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Mid-level generalist backend title, 4–6 years range, and metro location drive high candidate competition.
Core Java backend skills are transferable, but payments and PCI‑DSS security requirements increase domain specificity.
Explicit 4–6 years requirement plus mandatory Java/Spring/Hibernate and security skills make screening stringent.
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Design, develop, and maintain enterprise-grade, high-availability payment applications using Java, Spring Boot, and Hibernate, ensuring core transaction flow stability.
Build and optimize scalable, secure applications compliant with architectural, PCI-DSS, and security standards, driving platform reliability.
Own end-to-end service development producing efficient, fully tested code aligned with engineering best practices to reduce technical debt.
4-6 years of hands-on experience with Java, Spring Boot, and Hibernate.
Strong knowledge of Java, OOP, data structures, algorithms, REST APIs, and web services (XML, JSON).
Experience with application security (OAuth2, OIDC), unit testing frameworks (e.g., JUnit), and relational databases (SQL, Oracle, PL/SQL).
Work Experience Required: 4-6 years
Experienced backend engineer with strong proficiency in Java ecosystem and security implementations within payment or high-availability enterprise applications.
Operates with a focus on scalable, secure, and compliant software development adhering to strict architecture and PCI-DSS standards.
Has hands-on experience in building robust, fully tested services and optimizing platform reliability in Agile environments.