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Key Responsibilities
- Design, develop, and maintain Core Java / J2EE / Servlet-based applications in a monolithic architecture, while contributing to modernization initiatives (cloud deployment, SaaS enablement).
- Collaborate closely with architects and product teams to define scalable solutions and technical designs.
- Provide end-to-end ownership of modules, from requirements analysis to deployment and performance optimization.
- Work on application modernization initiatives, including cloud migration, SaaS enablement, and performance improvements.
- Develop and review UML diagrams, architecture diagrams, and design specifications.
- Write high-quality code, perform code reviews, and ensure compliance with best practices, performance, and security standards.
- Contribute as an individual contributor (IC) in a client-facing setup, representing delivery excellence to Siemens stakeholders.
- Mentor junior engineers (where needed) and provide solutions to complex technical challenges.
Must-Have Technical Skills
- Core Java, J2EE, Servlets – deep expertise, fully hands-on.
- Strong knowledge of concurrency, collections, multithreading, synchronization, and locks (read/write locks).
- Expertise in data structures, algorithms, OOPS concepts (association, relationships, class-object fundamentals).
- Strong understanding of monolithic architecture and exposure to modernization towards cloud/SaaS.
- Experience in writing unit test cases (JUnit/TestNG).
- Problem-solving ability through low-level design, UML diagrams, and system design concepts.
- Hands-on experience in building scalable, performant applications.
- Exposure to client-facing roles and working with product architects or services companies managing long-term ODCs.
Good-to-Have Skills
- Exposure to Azure/AWS cloud deployments.
- Experience in performance tuning and optimization.
- Prior experience in large-scale enterprise product development (companies like GS Labs, Persistent, Nvidia, Veritas, Symantec preferred).
- SaaS enablement experience.
Educational Qualification
- B.Tech / MCA (or equivalent).
 Exp:15-20 Yrs
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