Available for projects

Hi, I'm Junaid Afzal

Senior Machine Learning Engineer with 7+ years building production-grade AI systems — from end-to-end LLM applications and agentic workflows to secure, scalable deployments on cloud platforms.

7+
Years Experience
20+
AI Projects
14
Certifications
8K+
Followers

Passion meets precision.

I'm a Senior Machine Learning Engineer with 7+ years of hands-on experience building production-grade intelligent systems. I specialize in end-to-end LLM applications — including RAG pipelines, agentic workflows, prompt engineering, and optimization — deploying them at scale using modern frameworks and cloud platforms.

From Generative AI (DALL-E, Stable Diffusion, Midjourney) to multi-agent orchestration with LangChain/LangGraph, I build systems that move from prototype to production. I've brought AI-driven innovations to life across sales, marketing, fashion, entertainment, education, finance, and security, and I'm deeply committed to AI safety, LLM security, and responsible AI practices.

Generative AI LLMs & Agentic AI Computer Vision MLOps / LLMOps RAG Pipelines AI Safety & Security Guardrails

Where I've worked.

Founding Machine Learning Engineer
Kodezi — Remote (US)
Jul 2022 — Jan 2024
1 yr 7 mos
  • Created POCs that helped raise $40,000 in Angel Investment and $800,000 in Pre-Seed Round
  • Serverlessly deployed production-grade LLM pipelines with fine-tuned open-source and closed-source models
  • Designed end-to-end RAG architectures and agentic workflows for AI-powered code automation
  • Managed a distributed team across 4 countries, communicating directly with clients and stakeholders
Machine Learning Engineer
Ekkel AI — Lahore
Jul 2022 — Jan 2024
1 yr 7 mos
  • Built AI models from scratch and translated results into actionable insights for product managers and stakeholders
  • Architected scalable data ingestion and transformation infrastructure
  • Developed production APIs with guardrails and handled end-to-end AI deployment
Python Developer
ArhamSoft (Pvt) Ltd — Lahore
Oct 2021 — Jul 2022
10 mos
  • Established ML workflows for training, testing, and deploying object detection models to production
  • Developed model-serving APIs and maintained codebase quality standards
Machine Learning Engineer
Freelance — Remote (Fiverr & Direct)
Feb 2018 — Present
7+ yrs
  • Delivered production-grade AI solutions globally across sales, marketing, finance, education, and security
  • Built end-to-end LLM applications including RAG pipelines, chatbots, agentic systems, and generative AI products
  • Direct client communication and full project lifecycle management — from prototype to scalable deployment

Key highlights.

$

Raised $840K via AI POCs

Created proof-of-concept AI systems at Kodezi that directly contributed to raising $40K in Angel Investment and $800K in Pre-Seed funding.

🛡

LLM Security & Supply Chain Hardening

Implemented OWASP LLM Top 10 defenses in production systems — prompt injection prevention, model provenance verification, and AI supply chain security to prevent trojanized model attacks.

Production-Grade Agentic Systems

Designed and deployed multi-agent AI workflows with LangChain/LangGraph — including tool orchestration, memory management, guardrails, and MCP integration for enterprise clients.

Scalable RAG Pipelines

Architected secure RAG systems with vector databases (Pinecone, FAISS), embedding optimization, and retrieval guardrails — reducing hallucinations and ensuring data integrity in production.

🌐

Global Distributed Team Leadership

Managed cross-functional teams across 4 countries, delivering AI products with direct client communication and end-to-end project lifecycle management.

📊

20+ AI Products Shipped

Delivered 20+ production AI products across LLMs, generative AI, computer vision, and NLP — spanning industries from fintech and healthcare to marketing and education.

My toolkit.

AI AI & Machine Learning

Generative AIMachine LearningDeep Learning LLMsAI AgentsLangChainLangGraph Fine-tuningPrompt EngineeringTransformers RAG PipelinesAgentic AIMCP

Gen Generative AI

GPT-4o / ChatGPTClaudeLlama Stable DiffusionDALL-EControlNet LoRA / DreamBoothDiffusersMidjourney

Sec AI Security & Safety

LLM SecurityPrompt Injection DefenseAI Guardrails OWASP LLM Top 10Supply Chain Security Model ProvenanceResponsible AIData Poisoning Prevention

CV Vision & NLP

Computer VisionObject DetectionOpenCV Image ProcessingNLPSpeech Recognition Text-to-SpeechSpeech-to-Text

Ops Cloud & DevOps

AWS (Lambda, EC2, ECR, S3)GCPAzure AI DockerServerlessLinux GitHubCUDAMLOps

Dev Development

PythonFastAPIFlaskGradio PostgreSQLMongoDBREST APIs Web ScrapingETL

ML Frameworks & Tools

TensorFlowPyTorchHugging Face Scikit-LearnSparkMLOpenAI API PySparkPineconeFAISS WeaviateCrewAIRasa

What I've built.

LLM / Chatbot

AI Executive Planning Chatbot

AI-powered chatbot assisting businesses in executive planning — document creation, analysis, strategy formation, with role-based access control and multi-platform support.

GPT-4LangChainRAGFastAPIReact
LLM / Mobile App

AI Dating Coach App

AI-powered dating coach mobile app using GPT-4 for personalized reply suggestions from chat screenshots, opening line generation, and premium coaching features.

GPT-4FlutterStripePostgreSQL
LLM / WhatsApp

Athena FundX

AI chatbot integrated with WhatsApp, enabling users to acquire market-relevant skills through curated content, participate in quizzes, and more.

PythonTwilioLLMsWhatsApp API
LLM / RAG

Meta Freight Assistant

Platform for tracking shipments, generating requests, and raising disputes with vendors like FedEx, UPS, DHL, and USPS through seamless AI integration.

RAGPythonLLMsAPIs
SaaS / AI

WordRocket AI

AI platform generating SEO-optimized blogs in multiple styles, YouTube-to-essay conversion, Amazon Affiliate content, and real-time streaming — eliminating user wait times.

PythonLLMsStreamingSEO
LLM / Content

LunchBreak AI

Long-form content generation with LLMs, verified resource ingestion to reduce hallucinations, and humanization pipeline making text undetectable as AI-generated.

LLMsAWS S3NLPPython

Credentials & learning.

DU

LLMOps Specialization

Duke University — Aug 2024
DU

Operationalizing LLMs on Azure

Duke University — May 2024
View credential
IBM

Advanced Data Science Specialization

IBM — Apr 2024
View credential
IBM

Advanced ML & Signal Processing

IBM — Dec 2023
View credential
DL

Deploying ML Models in Production

DeepLearning.AI — Nov 2023
View credential
CC

Prompt Engineering for Everyone

Cognitive Class — Oct 2023
DB

Generative AI Fundamentals

Databricks — Oct 2023
IBM

IBM ML Specialist — Associate

IBM — Mar 2022
View credential
HR

REST API (Intermediate)

HackerRank — Mar 2022
HR

Python (Intermediate)

HackerRank — Sep 2020
View credential
WQ

Scientific Computing & Python

WorldQuant University — Dec 2019
KG

Intro to Deep Learning & Intermediate ML

Kaggle — Apr 2021

Academic background.

Bachelor of Science — Computer Science

Government College University (GCU), Lahore
Oct 2017 — Jun 2021  ·  CGPA: 3.27

Studied core CS concepts including linear algebra, calculus, databases, machine learning, and deep learning. Final Year Project: FICTOR — Face Predictor, employing generative AI to create youthful images of children based on parents' facial features.

What I offer.

🤖

AI/ML Development

💬

LLM & Agentic AI

🎨

Generative AI Apps

☁️

Cloud & MLOps

🛡️

AI Security & Guardrails

🔌

RAG & API Development

👁️

Computer Vision

📱

AI Mobile Apps

Let's work together.