Sr. Java Developer (Backend)

Job Description: Senior Java Developer (Spring Boot)

Experience Required: 10+ Years

Location: Onsite 5 days at Pleasanton,CA

Looking for: Retail experience, strong java, spring boot

About the Role

We are looking for a Senior Java Developer with deep expertise in Java, Spring Boot, and database technologies to join our engineering team. You will play a key role in designing, developing, and maintaining scalable, high-performance applications, while mentoring junior developers and driving technical best practices across the team.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance backend applications using Java and Spring Boot

• Architect microservices-based solutions and contribute to system design discussions

• Write clean, efficient, and well-documented code following industry best practices

• Design and optimize database schemas, queries, and stored procedures for performance and scalability

• Collaborate with cross-functional teams including product managers, QA, DevOps, and frontend developers

• Conduct code reviews and provide constructive feedback to team members

• Troubleshoot, debug, and resolve complex production issues

• Mentor junior and mid-level developers, fostering technical growth within the team

• Participate in architectural decisions and contribute to technical roadmaps

• Ensure application security, scalability, and reliability standards are met

• Stay current with emerging technologies and recommend improvements to existing systems

• Contribute to CI/CD pipeline improvements and DevOps practices

Required Skills & Qualifications

• 10+ years of professional experience in Java development

• Strong hands-on experience with Spring Boot, Spring Framework (Spring MVC, Spring Data, Spring Security)

• Proven experience designing and building microservices architecture

• Strong expertise in relational databases (e.g., MySQL, PostgreSQL, Oracle) — schema design, query optimization, indexing

• Experience with NoSQL databases (e.g., MongoDB, Redis, Cassandra) is a plus

• Solid understanding of RESTful API design and development

• Experience with ORM frameworks (Hibernate/JPA)

• Proficiency in build tools (Maven/Gradle) and version control (Git)

• Experience with unit testing frameworks (JUnit, Mockito) and TDD practices

• Familiarity with containerization and orchestration (Docker, Kubernetes)

• Experience with message queuing systems (Kafka, RabbitMQ, or similar) is a plus

• Understanding of cloud platforms (AWS, Azure, or GCP)

• Strong knowledge of design patterns, SOLID principles, and clean code practices

• Experience with CI/CD tools (Jenkins, GitLab CI, or similar)

• Excellent problem-solving, analytical, and communication skills

• Bachelor's or Master's degree in Computer Science, Engineering, or related field (or equivalent practical experience)

Preferred Qualifications

• Experience with event-driven architecture

• Exposure to Agile/Scrum methodologies

• Prior experience in a technical leadership or mentorship role

• Knowledge of performance tuning and application monitoring tools (e.g., New Relic, Datadog, Splunk)

• Experience working in a fast-paced, cross-functional product environment