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Nishit Patira
Verified Expert in Engineering
Software Developer
Berlin, Germany
Toptal member since June 4, 2026
Bio
Nishit has 10+ years of experience working at Morgan Stanley, Walmart, and Amazon. He has primarily worked in the Java ecosystem (including Java, Scala, and Kotlin) and on AWS. He's currently a senior software engineer working with Amazon DynamoDB.
Portfolio
Amazon.com
Java
Walmart
Java
Morgan Stanley Advantage Services
Gemfire, Java
Experience
- Software Development - 11 years
- Java - 10 years
- Git - 10 years
- Spring - 10 years
- JUnit - 9 years
- Amazon DynamoDB - 5 years
- MySQL - 4 years
- Amazon Aurora - 3 years
Preferred Environment
Amazon DynamoDB, Java
The most amazing...
...work I've done involved scaling Amazon DynamoDB, where edge cases would happen on a daily basis.
Work Experience
SDE II
2019 - PRESENT
Amazon.com
- Launched accounting for Canada, Mexico, and 5 EU countries, which together account for 31% of all Amazon worldwide shipments.
- Designed and developed a scalable accounting solution on AWS for Canada, Mexico, and 5 EU countries.
- Handled resource planning, load testing, and scalability concerns for Amazon Peak 2019.
- Reduced the AWS usage cost of the organization by close to $900,000 by optimizing the usage of AWS resources.
- Created a new functionality to handle Customer Returns in an automated way.
- Automated the notification to carriers when an invoice has not been sent for a shipment for 90 days.
Technologies: Java
SDE II
2018 - 2019
Walmart
- Built a new functionality for Walmart’s EU and UK operations to comply with GDPR regulations.
- Handled performance enhancements and built new features.
- Built a 'Number to Word' conversion API, which is currently being discussed by Apache to include in the Apache Commons Java library.
Technologies: Java
Technical Lead (Gain and Loss Strategic Initiative)
2017 - 2018
Morgan Stanley Advantage Services
- Served as the technical lead for the application and was responsible for delivery.
- Created high-level and low-level designs for the system.
- Led the design, development, performance benchmarking, and testing of the application.
- Designed and developed a custom Load Balancer that performs asynchronous balancing.
- Performed coding, development, and performance tuning of the application.
- Designed and created a distributed cache on Gemfire.
- Improved application performance by more than 80% by optimizing slow code.
Technologies: Gemfire, Java
Senior Associate
2016 - 2017
Morgan Stanley Advantage Services
- Built an application that would do processing of tax computations for new regulations.
- Participated in the design, development, and testing of the application.
- Acted as the business analyst, owing to experience in the domain as a trader.
- Worked extensively on the performance tuning of the application.
Technologies: Java
Experience
DynamoDB
I've worked on building a standard infrequent access version of DynamoDB that allows customers to store cold data and save up to 60% on storage costs. This required building a new version of DynamoDB and massive changes in the design and architecture.
Education
2010 - 2014
Bachelor's Degree (Honors) in Electronics and Instrumentation
Birla Institute of Technology and Science - India
Skills
Tools
Git
Languages
Java, Scala, Python, C
Frameworks
Spring, JUnit
Storage
MySQL, Amazon DynamoDB, Amazon Aurora
Other
Gemfire, Software Development
Collaboration That Works
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