Summary
Overview
Work History
Education
Skills
Interests
Accomplishments
Timeline
Mayank Kumar

Mayank Kumar

Senior Software Engineer II
Bangalore

Summary

Results-driven Data Engineer with 9+ years of experience in building scalable, automated data pipelines, ETL workflows, and analytics platforms across AWS and GCP. Expertise in designing data models, optimizing performance, and enabling data-driven decision-making. Adept at bridging engineering and analytics teams to deliver business-critical data products with high reliability and speed.

Overview

9
9
years of professional experience
2
2
Languages

Work History

Senior Software Engineer II

Rakuten India Enterprise Pvt. Ltd.
04.2025 - Current

Coveach System:

  • Established secure logging and auditing frameworks.
  • Led team in PostgreSQL HA setup utilizing Patroni, etcd, and HAProxy for enhanced availability.

Innovation and Facilitation:

  • Leveraged ChatGPT and Cursor AI to expedite code review and enhance development efficiency.
  • Developing AI Dashboard Generator chatbot to extract insights and create dashboards from data leveraging gpt 4.0

Senior Data Engineer I

Rakuten India Enterprise Pvt. Ltd.
10.2021 - 03.2025

Key Projects:
Vena – Marketing KPI Platform:

  • Built Conversion Metrics KPI dashboard for 290+ clients.
  • Enhanced data verification workflows to ensure high reliability.
  • Enabled automated sql linting to enhance the readability and syntax validation.

MVP (Marketing View Premium):

  • Engineered end-to-end backend for 13 analytical dashboards (Sales, Pricing, Market, and Customer Analysis).
  • Built 13 ETLs, 14 APIs, 14 Cloud Functions, and CI/CD pipelines using Terraform and Cloud Build.
  • Developed Customer Nurturing recommendation system leveraging predictive analytics for upsell targeting.
  • Created scalable data pipeline on GCP (data ingestion → transformation → prediction → visualization).

MIS-Infra:

  • Created Grafana dashboards monitoring disk, pod, and node metrics across all environments.
  • Improved system visibility and performance monitoring.

GenEye (AI Conference Project):

  • Developed backend APIs for Admin and Security modules of GenEye for 3AI Conference launch.

Data Engineer

Zoomcar India Pvt. Ltd.
02.2020 - 10.2021
  • Built and maintained data pipelines using AWS Lambda, SQS, Redshift, Athena, Kafka.
  • Automated analytics workflows for real-time insights and ML feature pipelines.
  • Fuel Efficiency: Computed trip-level mileage using telematics data.
  • Engine Seizure Prevention: Developed predictive model to avoid engine failures.
  • Daily Calling Priority: Automated user prioritization reports for sales outreach.
  • Churn Lifecycle Migration: Migrated workflows from Redshift to Athena, improving speed and cost efficiency.
  • Driver Score MVP: Rearchitectured driver scoring for partners like ETO and Porter.

Systems Engineer

Tata Consultancy Services
09.2016 - 01.2020
  • Designed and implemented ETL pipelines using Informatica, Teradata, Oracle, SQL Server.
  • Migrated legacy systems from COBOL & DB2 to Informatica-based platforms.
  • Automated manual ETL workflows reducing human intervention and errors.
  • Delivered BI-ready data marts for insurance product analytics.
  • Implemented Slowly Changing Dimensions (SCD Type 2) and optimized data pipelines.

Education

Bachelor of Technology - Computer Science & Engineering

JK Institute of Applied Physics & Technology, Prayagraj, India
01.2016
  • GPA: 70.19%

Skills

Cloud Platforms: GCP, AWS

Interests

Chess and Drawing

Accomplishments

  • Rakuten India (2021–Present) – Recognized multiple times for outstanding performance, ownership, and high-quality deliveries across strategic data projects.
  • Zoomcar (2020–2021) – Awarded Best Team Player and appreciated for initiative and delivery excellence on data platform initiatives.
  • Tata Consultancy Services (2016–2020) – Received On-the-Spot Award for exceptional contribution to data migration and performance optimization projects.

Timeline

Senior Software Engineer II - Rakuten India Enterprise Pvt. Ltd.
04.2025 - Current
Senior Data Engineer I - Rakuten India Enterprise Pvt. Ltd.
10.2021 - 03.2025
Data Engineer - Zoomcar India Pvt. Ltd.
02.2020 - 10.2021
Systems Engineer - Tata Consultancy Services
09.2016 - 01.2020
JK Institute of Applied Physics & Technology - Bachelor of Technology, Computer Science & Engineering
Mayank KumarSenior Software Engineer II