Thejas U

Results-driven Application Support Engineer with 2+ years of experience in IoT device testing, QR Payment Soundbox systems, POS terminals, and API integration. Proficient in Postman API testing, end-to-end manual testing, and network troubleshooting. Certified in REST API fundamentals via Postman Academy. Strong background in root cause analysis, defect management, and delivering reliable system performance for payment technology products.

Technical Consultant - Watchdata Technologies India Pvt. Ltd - Bengaluru, India

(2023-02 - 2025-03)

• Supported and maintained production payment systems, ensuring high availability, issue resolution, and minimal downtime.
• Conducted comprehensive end-to-end manual testing of Payment Soundbox devices, POS systems, and IoT hardware, ensuring full compliance with industry standards and client-specific requirements.
• Performed API testing using Postman by validating REST APIs, HTTP methods, request and response payloads, status codes, and authentication flows to identify and resolve integration issues.
• Achieved a 25% improvement in transaction efficiency by advising clients on secure protocol implementations and optimizing API integration strategies using Postman.
• Identified and resolved complex hardware and software issues, improving device performance and providing Level 2 technical support for connectivity, firmware updates, and security protocol adherence.
• Utilized company-provided defect tracking and testing tools to log bugs, monitor issue status, and coordinate fixes with the development team, ensuring timely resolution and quality delivery.
• Minimized client downtime through prompt and effective technical support, fostering long-term client satisfaction and maintaining strong professional relationships.

Bachelor of Engineering - Electronics and Communication - New Horizon College of Engineering (2017-08 - 2021-08)