Senior Java Developer Spring Boot :

Primary Skills: Java Development (Expert), Spring Boot / Spring Framework (Expert), Microservices Architecture (Expert), Relational Database Design & Optimization (Advanced), REST API & Backend Development (Expert) Contract Type: W2 Only Duration: 7+ Months Location: Pleasanton, CA – Onsite 5 Days/Week Pay Range: $80 - $85 on W2 Job Summary: We are seeking a highly experienced Senior Java Developer with 10+ years of hands-on development experience and strong expertise in Java, Spring Boot, microservices, and relational databases. The ideal candidate will have a strong background in retail environments and experience designing scalable, high-performance backend applications. This role will also contribute to architecture, technical best practices, code reviews, mentoring, production support, and CI/CD improvements. Key Responsibilities: Design, develop, and maintain scalable, high-performance backend applications using Java and Spring Boot. Architect and implement microservices-based solutions and contribute to system architecture and technical roadmap decisions. Design and optimize database schemas, SQL queries, stored procedures, indexing, and overall database performance. Develop and maintain RESTful APIs and integrate backend services with cross-functional applications and platforms. Perform code reviews, mentor junior and mid-level developers, and promote clean code, design patterns, SOLID principles, and engineering best practices. Troubleshoot complex production issues and contribute to CI/CD, DevOps, security, scalability, and reliability improvements. Must-Have Skills: 10+ years of professional Java development experience with strong hands-on expertise. Expert-level Spring Boot / Spring Framework experience, including Spring MVC, Spring Data, and Spring Security. Proven experience designing and developing microservices architectures and RESTful APIs. Strong experience with relational databases such as MySQL, PostgreSQL, or Oracle, including schema design and query optimization. Retail industry experience with strong enterprise application development experience. Nice-to-Have Skills: Experience with NoSQL databases such as MongoDB, Redis, or Cassandra. Experience with Kafka, RabbitMQ, or other messaging/event-driven technologies. Hands-on experience with Docker, Kubernetes, cloud platforms, and CI/CD tools such as Jenkins or GitLab CI. Experience with application monitoring and performance tools such as New Relic, Datadog, or Splunk. Preferred Qualifications: Strong experience with Hibernate/JPA, Maven/Gradle, Git, JUnit, and Mockito, including TDD practices. Knowledge of event-driven architecture, Agile/Scrum methodologies, and cloud-native application development. Prior technical leadership, mentoring, architecture, or design ownership experience. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience. ABOUT AKRAYA Akraya is an award-winning IT staffing firm consistently recognized for our commitment to excellence and a thriving work environment.Most recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! Industry Leaders in Tech Staffing As Talent solutions provider for Fortune 100 Organizations, Akraya's industry recognitions solidify our leadership position in the IT staffing space.We don't just connect you with great jobs, we connect you with a workplace that inspires! Join Akraya Today! Let us lead you to your dream career and experience the Akraya difference. Browse our open positions and join our team! Akraya