Senior Full-Stack Software Engineer

Job Title: Senior Full-Stack Software Engineer

Job Type: Contractor

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:

• Lead the end-to-end design, development, and deployment of robust web applications leveraging React and Node.js.
• Define and implement scalable, maintainable, and secure system architectures.
• Mentor, support, and elevate fellow engineers through technical guidance and code reviews.
• Drive and enforce best practices in coding standards, testing, and documentation.
• Collaborate closely with product and design teams to deliver seamless user experiences.
• Identify and resolve technical challenges, continuously improving application performance and reliability.
• Champion clear, effective written and verbal communication to foster alignment across teams.

Required Skills and Qualifications:

• Expertise in JavaScript, with advanced proficiency in React and Node.js ecosystems.
• Deep understanding of RESTful APIs, microservices, and modern web application architecture.
• Proven experience architecting, building, and deploying scalable full-stack solutions.
• Strong knowledge of security best practices for both frontend and backend development.
• Exceptional written and verbal communication skills, essential for remote collaboration.
• Demonstrated ability to mentor and develop engineering talent.
• Self-motivated, detail-oriented, and passionate about code quality and best practices.

Preferred Qualifications:

• Experience with Python for backend development.
• Background in cloud infrastructure and DevOps practices.
• Prior leadership or technical lead experience in a fast-paced, remote environment.