# Rifat Ahsan

> Staff Software Engineer at Apple (AI/ML)

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/rifat

Software engineer with strong sense of ownership and experience in data and metrics driven development for Search, Knowledge Graph and Data platforms.  
• Experienced in designing and building large scale distributed Search systems, Indexing pipelines and Knowledge Graphs query engines. 
• Experienced in designing and building generic configuration driven and pluggable data ingestion and dispersal framework/ platform.
• Machine Learning and online model serving.

Java, Go, Kubernetes, KV, Solr/Lucene, Cassandra, Hive, S3, HDFS, Kafka, Flume, Morphline,  Zookeeper, C/C++, Python, Groovy, RocksDB.

## Work Experience
### Staff Software Engineer @ Apple
Jan 2023 – Present | San Francisco Bay Area

### Lead - Senior Software Engineer @ Apple
Jan 2018 – Present | San Francisco Bay Area
Apple Knowledge Platform, Search for Siri, Spotlight and Safari.

### Senior Software Engineer @ Apple
Jan 2015 – Jan 2018
Applied Machine Learning for Search in Apple.com

### Software Developer @ YP
Jan 2013 – Jan 2015

### Teaching Assistant @ University of California, Riverside
Jan 2013 – Jan 2013 | Riverside CA
Conducting C/C++ LAB for undergraduates.

### Research Assistant @ University of California, Riverside
Jan 2012 – Jan 2013 | California
I am interested in Data Mining and Pattern Recognition. 
- Currently, I am working on developing efficient image classification algorithm to help forensic science. 
- High dimensional data objects like images and videos and their similarity measures. 
- Text Classification and recommendation system design using sentiment analysis of texts.

### Software Development Internship @ SAP
Jan 2012 – Jan 2013 | Palo Alto, CA
- C/C++ [Linux]: Implemented Single Sign On (SSO) prototype for SAP Business Object Data Service using gssapi.
- Java [Windows, Linux] Implemented Server Client prototype for SSO using GSSAPI. 
- C/C++ [Windows]: Implemented Server Client prototype for SSO using SSPI. 
- Investigated bugs in SAP HANA.

### Lecturer, Department Of Computer Science and Engineering @ Bangladesh University of Engineering & Technology
Jan 2009 – Jan 2011 | Dhaka
Taught several under graduate theory courses and conducted labs. Courses I took as a Lecturer: 
Microprocessors and Micro-controllers (Theory and Lab), Structured Programming Language: C (Lab), 
Object Oriented Programming Language: C++ (Lab), 
Wireless Networking (Lab).

### Instructor @ Bangladesh University of Engineering & Technology
Jan 2011 – Jan 2011 | Dhaka, Bangladesh
I worked as an instructor for web development course (PHP).


## Education
### Master of Science (MSc) in Computer Science
University of California, Riverside

### Bachelor of Science (BSc) in Computer Science
Bangladesh University of Engineering and Technology


## Contact & Social
- LinkedIn: https://linkedin.com/in/shahmdrifat-ahsan
- Portfolio: http://teacher.buet.ac.bd/rifatahsan/

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Source: https://flows.cv/rifat
JSON Resume: https://flows.cv/rifat/resume.json
Last updated: 2026-04-12