Senior Full-Stack Engineer - Remote AI Training Project

Synthires; United States; Remote; AUD 101,000 - 202,000; Full time

Job summary

Synthires is seeking a Senior Full-Stack Software Engineer for a remote, contractor role. You will contribute to an AI training project, handling both front-end and back-end tasks and translating code across languages.

The position emphasizes practical, hands-on development across the full stack and collaboration on architecture and problem solving. The role requires the ability to work across unfamiliar codebases, review AI-generated solutions, and deliver high-quality, maintainable code.

Qualifications

• Hands-on experience in both front-end and back-end engineering.
• Ability to understand and contribute to the architecture of complete software systems.
• Ability to navigate unfamiliar codebases and understand existing structure.
• Strong debugging, analytical, and technical problem-solving skills.

Responsibilities

• Develop, modify, and debug front-end and back-end components.
• Implement user-facing features alongside services, APIs, and data models.
• Navigate unfamiliar codebases and understand existing architecture.
• Diagnose issues with application state, APIs, authentication, data persistence, networking, and deployment.
• Translate code across multiple programming languages.
• Review AI-generated solutions for correctness, performance, security, and maintainability.
• Create and validate technically challenging software tasks for AI training/evaluation.
• Provide clear technical feedback on implementation quality and design.

Skills

End-to-end engineering

Software architecture understanding

Codebase navigation

Debugging & problem solving

Job description

Synthires is seeking a Senior Full-Stack Software Engineer for a remote, contractor role. You will contribute to an AI training project, handling both front-end and back-end tasks and translating code across languages.

The position emphasizes practical, hands-on development across the full stack and collaboration on architecture and problem solving. The role requires the ability to work across unfamiliar codebases, review AI-generated solutions, and deliver high-quality, maintainable code.