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. handling the migration of the entire backend to Docker and Kubernetes.

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 analyse the various components of the universe.• 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.

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