Senior Software Engineer

Flexton Inc.; Sunnyvale (CA); On-site; USD 120,000 - 190,000; Full time

Job summary

Flexton Inc. is seeking a Java Software Engineer to join our backend team in Sunnyvale, CA. You will work on scalable applications using Java and Spring Boot, building microservices and REST APIs, and implementing event-driven architectures with Apache Kafka.

The role requires hands-on experience with SQL databases, Git, and CI/CD practices. You will collaborate with QA, product, and engineering teams in an Agile environment, contribute to code reviews, testing, and deployments, and help

Qualifications

• 4+ years of experience in software development.
• Hands-on experience with Java.
• Experience with Spring Boot and Microservices.
• Strong experience with Apache Kafka.
• Good knowledge of SQL and relational databases.
• Experience with Git and CI/CD.

Responsibilities

• Develop and maintain scalable applications using Java and Spring Boot.
• Design and develop microservices and REST APIs.
• Build event-driven applications using Apache Kafka.
• Develop Kafka producers and consumers and work with topics, partitions, and consumer groups.
• Work with SQL databases and optimize queries when needed.
• Troubleshoot application issues and improve system performance.
• Participate in code reviews, testing, and deployments.
• Collaborate with QA, product, and engineering teams in an Agile environment.

Skills

Java

Spring Boot

Microservices

Kafka

SQL

Git

CI/CD

Problem solving

Communication

AWS

Docker

Kubernetes

Tools

Docker

Kubernetes

AWS

Job description

We are looking for a Java Software Engineer with strong experience in backend development, microservices, and event-driven applications. The ideal candidate should have hands-on experience with Java, Spring Boot, Kafka, REST APIs, and SQL.

Key Responsibilities

• Develop and maintain scalable applications using Java and Spring Boot.
• Design and develop microservices and REST APIs.
• Build event-driven applications using Apache Kafka.
• Develop Kafka producers and consumers and work with topics, partitions, and consumer groups.
• Work with SQL databases and optimize queries when needed.
• Troubleshoot application issues and improve system performance.
• Participate in code reviews, testing, and deployments.
• Collaborate with QA, product, and engineering teams in an Agile environment.

Required Skills

• 4+ years of experience in software development.
• Strong hands‑on experience with Java.
• Experience with Spring Boot and Microservices.
• Strong experience with Apache Kafka.
• Good knowledge of SQL and relational databases.
• Experience with Git and CI/CD.
• Good problem-solving and communication skills.

Preferred Skills

• Experience with AWS or other cloud platforms.
• Knowledge of Docker/Kubernetes.
• Experience with messaging and event-driven architectures.
• Experience working in Agile/Scrum environments.