Senior Java Software Engineer

Flexton Inc.; Sunnyvale (CA); On-site; USD 140,000 - 170,000; Full time

Job summary

Flexton Inc. in Sunnyvale, CA is seeking a Java Developer to design, build, and maintain high-performance Java applications.

You will develop microservices with Spring Boot and Kubernetes, and integrate Kafka for event-driven data streaming while optimizing Cassandra-backed storage. You will collaborate with DevOps, QA, and Product teams to ensure robust, scalable solutions and participate in code reviews and system performance tuning.

Qualifications

• Bachelor's degree in CS, Engineering or equivalent experience.
• 3-4 years hands-on experience as a Java Developer.
• Strong proficiency in Core Java and Spring Boot.

Responsibilities

• Design, develop, and maintain high-performance Java-based applications.
• Build and manage microservices using Spring Boot and Kubernetes.
• Integrate and manage Kafka for event-driven messaging and data streaming.
• Implement and optimize data storage solutions using Cassandra.
• Collaborate with DevOps, QA, and Product for seamless delivery.
• Participate in code reviews, debugging, and performance optimization.
• Follow CI/CD, version control, and software engineering best practices.
• Ensure security, reliability, and scalability across environments.

Skills

Core Java

Spring Boot

Kafka

CI/CD

Code reviews

Education

Bachelor's degree in Computer Science, Engineering, or equivalent experience

Tools

Kubernetes

Kafka

Cassandra

Job description

• Design, develop, and maintain high-performance Java-based applications.
• Build and manage microservices using Spring Boot and Kubernetes.
• Integrate and manage Kafka for event-driven messaging and data streaming.
• Implement and optimize data storage solutions using Cassandra.
• Collaborate with cross-functional teams including DevOps, QA, and Product for seamless delivery.
• Participate in code reviews, debugging, and system performance optimization.
• Follow best practices in CI/CD, version control, and software engineering.
• Ensure application security, reliability, and scalability across environments.

Required Skills and Qualifications:

• Bachelor's degree in Computer Science, Engineering, or equivalent experience.
• 3-4 years of hands-on experience as a Java Developer.
• Strong proficiency in Core Java and Spring Boot.