Prosenjit Chakrabortty
Java Backend / Full Stack Developer | 5+ Years of Experience
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About
Java Backend / Full Stack Developer with 5+ years of experience delivering scalable, high-performance web applications. Expertise in Java, Spring Boot, Angular, and MSSQL, with a proven track record of improving system efficiency and reducing process times by up to 40%. Skilled in integrating complex systems such as SAP and driving automation that enhances accuracy and accelerates financial workflows. Adept at collaborating within agile teams to deliver innovative, results-driven solutions.
Experience
Senior Software Engineer at MARLABS (2021-09 – Present)
Client: Merck Private Limited
Senior Software Engineer - Vendor Application at MARLABS (2023-01 – Present)
- Developed and optimized vendor registration workflow, improving registration processing.
- Built Java endpoints to integrate vendor approval with SAP for automated Vendor ID generation.
- Improved data accuracy and reduced processing errors.
- Engineered end-to-end invoice management system allowing vendors to upload invoices via purchase order numbers: implemented multistep invoice approval workflow, reducing invoice processing cycle.
- Developed Java APIs to interface with SAP for triggering payment processing upon receipt of Goods Receipt Note (GRN) or Service Entry Sheet (SES), increasing payment accuracy and timeliness.
Senior Software Engineer - Timesheet Application at MARLABS (2021-09 – 2024-01)
- Led development of a robust timesheet tracking system managing Customer Approved Hours, Revenue Hours, Payroll Hours, and Overtime for 2000+ employees.
- Implemented role-based approval workflows for managers and finance teams, reducing payroll discrepancies by 35% through automated reviews and notifications.
- Designed and deployed a real-time email notification system, improving timely approvals and communication, resulting in a 25% faster month-end closing.
- Built admin override capabilities to ensure seamless corrections before payroll submission, reducing month-end errors.
Education
Bachelor of Technology in Computer Science & Technology – WBUT Kolkata
