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Backend Java Developer

Job in Washington, District of Columbia, 20022, USA
Listing for: Executive Staff Recruiters / ESR Healthcare
Full Time position
Listed on 2026-09-29
Job specializations:
  • Software Development
    Backend Developer, Java Developer
Salary/Wage Range or Industry Benchmark: 83000 - 138000 USD Yearly USD 83000.00 138000.00 YEAR
Job Description & How to Apply Below

Backend Java Developer

(Use the "Apply for this Job" box below)..micro
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Job Type: Contractor

Location:

Remote

As a Backend Java Developer, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required - your domain knowledge is what matters.

Key Responsibilities
  • Design, develop, and maintain scalable backend systems using Java and Spring Boot.
  • Architect robust microservices solutions to support complex application requirements.
  • Collaborate with the customer's team to review technical specifications and deliver high-quality code.
  • Contribute expert insights to improve application performance, reliability, and security.
  • Participate in code reviews and provide constructive feedback to peers.
  • Document technical processes and solutions with clear, concise written communication.
  • Troubleshoot, debug, and optimize backend systems as needed.
Required

Skills and Qualifications
  • Expert proficiency in Java programming language.
  • Hands-on experience with Spring Boot framework for backend development.
  • Strong knowledge of microservices architecture and design principles.
  • Demonstrated ability to write clean, maintainable, and efficient code.
  • Exceptional written and verbal communication skills, with a keen attention to detail.
  • Experience collaborating with remote teams in a fast-paced environment.
  • Solid understanding of REST APIs, data structures, and backend best practices.
Preferred Qualifications
  • Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
  • Prior experience working on AI-driven or data-intensive projects.
  • Background in high-availability or distributed systems.
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