Role Overview
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Key Responsibilities
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- Design and implement scalable, high-performance Java services and microservices.
- Lead code reviews, enforce coding standards, and mentor junior developers.
- Collaborate with product owners to translate business requirements into technical specifications.
- Develop and maintain RESTful APIs, gRPC services, and messaging integrations.
- Optimize application performance through profiling, GC tuning, and concurrency management.
- Implement robust error handling, logging, and monitoring using tools like ELK, Prometheus, and Grafana.
- Drive continuous integration and continuous delivery pipelines with Jenkins, GitLab CI, or GitHub Actions.
- Ensure security compliance by applying OWASP guidelines, implementing authentication/authorization, and performing code audits.
- Manage database interactions using JDBC, JPA/Hibernate, and design efficient schemas.
- Coordinate with DevOps to provision and manage cloud resources (AWS, GCP, Azure).
- Conduct unit, integration, and performance testing; maintain test coverage metrics.
- Participate in incident response, root cause analysis, and post-mortem documentation.
- Stay current with Java ecosystem trends, evaluate new libraries, and recommend adoption.
- Document architecture decisions, API contracts, and deployment procedures.
- Foster a culture of knowledge sharing through workshops, brown-bag sessions, and internal tooling.
Required Experience and Qualifications
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Core requirements
- 5-8 years of professional Java development experience.
- Deep expertise in Core Java, Java EE/Jakarta EE, and Spring Framework.
- Proficiency with JPA/Hibernate, JDBC, and relational database design.
- Strong understanding of microservices architecture, containerization, and orchestration.
- Experience with CI/CD pipelines and automated testing frameworks.
- Solid grasp of concurrency, multithreading, and performance tuning.
- Familiarity with cloud platforms (AWS, GCP, Azure) and related services.
- Ability to write clean, maintainable, and well-documented code.
- Excellent problem-solving skills and a proactive mindset.
- Effective communication and collaboration in Agile teams.
Education and Credentials
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Education
- Degree in Bachelor's degree in Computer Science, Information Technology, or related field or a related field.
- Degree in Master's degree preferred or a related field.
Certifications and credentials
- Oracle Certified Professional, Java SE 8 Programmer certification.
- Oracle Certified Expert, Java EE Web Component Developer certification.
- AWS Certified Developer – Associate certification.
- Certified ScrumMaster (CSM) certification.
Skills
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Technical Skills
Tools, technologies, methods or specialist knowledge relevant to the work.
Functional Skills
Capabilities used to carry out responsibilities and deliver expected outcomes.
Soft Skills
Behaviours that support collaboration, communication, ownership and effective execution.
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Top 5 Interview Questions
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1. Explain how you would design a high-availability microservice in Java.
2. Describe a scenario where you optimized Java GC for a memory-intensive application.
3. How do you ensure thread safety in a concurrent Java application?
4. What is your approach to integrating a new database into an existing Java system?
5. Can you give an example of a time you mentored a junior developer?
Career Path and Progression
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Java remains a cornerstone of enterprise software, with a steady demand for seasoned developers who can bridge legacy systems and modern cloud-native architectures. The shift toward microservices, containerization, and DevOps has amplified the need for architects who can design resilient, scalable solutions. In India, the talent gap is widening, especially in high-growth sectors like fintech, health tech, and e-commerce, positioning Senior Java Developers for strong career prospects and competitive compensation.
History and Background
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Salary and Compensation Context
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Senior Java Developer FAQs
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