Shishir Kushwah

Full Stack Engineer

Agra, Uttar Pradesh, India0 mo experience

Key Highlights

4⭐ CodeChef rating with 1817 max
LeetCode Guardian Badge with 2239 max rating
Ranked 3016 in Google Kickstart Round H

Stackforce AI infers this person is a Full-Stack Software Engineer with a focus on scalable web applications and cloud infrastructure.

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Skills

Core Skills

Open-source SoftwarePython (programming Language)Node.jsExpress.js

Other Skills

AWS (S3, CloudFront)AlgorithmsAmazon Web Services (AWS)C (Programming Language)C++CommunicationDatabase Management System (DBMS)Front-End DevelopmentKotlinMatplotlibNumPyPandas (Software)ProgrammingREST APIsSciPy

About

I'm a passionate and performance-focused software engineer with a strong foundation in full-stack web development, cloud infrastructure, and algorithmic problem solving. With hands-on experience in building and optimizing scalable web applications, I love turning ideas into high-impact products. 📌 Key Skills: • Frontend: React.js, Material UI, HTML, CSS, JavaScript • Backend: Node.js, Express.js, REST APIs • Databases: MongoDB, MySQL, Firestore • Cloud/DevOps: AWS (S3, CloudFront), Docker, Git • Other: Python, C++, ChatGPT APIs, Open Source 🏆 Achievements: • 4⭐ CodeChef (Max Rating: 1817) • LeetCode Guardian Badge (Max Rating: 2239) • Rank 3016 – Google Kickstart Round H Currently seeking impactful software roles where I can build scalable systems and contribute to innovative product development. Let’s connect!

Experience

Fermulerpy

Open Source Developer

Jul 2024 – Jul 2024 · 0 mo

1. Worked on an open source number theory package in python.
2. Developed optimized and user-friendly mathematical functions for researchers with limited programming experience.
3. Additionally, developing comprehensive documentation using Jupyter Notebooks, complete with detailed explanations of modules and functions.

Open-Source SoftwarePython (Programming Language)NumPyMatplotlibpytestSphinx

Stealth startup

Software Enginner

May 2024 – Jun 2024 · 1 mo · Remote

Designed and developed a scalable backend system using Node.js and Express, powering a real-time QR based food ordering platform with 500+ daily transactions.
Built and integrated payment processing workflows with third-party APIs (PhonePe), including webhook listeners to capture asynchronous payment updates and ensure 98% reliability in status reconciliation.
Implemented automated payment reconciliation logic to compare transaction records across internal DB and payment gateway, flagging inconsistencies with 100% accuracy.
Engineered and deployed RESTful APIs for order lifecycle and payment status handling, emphasizing low latency (< 200ms) and idempotent design.
Leveraged AWS CloudFront + S3 to cache precomputed static resources and reduce server strain, achieving 40% latency reduction during peak hours.

reactAmazon Web Services (AWS)Front-End DevelopmentNode.jsExpress.js