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Mayank

Mayank

Software Engineer | Full Stack Developer (MERN) | React Native & React.js Specialist

Sonipat, Haryana, India 4+ yrs exp 89 ยท Excellent

About

Software Engineer with 4.5+ years of experience building web and mobile applications across the MERN stack (MongoDB, Express.js, React.js, Node.js) and React Native. Shipped 60+ revenue-impacting features in a fast-paced Agile environment at a UAE-based top-5 fashion e-commerce platform serving 500K+ active users, and delivered independent full stack projects covering frontend, backend, and database design end to end. Uses AI-assisted development (Cursor, LLMs) to speed up debugging, code review, and prototyping.

Skills & Expertise (36)

JavaScript Advanced
8.4/10
4.5
Years Exp
React.js Advanced
8.4/10
4.5
Years Exp
React Native Advanced
8.4/10
4.5
Years Exp
HTML Advanced
8.0/10
4.5
Years Exp
CSS Advanced
8.0/10
4.5
Years Exp
Node.js Advanced
8.0/10
4.5
Years Exp
Express.js Advanced
8.0/10
4.5
Years Exp
MongoDb Advanced
8.0/10
4.5
Years Exp
REST API design Advanced
8.0/10
4.5
Years Exp
Git Advanced
8.0/10
4.5
Years Exp
Typescript Intermediate
7.6/10
2
Years Exp
Google Analytics Intermediate
7.6/10
3
Years Exp
Figma Intermediate
7.6/10
3
Years Exp
Jira Intermediate
7.6/10
3
Years Exp
Postman Intermediate
7.6/10
3
Years Exp
Redux Toolkit Intermediate
7.6/10
3
Years Exp
React Navigation Intermediate
7.6/10
3
Years Exp
Mongoose Intermediate
7.6/10
3
Years Exp
JWT Intermediate
7.6/10
3
Years Exp
Tailwind CSS Intermediate
6.6/10
2
Years Exp
SEO Intermediate
6.6/10
2
Years Exp
Performance Optimization Intermediate
6.6/10
2
Years Exp
Unit Testing Intermediate
6.6/10
2
Years Exp
A/B testing Intermediate
6.6/10
2
Years Exp
MoEngage Intermediate
6.6/10
2
Years Exp
Appsflyer Intermediate
6.6/10
2
Years Exp
MongoDB Compass Intermediate
6.6/10
2
Years Exp
Expo Intermediate
6.6/10
2
Years Exp
XCODE Intermediate
6.6/10
2
Years Exp
Android Studio Intermediate
6.6/10
2
Years Exp
Framer Motion Intermediate
6.6/10
2
Years Exp
Data Structures & Algorithms Intermediate
5.5/10
2
Years Exp
Prompt Engineering Intermediate
5.5/10
2
Years Exp
NumPy Intermediate
5.5/10
2
Years Exp
Pandas Intermediate
5.5/10
2
Years Exp
Python Intermediate
5.5/10
2
Years Exp

Work Experience

Consultant

Independent Consulting & Contract Engagements

Mar 2026 - Present

Provided independent React Native, and full stack MERN development consulting for early-stage products and founders. Built full stack web applications using Node.js, Express.js, MongoDB, and React.js, covering frontend UI, REST API development, and database design end to end. Conducted a security and UX code review for MEDIRA, an AI based healthcare platform, delivering a detailed audit report that shaped engineering priorities. Designed and built Lando, a wizard-based website builder, owning the frontend product from concept to the working build. Conducted a product audit for Reach Resume, an AI resume tailoring platform, evaluating website performance, browser extension UI, and API stability, SEO, and session handling.

Software Engineer

AIVI (formerly 6thStreet, Apparel Group)

Sep 2022 - Mar 2026

Delivered 60+ features for React Native e-commerce app, serving 500K+ active users and maintaining a 4.6 App Store rating across 6 GCC countries. Shipped an AI Shopping Chatbot for iOS and Android mobile app, supporting NLP search, personalized recommendations, and real-time order support, driving an 18% uplift in conversions. Led frontend development of the Quick Delivery Service across Web and Mobile, enabling quick commerce operations of AIVI across Middle Eastern countries. Built AIVI Promise, a price-match refund system that achieved a 32.5% Conversion Rate (CVR), and Shop the Look, an image-based product discovery feature. Saved $220K/year by building an in-house Gender-Based Product History Widget using MMKV-based local storage, replacing a third-party tool. Optimized app response time by client-side caching, reducing API calls by 35% and cutting server costs. Enabled data-driven personalization by integrating Google Analytics, AppsFlyer, and MoEngage, which contributed to a 150% increase in user engagement. Saved $170K/year by creating automation tools like WeltPixel (Magento automation) and an in-house banner tool. Owned production stability across Website, iOS, and Android by resolving 100+ critical bugs and driving various UI revamps.

Technical Intern

AIVI (formerly 6thStreet, Apparel Group)

Feb 2022 - Aug 2022

Boosted Google PageSpeed Insights score to 94% for the Product website through JS/CSS minification, image optimization, and lazy-loading. Resolved various critical bugs and implemented SEO content updates, which resulted in improved performance and enhanced organic traffic on the website. Delivered 5+ frontend features per 2-week sprint cycle in a cross-functional Agile team, integrating REST APIs and fixing UI bugs across different screens.

Education

Bachelor of Technology (B. Tech) in Mechanical Engineering

2018 - 2022 ยท India

Certifications

No certifications added yet

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Profile Score Breakdown

๐Ÿ“ท Photo 10/10
๐Ÿ“„ Resume 10/10
๐Ÿ’ผ Job Title 10/10
โœ๏ธ Bio 10/10
๐Ÿ› ๏ธ Skills 20/20
๐ŸŽ“ Education 10/10
โฑ๏ธ Experience 14/15
๐Ÿ’ฐ Rate 0/5
๐Ÿ† Certs 0/5
โœ… Verified 5/5
Total Score 89/100

Profile Overview

Member sinceSep 2026

Availability Details

Visa Status

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Relocation

Open to Relocation