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Java Developer

$20 - $120/hr Worldwide Remote · worldwide coding Contract / freelance
Pay rate · $20 - $120/hr
  • Job Description
  • Java Developer
  • Contractor
  • Remote

Job Summary

In this role, 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 and implement scalable, efficient, and maintainable Java applications.
  • Collaborate with cross-functional teams to define, design, and deliver new features and enhancements.
  • Conduct thorough code reviews, ensuring adherence to best practices and high standards of code quality.
  • Troubleshoot and resolve complex technical issues in a timely manner.
  • Contribute to architectural decisions and participate in system integration planning.
  • Document technical designs, processes, and workflows clearly and effectively.
  • Stay updated with the latest Java developments, frameworks, and industry trends.

Required Skills and Qualifications

  • Expert-level proficiency in Java, with a strong portfolio of completed projects.
  • Solid experience with object-oriented design, data structures, and algorithms.
  • Strong written and verbal communication skills with the ability to explain technical details to non-technical stakeholders.
  • Proven ability to work independently in a remote environment while collaborating with distributed teams.
  • Demonstrated problem-solving skills and attention to detail.
  • Experience with version control systems such as Git.
  • Familiarity with agile methodologies and remote collaboration tools.

Preferred Qualifications

  • Experience with modern Java frameworks such as Spring or Hibernate.
  • Background in cloud-based deployments or microservices architecture.
  • Previous experience working directly with international customers or distributed teams.
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