Pfizer logoCurrently an Extern @Pfizer
Cherno Diallo portrait

Software Engineer focused on applied AI and software development

Software Engineering graduate with hands-on experience building software solutions and working with applied AI, including AI-powered document insights and data extraction.

Work samples

Portfolio entries show course projects and the Pfizer externship, emphasizing AI-powered document insights, data extraction, and practical software tasks completed during my studies.

  • Pfizer Advanced: AI-Powered Document Insights & Data Extraction Externship
    Pfizer Advanced: AI-Powered Document Insights & Data Extraction Externship
    Pfizer logo

    Pfizer · ✅ Verified by Extern · ⏱️ In progress

    Pfizer Advanced: AI-Powered Document Insights & Data Extraction Externship

    Prototype AI-powered document intelligence with Pfizer—using OCR, LLMs, and RAG to automate real enterprise PDF workflows and build a standout portfolio project.

    AI & MLPythonDocument IntelligencePresentation Skills
  • Vacation Scheduler
    Vacation Scheduler

    Designed and developed an Android vacation management application enabling users to create, update, delete, and manage vacations and associated excursions. Implemented CRUD operations, Room Database persistence, RecyclerView interfaces, date validation, and scheduled notifications to create a reliable mobile experience.

    JavaAndroid StudioRoom Database

About me

Software Engineering graduate with hands-on experience building software solutions and working with applied AI, including AI-powered document insights and data extraction.

I am a Software Engineering graduate from Western Governors University with experience building projects using Java, Python, JavaScript, SQL, and other development technologies. I enjoy turning technical concepts into practical solutions and continuously expanding my skills through hands-on projects and real-world experience. I am currently participating in the Pfizer Advanced: AI-Powered Document Insights & Data Extraction externship, where I am exploring how AI can be applied to document processing, data extraction, and business workflows.

Externships

Pfizer Advanced: AI-Powered Document Insights & Data Extraction Externship

Pfizer

Experience

AI Engineering Extern

Pfizer Advanced: AI-Powered Document Insights & Data Extraction · Aug. 2026 – Present

Technical Documentation Intern

ARC Document Solutions · Jan. 2025 – Feb. 2025

Membership Services

Costco Wholesale · Mar. 2020 – Apr. 2026

Education

Western Governors University

B.S. Software Engineering · Class of 2026

Skills

Software engineering fundamentalsAI-powered document insightsData extractionProblem solvingProject-based learning

✅ Verified by Extern · ⏱️ In progress

Pfizer Advanced: AI-Powered Document Insights & Data Extraction Externship

Prototype AI-powered document intelligence with Pfizer—using OCR, LLMs, and RAG to automate real enterprise PDF workflows and build a standout portfolio project.

AI & MLPythonDocument IntelligencePresentation Skills

Overview

The externship prototyped AI-powered document intelligence for enterprise PDF workflows using OCR, large language models, and retrieval-augmented generation. The work combined research on model behavior with hands-on experiments to extract and structure data from documents. Deliverables documented model explanations and technical findings from those experiments.

Pfizer Advanced: AI-Powered Document Insights & Data Extraction Externship

What I've accomplished

I produced a technical explanation of LLM internals covering tokenization, embeddings, transformer attention, next-token prediction, and loss-driven parameter updates, illustrated with examples such as ChatGPT and Grok.

Project breakdown

The submission explained LLM internals: tokenization, embeddings, the transformer attention step, next-token prediction, and training via loss-driven parameter updates, illustrated with examples like ChatGPT and Grok.

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Vacation Scheduler

Designed and developed an Android vacation management application enabling users to create, update, delete, and manage vacations and associated excursions. Implemented CRUD operations, Room Database persistence, RecyclerView interfaces, date validation, and scheduled notifications to create a reliable mobile experience.

JavaAndroid StudioRoom Database
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Inventory Management System

Developed a Spring Boot inventory application for managing parts and products, allowing users to add, update, delete, and search inventory records through a web-based interface. Implemented product-part associations, inventory validation, business rules, and persistent relational data storage using Java, Spring MVC, and MySQL.

JavaSpring BootMySQL
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Interactive Web Applications

Developed browser-based applications using JavaScript, HTML, and CSS, including a banking interface with dynamic account and transaction functionality. Applied DOM manipulation, event handling, application logic, dynamic UI updates, and responsive design to build interactive user experiences.

JavaScriptHTMLCSS
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