Senior Software Engineer - Mercury Command @Mercury

Overview

Mercury is a fintech company building technology that enhances financial interfaces for the long term. The role involves working on Mercury's LLM-powered financial assistant, Command, which empowers users to understand their finances and execute various financial actions.

Key Responsibilities

• Design and ship new Command skills for workflows like sending money and managing invoices.
• Define the architecture for multi-step agent interactions.
• Collaborate with backend teams to shape data contracts for new capabilities.
• Maintain and evolve Command's prompt architecture and model behavior.
• Write tests and build eval infrastructure to ensure reliability and quality.
• Monitor and improve the product post-launch, adapting to evolving needs.

Requirements

• 7+ years of software engineering experience with a focus on LLM-powered applications.
• Experience in scaling LLM products and addressing performance issues.
• Ability to design reliable and explainable agentic systems.
• Experience with eval infrastructure to measure product performance.
• Understanding trade-offs in LLM deployments regarding latency, cost, and compliance.
• Proficiency in TypeScript, willing to learn Haskell for backend work.
• Proven mentoring skills and ability to raise technical standards within a team.

Benefits

• Competitive base salary and equity (stock options/RSUs).
• Regular updates to salary and equity ranges based on industry data.
• Salary ranges for US employees: $200,700 — $250,900 USD, and for Canadian employees: $189,700 — $237,100 CAD.

Location

Remote within Canada or the United States.

How to Apply

If interested, explore the public demo at demo.mercury.com.

Deadline

No specific deadline mentioned.