NAJAT SADRUL MUTTAQUIN
- ⋄-⋄ ¯ /najat-muhammad ⋄ /MuhammadNajat
SUMMARY
Software Engineer with 6+ years of experience designing and operating large-scale production systems across fintech, SaaS,
and government domains. Delivered cloud-native platforms supporting 10K+ restaurants and 100K+ establishments using Java,
Spring Boot, React, and AWS. Seeking system-level challenges in distributed systems and cloud infrastructure.
EXPERIENCE
Software Engineer 2
Apr 2025 – Present
MarginEdge
Dhaka, Bangladesh
• Built ACH payment collection and integrated Zuora to automate billing, invoicing, and payment, impacting 10K+ client
restaurants.
• Delivered critical billing disclosure feature with cross-team collaboration, reducing pre-release review cycle by 50%.
Technologies: Spring Boot, Java, React, TypeScript, JavaScript, AWS Lambda, AWS SQS, DynamoDB.
Software Engineer
Sep 2023 – Feb 2025
Dynamic Solution Innovators
Dhaka, Bangladesh
• Hospitality Management System: Architected and implemented approval workflow to license 100K+ hotels and restaurants
nationwide.
• Recruitment Management System: Developed recruitment test platform from scratch to eliminate 80% of paperwork.
Technologies: Java, Go, JEE 10, JSF, Node.js, Next.js, PostgreSQL, MongoDB, GraphQL, Kafka, GlassFish, PrimeFaces.
Senior Software Engineer
Feb 2020 – Aug 2023
Samsung R&D Institute Bangladesh
Dhaka, Bangladesh
• Windows Galaxy Buds: Led project structuring and delivered 90%+ of UI for first product launch.
• Samsung DeX: Boosted Android app code coverage by 6%, enhancing maintainability; resolved critical Windows app bugs.
• Software Competency Test: Passed Samsung Software Competency Test – Professional Level.
Technologies: Android, UWP, Java, C++, C, JUnit 5, Reflection, XAML.
SKILLS
Programming Languages
Frameworks
Databases
Cloud
Data Science
Tools
Others
Java, C++, Go, JavaScript, Python, TypeScript, C#, SQL, MATLAB
Spring Boot, Java Enterprise Edition 10, React, Next.js, JSF, UWP, Android
PostgreSQL, DynamoDB, MySQL, MongoDB
AWS Lambda, AWS SQS, Apache Kafka
NumPy, Pandas, Scikit-learn, Matplotlib
Docker, Git, Postman, Jira
GraphQL, REST, JPA, Hibernate, Gradle, Maven
PROJECTS
• Fast Block Cipher (Cryptography, Security): Designed and implemented a symmetric cipher 200% as fast as AES. C++.
• Lung Cancer Detector (Image Processing, Graph Traversal): Designed and built an efficient algorithm to detect cancerous
regions on human lung’s CT scan images with linear runtime complexity, achieving millisecond-level latency. MATLAB.
• Etherchain (Blockchain, Scraping): Created interactive Ethereum transaction history app (7-day, 10 latest blocks). JS, Web3.js.
• Effect of Internet Use on Development of Students (Data Mining, Machine Learning): Surveyed 550+ university students and
analyzed data with ML methods. Python, NumPy, Pandas, Scikit-learn, Matplotlib.
ACHIEVEMENTS
•
•
•
•
Became Champion of Debugging Contest at 4th AUW ICT Fest held at Asian University for Women in April 2018.
Ranked 5th among all Bangladeshi contestants in CodeChef January Challenge 2019.
Earned honorable mention in NCPC 2017 by ACM ICPC at Chittagong University of Engineering Technology.
Received DOI award for outstanding contribution in innovation at 4th Quarter of 2023 at Samsung R&D Institute Bangladesh.
RESEARCH AND COLLABORATION
• Published A Novel Block Cipher Based on Randomly Shuffled Key Strings. Arabian J. Sci. Eng., Springer Nature (Vol. 45).
• Co-authored C Programming Language in Bengali for 1M+ potential Bengali-speaking learners.
• Ranked among top 10 contributors on Programabad, a programming knowledge exchange platform.
EDUCATION
Bachelor of Science, Computer Science and Engineering
International Islamic University Chittagong
Apr 2015 – Nov 2019
Chattogram, Bangladesh
