Saiful Hasan
Software Development Engineer 3 at Expedia Group
Delhi, India
Summary
👤
Senior🎓
Top SchoolSaiful Hasan is a Software Development Engineer 3 based in Delhi with nine years of industry experience and a focused recent track record building backend systems at Expedia Group and Paytm. He specializes in Java and Kotlin microservices using Spring Boot, GraphQL, MySQL, Redis, Kafka, SQS and S3, and has hands-on experience designing high-throughput batch and messaging-driven architectures. At Paytm he built an extensible document-sharing framework, a generic rewards service for bank partners, and multithreaded batch processing for millions of transactions—demonstrating a knack for scalable, production-grade systems. Now advancing through SDE2 to SDE3 at Expedia, he blends pragmatic engineering with strong system design skills and experience in Spring Batch and Rqueue for reliable background processing. Collected internships and early projects show he also explores machine learning and data scraping, indicating a curiosity that spans beyond core backend engineering.
9 years of coding experience
3 years of employment as a software developer
B.Tech in, Computer Science, B.Tech in, Computer Science at Netaji Subhas University of Technology, East CampusComputer Engineering, Computer Engineering at Jamia Millia Islamia
Stackoverflow
1,586reputation
242kreached
16answers
53questions
server
top-5%
Github Skills (37)
named-entity-recognition9
language-processing9
text-classification9
fairness-ml9
server9
cython9
turkish9
nlp9
corenlp8
nlp-machine-learning8
transformer-architecture8
python8
deep-learning8
entity-linking8
spacy8
Programming languages (3)
Github contributions (5)
imsaiful/myctcianswer
Jul 2018 - Apr 2019
Contributions:155 pushes, 1 branch in 9 months
imsaiful/cpp-program
Mar 2017 - Jun 2017
Contributions:68 commits, 67 pushes, 1 branch in 2 months
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