Ali Hamza

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent
German
Intermediate

Work Experience

Freelance Full Stack Engineer at Upwork
August 1, 2024 - April 1, 2026
Delivered enterprise-level full-stack AI applications for 20+ clients across Fintech, Healthcare, E-commerce, and SaaS sectors, including LLM-powered features and intelligent automation.
Software Engineer (AI Integration) at Veroke
July 1, 2023 - August 1, 2024
Delivered RESTful architectures for financial systems with integrated AI-powered features, reducing downtime by 25% and improving decision accuracy. Integrated OpenAI and Claude APIs for document summarization, fraud detection, and customer support automation.
Full Stack AI Engineer (Project-Based) at Universität Koblenz
September 1, 2025 - Present
Delivered scalable AI-powered cloud-native applications on AWS, integrating LLM-based features and enhancing serverless AI inference efficiency. Built RAG pipelines with LangChain and PGVector for contextual document retrieval, and led AI agents for research automation and intelligent summarization.
Freelance Full Stack Engineer (Self-employed) at Upwork | Freelance Platforms
August 1, 2024 - April 1, 2026
Delivered enterprise-level full-stack AI applications for 20+ clients across Fintech, Healthcare, E-commerce, and SaaS sectors, including LLM-powered features and intelligent automation. Built AI agents and RAG pipelines using LangChain, Lang Graph, OpenAI GPT-4, Claude, and Gemini, improving information retrieval accuracy by 43% and reducing hallucination rate by 35%.
Software Developer (AI-Focused) at DevSinc Islamabad
May 1, 2022 - July 1, 2023
Built scalable SaaS applications with AI-powered features using microservices architecture (PHP, Laravel, Node.js, Python). Developed Python backends for LLM integration and data preprocessing; integrated MongoDB and PostgreSQL for AI-featured data; facilitated Agile ceremonies, increasing team productivity by 38%.

Education

Master's degree in Web and Data Science at Universität Koblenz
January 1, 2023 - January 1, 2025
Bachelor of Science in Computer Science at National University of Sciences and Technology (NUST)
January 1, 2018 - January 1, 2022
Master's degree in Web and Data Science at University of Koblenz
January 1, 2023 - January 1, 2025
Bachelor's degree in Computer Science at National University of Sciences and Technology (NUST)
January 1, 2018 - January 1, 2022

Qualifications

Artificial Intelligence Essentials
January 11, 2030 - June 3, 2026
Software Engineer (HackerRank)
January 11, 2030 - June 3, 2026

Industry Experience

Software & Internet, Professional Services, Education, Financial Services, Healthcare, Gaming, Media & Entertainment, Telecommunications, Retail, Software & Internet