HIMANSHU KUMAR SINGH
@himanshukumarsingh
Results-driven Full Stack Developer and System Administrator.
What I'm looking for
I am a Full Stack Developer and System Administrator with over 3 years of experience in designing and deploying scalable web applications and managing robust server infrastructures. My work has earned me recognition as a Top 3% Freelancer on Upwork, where I have maintained a 100% Job Success rate and logged over 1000 hours. I specialize in PHP, Laravel, React, Next.js, MySQL, and Linux, and I have a proven track record of delivering high-performance solutions for SaaS platforms, PDF utilities, and AI-integrated applications.
Throughout my freelance career, I have successfully completed over 14 projects, consistently receiving 5-star reviews from clients. I take pride in my ability to develop and maintain full-featured SaaS platforms, integrate complex external APIs, and build custom tools that meet specific client needs. My selected projects include an AI-driven SaaS app utilizing Laravel and OpenAI API, and an online PDF editor that allows users to compress, sign, and unlock documents. I thrive in dynamic environments and am eager to contribute my skills to long-term projects that require rapid turnaround and strategic insight.
Experience
Work history, roles, and key accomplishments
Freelance Full Stack Developer
Upwork
Jan 2019 - Present (6 years 5 months)
Completed over 14 projects and 970+ billed hours with consistent 5-star reviews. Developed and maintained full-featured SaaS platforms using Laravel and AI APIs, integrating complex external APIs like Instagram Basic and Google Business Chat.
Education
Degrees, certifications, and relevant coursework
University of Allahabad
Bachelor of Computer Applications, Computer Science
Majored in Computer Science, gaining foundational knowledge in programming, data structures, and algorithms. Completed coursework relevant to modern software development practices.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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