Varun Rustagi Email & Phone Number

Gurugram, Haryana, India

Research and development towards state-of-the-art Gen AI and LLM technologies and collaborating with teams to optimize business products.

Delhi, India

- Implementing a techstack for a manufacturing startup, from building a webpage and customer dashboard in ReactJS to integrating both third-party (Xano) and a NodeJS backend.- Data analysis in Python

Delhi, India

• Handling multiple services across a Spring Boot backend: Truecaller and Google logins, referrals, KYCs, API authentication, notifications, payment gateway integrations and event-creation for a seed-funded gaming startup.
• Gaining extensive experience working on AWS EC2, Lambda, Cloudwatch, RDS, S3, SQS and MSK as well as configuring and deploying with Jenkins
• Performing advanced level tasks with respect to PostgreSQL and MongoDB, including complex aggregations, indexing and optimizations, both within Java and natively.
• Working with closely knit team of frontend and backend developers in a fast-paced startup environment, learning how to perform tasks swiftly and efficiently, and be actively involved in the decision making for eg..

Gurugram, Haryana, India

• Developing RESTful APIs in Java and Node.js, handling backend implementations of authentication, caching,encryption-decryption, scheduling and other practical requirements pertaining to user experience.
• Deploying APIs on Bitbucket using Git.
• Managing databases such as MySQL, MongoDB, Kafka and Redis and linking them with the APIs
• Working in an engaging workspace with a full team of appliation developers, devOps, QAs, and managers
• Essential Skills: Java (Spring Boot), Node.js, SQL, Redis, Kafka, Git, JUnit, Jira, Python, VSCode

Groningen, Netherlands

• ”Caustic Skeleton of the Cosmic Web” with Prof. Rien van de Weygaert and Prof. Gert Vegter.
• Data: Wrote a Python code to utilise the data from the Aquila consortium, a Bayesian inference model of our universe, and reconstruct our universe on the largest scales.
• Simulations: Navigated state-of-the-art codes pertaining to the universe and manipulated their details and extract information fromthem. For instance, used GADGET to build a 3-D simulation of the universe and NEXUS+ to.
• Implemented a catastrophe theory inspired code to visualize the complex and dynamic interactions between the structures in the universe.
• Essential Skills: Numerical algorithms, advanced mathematics and physics, visualisation, planning, teamwork and communication.

Chennai, Tamil Nadu, India

• ”Testing of General Relativity Using PK Parameters Obtained Through Timing of Binary Pulsars” with Dr. Manjari Bagchi
• Studied astronomical objects called Pulsars and used ”mass-mass equations” to test verifications of Einstein’s General Theory of Relativity
• Demonstrated that higher order approximations will be relevant for future binary pulsar systems consisting of black holes.

Master Of Science - Ms, Physics, 5.24/6.00

Major: Theoretical Physics ”Robustness of FRLW Consistency Relations under Inhomogeneities” with Prof. Ruth Durrer • Utilized a series of.

Phd, Astronomy And Astrophysics

Spent a year working as a researcher applying the complex mathematical theory of differential geometry and catastrophes to the cosmic web.

Bachelor Of Technology, Engineering Physics, 71.87%

Bachelor Thesis at Delhi Technological University, Delhi • ”A Modified Luneburg Lens Based on Metamaterials with Beam Shaping and Scanning.

Aissce, Class Xii, Science