Skip to content
View piyush1856's full-sized avatar
💭
Actively looking for job
💭
Actively looking for job

Highlights

  • Pro

Block or report piyush1856

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
piyush1856/README.md

Hi 👋, I'm Piyush Tyagi

banner

Backend Software Engineer | GenAI Engineer | Python & Java Developer | Problem Solver 🚀


🚀 About Me

I'm a passionate Backend Software Engineer specializing in high-performance APIs, distributed systems, and AI-driven backend development. With 2+ years of experience building scalable, fault-tolerant systems using Python, Java, and cloud architecture.

  • 💻 Currently building B2B e-commerce microservices at WizCommerce using Python FastAPI, optimizing search with Elasticsearch and handling 1M+ records at scale.

  • 🤖 Previously led backend development for Fynix AI coding assistant, improving codebase indexing by 90%+ through embedding optimization and vector database tuning.

  • 🏗️ Built production-grade systems from 0 → 1 at early-stage startups, improving throughput by 70-80% and reducing latency by 80%.

  • 🏓 Represented state-level U16 in table tennis—discipline & competitiveness fuel my engineering journey.


🛠️ Tech Stack

Programming Languages

Java Python JavaScript SQL

Frameworks & Libraries

Spring Boot FastAPI LangChain LangGraph

Databases & Messaging

PostgreSQL MySQL Redis Elasticsearch RabbitMQ Kafka

Cloud & DevOps

AWS GCP Docker Kubernetes

AI & ML

OpenAI Vector DB RAG


💼 Experience

🚀 Software Development Engineer I

WizCommerce (Oritur Technologies Pvt Ltd) | Sep 2024 — Present

  • Developed and maintained Python FastAPI microservices for B2B e-commerce platform
  • Improved Elasticsearch search with fuzzy search and relevance scoring
  • Optimized high-traffic APIs reducing latency by 80% and increasing throughput by 35%
  • Built Payment Terms module with dynamic configurations
  • Implemented parallelized batch migration pipeline handling 1M+ records at 1000+ docs/sec

Tech Stack: Python, FastAPI, PostgreSQL, Elasticsearch, Redis, AWS


🤖 Software Development Engineer I (GenAI)

Fynd (Shopsense Retail Technologies Ltd) | Feb 2024 — Aug 2024

  • Led backend development for Fynix AI coding assistant with IntelliJ and VS Code extensions
  • Improved codebase indexing by 90%+ through embedding optimization and vector database tuning
  • Designed modular ETL pipelines for GitHub, GitLab, Azure DevOps, Quip, Google Docs, and BigQuery
  • Engineered large-scale data ingestion for Stack Overflow and public GitHub datasets
  • Built intelligent workflow using LangChain and LangGraph

Tech Stack: Python, Java, Kotlin, LangChain, LangGraph, Vector DB, OpenAI, Claude


💡 Backend Developer (Founding Team)

Growder Technovations & Ompax Lifestyle Pvt. Ltd. | Mar 2023 — May 2024

  • Engineered high-performance backend architectures across two early-stage B2B platforms
  • Designed Order Management System improving throughput by 70-80%
  • Built production-grade User Management with JWT authentication and RBAC
  • Developed reusable APIs for Shiprocket, Shopify, and payment gateway integrations
  • Automated warehouse, logistics, and design workflows reducing manual dependencies significantly

Tech Stack: Java, Spring Boot, MySQL, PostgreSQL, Elasticsearch, AWS, RabbitMQ


💻 Notable Projects

  • Fynix AI (https://fynix.ai): AI-powered coding assistant with IDE extensions, RAG, and vector databases
  • WizCommerce Platform: B2B e-commerce microservices handling 1M+ records with optimized search
  • Inpackaging (https://inpackaging.com): B2B e-commerce backend with Order Management System
  • Growder (https://growder.com): Full-featured materials marketplace with microservice architecture
  • User Management System: RBAC + JWT-based user control with production-grade security
  • Order Management System: Scalable backend with payment API integration and workflow automation

📈 GitHub Stats


🎓 Education

🎓 Master of Computer Applications (MCA)
Machine Learning and Artificial Intelligence
Amity University, Noida | 2025

🎓 Data Science and Machine Learning Certification
Scaler DSML | 2025

🎓 Full Stack Web Development Certification
Masai School, Bengaluru | 2023

🎓 Bachelor of Business Administration (BBA)
Birla Institute of Technology, Mesra | 2020


🏅 Achievements & Skills

  • 🧠 Solved 300+ coding problems across LeetCode, Codeforces
  • 🚀 Built products from 0 → 1 at multiple early-stage startups
  • 📊 Expertise in Backend Development, Microservices, AI/LLM Systems
  • 🔧 Strong in System Design, API Optimization, Database Tuning
  • ☁️ Hands-on experience with AWS, GCP, Docker, Kubernetes

🤝 Connect With Me



Pinned Loading

  1. machine-learning-algorithms machine-learning-algorithms Public

    Jupyter Notebook

  2. Business-Case-LoanTap-Logistic-Regression Business-Case-LoanTap-Logistic-Regression Public

    Jupyter Notebook

  3. Jamboree_Education---Linear_Regression Jamboree_Education---Linear_Regression Public

    Jupyter Notebook

  4. Business-Case-Yulu---Hypothesis-Testing Business-Case-Yulu---Hypothesis-Testing Public

    Jupyter Notebook

  5. piyush1856-Business-Case-Delhivery---Feature-Engineering piyush1856-Business-Case-Delhivery---Feature-Engineering Public

    Jupyter Notebook

  6. Business-Case-Aerofit---Descriptive-Statistics-Probability. Business-Case-Aerofit---Descriptive-Statistics-Probability. Public

    Jupyter Notebook