Sumit Kumar Das
Senior Developement Engineer at Calsoft
Based in Kolkata, India
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Seniority
Staff
Department
Information Technology
Location
Kolkata
Industry
Software Development
Company size
1.6K
Contact information
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s•••••••@calsoftinc.com
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Background
About Sumit Kumar Das
Hi, I’m Sumit Kumar Das—a passionate Senior Software Developer with a strong foundation in backend development and creating impactful solutions across a wide range of technologies What I Do: With over three years of experience, I specialize in designing and developing robust backend systems that power seamless user experiences. From working on eCommerce platforms to real-time data synchronization, I thrive on building solutions that are both efficient and reliable. My Expertise: I have honed my skills in: Backend Development: Proficient in Python, with extensive experience in Django REST Framework to build scalable APIs. Hands-on expertise in databases like PostgreSQL for designing optimized schemas and ensuring data integrity. Leveraging tools like Elasticsearch to enable lightning-fast search and analytics capabilities. Real-Time Systems: Developed solutions for high-performance, multi-tenant applications using tools like Pusher and Celery. Implemented real-time communication features in Point-of-Sale (POS) systems. eCommerce Platforms: Built backend systems for eCommerce applications, ensuring scalability and high availability. Designed and implemented features that improved user experience and streamlined business processes. Notable Contributions: Published an article on data synchronization between PostgreSQL and Elasticsearch using Python and Celery, showcasing my ability to optimize complex workflows. Identified and reported a critical security loophole in Zoho Meeting, highlighting my attention to detail and commitment to secure development practices. What Sets Me Apart: I’m not just a developer—I’m a problem solver. Whether it’s architecting a new system or diving deep into debugging, I approach every challenge with a mindset focused on finding the most effective and elegant solution. Beyond Code: I enjoy mentoring fellow developers, contributing to collaborative problem-solving, and continuously exploring the latest advancements in backend technologies. My ultimate goal is to create systems that make a difference—both for end-users and businesses. Let’s Connect: I’m always eager to discuss backend development, system architecture, or innovative tech solutions. Let’s collaborate to bring ideas to life!
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