Software Engineer - Mercury Command

Mercury•Portland, OR

7h•$122,400 - $176,000

About The Position

Mercury is hiring a Software Engineer for Command, its LLM-powered financial assistant. Launched to all customers in June 2026, Command helps users understand their finances and take actions in plain language, including asking about cash flow, sending payments, issuing cards, and managing invoices. The role focuses on evolving the product, extending its capabilities, and finding new ways to use LLMs to deliver a more powerful banking experience. The engineer will join a small team of experienced product and AI engineers and should be comfortable with ambiguity and shifting priorities in a scrappy startup environment.

Requirements

1–4 years of backend or full-stack development experience.
Knowledge of or enthusiasm for learning Haskell, React, TypeScript, and Redux.
Experience building LLM-powered products.
Experience building and shipping new products, with a strong product-oriented mindset.
Empathy for users and the ability to apply their perspective when building products.
Ability to balance tradeoffs and find creative solutions.
Actively incorporates AI tools into their workflow to improve development speed, code quality, or problem-solving.

Responsibilities

Design and ship new Command skills and capabilities.
Partner with product and compliance teams to define correct behavior for new capabilities and build tests to verify it.
Take product ownership and actively seek responsibility.
Help build the future of Mercury alongside product and AI engineers.