Dharan Aditya Guthula
Software Engineer with 6+ years building high-performance systems.
Experience
Member of Technical Staff
- Working on Apache Gluten Velox Backend — integrating aggregate & scalar functions, extending the ORC reader, and adding BigQuery read support.
- Designing and implementing query optimizer rules for SparkSQL to improve performance on TPC-DS & TPC-H queries.
- Translating SparkSQL execution plans into Substrait IR to run on the DataPelago execution engine.
Rust Developer
- Re-architected the analytics service, significantly enhancing data collection efficiency and scalability.
- Led the design and development of a web crawler.
Lead Backend Engineer
- Led the team in prototyping and building POCs for customers. Reduced time to market by 20 days.
- Generated 3 new revenue opportunities from POC successes.
- Built a super-fast fuel API in Rust that reduced response times by 22%.
Software Development Engineer Jul 2021 – Aug 2022
Amazon Music Video - Built the Videos Landing Page for AMU/HD customers on Web, FireTV, and AndroidTV — drove a 4% increase in user engagement.
- Designed and developed a low-latency microservices architecture for the Synchronized Audio Video Toggle feature.
Team Transfer →
Software Development Engineer Aug 2022 – Dec 2022
AWS DynamoDB Streams - Automated region build processes for small Availability Zones, cutting build time by 31%.
Asst System Engineer
- Production support engineering focused on maintenance, root cause analysis, and bug resolution.
Open Source
Apache Datafusion & Comet
Active June 2024 – Present
- Migrated built-in scalar and aggregate functions to user-defined aggregate functions.
- Migrated special expressions from SQL parser to logical planner.
- Contributing support for Array & Map scalar functions in Datafusion Comet (an Apache Spark accelerator).
Skills
Languages Java Go Rust Scala C++
Data Systems Apache Spark Apache Gluten Apache Datafusion Velox PostgreSQL
Other Distributed Systems Systems Programming AWS GCP
Education
B.Tech in Electronics and Communication
Pragati Engineering College
2015 – 2019
Honors & Awards
Full scholarship for the Udacity Nanodegree in Android Development — Google India (2018)
Top 5% ranking in Introduction to Modern Application Development — NPTEL (2018)