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ujjwal-ab/README.md

Hi πŸ‘‹, I'm Ujjwal Abhishek

Full-Stack Developer | React & Node.js Specialist | Scalable Systems Enthusiast

Typing SVG


πŸ§‘β€πŸ’» About Me

  • πŸ’Ό Full-Stack Developer @ IBM India Software Labs
  • 🧠 3+ years building scalable frontend & backend systems
  • πŸ” Ex-SDE @ RudderStack (Event pipelines, cloud integrations, testing frameworks)
  • πŸ›  Love architecting robust solutions, from React UIs to event-driven backends
  • 🧩 Passionate about clean code, low-latency systems, and developer productivity
  • πŸš€ Solved 250+ DSA problems, author of 40+ CS articles

πŸ› οΈ Tech Stack

πŸ’» Languages

JavaScript TypeScript Go C++ Java Python SQL

🧩 Frontend

React.js Redux Bootstrap HTML5 CSS3 Tailwind jQuery

πŸ”§ Backend & APIs

Node.js Express.js GraphQL REST APIs JWT Auth Kafka Redis

☁️ DevOps / Cloud

Docker Kubernetes Openshift CI/CD (Jenkins/GitHub Actions) Linux

πŸ—„οΈ Databases

MongoDB PostgreSQL MySQL

πŸ§ͺ Testing & Monitoring

Jest Playwright Supertest Prometheus Grafana

🎨 Others

Figma VS Code Git GitHub Jira


πŸ”§ I Work With


πŸ’Ό Experience

🏒 Software Developer – IBM ISL

πŸ“ Kochi | πŸ—“οΈ Jan 2024 – Present

  • 🧠 Built GenAI-based Spec Builder for API parsing (100+ endpoints)
  • 🧊 Designed Claim Check Pattern to reduce memory by 95% (S3, Dropbox)
  • 🧬 Enabled versioning in connector SDK for 5+ parallel versions
  • πŸ”Œ Enhanced API testing workflows & UI test coverage (100% via React Testing Library)

🏒 Software Engineer – RudderStack

πŸ“ Bengaluru | πŸ—“οΈ Jun 2022 – Dec 2023

  • βš™οΈ Optimized ETL pipelines with batching & caching
  • πŸ’» Built React + TypeScript UIs for integration config
  • 🌐 Integrated 20+ platforms (Snapchat, Mixpanel, Klaviyo, GCP)
  • πŸ§ͺ Created a Node.js testing framework (Jest, Supertest, Playwright)

πŸš€ Featured Projects

A React app for visualizing sorting algorithms with interactivity
Tech: React, JavaScript, CSS
βœ”οΈ Designed for beginners | Customizable UI

Modern, responsive portfolio to showcase my projects & skills
Tech: React, Tailwind CSS, Framer Motion


πŸ† Achievements

  • πŸ₯‡ Sprint Champion @ IBM & RudderStack (multiple quarters)
  • 🧠 HackWithInfy Finalist – Top 100/150K participants
  • ✍️ 40+ CS Articles @ workat.tech
  • πŸ’‘ Solved 250+ DSA problems @ LeetCode

πŸ“¬ Connect with Me


πŸ“ˆ GitHub Stats


🧩 Bridging frontend elegance with backend power β€” one commit at a time.

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  1. rudderlabs/rudder-transformer rudderlabs/rudder-transformer Public

    Open-source, warehouse-first Customer Data Pipeline and Segment-alternative. Collects and routes clickstream data and builds your customer data lake on your data warehouse.

    TypeScript 86 122

  2. rudderlabs/rudder-sdk-js rudderlabs/rudder-sdk-js Public

    JavaScript SDK for RudderStack - the Customer Data Platform for Developers.

    TypeScript 159 90

  3. Code-pen-clone Code-pen-clone Public

    JavaScript 1

  4. planetFashion planetFashion Public

    HTML 1

  5. Sorting-Visulaizer Sorting-Visulaizer Public

    JavaScript 1