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Senior Software Engineer - Stability

Mercury San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States Full-time Software Engineering Posted May 21, 2026
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What it’s like to work at Mercury

Startup Banking · San Francisco

4.3
Employee Rating
3.8
Work-Life Balance
60
Open Roles
product-impacteng-drivenship-fastlearningequity

What employees love

  • Strong talent density with smart, motivated teammates and genuine autonomy and ownership
  • Great Place to Work certified — product-first mindset with meaningful scope for every engineer

What could be better

  • Still figuring out how to scale processes — expect some ambiguity and shifting priorities
  • Work-life balance rated 3.8/5 — periods of higher intensity during rapid growth phases
View full Mercury culture profile →

About the Role

The year is 1969. The location: Stuttgart, West Germany. Engineers are pacing with strained expressions. They are looking over the Porsche 917, the company's latest attempt at a race car. It's not working properly. The car is one of the most powerful ever built. But drivers describe it as terrifyingly unstable… "a monster". Despite this, Porsche runs it in Le Mans to disastrous results. One of the cars crashes on lap one, ending in tragedy for its driver. All other 917s break down in the race.

Enter John Wyer, a British race engineer, whom the factory calls upon for help. After a long day of testing, John recognizes a lack of smashed bugs on the rear wing and deduces that the wing is not working properly. The team modifies the design to be more upward swept and the 917K takes on a new winning character. It wins LeMans outright in 1970 and goes on to be the most successful race car design of the 70s. Stability, it turns out, was the missing ingredient.

Mercury prides itself in providing powerful banking* services. But if those services aren’t reliable, Mercury will fail. The Stability team exists to help product engineers see patterns of instability and remedy them. We champion and improve observability. We've helped define incident response. We have introduced and support robust background work processing. We monitor and build tooling around platform and database health. And with your help, we will explore how to make Mercury even more reliable.

As part of this role, you will:

The ideal candidate for this role:

Our salary and equity ranges are highly competitive within the SaaS and fintech industry and are updated regularly using the most reliable compensation survey data for our industry. New hire offers are made based on a job candidate’s experience, expertise, geographic location, and internal pay equity relative to peers.

Our target new hire base salary ranges for this role are the following:

*Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.

Mercury values diversity & belonging and is proud to be an Equal Employment Opportunity employer. All individuals seeking employment at Mercury are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, sexual orientation, or any other legally protected characteristic. We are committed to providing reasonable accommodations throughout the recruitment process for applicants with disabilities or special needs. If you need assistance, or an accommodation, please let your recruiter know once you are contacted about a role.

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Frequently Asked Questions

What is the work-life balance like at Mercury?
Mercury has a work-life balance score of 3.8/5 based on employee reviews. This is about average for the AI/tech industry.
What is Mercury’s culture like?
Mercury is characterized by these culture values: product-impact, eng-driven, ship-fast, learning, equity. Based on employee reviews, the company has an overall rating of 4.3/5. Strong talent density with smart, motivated teammates and genuine autonomy and ownership
How many open roles does Mercury have?
Mercury currently has 60 open roles across departments including engineering, product, sales, and more. Roles are refreshed daily from their careers page.
Is this role remote-friendly?
This role is located in San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States. Check the job description above for specific location and remote work details.
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