Lead Software Engineer AI (Staff Engineer)
Thomson Reuters2 days ago
Mexico City, MexicoStaff+
Responsibilities
- Own the architecture and end-to-end design of backend services and AI-first systems for Audit Suite.
- Lead multi-quarter initiatives spanning AI, product, infrastructure, orchestration, retrieval, and knowledge systems.
- Build and evolve AI orchestration, including routing, tool calling, MCP servers, multi-step workflows, safety guardrails, and error handling.
- Design scalable, low-latency systems with caching, queuing, rate limiting, model failover, and cost/performance trade-offs.
- Work with large-scale document data, retrieval and search, vector stores, and indexing strategies for tax and accounting use cases.
- Establish SLOs, observability, incident response, testing, rollout, and postmortem practices for reliable AI systems.
- Mentor senior and mid-level engineers and raise standards for system design, code quality, and AI integration.
- Collaborate with product, UX, AI Labs, ML, research, design, and product leadership to shape roadmaps and ship customer-facing workflows.
Requirements
- Bachelor’s degree in Computer Science, Computer Engineering, a related field, or equivalent experience.
- 10+ years of overall experience, including at least 2 years in a lead role and 5+ years of full-stack development.
- Proven experience shipping production-grade AI systems to enterprise customers, including deployment, monitoring, evaluation, scaling, and ongoing operational ownership.
- Experience building scalable cloud applications, web services, APIs, and AI-driven products.
- Experience with distributed systems, data modeling, API contracts, observability, resilience patterns, and performance tuning under load.
- Experience with C#/.NET or similar frameworks such as ASP.NET Core, relational databases such as SQL Server or PostgreSQL, and a major cloud provider such as AWS or Azure.
- Experience building accessible frontend solutions with JavaScript, TypeScript, HTML, CSS, and modern frameworks such as Angular or React.
- Strong interest or experience in LLMs, agents, retrieval, or related AI-native engineering paradigms.
- Strong communication and cross-functional collaboration skills.
- Preferred experience designing CI/CD pipelines such as GitHub Actions.
- Preferred experience integrating OpenAI or Anthropic APIs into production applications, including prompt/response management, cost controls, and safety.
- Preferred experience with vector databases, embeddings, semantic search, custom retrieval pipelines, automated testing, reliability, and release practices for nondeterministic model behavior.
- Experience in fintech, tax, audit, legal, or another domain where correctness, auditability, and compliance matter is preferred.
Benefits
- Flexible hybrid work model for office-based roles.
- Flexible work arrangements, including work from anywhere for up to 8 weeks per year.
- Career development, continuous learning, skills development, and Grow My Way programming.
- Comprehensive benefits including flexible vacation, two company-wide mental health days, Headspace access, retirement savings, tuition reimbursement, incentive programs, and wellbeing resources.
- Two paid volunteer days annually and opportunities for pro-bono consulting and ESG initiatives.
Tech Stack
AngularAWSAzureC#CSSFastAPIGitHub ActionsHTMLJavaScriptMicrosoft SQL Server.NETPostgreSQLPythonReactTypeScriptVercel
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.