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AI Engineer / AI Visionary

Limestone Digital is looking for AI Engineer to expand our team.

VACANCY CODE: 107145. Tell this code to our recruiter.

Europe

Engineers

Required Skills

  • Strong experience in AI/ML model selection, deployment, and optimization (reinforcement learning, predictive modeling, real-time decision systems);
  • Ability to independently research, test, and refine AI models tailored to the business problem;
  • Experience integrating AI into SaaS platforms via APIs, cloud-based AI services, or custom ML pipelines;
  • Solid technical skills to prototype models and collaborate effectively with developers for full-scale deployment;
  • Product-oriented mindset - understanding that AI isn’t just about models but about delivering real business impact.

Nice to have

  • Familiarity with cloud-based AI services (AWS SageMaker, Google Vertex AI, Azure AI);
  • Experience with real-time decision engines and ad-tech optimization;
  • Strong background in deep learning, reinforcement learning, or online learning systems.

Responsibilities

  • Design and deploy AI services that analyze real-time engagement, spend, and retention data to optimize incentives dynamically;
  • Optimize for ROAS by balancing user engagement with advertiser spend efficiency, ensuring deep and sustained user interactions;
  • Guide development teams by selecting the right AI frameworks, models, and infrastructure while collaborating on full implementation;
  • Prototype AI solutions independently and work with developers to integrate them seamlessly into the SaaS platform;
  • Stay ahead of AI trends and identify cutting-edge AI/ML techniques applicable to real-time user behavior modeling and reward optimization.

We Offer

  • We invite you to join our friendly international team;
  • Comfortable work schedule;
  • Zero bureaucracy;
  • Pleasant working atmosphere;
  • Interesting projects and challenging tasks;
  • Opportunities for self-realization, professional and stable career growth;
  • The optional partly compensation for learning English language.
About the project We are looking for an AI Engineer / Visionary to lead the integration of AI-driven real-time decision optimization into our SaaS platform.
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Middle Recruiter
Oleksandra Marchyk
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Benefits

1

Work in a super friendly, truly open-minded team with a family-like vibe.

2

Competitive salary, paid vacation and social benefits.

3

The optional partly compensation for learning English language.