Senior Product Engineer, AI

Job not on LinkedIn

🕒 June 5

🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

👻 Ghost score 56%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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99x

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2004

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

99x is a global technology company that offers advanced digital solutions, including product engineering, web development, and tech expertise. With a team of 600 developers spread across five countries, 99x empowers businesses to thrive in the digital age by providing access to top-tier local and nearshore engineering talent. The company has a 20-year history of working with multinationals and software product companies, focusing on innovation and automation. 99x is known for its strong emphasis on attracting the top 1% of tech talent and its development centers around the world, including in Malaysia. The company delivers scalable and user-centric solutions using low-code platforms and integrates technologies like Artificial Intelligence and Machine Learning to streamline business processes.

📋 Description

• Own product features end-to-end, from problem definition and architecture to deployment, monitoring, and continuous improvement • Build AI-driven product experiences and integrate modern AI tools into the engineering workflow • Collaborate cross-functionally 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 • Drive 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 up to date with emerging technologies, AI trends, and modern software engineering practices

🎯 Requirements

• 6+ years of experience in software engineering, with 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 a core part of the engineering process • Demonstrated product ownership mindset, with experience 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, with the ability to represent technical solutions in client-facing and commercial discussions • Proven experience mentoring engineers and driving AI upskilling initiatives within development teams • Solid understanding of modern frontend development practices, 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

• Your pick when it comes to employment models: CLT/PJ/Cooperativa • A fully remote work environment with flexible working hours • Bonus for any referrals that we end up hiring