Senior Software Engineer, Search Platform

Thomson Reuters

. Design, build, and test platform services across document ingestion, search indexing, and query APIs .

Posted 11/5/2026full-timeUnited StatesSenior💰 $102,200 - $189,800 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and operating production backend systems with a focus on document ingestion, search indexing, and API development. Proficient in mentoring junior engineers and taking ownership of platform components while ensuring reliability and observability.

Highest-signal resume keywords

Software Engineering ExperienceProgramming Skills in Python, Java, or GoOperational Ownership and Incident ResponseExperience with OpenSearch, Elasticsearch, or VespaHands-on Experience with AWS

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Distributed Systems FundamentalsInfrastructure as CodeAI-Assisted Development ToolsEvent Streaming PlatformsSearch Evaluation and Analytics

Soft Skills

Mentoring Junior EngineersCollaboration with Research Scientists

Tools & Technologies

OpenSearchElasticsearchVespaKafkaAWS

Industry Keywords

Document IngestionSearch IndexingQuery APIsOn-Call RotationAgentic Retrieval Patterns

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsElasticSearchJavaKafkaPythonGo

About the role

Key responsibilities & impact

Design, build, and test platform services across document ingestion, search indexing, and query APIs
Build pipeline components for parsing, chunking, enrichment, and indexing with retries, dead-letter queues, and idempotent processing
Build self-service APIs for configuring search systems, managing index lifecycles, and monitoring ingestion health
Design retrieval interfaces for products and AI agents with latency budgets and LLM-sized result payloads
Contribute to migration from OpenSearch to Vespa, including schema migrations and zero-downtime index promotion
Instrument retrieval components for offline evaluation and LLM-as-judge grading
Participate in on-call rotation and own incidents from triage through post-mortem and systemic fixes
Add logging, metrics, distributed tracing, and trace-level visibility into agentic retrieval paths
Help define SLOs and remove delivery friction from deployments, tests, and local workflows
Take technical direction for assigned projects and break requirements into executable work
Mentor junior engineers through review and pairing
Collaborate with TR Labs and research scientists to productionize search capabilities
Work with client teams to turn platform feedback into improvements
Ramp up on architecture and operations, take on-call responsibility, and contribute production code within the first month
Own a significant platform component end to end with design authority, monitoring, and reliability improvements

Requirements

What you’ll need

5+ years of software engineering experience building and operating production backend or data infrastructure systems
End-to-end ownership of features and components
A degree in Computer Science, Engineering, or a related field, or equivalent experience
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
Experience with infrastructure as code
Operational ownership including on-call, incident response, and observability
Fluency with AI-assisted development tools
Production experience with OpenSearch, Elasticsearch, Vespa, or Solr preferred
Experience with Kafka or another event streaming platform preferred
Experience integrating AI services such as embedding, re-ranking, and RAG components preferred
Exposure to agentic retrieval patterns preferred
Familiarity with search evaluation and analytics preferred

Benefits

Comp & perks

Flexible hybrid working environment
Work from anywhere for up to 8 weeks per year
Flexible vacation
Two company-wide Mental Health Days off
Headspace app access
Retirement savings
Tuition reimbursement
Employee incentive programs
Mental, physical, and financial wellbeing resources
Two paid volunteer days off annually
Health, dental, vision, disability, and life insurance programs
401k plan with company match
Competitive vacation, sick and safe paid time off
Paid holidays, including two company mental health days off
Parental leave
Sabbatical leave
Optional hospital, accident and sickness insurance
Optional life and AD&D insurance
Flexible Spending and Health Savings Accounts
Fitness reimbursement
Employee Assistance Program
Group Legal Identity Theft Protection benefit
529 Plan access
Commuter benefits
Adoption & Surrogacy Assistance
Employee Stock Purchase Plan
Annual Bonus eligibility based on enterprise and individual performance