Lead Software Engineer, AI
Thomson Reuters3 days ago
Zug, SwitzerlandStaff+
Responsibilities
- Set technical architecture and direction across core agent infrastructure, internal tooling, and production reliability initiatives.
- Architect and build production AI agent systems using LLM APIs, agent SDKs, and orchestration or runtime infrastructure.
- Design tracing, automated evaluations, and quality or drift detection to identify agent regressions before customer impact.
- Improve production deployment and operations through progressive rollouts, feature flagging, earlier quality signals, and release stability practices.
- Lead cross-cutting design reviews and technical decisions using RFCs and ADRs.
- Mentor senior engineers and raise the technical bar for AI-native and agentic development practices.
- Partner with product and engineering leadership on architecture and initiative sequencing decisions.
Requirements
- Extensive experience architecting and shipping production software systems.
- Hands-on experience building AI/LLM-powered products or agentic systems, beyond classical machine learning or data science.
- Experience with modern LLM APIs, agent frameworks or SDKs, or agent-to-tool integration protocols.
- Experience setting technical direction across multiple concurrent initiatives.
- Strong backend engineering skills including distributed systems, service architecture, and cloud infrastructure.
- Experience with production reliability and observability, including monitoring, evaluation pipelines, incident response, and quality regression detection.
- Demonstrated ability to mentor senior engineers and influence technical culture and practices.
- Experience leading architecture for developer-facing platforms, plugin or extension systems, or integration ecosystems.
- Experience with progressive delivery practices such as feature flagging, phased rollout, and blue/green deployment at scale.
- Experience advancing software delivery practices including shift-left quality and testing, deployment frequency, lead time, and change failure rate.
- Experience with managed agent runtime infrastructure such as AWS Bedrock AgentCore or similar.
- Legal, regulated, professional-services, or other fiduciary-domain expertise is preferred but not required.
Benefits
- Flexible hybrid work model for office-based roles.
- Flexible work arrangements, including work from anywhere for up to 8 weeks per year.
- Flexible vacation, two company-wide Mental Health Days, Headspace access, retirement savings, tuition reimbursement, incentive programs, and wellbeing resources.
- Career development, continuous learning, Grow My Way programming, and skills-first development support.
- Two paid volunteer days annually and opportunities for pro-bono consulting and ESG initiatives.
Categories
About Thomson Reuters
Thomson Reuters builds research platforms, workflow software, and data services for legal, tax and accounting, compliance, and government professionals, and operates the Reuters global news service. Flagship products include Westlaw for legal research and ONESOURCE and Checkpoint for tax and accounting, sold primarily via subscriptions and enterprise licenses. A public company headquartered in Toronto, it was formed in 2008 by combining Thomson Corporation and Reuters Group and is listed on the TSX and Nasdaq as TRI.