Flexton Inc.
Java Backend Developer
Skills
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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