Bikas Tanti

Seasoned Engineering Manager and hands-on Backend Technical Lead with 15+ years of experience delivering scalable, high-performance platforms across Payments, Identity, Risk Management, and Industrial Systems. Led cross-functional teams to enhance performance and modernise legacy systems using cutting-edge engineering methodologies. Drove innovation and ensured mission-critical system reliability, consistently enhancing business outcomes through strategic technology leadership and agile practices.

• Modernization FM System, 10 Months, Spearheaded the modernization and optimization of legacy drawing-conversion software, enhancing performance., Designed and integrated advanced export functionalities, enabling seamless conversion to GeoJSON and IMDF formats, alongside SVG., Directed end-to-end project lifecycle activities, including requirements analysis, High-Level Design (HLD), Low-Level Design (LLD), agile development, comprehensive testing, and multi-release deployment, ensuring timely delivery and high-quality output., Leveraged cutting-edge technologies such as C++, VB.NET, C#, AWS, and Docker to develop robust, cloud-ready solutions compliant with industry best practices.
• PayPal — Identity Platform (IAM), 40 Months, Key player initiatives spanning RBAC, identity data enforcement/auditing, and relationship management (e.g., parent/teen accounts)., Translated business policy into backend rules and service contracts; authored and reviewed HLD/LLD, ensuring scalability, resilience, and compliance., Delivered hands-on Java/Spring Boot implementations, code reviews, and production rollouts; partnered with SRE/operations during incidents and release windows., Improved reliability by driving root-cause analysis of complex production defects (data integrity, concurrency, and performance issues) and implementing preventative fixes.
• PayPal — Billing (Express Checkout Migration), 6 Months, Led a team of 4 engineers to migrate checkout components from C++ services to a Java/Spring stack, aligning with platform standards and decommission timelines., Owned LLD, migration plan, regression strategy, and cutover readiness; ensured production-grade error handling, monitoring hooks, and performance parity.
• PayPal — Risk Platform (DB Decommissioning, Active/Active, Framework Migrations), 56 Months, Led modernization of a large-scale risk platform for PayPal by decommissioning legacy databases and migrating over 200 tables, achieving a seamless transition with only 5% downtime., Executed component migrations from Helix to Raptor using various strategies, including deprecation and as-is methods, ensuring full compliance with enterprise release governance and timelines., Enabled Active-Active database architecture by identifying and resolving critical platform blockers; designed comprehensive migration and deprecation strategies., Implemented approved changes that enhanced system availability by 30%, ensuring improved performance and reliability., Optimized inefficient SQL queries, enhancing data isolation and policy enforcement frameworks, resulting in a 25% improvement in query performance., Delivered robust release and post-production monitoring support, significantly bolstering system oversight and reliability.
• ViewMM, 70 Months, Developed high-throughput, multi-threaded C++ Windows applications for precision metrology and quality assurance, enhancing data processing speed by 30% (VC++, MFC, Win32)., Engineered asynchronous processing pipelines to decouple UI, hardware I/O, and computational workloads, increasing application responsiveness.