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cardiai

Cardi H.

@cardiai

Senior Java Spring Boot Developer and System Architect

Bangladesh
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
Hi, I'm Cardi Hasan, a Senior Software Developer with a passion for building scalable, high-performance systems. I specialize in Java Spring Boot, Microservices architecture, and REST API development. Beyond backend development, I have extensive experience in AI-integrated security systems and video analytics. I focus on writing clean, maintainable code that helps businesses scale efficiently. Whether you need a robust backend or a custom AI solution, I am here to turn your vision into a high-quality reality. Let’s build something great together!... Continua a leggere

Competenze

c
cardiai
Cardi H.
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

API e integrazioni
I will build secure apis with java and postgresql
A partire da40 USD / progettoMaggiori dettagli
Collaudo di software
I will provide software QA and testing with documentation
A partire da50 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Spring boot application developer

BBA Mastro • Part time

Mar 2021 - Present • 5 yrs 2 mos

Microservices Orchestration: Designed and managed a complex backend architecture using Java Spring Boot, transitioning legacy systems into scalable, independent microservices. Team Leadership: Directed a high-performing team of developers, conducting code reviews and implementing Agile/Scrum methodologies to speed up delivery cycles by 30%. Security & Compliance: Engineered secure REST APIs with OAuth2 and JWT authentication, ensuring full compliance with international banking security standards. System Optimization: Conducted deep-dive system analysis to identify bottlenecks, reducing server response times by 40% through efficient database indexing and caching strategies. Full Lifecycle Management: Oversaw the entire Software Development Life Cycle (SDLC), from initial requirement gathering and system design to final deployment and maintenance.

System Analyst

Dutch Bangla Bank • Full time

Feb 2010 - Sep 2020 • 10 yrs 7 mos

Key Responsibilities & Achievements: Led the technical team responsible for the architecture and maintenance of high-volume mobile banking systems. Designed and optimized microservices using Java Spring Boot to handle millions of financial transactions daily. System Analysis: Conducted deep technical analysis to ensure system security, high availability, and seamless integration with core banking. API Strategy: Managed the development of secure REST APIs for mobile applications and third-party integrations.