Android Developer specializing in payments and security for a global company in Karlskrona. Working with secure mobile development and payment solutions in a hybrid role.
Responsibilities
Develop native Android (Kotlin/Swift) and backend integration points for proximity communication, payment flows, and secure transaction handling
Implement secure, resilient payment capabilities and seamless integration with financial platforms
Proactively participate in secure code review, remediation, threat modeling, and security testing across the development lifecycle
Design and implement developer friendly APIs and modular SDK components with strong error handling, observability, and comprehensive validation through unit tests and functional tests
Collaborate closely with Ericsson team members, including architects, product owners, and security specialists; contribute to knowledge transfer and sustainable maintenance
Ensure compliance with relevant standards and regulations (e.g., OWASP MASVS, PCI, PSD2, EMV, GDPR) and maintain secure coding practices
Deliver in an agile environment with regular sprint demos and frequent progress updates
Requirements
Senior Android Developer with strong experience in secure mobile development and payment solutions
Native mobile development for Android (Kotlin/Swift); experience with optional cross-platform options (React Native, Flutter)
Proficiency in proximity communication technologies (NFC, Bluetooth, QR code) and device-to-device secure protocols
Hands-on experience with secure handling of sensitive data, and resilient transaction workflows
Strong secure coding practices, encryption, secure storage, and familiarity with Secure Elements/TEE
Ability to design and implement secure, modular SDK components and developer-friendly APIs
Knowledge of and experience with regulatory/compliance domains relevant to financial services (PCI, PSD2, EMV, GDPR)
Experience with automated testing (unit, integration, security testing) and threat modeling
Excellent collaboration and communication skills; fluent in English (Swedish a plus)
Benefits
75% remote work possibility
Full-time consultant position
7-months limited contract with possibility of extension
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