RemoFirst
AI/ML engineer
RemoFirstPortugal1 day ago
Full-timeEngineering, Information Technology
We are one of the fastest-growing private companies in the USA, recently at 85th position on the Inc. 5000 list of fastest-growing companies in 2025. Backed by $40+M in venture funding, we are scaling rapidly and investing heavily in AI-driven solutions to supercharge our operations.We’re hiring an AI Engineer to join our team at the intersection of engineering, AI innovation, and go-to-market execution. This role is perfect for a passionate AI practitioner who wants to see their work directly impacts new innovative products, company’s growth and leads to expanding own competencies in the field.

What You’ll Do

  • Implement new AI features in products
  • Build tools & frameworks augmenting the capabilities of LLM/VLMs
  • Build AI automations & AI agents
  • Fine-tune AI models
  • Fine-tune and maintain models with the HuggingFace toolkit
  • Monitor model's performance
  • Work with and guide internal teams on building custom datasets
  • Research & Development
  • Rapidly build and test AI-driven concepts — moving from proof of concept → MVP → production
  • Evaluate existing solutions (both internal & external) and conduct experiments on potential improvements


What We’re Looking For

  • Technical skills
  • Strong software engineering background: Python, Rust is a nice-to-have
  • Experience in parameter-efficient fine-tuning
  • Knowledge and familiarity with the tools in AI ecosystem (ML frameworks, HuggingFace, MLOps, Guardrails, AI Agents)
  • Understanding the theory behind neural networks and Transformer architecture
  • Experience
  • 2–5 years in AI/ML space, at least 2 years with language models
  • experience with other modalities (vision, audio) is a nice-to-have
  • Track record of going from idea → prototype → production in fast-paced environments
  • Previous experience in R&D department is highly valued
  • Traits
  • Curiosity and willingness to learn
  • Ability to take ownership, but also cooperate in small teams
  • Ambition to reach new levels of quality


Why Join Us

  • Growth opportunity: This is a chance to define how AI transforms a category-leading startup — and grow your career as we scale.
  • As a part of our AI team you will be able to learn from other engineers and ongoing R&D projects
  • Direct impact: Your work will be at the center of the most important projects in our companyCompetitive compensation and benefits


We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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