Software Engineer (Senior) at Mercury

San Francisco, California, United States

Apply Now

$130,000 – $500,000Compensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

AI, Technology, RecruitmentIndustries

Requirements

Strong coding fundamentals in Python (primary backend), 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
Architect and scale distributed systems
Mentor other engineers and set technical direction for high-impact initiatives
Help shape engineering culture, influence product decisions, and ensure systems scale with hyper-growth

Skills

Key technologies and capabilities for this role

Distributed SystemsBackend APIsSystem DesignSystem ArchitectureInfrastructureCode ReviewPair ProgrammingMentoring

Questions & Answers

Common questions about this position

What is the salary range for this Senior Software Engineer position?

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

Is this role remote or onsite?

This is an onsite position.

What skills are required for this Senior Software Engineer role?

Required skills include strong coding fundamentals in Python, deep understanding of distributed systems, scalability challenges, and system design, experience shipping production systems at scale, and strong communication skills.

What is the company culture like at Mercor?

Mercor has a small, profitable team that is growing rapidly by hiring exceptional people, with a focus on ownership, curiosity, delivering simple solutions, and shaping engineering culture.

What makes a strong candidate for this role?

Strong candidates have experience in high-growth environments, the ability to reason about trade-offs balancing speed and reliability, and a bias toward ownership and mentoring others.

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