AI work directory Red Pen Jobs

Backend Java Developer

Listed pay: $60to 110 / hr

What the posting lists, in US dollars an hour.

50 openings on this one role.

Apply on micro1

If you're hired and complete 10 hours, micro1 pays this site a referral fee. Your pay is unaffected.

What happens after you click
Location
Remote, anywhere
Terms
Contract, full-time
Posted
· 3 weeks ago

Skills the posting asks for

  • JAVA
  • Spring Boot
  • Microservices

What the work is

Job Title: Backend Java Developer


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

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


Required Skills and Qualifications

  1. Expert proficiency in Java programming language.
  2. Hands-on experience with Spring Boot framework for backend development.
  3. Strong knowledge of microservices architecture and design principles.
  4. Demonstrated ability to write clean, maintainable, and efficient code.
  5. Exceptional written and verbal communication skills, with a keen attention to detail.
  6. Experience collaborating with remote teams in a fast-paced environment.
  7. Solid understanding of REST APIs, data structures, and backend best practices.


Preferred Qualifications

  1. Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
  2. Prior experience working on AI-driven or data-intensive projects.
  3. Background in high-availability or distributed systems.

From the micro1 posting.

Applying on micro1

What happens after you click

  1. The link opens this role on micro1. Sign up and apply from there.
  2. An AI interview, 20 to 40 minutes.
  3. If micro1 hires you, they match you to a project.
  4. The work is paid by the hour, at the $60–110 this posting lists.
  5. Remote, with no country restriction on the posting.
Apply on micro1

If you're hired and complete 10 hours, micro1 pays this site a referral fee. Your pay is unaffected.

Red Pen Jobs is independent. We are not affiliated with, endorsed by, or acting for micro1 in any way, and we do not recruit on its behalf.

micro1's referral terms

More roles for software engineers

Every role we hold for software engineers