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Raihan Dowllah
@raihan_dowllah
Senior Backend Engineer
India
English
About me
I am a Senior Backend Engineer with over 8.2 years of experience in designing and building scalable, enterprise-grade systems. I have strong expertise in cloud-native architectures, microservices, and system modernization using Java, Spring Boot, and AWS. I am proven in my ability to drive architectural decisions and improve system reliability in large-scale environments.
Skills
Raihan Dowllah
Offline •
Average response time: 1 hour
See my services
API & Integrations
I will develop java spring boot microservices and rest apis
Work experience
Senior Technical Specialist
Sony • Full-time
May 2025 - Present • 1 yr
Leading modernization of legacy PS4/PS5 services to modern cloud-native architecture. Designing and implementing microservices-based systems, developing REST APIs with versioning, and automating CI/CD pipelines. Collaborating with cross-functional teams for migration and system design while maintaining technical documentation.
Senior Associate Platform L2
Publicis Sapient • Full-time
Oct 2024 - Apr 2025 • 6 mos
Implemented AWS Secrets Manager rotation without service downtime. Designed secure database access using dynamically rotated credentials and integrated secret rotation into application and database layers to improve system security and operational efficiency.
Associate Consultant
Capgemini • Full-time
Jun 2018 - Apr 2020 • 1 yr 10 mos
Migrated legacy applications to Spring Boot and transitioned monolithic systems to microservices architecture. Developed and enhanced enterprise application features to improve scalability and maintainability.
