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Strong brand, popular backend title, mid-level (4–6 years), and metro location increase applicant competition.
Core Java backend skills are transferable across industries, though PCI/security experience adds moderate domain specificity.
Explicit 4–6 years plus specific mandatory Java, Spring Boot, security, and SQL requirements create strict filtering.
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Design, develop, and maintain enterprise-grade, high-availability payment applications using Java, Spring Boot, and related technologies, ensuring stability of core transaction flows.
Build and optimize scalable, secure applications complying with architectural, compliance, and PCI-DSS security standards.
Own end-to-end service development to ensure platform reliability and support business growth and innovation.
4-6 years of hands-on experience with Java, Spring Boot, and Hibernate.
Strong knowledge of object-oriented programming, data structures, algorithms, REST APIs, and web services (XML, JSON).
Experience with application security implementation using OAuth2, OIDC, Spring Security or Java security.
Experience with relational databases (SQL, Oracle, PL/SQL) and Unix/Linux platforms.
Experienced in developing and maintaining secure, scalable payment gateway or enterprise-level backend systems.
Familiar with compliance standards like PCI-DSS and tools for code quality and security such as SonarQube, Snyk, Checkmarx.
Comfortable operating in Agile development environments with ownership of end-to-end service delivery and platform reliability.