Backend Engineering Intern, Mercury

Fall 2025

Salary not provided

The hourly rate for candidates based in the US is $55. The hourly rate for candidates based in Canada is CAD 55

SQL

TypeScript

Haskell

Swift

New York

San Francisco Bay Area

Remote from Canada, US

Banking services for startups and small businesses

Job no longer available

Banking services for startups and small businesses

1001+ employees

FintechB2BBankingFinancial Services

Job no longer available

Salary not provided

The hourly rate for candidates based in the US is $55. The hourly rate for candidates based in Canada is CAD 55

SQL

TypeScript

Haskell

Swift

New York

San Francisco Bay Area

Remote from Canada, US

1001+ employees

FintechB2BBankingFinancial Services

Company mission

To make scaling tech companies simpler with a personalized banking stack for startups, and power the next generation of companies that will shape the American industry.

Job

Company

Role

Who you are

Be interested in continually honing their craft
Have curiosity and be willing to share their perspective
Appreciate quality in their work and that of others
Communicate well, and be able to write clear explanations of their reasoning on technical decisions
Backend Engineering Interns should have experience using the Haskell programming language, or a strong desire to learn it, and have some familiarity with SQL
Our internship program is intended for individuals enrolled in an academic program (undergraduate, graduate, etc.)

What the job involves

This is a paid full-time remote summer internship for 12-16 weeks between September - December
You’ll be receiving mentorship from experienced engineers, writing TypeScript and/or Haskell code, and contributing to a product that serves over 100,000 businesses
As an Engineering Intern, you’ll join a team that aligns with your goals and interests
Collaborate with data analysts to spec and build features that draw new customers to our product
Provide a backend to our mobile and web frontends, to do things like search transactions or send wire transfers
Build admin tools to increase the efficiency of day-to-day support operations, like identifying fraudulent customers or managing accounts
Integrate with third-party APIs, to do things like send checks or validate SWIFT codes

Application process

Applications close on May 30th, 2025

Our take

Frustrated by the archaic, fee-laden banking services offered to entrepreneurs, the founders of Mercury set out to create a better solution. They envisioned a platform that was dynamic, tech-driven, and free from unnecessary fees.

Mercury delivers on this vision by automating business payment processes, offering FDIC-insured accounts, and providing full API access, empowering entrepreneurs with greater control and efficiency. This approach stands in stark contrast to traditional startup banking, which often burdens young businesses with high fees and limited functionality.

By prioritizing user experience and offering a free service tier, Mercury has attracted over 200,000 businesses and achieved a $3.5B valuation as of 2025. As a rising unicorn in the stagnant world of startup banking, mercury is backed by substantial funding and poised for continued growth, constantly adding new features and expanding its team to further disrupt the industry.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

Top investors

50% employee growth in 12 months

Glassdoor (4.5)

Trustpilot (4.1)

Company

Funding (last 2 of 5 rounds)

Mar 2025

$300m

SERIES C

Jul 2021

$120m

SERIES B

Total funding: $450.9m

Company benefits

Health, dental, & vision
12+ weeks of paid parental leave
$600 USD custom WFH equipment setup
Unlimited vacation policy (with a mandatory minimum)
Annual $1K learning & development budget
Paid 6-week sabbatical after the 5-year mark
Weekly $100 food budget
Monthly $100 wellness budget
Monthly $50 cellphone reimbursement
Pet-friendly offices with free tea and beverages, plus lunch and snacks
Unlimited vacation policy (with a mandatory minimum)
Retirement matching up to 4% of base salary (401K/RRSP)
Inclusive fertility, hormonal health, and family-forming benefits through Carrot Fertility

Company HQ

SoMa, San Francisco, CA

Leadership

Jason Zhang

(Co-Founder & COO)

Jason graduated from Stanford University with a Bachelor of Science in Biology before spending over 4 years at Heyzap in Business Development.

Immad Akhund

(Co-Founder & CEO)

Immad graduated from the University of Cambridge with a Masters in Computer Science. He then worked as a Software Developer at Aquila and Bloomberg. He also founded Clickpass and Heyzap, and was a Part-time Partner at Y Combinator.

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