# Joel Marvin Tellis

> Software Engineer in Healthcare

Location: New York, New York, United States
Profile: https://flows.cv/joelmarvintellis

I am a passionate and skilled software engineer with a Master's degree in Computer Science from NYU-Courant and professional experience in Healthcare and Financial sector. My expertise lies in system architecture and full-stack development. I have proficiency in Amazon Web Services(AWS), Python, NodeJS, Java EE, SQL and NoSQL. I have been delving into Generative AI and Large Language Model (LLM) tuning through side projects.

## Work Experience
### Software Engineer @ New York eHealth Collaborative
Jan 2024 – Present | New York, United States
• Developed scalable AWS serverless applications for statewide healthcare data exchange, ensuring HIPAA compliance and FHIR HL7 interoperability.
• Architected AWS cloud-native solutions for the NY 1115 Medicaid Waiver program to support millions of daily transactions.
• Led the development of statewide API service for identifying patient consent before sharing private ADT data.
• Designed and implemented an event-driven notification delivery system secured with mTLS, following best practices for handling thousands of requests per second.
• Designed NoSQL data models to ensure data integrity, consistency, and low-latency access across clinical workflows
• Achieved 50% increase in API performance by identifying bottlenecks and implementing asynchronous operations for optimized system performance.
• Automated regression testing and Microsoft Teams alerting as part of the CI/CD pipeline.

### Course Assistant @ NYU Courant Institute of Mathematical Sciences
Jan 2023 – Jan 2024 | New York, New York, United States

### Teaching Assistant @ NYU Courant Institute of Mathematical Sciences
Jan 2023 – Jan 2024 | New York, New York, United States

### Software Engineer @ ORACLE FINANCIAL SERVICES SOFTWARE LIMITED
Jan 2020 – Jan 2022 | Mumbai, Maharashtra, India
• Designed, developed, and deployed end-to-end UI/UX modules and REST APIs using Angular, Enterprise Java (J2EE) and Oracle PL/SQL in a multi-threaded system
• Achieved an 8% increase in transaction processing efficiency by identifying performance bottlenecks and using caching mechanisms to improve API throughput of company’s core banking product.
• Contributed towards performance tuning & code optimization by refactoring existing API code base.
• Optimized SQL queries to achieve a 40% increase in query response time within terabyte-sized dataset.
• Extracted and customized complex reports using Oracle BIP, improving data accuracy for business decision-making.
• Streamlined financial processes using Oracle Fusion ERP modules, achieving a 20% increase in resource utilization and a 25% reduction in month-end close time.
• Maintained 99% up-time of the product at Yes Bank as an On-site reliability and QA engineer
• Assisted in debugging critical system bugs, troubleshooting WebLogic servers and triaging production issues for quick system recovery.

### Software Developer Intern @ National Informatics Centre
Jan 2019 – Jan 2019
• Researched & formulated the specifications for a blockchain network to automate interstate trade operations reducing the time-consuming paperwork processes by 68%.
• Managed a team of 4 to setup a highly scalable and secure network using React.js, Node.js, CouchDB.
• Leveraged Docker for efficient containerization in software development life cycle phases (SDLC).
• Created exhaustive test plans and designed test cases for unit testing, integration testing & user acceptance testing


## Education
### Master of Science - MS in Computer Science
New York University
Jan 2022 – Jan 2024

### Bachelor of Technology - BTech in Computer Engineering
KJ Somaiya College of Engineering, Vidyavihar
Jan 2016 – Jan 2020


## Contact & Social
- LinkedIn: https://linkedin.com/in/joel-marvin-tellis

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Source: https://flows.cv/joelmarvintellis
JSON Resume: https://flows.cv/joelmarvintellis/resume.json
Last updated: 2026-04-01