3) Frontend Software Engineer at Mercury

San Francisco, California, United States

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$130,000 – $500,000Compensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

AI, Technology, RecruitingIndustries

Requirements

Strong coding fundamentals in Python (primary backend language), though interviews are language-agnostic
Deep understanding of distributed systems, scalability challenges, and system design
Experience shipping production systems at scale in high-growth or high-stakes environments
Ability to reason about trade-offs and make decisions balancing speed and reliability
Strong communication skills with an ability to align technical and business goals
Bias toward ownership, curiosity, and delivering simple solutions to complex problems

Responsibilities

Design, build, and scale production-grade backend APIs, services, and infrastructure
Take ownership of system design and architecture decisions that impact core workflows
Mentor and support junior engineers through code reviews, pair programming, and design discussions
Partner with Product and Design to deliver features quickly without sacrificing quality or scalability
Anticipate technical bottlenecks, propose solutions, and drive initiatives that increase reliability
Contribute to the systems that enable OpenAI, Anthropic, Google, and others to train and evaluate their models

Skills

Key technologies and capabilities for this role

Frontend DevelopmentBackend APIsDistributed SystemsSystem DesignSystem ArchitectureInfrastructureCode ReviewsPair ProgrammingMentoring

Questions & Answers

Common questions about this position

What is the salary range for the Frontend Software Engineer position?

The salary range is $130K - $500K.

Is this role remote or onsite?

The position is onsite.

What skills are required for this role?

Strong coding fundamentals in Python (primary backend), deep understanding of distributed systems, scalability challenges, and system design, experience shipping production systems at scale, and strong communication skills are required.

What is the company culture like at Mercor?

The team is small, profitable, and growing fast by hiring exceptional people, with a focus on ownership, mentoring junior engineers, shaping engineering culture, and delivering simple solutions to complex problems.

What makes a strong candidate for this role?

Candidates with experience in high-growth environments, ability to take end-to-end ownership of complex projects, mentor others, and balance speed with reliability stand out.

Mercury

Banking services for startups and founders

About Mercury

Mercury provides banking services specifically designed for startups, regardless of their size or stage of development. Their offerings include free checking and savings accounts, debit and credit cards, and options for domestic and international wire transfers, as well as treasury and venture debt services. The platform is user-friendly, allowing founders to manage their finances with ease. What sets Mercury apart from traditional banks is its focus on the startup community, offering programs that connect founders with valuable resources and advice to help them succeed. The goal of Mercury is to empower startups by providing them with the financial tools and support they need to grow and thrive.

San Francisco, CaliforniaHeadquarters

2017Year Founded

$146.8MTotal Funding

DEBTCompany Stage

Fintech, Financial ServicesIndustries

1,001-5,000Employees

Benefits

Health, dental, & vision

Custom equipment setup

401(K) matching

12+ weeks paid parental leave

Book budget

Wellness benefits

Grocery budget

Paid lunch

Personalized callsign

Unlimited vacation policy (with mandatory minimum)

Risks

Mercury's decision to stop serving certain countries may lead to customer loss.

Integration challenges from the Teal acquisition could disrupt services.

Expansion into consumer banking might divert focus from core startup services.

Differentiation

Mercury offers both business and personal banking services, unlike many fintech competitors.

The company provides integrated financial management tools, enhancing startup operational efficiency.

Mercury's Raise program connects startups with investors, mentors, and other founders.

Upsides

Mercury secured a $100 million credit warehouse to expand its credit card business.

The acquisition of Teal enhances Mercury's financial management offerings for startups.

Mercury Personal expands market reach by attracting tech-savvy individuals.

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