Senior Software Engineer
Thomson Reuters2 days ago
Base Salary
$102k - $190k/yr
Responsibilities
- Design, develop, and own content APIs and retrieval components end to end.
- Create versioned API contracts, schemas, ownership metadata, and predictable interfaces for agent developers.
- Build and tune retrieval and search systems, including relevance and ranking improvements on Vespa.
- Define acceptance criteria, evaluation datasets, gold data, and CI gates for verified spec-driven development.
- Participate in on-call operations, incident response, root-cause analysis, post-mortems, and runbook improvement.
- Instrument services with structured logging, metrics, distributed tracing, and agent-tool invocation diagnostics.
- Define and monitor SLOs while improving deployment, testing, and local-development workflows.
- Provide technical direction, document architectural decisions, review high-risk changes, and mentor junior engineers.
- Collaborate with TR Labs research scientists, CoCounsel Engineering, product owners, and other technical and non-technical stakeholders.
- Use AI-assisted development tools across code generation, review, testing, and debugging.
Requirements
- Bachelor’s or master’s degree in computer science, engineering, or a related field.
- At least 5 years of software engineering experience designing, developing, and testing production backend, API, or data-infrastructure systems.
- Mastery of Python and strong API design and testing fundamentals, including unit, integration, and evaluation testing.
- Knowledge of distributed systems and resilient service, queue, and datastore design.
- Proficiency with AWS cloud services, Datadog, and CI/CD practices including blue/green and canary deployments.
- Experience with operational ownership, on-call participation, architectural documentation, decision records, and post-mortems.
- Fluency with AI-assisted development tools and responsibility for the resulting production code.
- Ability to communicate technical concepts clearly through design documents and component documentation.
- Preferred: information-retrieval knowledge including precision/recall, hybrid search, and ranking.
- Preferred: experience building APIs or tools for agentic AI systems and protocols such as MCP.
- Preferred: legal technology, knowledge management, or other high-stakes information-domain experience.
- Preferred: experience with Vespa, OpenSearch, or Elasticsearch; AI-service integration; API gateways; agent and retrieval evaluation; Terraform; ECS; or Kubernetes.
- Preferred: experience with embedding APIs, re-ranking models, RAG-supported retrieval, Promptfoo, Langfuse, or LLM workflow tracing.
Benefits
- Flexible hybrid work model for office-based roles.
- Work-from-anywhere flexibility for up to 8 weeks per year and supportive work-life policies.
- Career development, continuous learning, and skills-development programs.
- Comprehensive benefits including flexible vacation, two company-wide mental health days, Headspace access, retirement savings, tuition reimbursement, incentive programs, and wellbeing resources.
- Health, dental, vision, disability, life insurance, 401(k) with company match, paid holidays, parental leave, and sabbatical leave for eligible US employees.
- Two paid volunteer days annually and opportunities for pro-bono consulting and ESG initiatives.
- Additional programs may include commuter benefits, fitness reimbursement, employee assistance, adoption and surrogacy assistance, and employee stock purchase plan.
Tech Stack
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.