Senior C++ Software Engineer – Mobile Payment SDK, Qt, Security, EMV

Netcetera

. Own the CloudPay client library in C++/Qt, including maintenance, bug fixing, security updates, and technical specification .

Posted 10/21/2026full-timeSkopje • North MacedoniaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in modern C++ and Qt for developing and maintaining client libraries, with a strong focus on CI/CD practices using Jenkins and Python for automation. Proficient in troubleshooting and supporting banking clients while ensuring security and compliance in mobile app development.

Highest-signal resume keywords

Modern C++ DevelopmentQt FrameworkCI/CD with JenkinsPython AutomationCross-Platform Builds

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Applicant Tracking System Keywords

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Hard Skills

C++QtCMakePythonOpenSSLMobile App DevelopmentCross-CompilingCI/CDNode.jsApplied Cryptography

Soft Skills

Quality-Focused Working StyleEffective Communication

Tools & Technologies

JenkinsAndroid NDKIOS XcodeCloudPay Nova SDKSecurity Toolchains

Industry Keywords

EMV PaymentsContactless PaymentsTokenizationCard Scheme CertificationPentest Findings

Tech Stack

Tools & technologies

AndroidiOSJavaScriptJenkinsNode.jsPythonQtC++

About the role

Key responsibilities & impact

Own the CloudPay client library in C++/Qt, including maintenance, bug fixing, security updates, and technical specification
Troubleshoot and support bank customers in collaboration with product owners, QA, mobile, and backend teams
Produce and release customer-specific Android and iOS builds, including configurations, certificate renewals, and OS platform updates
Maintain and update Qt, OpenSSL, and security/obfuscation toolchains and cross-compile them for different targets
Maintain the CMake and Jenkins CI build pipeline and automate with Python
Help customers migrate to the next-generation CloudPay Nova SDK
Maintain the Node.js sandbox/simulator used for integration testing
Participate in certification and security reviews, including delta documentation, scheme requirements, and pentest findings

Requirements

What you’ll need

Solid professional experience in modern C++, ideally with Qt
CMake and cross-platform builds, including cross-compiling third-party libraries
Python for tooling and automation
CI/CD, preferably Jenkins
Careful, quality-focused working style
Willingness to own a mature, business-critical product and communicate directly with customers’ engineers
Fluent English
Android NDK/AAR and/or iOS Xcode/frameworks build and integration experience (nice to have)
Applied cryptography, OpenSSL, TLS/PKI, mobile app hardening, obfuscation, white-box cryptography, and root/jailbreak detection (nice to have)
EMV and contactless payments, tokenization (MDES/VTS), and card scheme certification (nice to have)
Node.js (nice to have)

Benefits

Comp & perks

Adjust your time to work efficiently, including working hours, part-time options, or unpaid leave
5 additional paid vacation days per year
Private health insurance for you and your family
Yearly education fund for conferences, courses, lectures, or long-term education
Lunch allowance each working day
Free fruit and drinks in the office