Senior Machine Learning Engineer

🕒 vor 5 Monaten

🇨🇦 Kanada – Remote

⏰ Vollzeit

🟠 Senior

🤖 Machine-Learning-Entwickler

👻 Geisterscore 50%

infoinfo

🗣️🇺🇸🇬🇧 Englisch erforderlich

Cloud

PyTorch

Tensorflow

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Cresta

51 - 200 Mitarbeiter

☁️ SaaS

🤖 Künstliche Intelligenz

🏢 Unternehmen

SaaS • Artificial Intelligence • Enterprise

Cresta ist eine Enterprise‑AI‑Plattform, die darauf ausgelegt ist, die Performance von Contact Centern durch die Integration menschlicher und virtueller Agenten zu steigern. Das Unternehmen bietet Tools wie Conversation Intelligence, Agent Assist und Virtual Agents, die generative KI in Echtzeit nutzen, um die Customer Experience zu verbessern, Umsatzwachstum zu fördern und die Produktivität der Agenten zu erhöhen. Mit seiner KI‑Plattform hilft Cresta Unternehmen in Branchen wie Finanzdienstleistungen, Telekommunikation und Handel, Kosten zu senken und die Effizienz zu steigern, indem Kundeninteraktionen in umsetzbare Erkenntnisse verwandelt werden. Durch den Fokus auf Verhaltensweisen, die Geschäftsergebnisse beeinflussen, will Cresta den Standard im Kundenservice anheben und den Return on Investment (ROI) für seine Kunden maximieren.

Beschreibung

• Lead the design and development of Cresta’s next-generation AI Agents and Agentic Assist systems, defining system architecture and core modeling approaches. • Architect intelligent, multi-step agent workflows that combine real-time guidance, knowledge retrieval, reasoning, summarization, and automated actions into cohesive production systems. • Design, deploy, and optimize LLM-powered systems, including Retrieval-Augmented Generation (RAG) pipelines, multi-agent orchestration, and domain-adapted models. • Improve reasoning, planning, and tool-use capabilities in real-world AI applications. • Develop evaluation strategies for complex, non-deterministic systems, including offline benchmarking, online experimentation, and LLM-as-a-judge methodologies. • Diagnose and mitigate real-world failure modes such as hallucinations, retrieval errors, tool misuse, prompt brittleness, and multi-step reasoning breakdowns. • Define and measure quality metrics (e.g., accuracy, faithfulness, task completion, latency, cost, robustness) to improve system reliability and performance. • Optimize AI systems for scalability, latency, security, and cost efficiency in production environments. • Collaborate cross-functionally with product, frontend, and backend teams to integrate AI capabilities seamlessly into Cresta’s platform. • Mentor engineers, contribute to technical strategy, and help shape the roadmap for Cresta’s AI systems.

🎯 Anforderungen

• Bachelor’s degree in Computer Science, Mathematics, or a related field; Master’s or Ph.D. preferred. • 5–8+ years of industry experience building and deploying machine learning systems in production, including significant experience working with LLMs. • Strong expertise in NLP, Generative AI, transformer architectures, embeddings, and retrieval systems. • Proven experience designing and deploying Retrieval-Augmented Generation (RAG) systems in enterprise environments. • Experience building and evaluating complex agentic or multi-step LLM workflows. • Strong knowledge of modern ML frameworks and tools (e.g., PyTorch, TensorFlow, Hugging Face) and distributed/cloud-based infrastructure. • Demonstrated ability to optimize real-time ML systems for performance, scalability, and reliability. • Strong technical leadership skills, with the ability to influence cross-functional decisions and raise the engineering bar.

🏖️ Vorteile

• We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs • Paid parental leave to support you and your family • Monthly Health & Wellness allowance • Work from home office stipend to help you succeed in a remote environment • Lunch reimbursement for in-office employees • PTO: 3 weeks in Canada

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