Subir Chowdhury

Senior Freelance Web Developer and Python Programmer (Machine Learning, Data Science, and Quantum Computing)

upwork.com • Freelance

Dec 2008 - Present • 17 yrs 8 mos

I am a Senior Freelance Web Developer and Python Programmer with over 15 years of professional experience in designing, developing, optimizing, and maintaining high-performance web applications and complex software systems. My expertise spans modern web technologies, advanced Python programming, and applied research-level work in Machine Learning, Data Science, and Quantum Computing. I rank within the top 3% (Top Rated Plus) on Upwork, among over 18 million freelancers. What distinguishes me from others is the rare combination of 15+ years of hands-on experience in web programming and system optimization with advanced skills in Python, data science, machine learning, and quantum computing, enabling efficient solutions to complex problems. I possess strong proficiency in building scalable, secure, and performance-optimized web platforms, including extensive experience with WordPress, Magento, server administration, and page speed optimization, achieving near-perfect scores in Google PageSpeed Insights, GTMetrix, and Core Web Vitals. Alongside web development, I specialize in data analysis, machine learning model development, automation, and scientific computing using Python. My technical background also includes hands-on experience with quantum computing concepts, quantum algorithms, and simulation frameworks, as well as a solid foundation in mathematics and computational problem-solving. I consistently deliver reliable, efficient, and research-oriented solutions for international clients, maintaining long-term professional collaborations and ranking within the top tier of freelancers globally. I am highly self-motivated, detail-oriented, and capable of independently managing complex projects, while also collaborating effectively with multidisciplinary teams.