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mayank singh

mayank singh

Full Stack Developer

Bangalore, India 3+ yrs exp 86 · Excellent

About

Full Stack Developer with 2+ years of experience building scalable, production-ready MERN stack applications. Skilled in React.js, Next.js, Node.js, Express.js, and MongoDB with a strong track record of architecting RESTful APIs, optimizing application performance, and delivering measurable business impact. Experienced in end-to-end feature ownership — from database schema design to frontend implementation — with a focus on clean code, reusability, and Agile collaboration.

Skills & Expertise (33)

React.js Advanced
8.4/10
3
Years Exp
Node.js Advanced
8.2/10
3
Years Exp
JavaScript Advanced
8.0/10
3
Years Exp
REST API development Advanced
8.0/10
3
Years Exp
MongoDb Advanced
7.8/10
3
Years Exp
Typescript Intermediate
7.5/10
2
Years Exp
Git Intermediate
7.5/10
3
Years Exp
Agile Intermediate
7.0/10
3
Years Exp
Docker Intermediate
7.0/10
2
Years Exp
GitHub Next.js Reusable Component Architecture Memoization lazy loading Performance Optimization Cloudinary Postman Render Vercel GitHub Actions ES6+ Tailwind CSS REDUX Mongoose ODM Aggregation Pipeline Schema Design Context API Role-based access control JWT Authentication HTML5 Express.js CSS3 Responsive UI Design

Work Experience

Software Developer (Team Lead)

SPM Global Technologies

Aug 2023 - Nov 2025

Led end-to-end development of DealDox, a multi-module enterprise platform covering survey management, pricing workflows, and multi-level approval matrix systems using React.js, Node.js, and MongoDB. Architected and implemented 15+ RESTful APIs with Node.js/Express.js, reducing average API response time by ~30% through query optimization and caching strategies. Engineered a dynamic approval matrix workflow automating multi-level routing, eliminating manual escalation and cutting turnaround time by 40%. Built 20+ modular reusable React.js UI components, reducing frontend development time for new features by ~35%. Implemented JWT-based authentication and RBAC securing sensitive workflows for 100+ users across multiple roles. Optimized performance via React lazy loading, memoization (useMemo, useCallback), and paginated APIs — improving page load speed by ~40%. Designed MongoDB schemas with aggregation pipelines and compound indexing, cutting complex query execution time by ~50%. Mentored 2 junior developers through code reviews and pair programming; managed CI/CD pipelines via GitHub and Render/Vercel.

Full Stack Development Intern

JSpiders

Sep 2022 - Jul 2023

Developed and integrated 10+ responsive React.js UI components for an internal e-commerce platform with mobile-first design. Built RESTful APIs using Node.js and Express.js for product listing and user management; designed MongoDB schemas with CRUD validation. Collaborated in a 4-member full-stack team using Git/GitHub, participating in code reviews and Agile sprint planning.

Education

B.Tech - Madhu Vachaspati Institute of Engineering & Technology (AKTU)

2015 - 2019 · India

Certifications

No certifications added yet

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 11/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 86/100

Profile Overview

Member sinceJun 2026

Availability Details

Relocation

Depends on Offer