Senior Software Engineer, Search Platform

Thomson Reuters · United States of America, New York, New York · $117,700 USD - $218,600 USD · hybrid The AI Enabled Software Engineering (AIESE) team within Thomson Reuters is seeking Senior Software Engineers to build the core of the next-generation search platform. The platform consolidates search systems across Thomson Reuters products and services, serving millions of end users, internal agents, and internal search teams. Key Responsibilities: Design, build, and test platform services across document ingestion, search indexing, and query APIs Build reliable pipeline components that move documents through parsing, chunking, enrichment, and indexing Build self-service platform APIs that let client teams configure search systems, manage index lifecycles, and monitor ingestion health Design retrieval interfaces for products and AI agents with predictable contracts, explicit latency budgets, and result payloads sized for LLM context windows Contribute to the move from OpenSearch to Vespa, including schema migrations and zero-downtime index promotion Instrument retrieval components so offline evaluation and LLM-as-judge grading can compare pipeline versions and measure search quality Take part in the on-call rotation and own incidents in your scope, from triage and root cause to post-mortem and systemic fixes Add logging, metrics, and distributed tracing to your components Remove delivery friction wherever you find it: slow deployments, flaky tests, and painful local workflows Take technical direction for assigned projects, break customer and product requirements into executable work, and mentor more junior engineers through review and pairing Work with TR Labs and research scientists to bring new search capabilities into production Work with client teams to understand how they use the platform and turn their feedback into platform improvements Required Qualifications: 5+ years of software engineering experience building and operating production backend or data infrastructure systems Strong programming skills in at least one of Python, Java, Go, or an equivalent language Solid distributed systems fundamentals Hands-on experience with a major cloud platform (AWS preferred) and infrastructure as code Operational ownership: on-call, incident response, and observability Fluency with AI-assisted development tools and clear communication with technical and non-technical stakeholders Preferred qualifications: Production experience with a search engine such as OpenSearch, Elasticsearch, Vespa, or Solr Experience with Kafka or another event streaming platform Experience integrating AI services, such as embedding, re-ranking, and RAG components Exposure to agentic retrieval patterns Familiarity with search evaluation and analytics What Success Looks Like: In the first 90 days: Ramp up on the platform's architecture and operations, take on-call responsibility, and contribute production code In the first year: Own a significant platform component end to end, build technical depth in at least one domain, and strengthen the team's engineering culture What's in it For You: Hybrid Work Model: flexible hybrid working environment Flexibility & Work-Life Balance: supportive workplace policies Career Development and Growth: continuous learning and skill development Industry Competitive Benefits: comprehensive benefit plans Culture: globally recognized, award-winning reputation for inclusion and belonging Social Impact: make an impact in your community Making a Real-World Impact: help uphold the rule of law, turn the wheels of commerce, and provide trusted information