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Senior AI-first Product Engineer

1 hour, 22 minutes ago
Brazil
Full-time
Senior
Full-stack Engineer
Software Development
Next.js Node.js Python React TypeScript
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99x

99x

99x is a global tech company co-creating innovative digital products with advanced engineering tools and research to drive clients beyond traditional software delivery.

Construction & Engineering
251-1K
Founded 2000
View All Jobs 3

Description

  • Own product features end-to-end, from problem definition and architecture through deployment, monitoring, and continuous improvement.
  • Build AI-driven product experiences and integrate modern AI tools into the engineering workflow.
  • Collaborate with product, design, engineering, and business stakeholders to deliver impactful solutions.
  • Contribute across the stack, including frontend, backend, APIs, integrations, and cloud-based services.
  • Represent the company in technical and commercial discussions with clients, partners, and stakeholders.
  • Lead technical discovery sessions, solution design, and architecture discussions.
  • Mentor and upskill engineering teams on AI-assisted development practices and modern engineering workflows.
  • Optimize applications for performance, scalability, maintainability, and user experience.
  • Write clean, maintainable, well-tested, and well-documented code.
  • Stay current with emerging technologies, AI trends, and modern software engineering practices.

Requirements

  • 6+ years of experience in software engineering.
  • Strong expertise in React, Next.js, TypeScript, Node, or Python.
  • Proven experience building and scaling modern web applications across the full stack.
  • Strong understanding of software architecture, distributed systems, APIs, and scalable application design.
  • Hands-on experience using AI tools and AI-assisted development workflows as part of the engineering process.
  • Demonstrated product ownership mindset, including leading features or products from discovery to production and beyond.
  • Ability to think from first principles, challenge assumptions, and solve complex business and technical problems.
  • Strong communication and presentation skills for client-facing and commercial discussions.
  • Proven experience mentoring engineers and driving AI upskilling initiatives within development teams.
  • Solid understanding of modern frontend development, component architecture, and responsive design principles.
  • Familiarity with cloud platforms, CI/CD pipelines, monitoring, and modern DevOps practices.
  • Advanced English communication skills, both written and verbal.

Benefits

  • Choice of employment model: CLT, PJ, or Cooperativa.
  • Fully remote work environment.
  • Flexible working hours.
  • Referral bonus for hired candidates.

Interested in this position?

Apply directly on the company website

Apply Now

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