You will get LangChain AI Agent | Custom Agents with Langchain & Multi-Step Workflows
Top Rated
Project details
Looking to automate complex business workflows using AI? I build LangChain agents that handle the thinking, decision-making, and execution so your team can focus on what actually matters.
What I typically build for clients includes custom LangChain agents with multi-step reasoning; tool and API integration across REST APIs, databases, and SaaS platforms; research automation; lead qualification systems; customer support bots with long-term memory; and sales automation with CRM integration. Every system includes proper error handling, retries, and fallback logic so it holds up in production.
Industries I've Helped:
E-commerce | SaaS | Real Estate | Healthcare | Marketing Agencies
Whether you need a RAG pipeline, an autonomous AI agent, or a multi-agent system, I deliver clean, scalable, and reliable solutions.
Let's discuss your project and build something powerful.
What I typically build for clients includes custom LangChain agents with multi-step reasoning; tool and API integration across REST APIs, databases, and SaaS platforms; research automation; lead qualification systems; customer support bots with long-term memory; and sales automation with CRM integration. Every system includes proper error handling, retries, and fallback logic so it holds up in production.
Industries I've Helped:
E-commerce | SaaS | Real Estate | Healthcare | Marketing Agencies
Whether you need a RAG pipeline, an autonomous AI agent, or a multi-agent system, I deliver clean, scalable, and reliable solutions.
Let's discuss your project and build something powerful.
AI Algorithms
Large Language Model, Recurrent Neural NetworkAI Applications
AI Chatbot, AI Text-to-Speech, Automatic Speech Recognition, Conversational AI, Natural Language Understanding, Speech Synthesis, Text RecognitionAI Development Language
PythonAI Models
GPT-3, GPT-4, GPT-J, GPT-NeoWhat's included
| Service Tiers |
Starter
$500
|
Standard
$1,200
|
Advanced
$2,000
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 15 days |
AI Model Integration | - | ||
Batch Normalization | - | - | - |
Database Integration | |||
Detailed Code Comments | - | - | - |
Image Upscaling | - | - | - |
MLOps | |||
Model Deployment | |||
Model Documentation | - | ||
Model Monitoring | - | ||
Model Testing & Optimization | - | ||
Model Tuning | - | ||
Natural Language Processing | |||
NLP Tokenization | - | - | |
Pre-Training | - | - | |
Prompt Engineering | - | - | |
Setup File | - | - | |
Source Code | - | - |
Frequently asked questions
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AP
Asset P.
Jun 1, 2026
AI Finance SAAS Platform fixes + Plaid Integration
Junaid is a brilliant developer. He tackled our 'AI Finance SAAS Platform fixes + Plaid Integration' seamlessly. His understanding of complex financial software and his willingness to go above and beyond—including working off-hours—make him an invaluable partner. He will be my go-to for all development needs.
MW
Michael W.
Apr 3, 2026
Transform Replit Project into a Functional SaaS
Excellent Collaboration with Junaid - turned a Replit prototype into a functional app that is ready for commercialisation
RK
Rahman K.
Sep 3, 2025
Create Online Stress Analysis Web application (MVP)
Highly recommended, amazing team of professionals who always think with you and get the job done. I will definitly hire them again for bigger developing projects.
BB
Bryan B.
Aug 7, 2025
AI Integration Specialist for Custom CMS (OpenAI/GrokAI)
RG
Russell G.
Jan 15, 2025
7 Triggers App Phase 3
Junaid and his team are like a crown of fine gems that sparkle with intelligent brilliance and creativity. I really cannot say enough about how resourceful, industrious, productive, and genuine they are to work with. Junaid in particular seems to anticipate our needs, offering options and solutions to things before we are even full aware of them ourselves. A true business partner who cares as much about our own quality and success as he does about his own.
About JUNAID
AI Full Stack Developer | SaaS, MVP, Voice AI, LLM, RAG, Next.js, Node
100%
Job Success
Lahore, Pakistan - 8:14 pm local time
𝗠𝗼𝘀𝘁 𝗔𝗜 "𝗽𝗿𝗼𝘁𝗼𝘁𝘆𝗽𝗲𝘀" 𝗻𝗲𝘃𝗲𝗿 𝗺𝗮𝗸𝗲 𝗶𝘁 𝘁𝗼 𝗹𝗮𝘂𝗻𝗰𝗵. 𝗜 𝗯𝘂𝗶𝗹𝗱 𝘁𝗵𝗲 𝗼𝗻𝗲𝘀 𝘁𝗵𝗮𝘁 𝗱𝗼.
𝐈'𝐦 𝐚 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝗔𝗜 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗮𝗮𝗦 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗜 𝗯𝗿𝗶𝗱𝗴𝗲 𝘁𝗵𝗮𝘁 𝗴𝗮𝗽. I take what you've already built, a Replit demo, a rough MVP, a half-finished app, and turn it into a production-ready SaaS with clean architecture, AI integrations, and the reliability that real users demand. Not demos. Not proofs of concept. Systems that you can actually sell, scale, and be proud of.
𝐖𝐡𝐚𝐭 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐬𝐚𝐲: "Turned a Replit prototype into a functional app ready for commercialisation" / "Goes beyond expectations every time" / "Incredibly resourceful, industrious, and genuine."
𝗔𝗜 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗦𝗮𝗮𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
✔ Frontend: Next.js, React, TypeScript, Tailwind, Shadcn
✔ Backend: FastAPI, Django, NestJS, Node.js, Express
✔ Databases: PostgreSQL, MongoDB, Redis, Firebase
✔ APIs: Stripe, OAuth, REST, GraphQL, Webhooks
𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 & 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁
✔ AWS (EC2, S3, RDS, Lambda), Docker, CI/CD
✔ Performance optimisation, security hardening, cost reduction
𝗔𝗜 & 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝘁 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻
✔ LLM integrations with OpenAI, Claude, LangChain, RAG pipelines
✔ AI voice agents using Vapi, Retell AI, Twilio
✔ Custom AI tools, chatbots, embedding-based search
✔ Vibe coding tools: Cursor, Bolt.new, Lovable, Replit, v0
𝗪𝗵𝘆 𝗙𝗼𝘂𝗻𝗱𝗲𝗿𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲
✔ Top Rated with 100% Job Success and all 5-star reviews
✔ I think with you about the product, not just the code
✔ Clear communicator, fast responder, accountable for outcomes
✔ Delivered across SaaS, AI, FinTech, HealthTech, and eCommerce
𝗜 𝘄𝗼𝗿𝗸 𝗯𝗲𝘀𝘁 𝘄𝗶𝘁𝗵 founders who have a prototype that needs to become a real product, SaaS teams adding AI without breaking what's already working, and businesses that tried another developer and need it done right this time.
If you're ready to build something that lasts, hit Invite or Message and tell me where you're starting from. I'll tell you exactly how I'd approach it.
𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Top Rated Full Stack Developer, MVP Developer, SaaS Developer, AI Developer, Next.js Developer, FastAPI Developer, Python Developer, React Developer, Node.js Developer, LLM Integration, RAG Pipeline, Voice AI, Vapi Developer, Twilio Developer, OpenAI Integration, Prototype to Production, Startup Developer, AI SaaS, TypeScript Developer, Stripe Integration, LangChain Developer
Steps for completing your project
After purchasing the project, send requirements so JUNAID can start the project.
Delivery time starts when JUNAID receives requirements from you.
JUNAID works on your project following the steps below.
Revisions may occur after the delivery date.
Tool Identification & Mapping - Requirement
We map all APIs, databases, and external services. Define tool capabilities.
Agent Architecture Design
We design multi-step reasoning: thinking → tool selection → execution → analysis.