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Fahad – Python, LangChain, OpenAI, experts in Lemon.io

Fahad

From United Statesflag

AI Engineer|Middle-to-senior
AI Agent Architect|Middle-to-senior

Fahad – Python, LangChain, OpenAI

Fahad is a middle-to-senior AI engineer with strong expertise in RAG systems, Python, and retrieval-focused architectures. He demonstrates solid conceptual depth in hybrid search, knowledge graphs, and evaluation frameworks, with hands-on experience in production AI and agentic systems. Fahad communicates technical concepts clearly and is comfortable with client-facing roles. While his design intuition is strong, recent assessments note a gap in rapid end-to-end coding execution under time pressure.

9 years of commercial experience in
Healthcare
Main technologies
Python
6.5 years
LangChain
2 years
OpenAI
2 years
LLM
2 years
AI agent development
2 years
RAG
1 year
Additional skills
Data annotation
Anthropic
Cohere
API
Terraform
Snowflake
AWS
GCP
Kubernetes
SQL
Microsoft Azure
CI/CD
Apache Kafka
ETL
PostgreSQL
MongoDB
Node.js
React
Salesforce
ElasticSearch
Tableau
Looker
GraphQL
AI
MCP
MLOps
LangGraph
FastAPI
Pydantic
JWT
OpenAPI
NumPy
Pinecone
Twilio API
WebRTC
Voice AI integration
PyTorch
Prompt engineering
AI agent orchestration
AI benchmarking
AI chatbot development
Vector Databases
Direct hire
Possible
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Experience Highlights

Principal AI Engineer
Jul 2023 - Ongoing2 years 10 months
Project Overview

It's a world's first in-silico therapeutic research platform that predicts, designs, and validates therapeutics.

Responsibilities:
  • Architected the platform with multi-modal foundation AI.
  • Achieved 96% mechanism accuracy.
  • Reduced clinical trial patient mismatch by 54%.
  • Produced 5 peer-reviewed AACR abstracts.
  • Benchmarked enterprise LLM systems across Claude, GPT, Cohere, and Mixtral.
  • Deployed a pass@k and LLM-as-judge evaluation framework across 50+ domains.
  • Built a 4-pillar adversarial trap suite to stress-test Cohere, Claude, and GPT systems.
  • Reduced silent failure rates by more than 23%.
Project Tech stack:
OpenAI
Anthropic
Cohere
LLM
AI agent development
Principal AI Engineer
Jul 2023 - Ongoing2 years 10 months
Project Overview

It's a multi-tenant, agentic SaaS platform spanning front-end, API, and execution-plane services.

Responsibilities:
  • Developed the platform.
  • Built three live services across the front-end, API, and execution plane.
  • Designed 27+ database tables.
  • Benchmarked tenant-scoped orchestration.
Project Tech stack:
AI agent development
API
Principal AI Engineer
Jul 2023 - Ongoing2 years 10 months
Project Overview

It's a three-agent autonomous revenue orchestrator.

Responsibilities:
  • Integrated AssemblyAI, FHIR, Twilio, and X12 EDI.
  • Reduced claim denial rate from 20% to less than 5%.
  • Reduced cost-to-collect from $22 to $4.50.
Project Tech stack:
AI agent development
Senior Solutions Engineer
Apr 2021 - Jul 20232 years 3 months
Project Overview

It's a global leader that provides a unified, low-code platform for data integration, data quality, and data governance to unify data across cloud, hybrid, and multi-cloud environments.

Responsibilities:
  • Scaled 100+ ETL pipelines and converted enterprise data workflows using ETL, SQL, and AWS Kinesis.
  • Architected Kubernetes, Terraform, and AWS across 26 production environments, plus AWS, GCP, and Azure multi-cloud infrastructures with zero downtime.
  • Automated 15-minute CI/CD security pipelines.
  • Enhanced data workflows for AstraZeneca, accelerating reporting by 30%.
  • Closed 1000+ technical discoveries across 500+ Fortune 500 accounts.
  • Engineered HIPAA-compliant genomic pipelines via Talend Cloud, Kafka, and Snowflake, processing 1TB+ daily.
  • Integrated AWS Firehose into data pipelines.
  • Migrated 300+ ETL jobs via the platform's Cloud and Accelerators.
  • Optimized the platform Data Fabric to scale data processing and reduce production incidents by 65%.
Project Tech stack:
ETL
Kubernetes
Terraform
AWS
CI
CD
SQL
Apache Kafka
Snowflake
GCP
Microsoft Azure
Lead Web Engineering Instructor
Dec 2020 - Apr 20213 months
Project Overview

It's a full-stack web development coding bootcamp.

Responsibilities:
  • Architected React, Node.js, MongoDB, and SQL production-grade deployments for 40+ students.
  • Engineered an Express, PostgreSQL, and REST API full-stack curriculum.
  • Accelerated internship placement to 97%.
  • Generated an 82% employment rate for graduates.
  • Achieved 3x peer employment rate for an underrepresented cohort.
Project Tech stack:
React
Node.js
MongoDB
SQL
PostgreSQL
Founding Solutions Architect
Jul 2017 - Apr 20191 year 8 months
Project Overview

It's an online marketplace that connects design enthusiasts with highly sought-after sellers and creators of vintage, antique, and contemporary furniture, home décor, art, jewelry, watches, and fashion.

Responsibilities:
  • Pioneered the marketplace architecture and deployed GraphQL, REST, Salesforce, and Outreach integrations.
  • Established integration playbooks for a 5K+ dealer onboarding framework.
  • Unified sales and engineering workflows, increasing dealer acquisition efficiency by 200%.
  • Spearheaded pre-IPO scaling of a $250M GMV platform.
  • Architected Looker, Elasticsearch, Tableau, and Node.js for multi-currency rollout across 28 countries.
  • Partnered with product and engineering to support 5M+ monthly users.
  • Architected Tableau and Salesforce dashboards.
  • Delivered 50+ bi-quarterly technical demos across global implementations.
Project Tech stack:
GraphQL
Salesforce
Looker
ElasticSearch
Tableau
Node.js

Education

2021
Computer Science
BS

Languages

Spanish
Advanced
Hindi
Advanced
English
Advanced

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