Koushik Mondal

About Koushik Mondal

Interests : Big data, Scaling, Optimization, Algorithms, Backend, Machine…

Experience

1. Senior Software Engineer

   Yahoo

   Jul 2017 — Present

   Designed and implemented highly optimized next-gen reverse-geocoding library in Java for all of Yahoo\'s low latency location search requirements. The new library improves over the previous library with 20x improvement in latency and 4x improvements in data storage. This particular work was chosen as one of the 35 talks(given by myself) from among 600+ submissions in Yahoo-wide technical conference.* Co-designed an algorithm to detect and tag digital-out-of-home billboards for ads targeting and insight.* Designed and implemented algorithm to search and rank point-of-interest data associated with a user GPS signal.* Co-designed and co-implemented next-gen data processing pipeline using Apache Spark, Apache Sedona, Apache Hive, HDFS, SQL with newer polyglot schema, faster processing, removing manual intervention. Skills and job responsibilities summary:* Work in Location domain, technical lead of all of Yahoos Geo-informatics products and services * Big data processing with Apache Spark, Apache Hive, HDFS, SQL, Apache Sedona * Near real time data processing with Apache Storm * Low latency high throughput Java based backend services * C++ and Java based low latency libraries and datapacks * Handling C++, Java, Python, and Scala stack * OS : RHEL7 / RHEL8

Skills

• Operating Systems
• C
• Distributed Systems
• Object Oriented Design
• Linux
• Java
• Data Structures
• Python
• Perl
• Carrier Ethernet
• Ethernet
• Web Design
• Embedded System
• Debugging
• Software Development
• Unix
• Embedded Systems
• Device Drivers
• Algorithms
• Rtos
• R&D
• C++
• Embedded Software