Karthik Raj
Staff Software Engineer
Oakland,CA
Summary
Enthusiastic technical professional with complete understanding of entire software development lifecycle. Always looking for new ventures to apply my expertise, learn, and evolve. Strives to use technology for a better, inclusive, equitable world.
Overview
10
10
years of professional experience
5
5
years of post-secondary education
Work History
Staff Software Engineer
Chime
San Francisco, CA
12.2020 - Current
- Led multiple multi-functional team projects to implement large-scale near real time data pipelines to support ML models, risk mitigation, real time analysis, and monitoring. Reduced eventing costs by 50% while reducing data latency.
- Architected key components of self-served streaming platform to process billions of events at scale, automating infrastructure orchestration via terraform.
- Built batch pipelines using Airflow, AWS big data technologies, and Snowflake to provide actionable insights into customer acquisition, operational efficiency, and other key business performance metrics.
- Collaborated with other departments (marketing, infrastructure, ML, analytics) to deliver critical features and integrations.
Software Engineer
Datavant
San Francisco, CA
06.2019 - 11.2020
- Researched, designed and implemented scalable data pipelines for extraction, ingestion, transformation of customer data at TB scale, reducing data ingestion time from > 7 days to hours.
- Automated and implemented procedures for continuous deployment of data pipeline components.
Senior Software Engineer
Twilio Inc
San Francisco, CA
07.2015 - 06.2019
- Architected taxation, invoicing and usage aggregation services. Rolled out taxation integrations in APAC and EU reducing tax revenue losses by > 10 million per year.
- Developed low latency REST applications, micro-services, data pipelines for handling billions of events, both realtime and offline.
- Re-architected services and data stores to be GDPR compliant to enable data deletion and redaction at scale.
Software Engineer
Cisco Systems
San Jose, CA
07.2012 - 07.2015
- Developed infrastructure components, libraries, RESTful APIs and Software WAN controller agent for switches and routers.
Education
M.S - Computer Science and Engineering
Ohio State University
Columbus, OH 08.2010 - 06.2012
B.Tech - Information Technology
St. Joseph's College of Engineering, Anna University
Chennai, India 09.2004 - 05.2008
Skills
Scala
Python
Amazon Kinesis, Batch, DynamoDB, Lambda, SQS, Firehose
Apache Kafka
Docker
Cassandra, MySQL
Apache Spark
Java
Airflow
Terraform
Snowflake
Timeline
Staff Software Engineer
Chime
12.2020 - Current
Software Engineer
Datavant
06.2019 - 11.2020
Senior Software Engineer
Twilio Inc
07.2015 - 06.2019
Software Engineer
Cisco Systems
07.2012 - 07.2015
M.S - Computer Science and Engineering
Ohio State University
08.2010 - 06.2012
B.Tech - Information Technology
St. Joseph's College of Engineering, Anna University
09.2004 - 05.2008