Software Engineer · Data Engineering

7+ Years of Building with Python, Data and AI, not just deployed.

Hi, I'm Vishvajit Rao, a software and data engineer with 7+ years of experience building scalable applications, APIs, data pipelines, and AI-powered solutions. I primarily work with Python, databases, cloud technologies, and modern AI tools to turn ideas into reliable, production-ready products.

View My Work View Resume
FRAME 01 / SELF
7yrs
Building Products
20+
Projects shipped
12
Long-term clients
5
Products launched solo

About

Software Engineer,
Data Engineering, AI Solutions.

I'm Vishvajit Rao, a software and data engineer with 7+ years of experience building scalable software solutions, data pipelines, APIs, and AI-powered applications. I enjoy solving complex problems, designing reliable systems, and turning ideas into practical, production-ready products.

My core expertise spans Python, backend development, databases, data engineering, cloud technologies, and AI. I’m always exploring new technologies and building products that are useful, scalable, and easy to maintain.

Python & Backend

Building robust backend systems, APIs, automation tools, and scalable applications using Python.

AI & GenAI

Exploring AI, LLMs, and intelligent applications to build smarter and more automated solutions.

Data Engineering

Designing data pipelines, ETL workflows, data processing systems, and cloud-based data solutions.

Cloud & Databases

Working with cloud services, SQL/NoSQL databases, data storage, and scalable cloud architectures.

Experience

My Work Experience.

Frame 04

HCLTech — Data Engineering | BlackRock Client

9 April 2025 — Present
  • Engineered and automated end-to-end dataset onboarding workflows on BlackRock Aladdin Data Cloud (ADC) across Snowflake and Aladdin Studio, ensuring seamless integration of new datasets into the enterprise data ecosystem.
  • Developed a Streamlit-based SQL query platform enabling teams to execute and analyze ad-hoc queries across 100+ BlackRock Snowflake accounts, significantly simplifying cross-account data exploration and reducing manual operational effort.
  • Designed and developed an end-to-end Streamlit-based AI Agent to automate production release checkout/validation, integrating AI-driven analysis with existing release workflows to improve operational efficiency and reduce manual verification.
  • Developed a Python-based Schema Drift Detection and reporting framework across 100+ BlackRock Snowflake accounts, automating identification of schema changes and improving data quality, consistency, and governance.
  • Engineered an automated ADC Metadata Drift reporting solution across 100+ BlackRock Aladdin Studio environments, detecting metadata inconsistencies and providing actionable reports for data governance and platform reliability.
  • Implemented end-to-end dataset onboarding automation for BlackRock EDP using Apache Airflow, designing workflows for data ingestion, validation, dependency management, and operational monitoring.
  • Built reusable Python automation frameworks for enterprise-scale data-platform operations, replacing repetitive manual processes with scalable and maintainable solutions.
  • Collaborated with data engineering, platform, and application teams to troubleshoot dataset onboarding, schema/metadata inconsistencies, SQL execution, and production deployment issues within BlackRock's data ecosystem.
Frame 03

Data Engineer - BluEnt eSolutions Pvt Ltd, Delhi

22 July 2022 - 7 April 2025
  • Build a Python, PySpark Data pipeline to ingest data from Teramind REST API to SQL Server database.
  • Design an AWS Quicksight Dashboard to represent the employee’s activity and performance within an organization.
  • Build an ETL solution to ingest data from Zoho Book REST API to the Snowflake data warehouse for BI tool ( Amazon QuickSight ).
  • Developed and maintained a Data pipeline to ingest data from different flat files ( CSV ) using PySpark, S3, Lambda, SES, and EC2 Instance.
Frame 02

Python Developer - Nuage Biz Tech, Noida

Feb, 2021 - July, 2022
  • Developed a flexible, scalable, and robust RESTAPIs which capable of handling millions of hits using Python FastAPI web framework.
  • Implemented AWS Cognito for user sign-in and sign-up operations.
  • Used AWS S3 service to upload files on the S3 storage.
  • Implemented AWS SES service to send an email on different-2 actions.
  • Integrate Stripe Payment gateway to accept online payment.
  • Implemented SQLAlchemy ORM ( Object Relation Mapping ) to make communication between application and database
  • Implemented Azure AD for user login and sign-up operations.
  • Used MS azure blob storage service to upload files on the Azure blob storage.
  • Application is deployed on Azure Function ( Serverless Computing ).
Frame 01

Python Developer - Jiyo India, Noida

Oct, 2019 - Feb, 2021
  • Developed flexible, scalable, and robust RESTAPIs which are capable of handling millions of hits using Python Django and Django rest framework
  • Used AWS RDS Postgres Database as a database in this application.
  • Used boto3 Python SDK (Software development kit) to access AWS services.
  • Used Django and Django rest Framework to build APIs that that capable of handling millions of hits at a time.
  • Integrate third-party APIs ( Sokin ) to get data.
  • Implemented AWS S3 service to upload files on the S3 storage.

Some of My Side App

These useful tools developed by me as side project.

Snappy Calc

SnappyCalc - Online Calculators

A web based online calculator where you will get almost 100+ online calculators that will work in your browser.

Web Application
Visit Site
ImgBit

ImgBit - A Online Image Tools

A web based online application that provides image utilities that will mostly work in your browser.

Web Application
Visit Site
HeightCompare.Online

Height Compare - Online Height Compare

A online tool where you can compare height of any persons, objects in a visual way

Web Application
Visit site
SnappyCalc

SnappyCalc - Android App

A android application where you will get Financial Calculators, Health Calculators and Daily useful calculators such as date calculator, age calculator, date difference calculator, etc

Android Application
Visit App Privacy Policy
HeightCompare.Online

VitaCalc - A Health Calculator Android App

A android app which provides health calculators like BMI, BMR, Pregnancy Due Date, Water Intake, etc

Android Application
Visit App Privacy Policy

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Toolkit

Equipment on the shelf.

LANGUAGES & FRAMEWORKS

Python Streamlit Langchain Generative AI Vector Database RAG Django Redis Django Celery Pandas PySpark FastAPI Flask Python SQL MySQL Data Warehouse Snowflake ASW S3 ASW EC2 ASW SES ASW SQS ASW Lambda ASW Glue ASW RDS ASW RDS Digital Ocean Docker

Get in touch

Connect with Me?

If you want to connect with me, you can send a mail in this provided email address, Thanks.

vishvajitrao.dev@gmail.com