Darshan Karthikeya
Full Stack Web Developer
About
Full Stack Web Developer with 14+ months of experience designing and deploying end-to-end web applications using React.js, Next.js, Node.js, Express, TypeScript, and PostgreSQL. Proficient in building responsive, high-performance UIs, scalable backend services, RESTful API design, real-time features, and database optimization for platforms supporting millions of users. Experienced with Docker containerization, CI/CD workflows, and cloud deployments. Shipped production systems serving 500+ concurrent users with sub-200ms response times and 99.5%+ uptime. 2× hackathon winner with hands-on experience integrating AI Agents and LLMs into full-stack applications.
Skills & Expertise (36)
Work Experience
Software Engineer Intern
SRNR IT Solutions
Sep 2025 - Feb 2026
Architected end-to-end HRMS microservices using Node.js, TypeScript, Express, REST APIs, and PostgreSQL; designed database schemas for complex data relationships and optimized queries reducing API latency by 35% and improving throughput by 40%. Built responsive, reusable React.js components with hooks and state management patterns for employee and payment module UIs; implemented CSS3-based responsive design ensuring cross-browser compatibility. Owned delivery of assigned modules from design through production deployment; achieved 90%+ test coverage with Jest; mentored junior developers on best practices and collaborated with QA teams on production validation. Shipped bi-weekly feature releases in Agile/Scrum environment with zero-downtime deployments and feature-flag-based rollouts.
AI Research Contributor (Summer of AI)
Viswam.ai
Jun 2025 - July 2025
◦ Selected for a nationally competitive AI research program to build India’s first Telugu Large Language Model — one of few contributors chosen for low-resource NLP work. ◦ Built dataset preprocessing pipelines applying NLP best practices for data quality, deduplication, and format standardisation across large-scale text corpora.
Full-Stack Software Engineer Intern
QuantaGlobal
Jan 2025 - Sep 2025
Designed and deployed production backend APIs using Node.js, TypeScript, Express, and PostgreSQL; implemented RESTful endpoint architecture with comprehensive request/response validation, error handling, and database query optimization ensuring sub-200ms response times for real-time data handling. Architected full-stack real-time monitoring platform (React, TypeScript, MongoDB) tracking 300+ KPIs with live data synchronization; engineered HireNexa AI-powered platform integrating Google Generative AI (Gemini) and LLM-backed automation reducing manual screening effort by 65%. Built a reusable React component library (15+ components) across 3 enterprise products; applied memoization, lazy loading, and optimized data-fetching reducing average API latency by 35% and ensuring responsive UI performance across 500+ daily production requests. Collaborated with cross-functional Agile teams on feature ownership and end-to-end delivery; achieved 85%+ code coverage through Jest unit and integration testing to ensure software reliability.
Education
Bachelor of Technology in Computer Science - Indian Institute of Information Technology, Design and Manufacturing (IIITDM)
2022 - 2026 · India
Certifications
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Citizen
Relocation
Open to Relocation
Skills (36)
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