Syed Hasan
Backend Engineer at Rakuten Payment, Inc.
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolSyed Mainul Hasan is a backend engineer with 11 years of experience building Java-based cloud and enterprise applications, currently focusing on payment systems at Rakuten Payment in Tokyo. He has a strong foundation in Spring and software design, proven by multiple certifications and a track record of delivering compliance and retail banking solutions at BRED IT where he also led CI/CD initiatives for an ORMB-based project. A mentor and frequent code reviewer, he combines hands-on development with an Ops mindset to create scalable systems that support large user bases. His background in Business Information Technology and active mentoring roles reflect a rare mix of business awareness and deep technical craft, and he’s known for sharing practical lessons from real-world deployments as part of his continuous learning.
11 years of coding experience
7 years of employment as a software developer
Secondery School Certificate, Higher School Certificate (HSC), Secondery School Certificate, Higher School Certificate (HSC) at Safiuddin Sarker Academy and CollegeBachelor's degree, Business Information Technology, Second Class (First Division), Bachelor's degree, Business Information Technology, Second Class (First Division) at University of Greenwich
English, Bengali
Stackoverflow
62reputation
6kreached
5answers
5questions
Github Skills (63)
spring10
spring-jdbc10
spring-data10
spring-security-oauth210
spring-mvc10
java10
security10
spring-boot10
spring-data-jpa10
spring-security9
react8
router8
global-hotkeys8
declarative7
jnativehook7
Programming languages (7)
Github contributions (5)
mainul35/Fusion
Feb 2019 - May 2019
A small JS SPA Library, for mostly personal purposes.
Contributions:22 commits, 4 PRs, 19 pushes in 2 months
javascriptspa
mainul35/pondit-b4
Nov 2021 - Dec 2022
Contributions:44 commits, 41 pushes, 1 branch in 1 year
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