🚀 Hi, I’m **Prakash Singh** — Backend & Fullstack Developer *SDE-1 @ Vast Edge (US-based IT Company) | Ex–Backend Engineer Intern @ Forescribe | Fullstack Developer @ Right Path Predictor | Building Scalable, Secure & Production-Grade Systems* I’m a backend-focused developer who enjoys building **secure, scalable, and high-performance systems**. From optimising APIs on **10M+ records**, to improving platform security by **40%**, to building full-stack platforms used by **real users**, I love turning complex problems into clean, reliable solutions. ## 🧠 What I Do ### **Backend Engineering (Core Strength)** * Designed and optimized APIs with **Node.js, Express, NestJS & Golang** * Reduced query complexity from **O(N) → O(log N)** with indexing * Implemented **RBAC**, rate limiting & fixed critical vulnerabilities * Integrated enterprise systems with **AWS**, **Azure**, and cloud storage flows * Automated pipelines like **S3 backups every 6 hours** ### **Fullstack Development** * Built a full-stack job-matching platform for **daily-wage workers** * Experience with **React, Next.js, Tailwind** and end-to-end API workflows * Implemented payments (Razorpay), media uploads (Cloudinary), and real-time UX patterns ### **Cloud, Infrastructure & Integrations** * Integrated AWS (S3, EC2), Azure services, Redis caching * Worked on secure file uploads, email automation, and alert systems * Reduced production issues using structured, scalable backend patterns ## 💼 Experience Snapshot ### **SDE-1 — Vast Edge (US-Based Cloud & Data Company)** * Working on backend services, cloud workflows, API development & optimisation * Collaborating on enterprise-scale systems for US clients * Enhancing product performance and reliability through backend improvements ### **Backend Engineer Intern — Forescribe (Fintech B2B SaaS)** * Implemented RBAC, rate limiting & fixed security issues (**+40% improvement**) * Integrated AWS & Azure for cloud automation * Optimized transaction-heavy APIs to **ms-level latency** on **10M+ records** * Built financial alerting systems for 100M–1B thresholds ### **Fullstack Developer Intern — Right Path Predictor** * Built a job-matching platform for daily-wage workers * Developed APIs, dashboards, and user workflows end-to-end * Automated secure document uploads using pre-signed S3 URLs ## 💡 Technical Arsenal **Languages:** JavaScript, TypeScript, Golang, C++, SQL **Backend:** Node.js, Express, NestJS, Golang (Gin) **Frontend:** React, Next.js, Tailwind **Databases:** MongoDB, MySQL, Redis **Cloud:** AWS (S3, EC2, Lambda), Azure, Cloudinary **Dev Tools:** Docker, Postman, GitHub, CI/CD **Specialties:** API Design, System Design Basics, Authentication, Cloud Integrations, Security, Performance Optimization ## 📫 Let’s Connect 📧 **[pa7846665@gmail.com](mailto:pa7846665@gmail.com)** 🌐 Portfolio: **coderunner007.netlify.app** 🔗 LinkedIn: **linkedin.com/in/prakash-code-runner/** 💻 GitHub: **github.com/Prakash333sing**