Back to Developers
Lavanya Sinha

Lavanya Sinha

Full-Stack Software Engineer

80 · Excellent

About

Full-Stack Software Engineer skilled in building end-to-end web applications with React, Next.js, Node.js, Express.js, and SQL databases. Proficient in developing scalable application features, real-time functionality, authentication systems, and performance optimizations, with a focus on clean, maintainable architecture.

Skills & Expertise (24)

React.js Advanced
8.5/10
5
Years Exp
JavaScript Advanced
8.5/10
5
Years Exp
Next.js Advanced
8.0/10
4
Years Exp
HTML5 Advanced
8.0/10
5
Years Exp
CSS3 Advanced
8.0/10
5
Years Exp
GitHub Advanced
8.0/10
5
Years Exp
Git Advanced
8.0/10
5
Years Exp
Node.js Advanced
8.0/10
5
Years Exp
Express.js Advanced
8.0/10
5
Years Exp
REST APIs Advanced
8.0/10
5
Years Exp
SQL Advanced
7.5/10
5
Years Exp
MySql Advanced
7.5/10
5
Years Exp
Postgresql Advanced
7.5/10
5
Years Exp
Cloudinary Intermediate
7.0/10
2
Years Exp
Postman Intermediate
7.0/10
2
Years Exp
Docker Intermediate
7.0/10
2
Years Exp
WebSockets Intermediate
7.0/10
2
Years Exp
Socket.IO Intermediate
7.0/10
2
Years Exp
Redis Intermediate
7.0/10
2
Years Exp
Prisma Intermediate
7.0/10
2
Years Exp
Server Actions Intermediate
7.0/10
2
Years Exp
Tailwind CSS Intermediate
7.0/10
2
Years Exp
bootstrap Intermediate
6.5/10
3
Years Exp
SCSS Intermediate
6.0/10
3
Years Exp

Work Experience

Full-Stack Developer

Between the Lines

Present - Present

Built a full-stack reading journal with Next.js App Router, using Server Components, Server Actions, and feature-based architecture. Designed a normalized PostgreSQL database with Prisma ORM to model users, books, quotes, reflections, discussions, and media attachments. Implemented email/password authentication, Google OAuth SSO, and session-based authorization to protect user-specific resources. Built a Cloudinary-based media pipeline for image and document uploads, storage, and lifecycle management. Implemented Redis caching, cache invalidation, and rate limiting, reducing repeated database work for frequently accessed data. Used Sentry performance tracing and Lighthouse audits to identify database and request bottlenecks and guide performance optimization. Built Redis Pub/Sub + Socket.IO real-time discussions and an HTML5 Canvas doodle system, using the RDP algorithm to reduce stroke storage by ~68%.

Full-Stack Developer

AI Interview Tracker & Mock Interview Platform

Present - Present

Built and deployed an AI-powered full-stack interview preparation platform for managing job applications, tracking interview progress, and receiving AI-driven feedback. Implemented JWT-based authentication and protected routes, with bcrypt password hashing and session management to secure user access. Built native WebSocket–based real-time synchronization to instantly reflect interview updates and analytics changes across active user sessions. Integrated Groq LLM APIs to generate role-specific mock interviews, evaluate candidate responses, assign scores, and deliver personalized AI feedback and performance insights. Optimized responsiveness using debounced search, optimistic UI updates, lazy loading, and memoization, alongside reusable React architecture with Context API and custom hooks.

Full-Stack Developer

PenPal

Present - Present

Developed a collaborative story-writing platform with secure JWT authentication, enabling users to create, edit, delete, and collaborate on stories with role-based access. Built RESTful APIs using Node.js, Express.js, and MySQL, integrating Redux Toolkit for predictable client-side state management.

Education

Bachelor of Computer Applications (BCA) - Acharya Bangalore Business School

2022 - 2025 · Afghanistan

Certifications

No certifications added yet

Interested in this developer?

Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
✅ Verified 5/5
Total Score 80/100

Profile Overview

Member sinceOct 2026

Availability Details

Visa Status

Citizen

Relocation

Open to Relocation

Skills (24)

Click a skill to find developers with the same skill