Siraj Farhan

Summary

AI Engineer with 9+ years of software development experience and 6+ years focused on machine learning, natural language processing (NLP), and deep learning. Specializing in LLM-based solutions, Retrieval-Augmented Generation (RAG), and Prompt Engineering, I consistently deliver business value by enhancing product performance, reducing operational costs, and driving user engagement.

Key Business Impacts

Developed AI systems that reduce response times by ~35%, improving customer satisfaction and conversion rates.
Integrated vector databases to enhance product recommendations and drive revenue growth in e-commerce environments.
Led teams to achieve regular, on-budget releases that boost operational efficiency and revenue growth.

Core Skills & Technologies

AI & ML

LangChain, OpenAI APIs, GPT models, RAG, PyTorch, TensorFlow, Keras, Prompt Engineering

NLP / LLM

Vector databases (FAISS, Milvus), Transformers, Hugging Face, Reinforcement Learning

Backend

Python (Flask, Django), Node.js, RESTful APIs, GraphQL

Frontend

JavaScript/TypeScript, React/Redux, Angular, jQuery

Databases

MongoDB, MySQL, PostgreSQL, BigTable, DataStore

DevOps

Docker, Jenkins, GitHub, Kubernetes, CI/CD

Methodologies

Agile/Scrum, TDD, code review, user stories

Professional Experience

AI Engineer – Quikly.com / Athena.com / Jora.ai

Nov 2022 – Present

Designed and deployed LLM-driven chatbots handling up to 300k monthly queries, significantly reducing response times and boosting customer engagement.
Integrated vector databases (FAISS) for real-time data retrieval, increasing recommendation accuracy and driving revenue growth.
Led a 5-person team to deliver 3+ major features monthly, consistently meeting aggressive business targets.
Instituted Agile practices that reduced bug rates by ~40%, leading to more stable, scalable products.

Full Stack Developer – Sanctuary.co

Mar 2020 – Nov 2022

Developed end-to-end features for web and mobile platforms, driving increased user engagement and customer retention.
Built and refined chatbot prototypes using open-source ML models, enhancing customer service automation and reducing operational costs.
Managed CI/CD pipelines (Jenkins) that ensured zero-downtime releases, directly contributing to higher uptime and customer trust.
Delivered 10+ projects that increased platform usability and scalability, resulting in improved KPIs across business units.

Engineering Lead / Data Engineer – Toko / Jamb Inc

May 2017 – Mar 2020

Led a 6-person team on data-intensive platform projects, driving better data insights for business decisions.
Spearheaded system architecture improvements that enhanced processing speeds, contributing to timely product updates and higher customer satisfaction.
Introduced advanced NLP pipelines that improved feedback analysis, resulting in faster product iterations and enhanced market competitiveness.
Optimized release cycles to 2-week sprints, aligning product delivery with key business milestones.

Full Stack Developer – KimeurLabs

Dec 2015 – Mar 2017 | Freelance/Project-based

Developed custom web and mobile solutions using Python and JavaScript, delivering projects that met tight deadlines and exceeded client expectations.
Drove business results by implementing scalable solutions that supported client growth and improved market responsiveness.
Successfully delivered 5+ projects under budget and on time, contributing to a robust portfolio that showcases business impact and technical excellence.

Summary

Core Skills & Technologies

Professional Experience

Education