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Quantum Technologies Logo
Senior Core Java Backend Engineer

Quantum Technologies

 

Menlo Park, CA, USA

Posted On: 4 days ago
Experience: 7+ years
Availability: Hybrid
Openings: 1
Category: Core Java Backend Engineer
Tenure: Contract - Corp-to-Corp
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Description

You will design, develop, and maintain scalable Java-based enterprise applications and microservices.

This role is hybrid.

Responsibilities

  • Build and enhance microservices using Spring Boot and Spring MVC.
  • Optimize application and database performance through SQL tuning and execution plan analysis.
  • Develop and integrate RESTful APIs with downstream systems.
  • Troubleshoot production issues, resolving slow-running queries and locking bottlenecks.
  • Participate in code reviews, unit testing, and follow DevOps best practices.

Required Skills

  • 7+ years of hands-on Java application development (Java 8/11/17).
  • Deep expertise in Collections, Multithreading, Concurrency, and JVM Tuning.
  • Strong experience with Spring Boot, Spring Data JPA, and Spring Security.
  • Advanced SQL query optimization, stored procedures, views, indexing, and partitioning.
  • Experience with Oracle, SQL Server, PostgreSQL, or MySQL.
  • Proficiency with Hibernate/JPA and RESTful API design.
  • Familiarity with messaging technologies like Kafka, RabbitMQ, or JMS.
  • Working knowledge of Git, Maven, Jenkins, SonarQube, and CI/CD pipelines.

Preferred Skills

  • Exposure to Docker and Kubernetes.
  • Experience with AWS or Azure cloud platforms.

Education

Bachelor's degree

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