Java Jobs in Hayward, CA

Software Developer$60 - $120/hourpay

Required Skills

PythonRustGoLangFull-stackJAVANode.jsAndroid DevelopmentiOS Development

About micro1

micro1 is the leading AI data lab for training frontier models and evaluating AI agents. Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-quality training data, evaluations, and feedback loops that improve how AI systems learn, reason, and perform.

Our platform identifies and vets top talent through an AI recruiter, enabling high-quality expert contributions at scale. We aim to enable 1 billion people to do meaningful work by applying their expertise to AI. As our global expert network grows, micro1 is building the human intelligence layer for frontier AI.

Job Title: Software Developer

Job Type: Contract

Location: 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:

1. Design, implement, and maintain scalable back-end and full-stack applications using Python, Rust, GoLang, Java, or Node.js.
2. Collaborate closely with cross-functional team members to deliver high-quality software solutions that meet evolving business requirements.
3. Write clean, efficient, and well-documented code, following best software engineering practices.
4. Troubleshoot, debug, and optimize existing codebases to improve performance and reliability.
5. Participate in code reviews, technical discussions, and architectural planning to drive continuous improvement.
6. Contribute to the full software development lifecycle, from concept and design to testing and deployment.
7. Maintain clear, concise, and thoughtful written and verbal communication across distributed teams.

Required Skills and Qualifications:

1. 3+ years of hands-on experience in software development with one or more of the following: Python, Rust, GoLang, Java, Node.js, Android, IOS or full-stack development (backend or full-stack).
2. Proficiency in building scalable, reliable, and maintainable software systems.
3. Experience working in remote, collaborative, and agile environments.
4. Expertise in modern development tools, version control systems, and CI/CD pipelines.
5. Strong problem-solving skills with keen attention to detail.
6. Excellent written and verbal communication skills, with a high standard for clarity and professionalism.
7. Self-driven, proactive, and able to work independently in a distributed setting.

Preferred Qualifications:

1. Experience with cloud platforms such as AWS, GCP, or Azure.
2. Knowledge of DevOps principles and containerization technologies.
3. Background in mentoring or leading small engineering teams.