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About the Role
We are building a suite of AI-native tools to transform advisory work and client engagement. We are hiring a Senior Software Engineer to join our founding in-house engineering team in Toronto to build products from the ground up. This is a hands-on role focused on architecting and developing an 'harness' for agentic workflows, integrating LLMs, and automating high-stakes M&A workflows.
Responsibilities
- Design and build agentic products, features, and workflows from prototype to production.
- Integrate LLMs, tool-calling, retrieval, and orchestration patterns into reliable, secure, and observable systems.
- Design and implement robust data/domain models for automated reporting and memo generation.
- Write high-quality, production-grade code across the stack.
- Help define the architecture and technology stack for a new platform.
- Contribute to engineering standards, code reviews, testing, scalability, manageability, and security practices for AI-enabled systems.
- Work alongside senior technology advisors and subject matter experts.
- Collaborate in small teams, sharing knowledge and compounding team capability.
- Take part in technical evaluations and help hire engineers.
Requirements
- 7–15 years of professional software engineering experience.
- Strong academic foundation in computer science, engineering, or mathematics.
- Proven record of driving technical delivery in complex, high-stakes environments.
- Track record of shipping enterprise SaaS or B2B products.
- Shipped an Agentic or LLM-powered product hands-on in the last 24 months.
- Experience building or working within an AI 'harness' or similar orchestration layers.
- Understanding of the full LLM lifecycle.
- Sound architectural judgment, articulating trade-offs between different architectures.
- Familiarity with orchestration patterns such as enterprise service buses.
- Preference for a 'buy-first' strategy, focusing engineering effort on proprietary IP.
- Ability to translate complex business processes into automated agentic workflows.
Skills
- React
- TypeScript
- Java
- Python
- AI 'harness' development
- LLM lifecycle management
- Orchestration patterns
- Agentic systems
- Full-stack development
Location
- Toronto
- Remote
- Hybrid
Work Type
- Hybrid
- Full-time
- Permanent
Experience Level
- Senior
- 7-15 years
Education Level
- Strong academic foundation in computer science, engineering, or mathematics
Salary/Compensations
- CAD 160,000 – 180,000
About the Company
- Leo Berwick is building a suite of AI-native tools.
- We are an established firm with domain expertise, client relationships, and built-in distribution.
- We offer direct access to firm leadership.
Equal Opportunity
- Leo Berwick is an equal opportunity employer committed to building a diverse, inclusive and accessible workplace.
- We welcome applications from all qualified individuals and do not discriminate on any ground protected under applicable human rights legislation.
- Accommodations are available upon request at any stage of the hiring process, in accordance with applicable accessibility and human rights legislation.
- Please contact careers@leoberwick.com to request an accommodation.
- Information received relating to accommodation will be kept confidential and used only to support your participation in the hiring process.