Senior AI/Machine Learning Analyst
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Job Description
AI/Machine Learning Analyst at Sinch managing hybrid AI platforms and workflows. Responsible for design, operation, and collaboration across global teams.
Responsibilities:
- Design, build, and operate large-scale AI agent workflows using LLMs, under strict latency, reliability, and cost constraints.
- Own the full lifecycle of hybrid AI systems combining LLM-based agents and traditional Machine Learning models.
- Architect and optimize durable, stateful workflow orchestration for long-running, high-impact review processes.
- Define and execute robust evaluation strategies for LLM agents, including offline datasets, quality metrics, regression testing, and production monitoring.
- Lead end-to-end LLMOps: provider selection, cost optimization, rate-limit management, model upgrades, and failover strategies.
- Translate product requirements into technical designs, assess feasibility, and manage risks inherent to stochastic AI systems.
- Collaborate closely with Product, Compliance, and global Engineering stakeholders to communicate system capabilities, limitations, and risk profiles.
Requirements:
- Proven experience building and operating LLM-based agents in large-scale production environments.
- Strong understanding of agent architectures, prompt engineering, structured outputs, guardrails, cost, and latency optimization.
- Hands-on experience with agent orchestration and observability frameworks (e.g., LangGraph, LangSmith, LangFuse or similar).
- Solid background in traditional Machine Learning pipelines, model evaluation, and serving.
- Strong software engineering skills in Python, including async programming, API design, testing, CI/CD, and cloud-native infrastructure (Docker/Kubernetes, GCP/AWS).
- Practical experience with LLMOps, including cost control, rate limits, model lifecycle management, and multi-provider strategies.
- Advanced or fluent English.
- Bachelor's degree completed.
Benefits:
- We cover 100% of medical and dental plans for Sinchers and eligible dependents through Bradesco Saúde.
- With the Caju flexible benefit card, our Sinchers can choose to use benefits on food, education, and home office assistance.
- Our Sinchers can enjoy paid maternity leave for 180 days and paternity leave for 30 days. Plus, we provide daycare assistance for kids up to five years old.
- We partner with Wellhub to help Sinchers access gyms and wellness options.
- Our Partnership with Prudential life insurance provides coverage for all Sinchers in the events of unexpected absences, serious illness, accidents, and disabilities.
- We offer annual reimbursements for certain expenses related to disabilities and/or transgender needs.
- Our Sinchers can take a day off on their birthday to celebrate with their loved ones.
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