🔹 Name: Sarthak Rastogi
🔹 Education: B.Tech in Computer Science @ AKGEC, Ghaziabad
🔹 SGPA: 8.27
🔹 Location: Ghaziabad, Uttar Pradesh, India 🇮🇳
🔹 Interests: Distributed Systems, Backend Architecture, Production-Grade Microservices
🔹 Current Focus: System Design, Observability, Scalable Backend Engineering
🔹 Fun Fact: I used to hate coding till class 11th — now I architect distributed systems 😄
Codehop Interfusion Pvt Ltd (Oct 2024 – Feb 2025) · Remote
- Designed a config-driven authentication system handling login flow including request validation, client identification, runtime-loaded security config, username-password authentication, 6+ failure scenarios, attempt-based account locking, access/refresh token generation, password expiry enforcement, security context setup & login audit persistence.
- Redesigned Learning XP scoring engine using 8+ performance parameters (response time, correctness ratio, streaks, difficulty weighting, daily activity, repeated vs new questions) with exponential penalties for wrong attempts — enabling gradual skill-based progression.
- Built an audit-based notification system covering 6 high-priority security & transaction events.
- Implemented thread-safe in-memory caching for authentication configs & lookup data to reduce repeated DB calls.
- Wrote JUnit & Mockito tests for user account services — achieved ~90% test coverage.
Software Incubator (SDC-SI) (Sep 2023 – Nov 2023) · On-site
- Led backend development for a Canteen Management System (Spring Boot, JWT, PostgreSQL, Razorpay).
- Implemented authentication, authorization, exception handling, pagination, caching, validation & multi-environment configuration.
- Worked in a 45-member collaborative development environment using Git & structured workflows.
- Built a GTA-style game clone in a 2-member team (core mechanics & gameplay logic).
- Developed a Flappy Bird game independently (collision detection, scoring logic).
- Designed a personal portfolio website (HTML, CSS, JS).
(Feb 2026 – Present)
- Engineered a production-grade distributed banking platform using Spring Boot & Spring Cloud.
- Implemented API Gateway, Eureka Service Discovery, Centralized Config Server & Load-Balanced Feign communication.
- Built distributed Correlation ID tracing for real-world observability simulation.
- Designed multi-environment Docker deployment (default / qa / prod).
- Applied clean layered architecture, DTO mapping, audit logging, exception strategy & environment isolation.
(May 2025 – Aug 2025)
- Built a scalable marketplace platform with Customer, Seller & Admin dashboards.
- Designed smart search, cart system, order lifecycle tracking & recommendation logic.
- Developed Seller analytics dashboard with sales reports & inventory management.
- Engineered Admin governance panel (seller control, category management, offers).
- Integrated secure transaction workflows & structured backend architecture.
- Full-stack platform with buy/sell, portfolio tracking & transaction history.
- Integrated CoinGecko API for live market data.
- Implemented Spring Security + JWT with 2FA.
- Integrated Razorpay & Stripe payment gateways.
- Built AI-powered assistant using Gemini API.
- Role-based backend with JWT authentication.
- Transaction lifecycle pipeline (cart → order → payment).
- Razorpay integration with server-side verification.
- ACID-compliant relational schema design.
Spring Boot · Spring Cloud · Eureka · Gateway · OpenFeign · Resilience4j · RabbitMQ · OAuth2 · JWT · Maven · Swagger · Docker · Distributed Tracing
- ✅ 348+ problems on GeeksforGeeks
- ✅ 229+ problems on LeetCode
- ✅ 155+ problems on CodeChef
- ⭐ 2⭐ CodeChef Rating
- ✍️ 6 Backend Engineering Articles on Medium
