# Vishnu Narayan Periyamana

> Software Engineer at Quantcast | Ex-JPMC | Imperial | IITM

Location: City Of London, England, United Kingdom
Profile: https://flows.cv/vishnunarayanperiyamana

Our team at JPMorgan Chase & Co. made significant strides in modernizing payment systems, where we transitioned a large-scale legacy application to a microservices architecture on AWS, enhancing efficiency and scalability. As part of this transformation, my role involved developing stable features and refactoring for performance gains within our cross-border payments application.

Complementing my practical experience, I'm advancing my theoretical expertise through a Master's in Computer Science at Imperial College London, focusing on cutting-edge technologies and methodologies. My competencies in Oracle SQL and REST APIs, reinforced by an AWS Cloud Practitioner certification, underscore my commitment to fostering robust and innovative solutions in the ever-evolving landscape of software engineering.

## Work Experience
### Software Engineer @ Quantcast
Jan 2025 – Present | City Of London, England, United Kingdom

### Software Engineer II @ JPMorgan Chase & Co.
Jan 2023 – Jan 2023 | Bengaluru, Karnataka, India
- Engineered key features for a cross-border payments application built on Java SpringBoot and Oracle SQL, processing over $300M in monthly clearing house payments.
- Redesigned a critical payments application module into microservices architecture and deployed on AWS using Terraform, increasing hourly payment processing capacity by up to 20x.
- Designed and implemented an automated SQL archival system for legacy data, optimizing database performance and reducing query execution times by 30%.
- Championed cross-functional collaboration and actively drove Agile practices such as refinement and planning sessions, improving team efficiency.
- Advocated best coding practices and promoted a culture of comprehensive testing, including both unit and integration tests, while driving thorough code reviews and providing mentorship to foster team growth.

### Software Engineer I @ JPMorgan Chase & Co.
Jan 2021 – Jan 2023 | Bengaluru, Karnataka, India
- Implemented new features and performance improvements for a large scale international payments application based on Java Spring Boot, making use of many technologies such as Kafka, API, MQ, AppDirect and so on.
- Proactively took ownership as a self-starter, quickly mastering the full software development life cycle, complex legacy application architecture, and Agile iterative methodologies. Gained proficiency in JUnit testing, contributing significant enhancements to the codebase within a short time of joining

### Credit Risk Analyst @ JPMorgan Chase & Co.
Jan 2019 – Jan 2021 | Mumbai Area, India
As Credit Risk Strategy owner, I was responsible for maintaining and improving upon strategies to drive higher value in Credit division using analytical tools like SAS and SQL.
I identified areas of opportunity in Credit Strategy and devised appropriate ways of approaching target audience in order to minimize risk as well as to maximize value for the company.


## Education
### Master of Science - MS in Computer Science
Imperial College London

### Bachelor of Technology in Biological/Biosystems Engineering
Indian Institute of Technology, Madras


## Contact & Social
- LinkedIn: https://linkedin.com/in/vishnu-narayan-p

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Source: https://flows.cv/vishnunarayanperiyamana
JSON Resume: https://flows.cv/vishnunarayanperiyamana/resume.json
Last updated: 2026-04-05