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Usman A. AI, Data Science and NLP Platforms

My name is Usman A. and I have over 7 years of experience in the tech industry. I specialize in the following technologies: Natural Language Processing, LLM Prompt, Prompt Engineering, LangChain, OpenAI API, etc.. I hold a degree in Bachelor of Engineering (BEng). Some of the notable projects I've worked on include: Natural Language to SQL System with Visual Insights, RAG (Retrieval-Augmented Generation) system - LLM, Ranking for Upwork Freelancer Search using Deep & Cross Network (DCN), Auto Search Suggestions for Upwork Freelancer Search (Upwork Team), Trading Bot, etc.. I am based in Karachi, Pakistan. I've successfully completed 7 projects while developing at Softaims.

I am a business-driven professional; my technical decisions are consistently guided by the principle of maximizing business value and achieving measurable ROI for the client. I view technical expertise as a tool for creating competitive advantages and solving commercial problems, not just as a technical exercise.

I actively participate in defining key performance indicators (KPIs) and ensuring that the features I build directly contribute to improving those metrics. My commitment to Softaims is to deliver solutions that are not only technically excellent but also strategically impactful.

I maintain a strong focus on the end-goal: delivering a product that solves a genuine market need. I am committed to a development cycle that is fast, focused, and aligned with the ultimate success of the client's business.

Main technologies

  • AI, Data Science and NLP Platforms

    7 years

  • Natural Language Processing

    1 Year

  • LLM Prompt

    1 Year

  • Prompt Engineering

    2 Years

Additional skills

Direct hire

Potentially possible

Previous Company

Upwork

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Experience Highlights

Natural Language to SQL System with Visual Insights

Built an Action-Language-to-SQL system that converts human questions into optimized SQL queries. Supports contextual understanding, joins, and filters (e.g., city, promo usage). Added data visualizati

RAG (Retrieval-Augmented Generation) system - LLM

A document-aware RAG (Retrieval-Augmented Generation) system that lets users upload PDFs or TXT files and ask natural language questions. The system retrieves relevant content from the documents using

Ranking for Upwork Freelancer Search using Deep & Cross Network (DCN)

Developed a second-pass ranking system for Upwork Freelancer Search using a Deep & Cross Network. Extracted features from freelancers, clients, and context. Trained the model on clicks and hires to le

Auto Search Suggestions for Upwork Freelancer Search (Upwork Team)

Built and deployed a smart auto-suggestion system at Upwork using ML embeddings. Queries were vectorized using transformer models, and redundant suggestions were removed via cosine similarity. Deliver

Trading Bot

Developed various trading patterns

Education

  • NED University of Engineering and Technology

    Bachelor of Engineering (BEng) in Computer Systems Engineering

    2016-01-01-2019-01-01

Languages

  • English (Fluent)✓