS architectures
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💡 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲
✔ Strategic Partner — I identify gaps and focus on long-term success
✔ Production-First — Clean code, proper error handling, scalable architecture
✔ Fast Iteration — MVPs in 2-4 weeks using AI-assisted workflows
✔ Clear Communication — Full ownership from planning to deployment
✔ 100% Reliable — Every project on time, every client satisfied
𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀: Healthcare/HIPAA, FinTech, SaaS, AI Automation, E-commerce
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AI Developer, Full Stack AI Developer, AI SaaS Developer, AI Agent Developer, LLM Integration, React Developer, Next.js Developer, Node.js Developer, SaaS Developer, MVP Developer, OpenAI API, Claude API, MCP Developer, n8n Automation, Stripe Integration, Supabase, PostgreSQL, AI Chatbot Developer, Multi-Tenant SaaS, HIPAA Compliant Developer
Steps for completing your project
After purchasing the project, send requirements so Abdur can start the project.
Delivery time starts when Abdur receives requirements from you.
Abdur works on your project following the steps below.
Revisions may occur after the delivery date.
Logic Mapping & API Analysis
I review your requirements and map out the entire automation flow.. If native integrations don't exist, I plan the custom HTTP requests or JavaScript nodes required to bridge the gap.
Workflow Construction & Error Handling
I build the workflow in n8n, connecting your apps (e.g., Airtable, Slack, CRM). Unlike basic setups, I implement "Error Handling" routes.