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Senior Reinforcement Learning Engineer
Senior Reinforcement Learning EngineerHalian | Managed Services, Recruitment Agency & Contract Staffing • Miami, FL, US
Senior Reinforcement Learning Engineer

Senior Reinforcement Learning Engineer

Halian | Managed Services, Recruitment Agency & Contract Staffing • Miami, FL, US
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  • [job_card.full_time]
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Senior Reinforcement Learning Engineer – Bio-Defense & Complex Systems - (US-based only)

We're seeking a Senior Reinforcement Learning Engineer to join an advanced AI-driven technology company solving high-impact, real-world problems in healthcare, insurance, and complex system modeling. This role focuses on designing, implementing, and deploying RL-based decision-making and adaptive control systems in critical bio-defense, claims resilience, and risk-sensitive environments.

Role Overview :

As a Senior RL Engineer, you'll work at the intersection of reinforcement learning, simulation, and applied machine learning. You will translate theoretical RL and systems models into operational, production-ready solutions with measurable real-world impact. This is a hands-on role, with autonomy to drive experimentation, training, validation, and deployment of RL and multi-agent systems.

Key Responsibilities :

  • Design, implement, and optimize RL agents for complex, dynamic, and high-stakes environments
  • Develop simulation environments (stochastic, agent-based, or hybrid) to train and evaluate RL policies
  • Integrate RL models with supervised and unsupervised ML pipelines using structured (tabular) and temporal data
  • Evaluate model robustness, generalization, and failure modes under uncertainty or adversarial conditions
  • Collaborate with domain experts to formalize reward functions, constraints, and state spaces
  • Maintain hands-on involvement in experimentation, deployment, and optimization

Required Qualifications :

  • 4+ years of ML experience, with deep expertise in reinforcement learning
  • Strong foundation in MDPs, POMDPs, policy gradients, value-based methods, and model-based RL
  • Hands-on experience with RL frameworks such as Stable-Baselines, RLlib, or PyTorch / JAX implementations
  • Strong Python skills and experience building end-to-end ML pipelines
  • Comfortable working with tabular, time-series, and simulation-generated data
  • Preferred / Nice to Have :

  • Experience with agent-based modeling, digital twins, or hierarchical / multi-agent RL
  • Experience in high-stakes, regulated, or mission-critical environments
  • Familiarity with uncertainty modeling, robustness testing, or safety-aware RL
  • What We Value :

  • Systems-first mindset : thinking beyond models to real-world operational impact
  • Ability to work in ambiguous problem spaces with incomplete data
  • Strong ownership, technical rigor, and ethical awareness in high-impact AI systems
  • Why Join :

  • Work on mission-critical AI challenges that directly influence real-world outcomes
  • High autonomy and deep technical ownership
  • Shape next-generation decision-making and adaptive AI systems
  • Location : Florida / Remote within the US only available.

    If you're passionate about reinforcement learning, simulation, and building AI systems with tangible, high-stakes impact, this is an exciting opportunity to make a real difference.

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    Engineer Reinforcement Learning • Miami, FL, US

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