03/26/2024 updated
100 % available
Technical Lead
Istanbul, Turkey
Worldwide
Java (Programming Language)Spring SecurityAndroid (Software)Android NDKC++ (Programming Language)Sales Till OperationData SecurityFinancesHibernateJava Persistence APISpring FrameworkJSONJava API For RESTful Web Services (JAX-RS)Java Native InterfacePostgreSQL
Java, Kotlin
Android, Android SDK, Android NDK, Java Native Interface (JNI), C/C++, OpenSSL,
Financial Services, Payment Systems, Mobile Payments, Contactless Payments, EMV, Point of Sale (POS) Systems, Payment Card Industry Data Security Standard (PCI DSS),
REST API, Spring Boot, Hibernate, JPA, JSON, XML
SQL, PostgreSQL, SQLite,
Redis, Kafka, RabbitMQ
Android, Android SDK, Android NDK, Java Native Interface (JNI), C/C++, OpenSSL,
Financial Services, Payment Systems, Mobile Payments, Contactless Payments, EMV, Point of Sale (POS) Systems, Payment Card Industry Data Security Standard (PCI DSS),
REST API, Spring Boot, Hibernate, JPA, JSON, XML
SQL, PostgreSQL, SQLite,
Redis, Kafka, RabbitMQ
Experience
Professional experience10+ years
Freelancer since2024
Languages
EnglishFluent
Project history
* Tap to Phone Solution implementation
* Android Keystore, Google Play Integrity, SafetyNet integration
* Native Code development for security (C/C++), OpenSSL integration
* Secure Channel, DUKPT implementation
* Code Obfuscation, Dexguard integration
* Security Evaluation, PCI-DSS, CPOC(Contactless Payments on COTS)
implementation
* Mastercard, Visa, Discover, Pure Kernel integration
* L2/L3 Certification support,
* Card-Based Payments, Contact/Contactless/Magnetic Payment, QR
Payment, PayByLink, Offline Wallet development
* Android POS device payment software development (Nexgo)
* High-Volume, High-Availability applications development
* Android Keystore, Google Play Integrity, SafetyNet integration
* Native Code development for security (C/C++), OpenSSL integration
* Secure Channel, DUKPT implementation
* Code Obfuscation, Dexguard integration
* Security Evaluation, PCI-DSS, CPOC(Contactless Payments on COTS)
implementation
* Mastercard, Visa, Discover, Pure Kernel integration
* L2/L3 Certification support,
* Card-Based Payments, Contact/Contactless/Magnetic Payment, QR
Payment, PayByLink, Offline Wallet development
* Android POS device payment software development (Nexgo)
* High-Volume, High-Availability applications development
* Tap to Phone Solution implementation
* Android Keystore integration
* Code Obfuscation, Dexguard integration
* Security Evaluation, PCI-DSS, CPOC(Contactless Payments on COTS)
implementation
* Mastercard, Visa, Discover, Troy Kernel integration
* L2/L3 Certification support,
* Card-Based Payments, Contact/Contactless/Magnetic Payment development
* BKM TechPOS integration
* Android POS device payment software development (SUNMI)
* Android Keystore integration
* Code Obfuscation, Dexguard integration
* Security Evaluation, PCI-DSS, CPOC(Contactless Payments on COTS)
implementation
* Mastercard, Visa, Discover, Troy Kernel integration
* L2/L3 Certification support,
* Card-Based Payments, Contact/Contactless/Magnetic Payment development
* BKM TechPOS integration
* Android POS device payment software development (SUNMI)
* Tap to Phone Solution implementation
* Security Evaluation, PCI-DSS, CPOC(Contactless Payments on COTS)
implementation
* Card-Based Payments, Contactless Payment development
* Security Evaluation, PCI-DSS, CPOC(Contactless Payments on COTS)
implementation
* Card-Based Payments, Contactless Payment development