Sonu kumar

Full Stack Engineer

https://www.opentalent.in/sonu-kumar-376144

Full Stack Engineer with less than a year in MERN Stack & AI/ML

Webseeder

Key Strengths

Exceptional problem-solving and algorithmic skills demonstrated through extensive competitive programming achievements (LeetCode Knight, Codeforces Specialist, CodeChef 3-Star, top contest ranks).
Strong full-stack development proficiency with the MERN stack (React.js, Node.js, Express.js, MongoDB) and Next.js, evidenced by multiple complex personal projects and an internship.
Proven ability to design and implement scalable, secure, and performant applications, including authentication (JWT, bcrypt, RBAC), database optimization (MongoDB indexing), real-time features (WebSockets), and payment integration (Razorpay).
Proactive in adopting modern technologies and advanced concepts such as AI integration (Gemini API, Langchain, WebContainers) and containerization (Docker).
Demonstrated experience in building responsive user interfaces with React.js, Next.js, and Tailwind CSS, ensuring cross-device usability.

Cultural & Operational Fit

Cultural Fit Analysis

Insufficient data due to zero score on the psychometric test. This area requires further evaluation.

Soft Skills & Operational Fit

Insufficient data due to zero score on the psychometric test. This area requires further evaluation.

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Evaluating your skill match against the job requirements…

Assessing your cultural and operational fit

About

Full Stack Developer Intern with experience in engineering secure, high-performance web applications. Proficient in MERN stack, Next.js, and WebSockets, contributing to scalable platforms and optimizing data processes. Skilled in developing responsive UIs and implementing real-time features, coupled with a strong foundation in competitive programming and problem-solving.

Top Skills

React.jsNode.JsGitExpress.JsNext.Js

Projects

E-Commerce

April 1, 2026 – Present

Developed and deployed a secure authentication authorization system using JWT and bcrypt, eliminating unauthorized access and safeguarding sensitive data. Designed and optimized advanced search and filtering with MongoDB indexing, improving data retrieval speed and increasing user engagement by 40%. Built dynamic product suggestion algorithms leveraging user behavior patterns, resulting in a 15% boost in cross-selling revenue and enhanced customer experience.

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LearnKode - Full Stack EdTech Platform

April 1, 2026 – Present

Built a full-stack EdTech platform for 500+ users, enabling scalable course creation, video delivery, and progress tracking across 50+ courses and 200+ lectures. Implemented secure authentication using JWT, bcrypt, and RBAC, ensuring protected access for Students and Instructors with strong input validation. Developed a responsive, high-performance UI using React.js and Tailwind CSS, delivering seamless cross-device usability (desktop/tablet/mobile). Engineered scalable REST APIs with Express.js and MongoDB, supporting CRUD operations and integrating Razorpay for 100+ successful payments.

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Real-Time Collaborator App

April 1, 2026 – Present

Built a real-time chat system using WebSockets supporting 100+ users with low-latency messaging. Integrated the Gemini API to deliver 35% more relevant and context-aware responses. Developed an AI-powered code generation feature with WebContainers, enabling seamless code creation and execution.

View Project

Certifications

Achieved a peak LeetCode Rating of 1877 (Knight)

LeetCode

April 1, 2026 – Present

Solved over 1000+ DSA problems

LeetCode, Codeforces, and CodeChef

April 1, 2026 – Present

Secured Global Ranks 127 and 612 in CodeChef Starters 139 and 140 (Div. 2)

CodeChef

April 1, 2026 – Present

Secured positions 759/31599 and 684/37036 in LeetCode Weekly Contests 459 and 460

LeetCode

April 1, 2026 – Present

CodeChef 3-Star Coder: Peak rating of 1664

CodeChef

April 1, 2026 – Present

Codeforces Specialist: Maximum rating of 1455

Codeforces

April 1, 2026 – Present

Key Strengths

Exceptional problem-solving and algorithmic skills demonstrated through extensive competitive programming achievements (LeetCode Knight, Codeforces Specialist, CodeChef 3-Star, top contest ranks).
Strong full-stack development proficiency with the MERN stack (React.js, Node.js, Express.js, MongoDB) and Next.js, evidenced by multiple complex personal projects and an internship.
Proven ability to design and implement scalable, secure, and performant applications, including authentication (JWT, bcrypt, RBAC), database optimization (MongoDB indexing), real-time features (WebSockets), and payment integration (Razorpay).
Proactive in adopting modern technologies and advanced concepts such as AI integration (Gemini API, Langchain, WebContainers) and containerization (Docker).
Demonstrated experience in building responsive user interfaces with React.js, Next.js, and Tailwind CSS, ensuring cross-device usability.

Cultural & Operational Fit

Cultural Fit Analysis

Insufficient data due to zero score on the psychometric test. This area requires further evaluation.

Soft Skills & Operational Fit

Insufficient data due to zero score on the psychometric test. This area requires further evaluation.

Sonu kumar

Key Strengths

Cultural & Operational Fit

About

Top Skills

Skills

Education

Experience

Projects

Certifications

Key Strengths

Cultural & Operational Fit