Lead Software Engineer

Thomson Reuters

. Build and deliver full-stack solutions across frontend and backend systems .

Posted 10/8/2026full-timeToronto • CanadaSenior💰 $118,400 - $219,800 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building full-stack web applications with a focus on React, TypeScript, and Python, while contributing to AI-powered features and maintaining high standards for code quality and performance. Proven ability to lead teams through mentorship and collaboration, ensuring effective delivery of customer-facing solutions.

Highest-signal resume keywords

Full-Stack DevelopmentReact FrameworkTypeScript ProficiencyPython API DevelopmentAI-Powered Feature Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentReactTypeScriptPythonAPI DevelopmentWeb Application Performance OptimizationGenAI ConceptsAgentic System DesignLLM IntegrationMCP/A2A Familiarity

Soft Skills

Strong Communication SkillsCollaborative MindsetMentorship

Tools & Technologies

AI/ML InfrastructureVector DatabasesModel ServingRAG Pipelines

Industry Keywords

Code Quality StandardsTechnical Debt ReductionArchitectural DecisionsCustomer-Facing User Experiences

Tech Stack

Tools & technologies

PythonReactTypeScript

About the role

Key responsibilities & impact

Build and deliver full-stack solutions across frontend and backend systems
Develop React, TypeScript, and Python features
Contribute to AI-powered capabilities, including agentic workflows, LLM integrations, and MCP/A2A-based tooling
Establish and uphold standards for code quality, performance, accessibility, testing, and maintainability
Lead by example through code reviews and technical contributions
Partner with product, design, and backend teams to shape requirements and define APIs
Deliver cohesive, customer-facing user experiences
Break down complex initiatives and provide reliable estimates
Support delivery from development through production
Mentor engineers through pairing, code reviews, and ongoing technical guidance
Build and evolve the CoCounsel Applications team’s external integration strategy

Requirements

What you’ll need

6+ years of professional software engineering experience building and shipping production web applications used by real customers
Active, hands-on coding contributions in the last 2–3 years
Experience with modern frontend frameworks such as React
Solid understanding of TypeScript and frontend architecture
Strong experience building APIs and services with Python as a core language
Working familiarity with GenAI concepts, including prompt engineering, agentic system design, and LLM orchestration frameworks
Some familiarity with MCP/A2A
Proven ability to lead through influence rather than authority
Experience improving systems, reducing technical debt, and guiding architectural decisions
Strong communication skills and collaborative mindset
Experience with web application performance optimization, including monitoring, profiling, and tuning for scale
Hands-on experience building AI-powered product features with LLM APIs, RAG pipelines, or agentic workflows in a production environment
Familiarity with AI/ML infrastructure, including vector databases, model serving, and cost/latency optimization for LLM-powered features

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
Pro-bono consulting projects and ESG initiatives
Health, dental, vision, disability, and life insurance programs
401(k) 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
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
Potential eligibility for an Annual Bonus based on enterprise and individual performance