# Harjit Singh

> Principal Engineer (AI & SaaS) | Driving AI Innovation across Tessell DBaaS | Founding Engineer | Ex-Nutanix, Rubrik, Flipkart

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/harjitsingh

With 15 years of experience, I lead AI-driven initiatives at Tessell, enhancing our DBaaS offerings. I have a proven track record in delivering scalable, secure, and cost-efficient AI and SaaS solutions, leveraging expertise across AWS, Azure, and GCP. Notably, I reduced our SaaS costs by 90%, optimizing infrastructure and operational processes.

I specialize in cloud-native architectures, microservices, and AI integration, driving innovation across various domains. My technical expertise spans Python, Java, Go, and databases like Oracle, MySQL, and MongoDB. I work closely with cross-functional teams to solve complex business challenges through intelligent, high-performance systems.

As a Principal Engineer, I mentor engineers, align technology with business goals, and foster a culture of innovation and excellence in a fast-paced startup environment.

## Work Experience
### Principal Engineer @ Tessell
Jan 2021 – Present | California, United States
I lead the Security & Governance platform. I have designed, developed, and managed containerized Restful microservices and DBaaS for various purposes, including:

* Milvus Database as a service on Tessell Cloud Platform
* MongoDB as a service on Tessell Cloud Platform.
* Identity & Access management system, covering AuthN, AuthZ, JWT, and SSO (using Okta, AD, and Google)
* User profiles and API keys
* Encryption at rest for AWS and Azure cloud
* Network service to manage VPCs, VNET, Peering & Private links
* Secret store to store product secrets
* Cloud accounts management
* Service plans engine
* Feature flags engine
* Apps engine
* SSL certificate management
* Compute shapes management
* DB Governance
* Open API Specifications

### Staff Engineer @ Nutanix
Jan 2019 – Jan 2021 | Bengaluru, Karnataka, India
* Worked on data protection and provisioning of Oracle Database using NDB on Nutanix Platform.
* Worked on MongoDB data protection using NDB on Nutanix Platform.

### Software Engineer(L5) @ Rubrik, Inc.
Jan 2017 – Jan 2019 | Bengaluru, Karnataka, India
* Led a team of six engineers.
* Designed database provisioning platform agnostic to OS and Database Engine. 
* Integrated Rubrik with enterprise applications and databases, including Oracle and NAS.

### SDE-2 @ Flipkart
Jan 2014 – Jan 2017 | Bengaluru Area, India
* Developed data ingestion(ETL) pipeline for Filpkart's Rich Product Description.
* Integrated various file formats(JSON, XML) into the product ingestion pipeline.  
* Developed a framework for Android app automation using Google's Espresso framework.

### Senior Member Technical Staff @ Oracle
Jan 2012 – Jan 2014 | Bangalore
* Developed an Oracle database backup and recovery orchestration platform for Oracle Cloud.
* Developed a code convertor framework to convert 100s of existing legacy code files to support pluggable database features.
* Worked on Oracle Database 12c's marquee pluggable database feature.
Workef on Oracle Zero Data Loss Recovery Appliance(ZDLRA). 
* As a team leader, led a team of two members

### Software Engineer @ United Online
Jan 2010 – Jan 2012
* Managed hundreds of Oracle, PostgreSQL, and MySQL databases for the mypoints.com and classmates.com websites. 
* Managed backup and recovery, database installations, patching, character set conversion, and monitoring database health.
* Developed a tool to regularly monitor the health of the databases. The tool also compared the database configurations across QA, Stage, and Prod databases.


## Education
### B.Tech in Computer Science
National Institute of Technology Warangal


## Contact & Social
- LinkedIn: https://linkedin.com/in/harjitsinghnitw

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Source: https://flows.cv/harjitsingh
JSON Resume: https://flows.cv/harjitsingh/resume.json
Last updated: 2026-04-12