Natesan Subramaniyam
Chennai
Summary
Dynamic Software Engineer with extensive experience at Giesecke+Devrient, specializing in C#.Net application development and SQL Server optimization. Proven track record in customer onboarding and product transition management, enhancing personalization profiles for payment and telecom cards. Adept at utilizing JIRA and Bitbucket to streamline project workflows.
Overview
8
8
years of professional experience
Work History
Software Engineer
Giesecke+Devrient
04.2022 - Current
- Manage WPC (Visa, Mastercard, Discover, Rupay) certifications, ensuring compliance with EMVCo standards and card scheme requirements.
- Perform end-to-end testing and validation using Barnes analyzers, EMV tools, and QC systems.
- Manage and support key management activities, including key generation, injection, and secure handling.
- Develop and maintain C#.NET applications for personalization workflows, Data Processing, and automation tasks.
- Analyze and improve SQL query performance to ensure fast and reliable data processing.
- Collaborate with cross-functional teams to manage product transitions, updates, and system migrations.
- Provide technical documentation, test reports, and maintain traceability for certification and audits.
- Use tools like JIRA and Bitbucket for task tracking, version control, and project collaboration.
- Develop and manage EMV personalization profiles for payment and SIM cards.
Senior Technical Assistant
Giesecke+Devrient
03.2019 - 03.2022
- Lead and coordinate daily production activities for EMV and SIM card operations across multiple shifts or lines.
- Implement and review FMEA and other quality control tools to improve process reliability and reduce failure rates.
- Maintain production records, generate shift reports, and track KPIs like yield, downtime, and rejection rates.
- Validate job setup parameters, production files, and personalization data to ensure accuracy and compliance.
- Maintain compliance with ISO 9001, EMVCo, GSMA, and internal security and quality standards.
- Enforce a clean, safe, and secure working environment, ensuring compliance with data security protocols.
Technical Assistant
Giesecke+Devrient
03.2018 - 03.2019
- Operate SIM card personalization machines to load mobile network operator (MNO) data onto SIM cards.
- Operate SIM card punching machines (2FF, 3FF, 4FF formats) to separate individual cards from sheets or plastic bodies
- Conduct visual and functional quality checks on personalized and punched SIM cards.
- Follow data security and confidentiality protocols in line with telecom and ISO standards.
Mailing Assistant
TeamLease Services
02.2017 - 03.2018
- Operate and maintain machines for milling and embedding chips into contact cards.
- Initialize chips and prepare them for personalization, including secure key injection.
- Carry out quality checks during and after production, including visual, size, and electrical tests.
- Support efforts to improve production efficiency, quality, and output.
Education
Bachelor of Engineering - Electrical And Electronics Engineering
PGP College of Engineering And Technology
Namakkal08-2014
Diploma - Electrical And Electronics Engineering
KSR Polytechnic College
Namakkal08-2011
Skills
- Creating personalization profiles
- WPC and LP certification
- C#Net Application Development
- SQL Server development
- Optimization of SQL integrations
- Proficient in JIRA and Bitbucket
- Proficient in Barnes and EMV analyzers
- Customer onboarding
- Knowledge of EMV specifications
- Product transition management
- Key Management
- Personalization of payment and telecom Cards
Languages
Tamil
Bilingual or Proficient (C2)
English
Upper intermediate (B2)
Timeline
Software Engineer
Giesecke+Devrient
04.2022 - Current
Senior Technical Assistant
Giesecke+Devrient
03.2019 - 03.2022
Technical Assistant
Giesecke+Devrient
03.2018 - 03.2019
Mailing Assistant
TeamLease Services
02.2017 - 03.2018
Bachelor of Engineering - Electrical And Electronics Engineering
PGP College of Engineering And Technology
Diploma - Electrical And Electronics Engineering
KSR Polytechnic College
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