Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (Next.js/Node): Building a robust Data Annotation Platform for AI development with an accent on handling diverse media at scale and solving unique UI/UX challenges. Focus on designing architectural proposals, scaling high-traffic services, and integrating AI-driven tooling to improve platform performance.

Location: Remote (Must be based in Europe or South America)

Company

hirify.global is a global network of top talent in business, design, and technology that enables companies to scale their teams on-demand.

What you will do

• Design and maintain reliable Node and React (Next.js) code for a high-traffic data platform.
• Own features from initial whiteboard concepts to production, including architectural designs and proposals.
• Perform code reviews and mentor teammates to foster a culture of constructive, transparent feedback.
• Experiment with AI-driven tools to enhance team productivity and overall platform performance.

Requirements

• Expert proficiency in TypeScript, JavaScript, Node, and React (Next.js).
• Strong understanding of PostgreSQL, Supabase, clean code principles, and testing.
• Ability to balance implementation speed with failure tolerance, security, and long-term maintenance.
• Must be based in Europe or South America.
• English: Proficiency required for all communication and application materials.
• No visa sponsorship or assistance provided.

Nice to have

• Proficiency with Tailwind CSS and experience building or maintaining Design Systems.
• Experience with Python for ML or LLM-related integrations.
• Familiarity with Vercel and CI/CD pipelines.
• Domain experience with data labeling, media processing (video/audio), or PDF manipulation.

Culture & Benefits

• Direct impact on the development of next-generation AI models.
• Innovation freedom to explore and implement new tools and frameworks.
• Collaboration within a highly skilled, remote-friendly global team.
• Clear opportunities for career growth into leadership positions.