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Harshit Saini

@harshitsaini

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I'm a Software Engineer based in India with experience in scaling backend systems.

India

Message

What I'm looking for

5+ years of experience in developing backend and data intensive applications.
Designed Python and Golang based microservices that scale to serve 16 million monthly active users.
Designed and scaled Redis to handle 1 million Queries per second.
Designed Mysql databases that scale to handle more than 5 million Queries per hour.
Designed authentication and authorization flows using OAuth2.0, OpenIDConnect, JWS, JWE and AWS Cognito.
Designed multi environment Kubernetes clusters over AWS EKS that handle multiple microservices, load balancers and databases.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer - Backend

Current

Self Employed

Nov 2022 - Present (2 years 7 months)

- Developed a cross platform password manager from scratch.
- Developed a full stack construction management platform from scratch.

Backend Development Cross Platform Development Security Engineering Software Architecture Python SQL JavaScript AWS Kubernetes Golang Docker

Software Developer Engineer - Backend

Turing

Apr 2022 - Nov 2022 (7 months)

- Designed online batch feature processing and retrieval to run under 100ms with a speedup of 300x.
- Implemented turing's python logging library used by multiple microservices and ETL pipelines.
- Designed Data-warehouse to achieve ease of data management, ETL task idempotency and robust
data re-indexing.

Backend Development Performance Optimization Python Logging Data Warehousing ETL Microservices Golang Airflow Cython Numba C++Docker Kubernetes

Software Developer Engineer - Backend

Widas Group

May 2019 - Aug 2021 (2 years 3 months)

- Led fraud detection and prevention team.
- Designed microservices and ETL pipelines that scale to serve 16 million monthly active users.
- Implemented Cidaas terraform provder using Golang.
- Led Image processing research for detection of Diabetic retinopathy.

Backend Development Microservices ETL Golang Fraud Detection Image Processing Research Python SQL MySQL C++Cython Numba

Software Developer Engineer - Backend

Dstreet Finance

Mar 2018 - Jan 2019 (10 months)

- Designed APIs based on Algorithmic trading.
- Designed and implemented Implemented an HFT engine over AWS cloud.
- Designed and implemented pipelines for data wrangling, web scraping/crawling and machine learning.