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Senior AI/ML Engineer

AI / ML Engineer • Senior • Remote • Full-time • Spain Spain

Plain Concepts is growing its international AI/ML squad and is looking for an experienced Senior AI Engineer to design tailor-made solutions, train and deploy models, and take them into production.

Responsibilities

  • ▹Participate in designing and developing AI solutions for challenging projects
  • ▹Build production-level ML/AI solutions following solid software engineering and ML/AI principles
  • ▹MLOps: automated deployment and monitoring of models and infrastructure
  • ▹Data analysis (data cleaning, variable transformation, etc.)
  • ▹Develop and train ML/AI models
  • ▹Put AI models into production, including parallelizing, optimizing, tuning and testing for production environments

Requirements

  • ▹7+ years of experience in AI, Machine Learning or Data Science
  • ▹Ability to lead projects independently and mentor other engineers
  • ▹Experience building end-to-end software products with AI or ML components
  • ▹Experience with Azure or other cloud-based solutions
  • ▹Strong Python skills and reasonable SQL understanding
  • ▹Testing as an essential part of development (unit, integration)
  • ▹Strong background in NLP and Computer Vision
  • ▹Hands-on experience across the full ML lifecycle, including designing and building scalable ML pipelines
  • ▹Experience with ML frameworks (TensorFlow, PyTorch) and MLOps tools
  • ▹Experience using GitHub Copilot or similar AI coding tools in real development workflows
  • ▹Fluent English and Spanish (mandatory)

Nice to have

  • ▹Experience with Big Data tools and cloud platforms (especially Azure)
  • ▹RESTful API development and DevOps practices (Docker, CI/CD)
  • ▹Familiarity with recommendation systems, unsupervised learning and ranking models
  • ▹Cognitive services, agentic AI
  • ▹Knowledge of TensorFlow Lite, TensorFlow Serving, gRPC and unit testing
  • ▹Strong object-oriented programming skills

Soft skills

Constant drive to learn and ability to learn quicklyStrong team player mindset

What we offer

  • ▹Salary determined by the market and your experience
  • ▹Flexible schedule, 35 hours/week
  • ▹Fully remote work (optional)
  • ▹Flexible compensation (restaurant, transport, childcare)
  • ▹Free medical and dental insurance
  • ▹Individual budget for training or equipment and free Microsoft certifications
  • ▹English lessons
  • ▹Birthday day off
  • ▹Monthly bonus for home electricity and internet expenses
  • ▹Discount on gym plan and sports activities
  • ▹Annual team-building event (Plain Camp)

About the company

An international AI/ML squad building tailor-made AI solutions for clients.

Languages: Angol: folyékony, Spanyol: folyékony

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