Subha Das

Results-driven Solution Architect and Technical Lead with over 10 years of IT experience specializing in the telecom domain. Proven track record of leading complex ESB service migrations, designing scalable microservices on cloud-native platforms, and delivering high-quality enterprise solutions. Recognized for building and mentoring cross-functional teams of 20+ members while maintaining a relentless focus on performance, reliability, and business continuity.

Technical Lead & Solution Architect - Wipro Technologies - Kolkata, India

(2017-09)

• Spearheaded the migration of 200+ ESB services from Oracle Service Bus to RedHat FUSE ESB, significantly modernizing the enterprise integration layer for a major telecom client.
• Designed and deployed a microservices architecture on Docker-Kubernetes based RedHat OpenShift (3.11 & 4.11), enabling containerized, scalable service delivery.
• Architected secure API interactions incorporating Base64 authentication, CRM integration, and optimized database communication patterns.
• Engineered application performance improvements ensuring scalability, memory efficiency, and robust monitoring across production environments.
• Led and mentored a cross-functional team of 20+ developers, testers, and tech leads; managed annual onboarding cycles for new joiners.
• Served as L3 support escalation point, resolving critical production incidents and ensuring uninterrupted business continuity for telecom operations.
• Recognized as Most Valuable Contributor for consistent delivery of high-quality, bug-free applications that exceeded client expectations.

Senior Software Developer / Software Developer - Wipro Technologies - Kolkata, India

(2015-07 - 2017-08)

• Led migration of web services from Oracle Service Bus (OSB) to JBoss Fuse for Telenor Myanmar, ensuring smooth transition with zero production downtime.
• Developed integration services using Apache Camel (Blueprint) and orchestrated end-to-end SIT, UAT, and production testing phases.
• Delivered robust SOAP, REST, and ActiveMQ-based services with optimized database connection handling and performance benchmarks.
• Ensured system reliability and performance integrity during critical project delivery milestones.

MTech - Computer Science - Birla Institute of Technology and Science (BITS), Pilani (2015 - 2019)

Bachelor of Computer Applications - BCA - West Bengal University of Technology (2013 - 2015)