You will get AI voice agent | inbound and outbound calls | Vapi, Retell, n8n
Rising Talent
Project details
Most voice agents lose context mid-call and fail to sync with your CRM or calendar. I build production voice AI systems that handle real calls, book appointments, qualify leads and push data automatically.
→ What I build:
✓ Inbound voice agents that answer calls, qualify leads and route to humans when needed
✓ Outbound agents that prospect, follow up and nurture leads using Vapi or Retell
✓ Booking agents integrated with Google Calendar, Calendly and CRM platforms
✓ CRM automation with HubSpot, Pipedrive and Salesforce - summaries, updates and pipeline triggers post-call
✓ n8n workflows connecting voice events to email sequences, Slack alerts and database logging
✓ LangChain and LangGraph logic for complex conversation flows, memory and conditional routing
✓ ElevenLabs TTS for natural, branded voice personas with low latency
→ Stack: Vapi, Retell, ElevenLabs, Whisper, GPT-4o, LangChain, LangGraph, n8n, Twilio, FastAPI, PostgreSQL, CRMs
→ Why me:
✓ Full-stack from voice pipeline to CRM and deployment
✓ Production systems only, tested, documented, deployable
✓ Free consultation and live demo before you commit
Message me before ordering.
→ What I build:
✓ Inbound voice agents that answer calls, qualify leads and route to humans when needed
✓ Outbound agents that prospect, follow up and nurture leads using Vapi or Retell
✓ Booking agents integrated with Google Calendar, Calendly and CRM platforms
✓ CRM automation with HubSpot, Pipedrive and Salesforce - summaries, updates and pipeline triggers post-call
✓ n8n workflows connecting voice events to email sequences, Slack alerts and database logging
✓ LangChain and LangGraph logic for complex conversation flows, memory and conditional routing
✓ ElevenLabs TTS for natural, branded voice personas with low latency
→ Stack: Vapi, Retell, ElevenLabs, Whisper, GPT-4o, LangChain, LangGraph, n8n, Twilio, FastAPI, PostgreSQL, CRMs
→ Why me:
✓ Full-stack from voice pipeline to CRM and deployment
✓ Production systems only, tested, documented, deployable
✓ Free consultation and live demo before you commit
Message me before ordering.
AI Algorithms
Large Language Model, Transformer ModelAI Applications
AI Chatbot, AI Mobile App Development, AI Text-to-Speech, AIOps, Conversational AIAI Development Language
PythonAI Models
GPT-4, GPT-Neo, OpenAI Codex, WhisperWhat's included
| Service Tiers |
Starter
$700
|
Standard
$2,000
|
Advanced
$5,000
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 20 days |
Number of Revisions | 5 | 10 | 14 |
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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MM
M M.
Jun 28, 2025
AI Agent Developer (LangChain + GPT-4o) for Structured Farm Data Parsing
Sajjad delivered exceptional work on our first PDF extractor agent by completing the entire build in just 10 days. He fully understood the scope, the technical nature of the project, and the larger vision of what FarmdOut is building. He is professional, kind, and thoughtful, and he communicates clearly and consistently.
After the initial agent was complete, we realized we needed something more autonomous. Though it represented a shift in direction, Sajjad took it on graciously and turned around an enhanced, autonomous version within just a few days. We compensated him for the added scope, but his responsiveness and ability to adapt so quickly were key.
I would absolutely hire Sajjad again and recommend him for any project involving autonomous agents, LangGraph, GPT-4o, agentic workflows, or scalable AI pipelines. His ability to work with evolving specifications while delivering clean, production-ready code makes him a standout contributor on any team.
After the initial agent was complete, we realized we needed something more autonomous. Though it represented a shift in direction, Sajjad took it on graciously and turned around an enhanced, autonomous version within just a few days. We compensated him for the added scope, but his responsiveness and ability to adapt so quickly were key.
I would absolutely hire Sajjad again and recommend him for any project involving autonomous agents, LangGraph, GPT-4o, agentic workflows, or scalable AI pipelines. His ability to work with evolving specifications while delivering clean, production-ready code makes him a standout contributor on any team.
JH
James H.
Jun 14, 2025
Upgrade data connection
Pretty good work and really good communication.
JH
James H.
Jun 9, 2025
Upgrade data connection
JH
James H.
Jun 2, 2025
Ai food data
About Sajjad
AI Agents / RAG / LangChain / Claude / Python / AI MVPs / AI Developer
100%
Job Success
Islamabad, Pakistan - 1:56 am local time
👉🏽 100% Project Completion, Scope-Locked & Milestone-Based Delivery
𝗔𝗜 𝗔𝗴𝗲𝗻𝘁 & 𝗥𝗔𝗚 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
Profound knowledge in AI Agents, Retrieval Augmented Generation (RAG), and Large Language Models. My stack includes Claude (Anthropic), GPT-4o/GPT-5, LangChain, LangGraph, CrewAI, AutoGen, and custom multi-agent architectures. I tune RAG pipelines to your exact document type using pgvector, Pinecone, Qdrant, and advanced reranking. No generic chunking, ever.
𝗔𝗜 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗩𝗼𝗶𝗰𝗲 𝗔𝗜
End-to-end AI automation using n8n, Make, and custom Python workflows. This covers CRM sync, lead scoring, WhatsApp sequences, and AI-generated reporting. Voice AI systems on Vapi, Retell, Bland AI, and Twilio with sub-700ms latency, calendar booking, and fully managed telephony provisioning.
𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗔𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
I build complete, production-grade AI SaaS and MVPs using Python, FastAPI, Next.js, Supabase, PostgreSQL, Docker, and CI/CD. Multi-tenant isolation, JWT auth, Redis queues, Stripe billing. Everything an AI product needs to go live and scale.
𝗢𝗽𝗲𝗻𝗖𝗹𝗮𝘄, 𝗖𝗹𝗮𝘄𝗱𝗯𝗼𝘁 & 𝗠𝗼𝗹𝘁𝗯𝗼𝘁 𝗘𝘅𝗽𝗲𝗿𝘁
Custom agent deployments on self-hosted VPS with webhook integrations, agent skills, guardrails, and deep MCP server development. I integrate these bots directly into your existing workflows, CRMs, and internal tools.
𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 𝗜𝗻𝘁𝗼 𝗘𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗦𝘆𝘀𝘁𝗲𝗺𝘀
Specialized in embedding AI agents, RAG, voice, and automation into your current stack. Python API integrations (REST, SOAP), legacy system augmentation, custom connectors, and workflow automation that fits your business, not the other way around.
𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱
👉🏽 Claude & GPT-4o AI Agents with explicit state management (LangGraph) for NL2SQL, compliance workflows, document extraction, and multi-step automation
👉🏽 RAG Pipelines grounded on your data using pgvector, Pinecone, Qdrant, re-ranking, and hybrid search
👉🏽 Voice AI Systems for inbound and outbound calling, Vapi, Retell, Twilio, and real-time audio APIs
👉🏽 Multi-Tenant AI SaaS Platforms built with FastAPI, Supabase, Next.js, RLS isolation, and subscription billing
👉🏽 n8n AI Automations to replace manual ops, connect CRMs, trigger AI reporting, and run WhatsApp sequences
👉🏽 AI Integration Into Existing CRMs, ERPs, and Databases (Python API, custom connectors, legacy system bridging)
👉🏽 OpenClaw, Clawdbot, Moltbot Agent Setups on VPS with webhooks, skills, and full conversational guardrails
👉🏽 MCP & Claude-based Agent Skills including Model Context Protocol servers, tool calling, and secure execution
👉🏽 MLOps & Infrastructure with Docker, CI/CD, LangSmith tracing, RunPod, async queues, and self-hosted VPS
𝗦𝗵𝗶𝗽𝗽𝗲𝗱 𝗪𝗼𝗿𝗸 𝗜𝗻𝗰𝗹𝘂𝗱𝗲𝘀
✅ ATO-compliant R&D tax report generator (LangGraph + GPT-4o)
✅ UK construction RAG platform (pgvector, re-ranking, grounded retrieval)
✅ White-label multi-tenant voice AI SaaS (Vapi, Twilio, FastAPI)
✅ Government document redaction system
✅ AI-powered lead qualification & booking agent
𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸
I scope, lock milestones, and define costs before a single line of code is written. You work directly with the engineer building your system, no handoffs and no black boxes.
👉🏽 𝗚𝗼𝘁 𝗮𝗻 𝗶𝗱𝗲𝗮? 𝗕𝗼𝗼𝗸 𝗮 𝗳𝗿𝗲𝗲 𝟮𝟱-𝗺𝗶𝗻𝘂𝘁𝗲 𝗴𝗿𝗼𝘄𝘁𝗵 𝗰𝗮𝗹𝗹 𝘁𝗼 𝘃𝗮𝗹𝗶𝗱𝗮𝘁𝗲 𝘆𝗼𝘂𝗿 𝗰𝗼𝗻𝗰𝗲𝗽𝘁 𝗮𝗻𝗱 𝘀𝗲𝗲 𝗲𝘅𝗮𝗰𝘁𝗹𝘆 𝘄𝗵𝘆 𝗜'𝗺 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱 𝗶𝘁. 𝗟𝗲𝘁'𝘀 𝘀𝗰𝗼𝗽𝗲 𝗶𝘁, 𝗻𝗼 𝘀𝘁𝗿𝗶𝗻𝗴𝘀 𝗮𝘁𝘁𝗮𝗰𝗵𝗲𝗱.
Steps for completing your project
After purchasing the project, send requirements so Sajjad can start the project.
Delivery time starts when Sajjad receives requirements from you.
Sajjad works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Review & Call Flow Architecture
Analyze use case, define inbound or outbound call flow, conversation states, escalation logic, CRM trigger points and n8n automation map before any build begins.
Voice Agent Setup on Vapi or Retell
Configure assistant, attach OpenAI GPT-4o as LLM, set up ElevenLabs voice persona, define system prompt, tool definitions, interruption handling and end-call conditions.