Dharshan Thiagarajan
@dharshanthiagarajan
I build secure, concurrency-safe full-stack applications and REST APIs for scientific, e-commerce, and hiring platforms.
IndiaWhat I'm looking for
I've built and maintained production applications and 30+ REST API endpoints for Cognizant Technology Solutions across Psilo and Pipeline Pilot, supporting scientific workflows and record management.
I focus on protecting data through role-scoped access control, server-side validation, database-level licensing checks, and secure infrastructure. My work reduced unauthorized edit paths, restricted-record exposure, and data-corruption incidents.
Across freelance projects for Storix E-Commerce and Pinnacle Hire, I closed pricing and database-access gaps, built a provider-agnostic payment adapter, and resolved concurrent workflow-state conflicts under peak load.
I work across Node.js, Express, React, MongoDB, MySQL, Redis, and Docker, bringing a debugging mindset shaped by technical support experience and production problem-solving.
Experience
Work history, roles, and key accomplishments
Full Stack Developer, Freelance
Techbeeshive
Jun 2024 - Jul 2025 (1 year 1 month)
Delivered freelance full stack development for client engagements, including Storix E-Commerce and Pinnacle Hire Job Portal. Fixed server-side price-validation gaps, payment gateway limitations, and concurrency issues, significantly reducing risks and failures.
Software Engineer, Full Stack Developer
Dec 2020 - Jun 2024 (3 years 6 months)
Built and maintained 30+ REST API endpoints across two platforms, improving API workflow reliability by 25%. Implemented role-scoped access control and resolved cron-job concurrency issues, reducing unauthorized edit paths and data-corruption incidents.
Education
Degrees, certifications, and relevant coursework
Sona College of Technology
Bachelor of Engineering, Electrical and Electronics Engineering
2016 - 2020
Grade: 8.3 CGPA
Pursued Bachelor of Engineering in Electrical and Electronics Engineering, achieving a CGPA of 8.3.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Salary expectations
Social media
Job categories
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