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Ubiminds

We deliver custom-curated digital product teams with Staff Augmentation & Employer-of-Record Services in Brazil.

Principal Full Stack Software Engineer – AI-First Development

AI EngineerMachine Learning EngineerFull TimeRemoteLeadTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

4 days ago

Salary

0

Seniority

Lead

Job Description

Principal Full Stack Software Engineer – AI-First Development

Ubiminds

• Build agentic workflows and AI-powered products. • Design and deliver production-grade AI solutions from concept to deployment. • Collaborate closely with Product and Engineering teams to deliver high-quality software. • Take ownership of ambiguous problems and drive initiatives end-to-end. • Mentor engineers and help elevate the team's AI capabilities. • Contribute to the evolution of AI standards, patterns, and engineering practices. • Develop scalable and maintainable solutions in a polyglot environment. • Promote strong collaboration and transparent communication across teams. • Influence the technical direction and AI culture of the organization.

Job Requirements

  • 8+ years of experience in Software Engineering, Machine Learning, or AI-related roles.
  • Strong proficiency in TypeScript.
  • Experience with LangGraph, LangSmith, and MCP Servers.
  • Proven track record building and deploying production AI/ML systems.
  • Experience across the full ML lifecycle, including data preparation, modeling, evaluation, deployment, and monitoring.
  • Hands-on experience with LLMs, Retrieval-Augmented Generation (RAG), and modern AI approaches.
  • Strong proficiency with Python or another major AI/ML language.
  • Ability to work effectively in polyglot environments.
  • Experience building products from 0→1 with high autonomy.
  • Advanced English communication skills.

Benefits

  • Are placed in a product-based company, with the same treatment as their full-time employees.
  • Have our full back-office support, from career guidance to HR and concierge services.
  • Enjoy our remote-first policy.
  • Get your own MacBook.
  • Have access to growth opportunities through tech talks, chapter meetings, and remote happy hours.
  • Improve your English through free lessons with native English speakers.
  • Participate in our Candidate Referral Program.
  • Optionally use our Florianópolis office with snacks, games, and weekly massages.

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