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We're looking for a Senior ML/AI Engineer to own and evolve our LLM-powered user experience. You'll work directly with our technical co-founder to build, optimize, and monitor agent systems that parse workout descriptions, provide scaling recommendations, and enable conversational data retrieval - all with production-grade accuracy and speed. This is a hands-on role focused on the ML/AI engineering side: prompt engineering, model optimization, agent orchestration, and continuous improvement based on real-world usage patterns. What You'll Do Core Responsibilities Own the workout parsing system: improve accuracy of our fine-tuned model (currently Qwen-based) that converts natural language workout descriptions into structured schemas Design and implement agent workflows for workout scaling recommendations and performance tracking Build observability workflows using Langfuse to identify and systematically address model performance issues Optimize agent response latency while maintaining accuracy across our tool-based reasoning system Collaborate on agent architecture decisions, including potential migration to frameworks like DSPy Ship production features: workout entry system, scaling recommendations, and score reporting What We're Looking For Required 5+ years of ML/AI engineering experience with at least 2 years working with LLMs in production Strong prompt engineering and model optimization skills Experience building and deploying agent systems with tools/functions Proven ability to use observability platforms to diagnose and improve model performance Experience with model fine-tuning (any framework/approach) Strong Python programming skills Active CrossFit participant - candidates should understand standard movements and workout structures Strongly Preferred: Experience with agent orchestration frameworks (DSPy, LlamaIndex, or similar) Background in production ML operations and monitoring Experience with or similar serverless ML platforms Track record of iteratively improving LLM systems based on user feedback and metrics Experience fine tuning similar open-source LLMs Success in First 6 Months Ship workout entry system with improved parsing accuracy Launch basic workout scaling recommendations Implement user score reporting and retrieval Establish robust monitoring workflows to catch and address model failures and poor user experiences Contribute to agent architecture decisions as we scale
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Brazil Dry Ground AI Tempo inteiroPosition Overview We are seeking a versatile and highly skilled AI Engineer to join our fast-growing Full-Stack AI Solutions company. This role blends the expertise of building cutting-edge AI/ML models with the practical know-how of automation and agentic system integrations. You will design, develop, deploy, and optimize intelligent solutions that leverage...
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Brazil Dry Ground AI Tempo inteiroPosition Overview We are seeking a versatile and highly skilled AI Engineer to join our fast-growing Full-Stack AI Solutions company. This role blends the expertise of building cutting-edge AI/ML models with the practical know-how of automation and agentic system integrations. You will design, develop, deploy, and optimize intelligent solutions that...
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Brazil, BR Dry Ground AI Tempo inteiroPosition Overview We are seeking a versatile and highly skilled AI Engineer to join our fast-growing Full-Stack AI Solutions company. This role blends the expertise of building cutting-edge AI/ML models with the practical know-how of automation and agentic system integrations. You will design, develop, deploy, and optimize intelligent solutions that leverage...
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Software Engineer w/ AI Automation Experience
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Brazil AI Architechs Tempo inteiroWhy You Will Want This Role• Competitive compensation with opportunities for bonuses and long-term growth • Fully remote position with flexible working hours aligned with U.S. East Coast time • Continuous training in software and AI engineering, guided by leading experts • Clear career advancement through placement in U.S. companies investing in...
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Lead AI Engineer
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Brazil GeorgiaTEK Systems Inc. Tempo inteiroLead AI Engineer (3 Positions) Location: Brazil (Remote / Hybrid based on project needs) Role Overview We are seeking highly skilled Lead AI Engineers based in Brazil to design, develop, and deploy scalable AI and machine learning solutions across enterprise systems. The ideal candidates will have strong expertise in Generative AI , RAG architectures , LLMs...
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Lead AI Engineer
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Brazil GeorgiaTEK Systems Inc. Tempo inteiroLead AI Engineer (3 Positions) Location: Brazil (Remote / Hybrid based on project needs) Role Overview We are seeking highly skilled Lead AI Engineers based in Brazil to design, develop, and deploy scalable AI and machine learning solutions across enterprise systems. The ideal candidates will have strong expertise in Generative AI, RAG architectures, LLMs,...
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Transformative AI Engineer
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Brazil beBeeEngineer Tempo inteiroWe're seeking an innovative Senior AI Engineer to spearhead our product innovation. With 5+ years of software and AI/ML engineering expertise, you'll be responsible for designing, implementing, and operationalizing AI-native services that transform the utility sector. This role combines applied AI/ML expertise with strong back-end engineering skills,...
