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Java Backend Developer

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Onsite

Java Backend Developer

Flexton Inc.

Java Backend Developer

Skills

SQL QueriesJavaMicroservicesCassandraAzure

25 days ago

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Important information


Contract type:

Freelance / Contract

Location:

San Francisco, CA, USA

Work mode:

Onsite

Published on:

26 September 2026

What they need


Java Backend Developer with 5+ years of hands-on experience, The ideal candidate should have a strong foundation in backend development concepts and be eager to contribute to scalable backend systems and APIs.

Key Responsibilities:

  • Assist in developing, testing, and maintaining backend applications using Java and related frameworks.
  • Support the design and implementation of REST APIs and backend services.
  • Collaborate with senior developers to build scalable and reliable applications.
  • Work closely with frontend developers to integrate user-facing elements with backend services.
  • Write clean, reusable, and efficient code following coding standards.
  • Participate in debugging, troubleshooting, and performance optimization activities.
  • Work with relational and NoSQL databases such as SQL and Cassandra.
  • Gain exposure to cloud platforms like Azure and backend deployment processes.
  • Participate in code reviews, testing, and application deployment activities.
  • Learn and adopt new technologies and best practices to improve development efficiency.

Required Skills and Qualifications:

  • 5+ years of hands-on experience in Java development.
  • Master's degree in Computer Science or related field from top colleges/universities in the US.
  • Visa-independent candidates preferred.
  • Basic understanding of Java, OOP concepts, and backend development.
  • Familiarity with SQL and exposure to NoSQL databases like Cassandra.
  • Basic knowledge or exposure to Azure or other cloud platforms.
  • Understanding of data structures and algorithms fundamentals.
  • Familiarity with RESTful APIs and microservices concepts.
  • Strong analytical and problem-solving skills.
  • Ability to work in a collaborative team environment and willingness to learn.
  • Exposure to testing tools/frameworks is a plus.

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