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Tier-1 brand, common backend role, mid-level experience, and metro location increase candidate competition.
Core Java backend skills are transferable, but payments domain and PCI‑DSS security needs increase specificity.
Explicit 4–6 years plus mandatory Java/Spring/Security/PCI and testing tools raises shortlisting rigidity.
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Design, develop, and maintain enterprise-grade, high-availability payment applications using Java, Spring Boot, Hibernate, and other technologies ensuring stability of core transaction flows.
Build and optimize scalable, secure applications aligned with architectural, compliance, and PCI-DSS security standards, including implementing application security using OAuth2 and OIDC.
Drive end-to-end service development with focus on platform reliability, producing high-quality, fully tested code to reduce technical debt and support business expansion.
4-6 years of hands-on experience in 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), security tools (SonarQube, Snyk, Checkmarx), unit testing (JUnit), and relational databases (SQL, Oracle, PL/SQL).
Familiarity with Unix/Linux, GitHub/version control, build tools (Maven, Gradle), and Agile QA/Dev processes.
Experienced in developing secure, scalable Java backend services in compliance-driven environments (PCI-DSS).
Comfortable owning end-to-end service lifecycle including design, testing, deployment, and maintenance in an Agile environment.
Ability to implement and maintain application security protocols and tools to meet strict compliance and architectural standards.