Dinesh Pabbi ( AWS Certified Cloud Practitioner )

               Email: dineshpabbi10@outlook.com | Phone: 604-720-6201 | Profile: LinkedIn | Leetcode : Leetcode

EXPERIENCE

Workday | SDE-3                                                                                                                 February 2023 - Present

• Reduced data processing costs by 40% by introducing custom-built platform on Kubernetes using Ray & RayDP for Spark workloads and moving away from Databricks
• Optimized data pipelines handling hundreds of terabytes scale, cutting runtimes by up to 60% using concurrency and Pyspark optimizations
• Enhanced recommendation service performance by implementing React-based UI with  recommendation pills, a FastAPI microservice, and Redis caching, reducing latency by 30% for over 1 million daily hits.
• Led the migration from Airflow to Dagster and significantly reduced development time by creating a standardized tooling using custom built CLI & Docker.

SAP Canada | Software Developer Specialist        May 2020 - February 2023

• Acted as a lead developer for a project used to track security compliance of SAP's software products across jurisdictions reducing compliance exercise duration by more than 60% .
• Lead 3 junior developers and pioneered a new back-end application in Spring Boot and introduced in-memory cache with GraphQL for quicker read ops (around ~30% improvement).
• Re-wrote front-end applications in Angular & React from scratch improving responsiveness by 40% by reducing network calls by almost 50%.
• Designed a mechanism to off-load read/write traffic from a HANA DB Server to PostgreSQL while ensuring eventual consistency

The University of British Columbia | Research Assistant                                                                 January 2020 - May 2020

• Assisted collection and processing of data-set containing 1.5 billion (about 5 TB) tweets in 100+ languages.
• Used Apache spark to perform big-data analysis and generate visualizations on collected data-set recording changes in trending keywords, sentiment etc. across countries during COVID-19
• Successfully published our research (Mega-Cov) in ACL anthology (Link)

Other Experience

Freelance  | Full Stack Developer, Platform Engineering                                                                                                   

• Built a custom CRM solution for a small home maintenance business using Angular, Postgres, NestJs and K3s based custom kubernetes cluster on Hetzner Cloud
• Implemented in-house LLM based invoice search using Ollama, PgVector and LangChain
• Reduced infrastructure costs by moving databases (CloudNativePg), RabbitMQ (K8s Operator) and GPU workloads from AWS to K3s based custom kubernetes cluster (GPU-Operator) on Hetzner bringing the costs down by almost 70%

Founder, Elasbot | Chat-bot widget service for websites                                July 2020 - March 2021

(Angular, Django, RASA, AWS, Firebase, Postgres)      

• Developed a conversational AI platform startup to easily design and integrate smart chat-bot widgets into any website.
• Designed a real-time notification and chatting system for human based fallback interaction.
• Implemented web dashboards enabling users to train models, upload datasets, view chat history and analytics.
• Enabled continuous integration with Github Actions with AWS EC2 as deployment platform

EDUCATION

The University of British Columbia                                                                                                     Vancouver, British Columbia

Masters in engineering (ECE) , GPA - 3.73                           September 2019 – May 2021

RELEVANT SKILLS

Programming Languages : , JavaScript, Java, Python, Typescript

Web :  ReactJs, React Native, Angular, GraphQL, Spring Boot, Django, ExpressJs, Flask, SAP XSJS, FastAPI

DevOps : AWS, Cloud Foundry,, Docker, Kubernetes, Jenkins, Github Actions, CloudNativePG,

ML/DL : Langchain, Ollama,  PyTorch, Keras, PySpark, Pandas, NumPy , Matplotlib

Other :  JUnit, Linux, Selenium, Postgres, SQLServer, Websockets, Redis

PERSONAL ACHIEVEMENTS

Publication - Mega-COV :  A Billion-Scale Data-set of 100+ Languages for COVID-19 (Link)

Runner up - Micro Project Challenge : Developed an intern attendance gamification platform at SAP to increase virtual participation during pandemic