Nilang Shah
Principal Engineer at American Express
Bengaluru, Karnataka, India
Summary
👤
Senior🎓
Top SchoolNilang Shah is a Principal Engineer with 12 years of experience designing and operating high-throughput, highly available payment platforms at American Express and Visa. He specializes in distributed systems and fintech, having led top-50 enterprise projects that process thousands of transactions per second and settle tens of millions daily while targeting five-nines availability. Technically hands-on across Java, OpenShift, Kafka, Cassandra and observability stacks, he also contributes to open-source concurrency tooling—having improved performance and stability in the lightweight Java threads project kilim. An IIT Bombay MTech graduate (9.46 CGPA) and GATE AIR 13, Nilang pairs rigorous academic foundations with pragmatic engineering and delivery leadership. He is also a co-founder of an e-commerce jewellery business, applying his systems and automation skills to inventory, logistics and customer experience. Colleagues rely on him for end-to-end ownership from envisioning through migrations to post-production resilience.
12 years of coding experience
11 years of employment as a software developer
Indian Institute of Technology BombayBachelor of Engineering (BE) Information Technology, Bachelor of Engineering (BE) Information Technology at Dharmsinh Desai University
English, Hindi, Gujarati
Github Skills (11)
javas10
message-passing10
multithreading10
concurrency10
java10
performance-testing9
unit-testing9
algorithms8
data-structures8
algorithm8
data-structure8
Programming languages (2)
Github contributions (5)
kilim/kilim
Jun 2014 - Oct 2014
Lightweight threads for Java, with message passing, nio, http and scheduling support.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:36 commits in 3 months
Contributions summary:Nilang primarily contributed to the `kilim/kilim` project by implementing and testing core functionalities related to lightweight threads in Java. Their work included adding performance tests (PerfTest) and examples to showcase the library's capabilities, particularly focusing on message passing and mailbox implementations. Significant changes were made to `MailboxSPSC`, demonstrating work related to concurrency and thread management. The user also addressed bugs within the timer service and the affine thread pool, improving the stability and efficiency of the project.
javamessage-passing
nilangshah/Raft
Jan 2014 - Sep 2014
Contributions:36 commits in 7 months
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