Senior Software Engineer - Growth Infrastructure

Mercury; United States; Remote; USD 203,000 - 239,000; Full time

Job summary

An innovative firm is seeking a Senior Software Engineer for their Growth Infrastructure team. This role is pivotal in developing a public-facing API that enhances partner integration and drives user acquisition. You will be responsible for optimizing performance, implementing robust security measures, and collaborating with cross-functional teams to align API development with strategic growth initiatives. If you are passionate about APIs and thrive in a dynamic environment, this is an exciting opportunity to contribute to a forward-thinking company's expansion efforts.

Qualifications

• 6+ years of software development experience with a focus on APIs.
• Strong product thinking and ability to prioritize impactful work.

Responsibilities

• Develop a public-facing API to drive adoption and scale Mercury's reach.
• Implement API security measures and optimize performance for high traffic.

Skills

Software Development

Haskell

API Design

System Design and Architecture

API Security

Cross-Functional Collaboration

Job description

Senior Software Engineer - Growth Infrastructure

San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States

Growth Infrastructure at Mercury plays a crucial role in scaling our product. Our public API initiative is our next navigational chart—an infrastructure that enables businesses to integrate Mercury into other ecosystems, unlocking massive new growth opportunities.

As a member of the Growth Infrastructure team, you will be at the forefront of Mercury’s expansion, developing a public-facing API that drives adoption, increases activation, and scales Mercury’s reach.

As part of this role, you will:

• Grow Mercury’s Public API to enable seamless partner integration, making Mercury’s financial services more accessible across diverse ecosystems.
• Expand and refine our public endpoints to drive distribution and scale Mercury’s presence in partner products, accelerating new customer acquisition.
• Design and implement API security measures including authentication, authorization, and compliance to ensure safe and scalable integrations.
• Optimize performance and scalability to handle high-throughput traffic and provide a seamless experience for partners embedding Mercury.
• Develop and maintain versioning strategies to ensure stability and backward compatibility while quickly iterating on features.
• Unlock new partnership opportunities by refining tools and levers that remove friction in integrations, enhancing adoption, and driving growth.

The ideal candidate for this role:

• Has 6+ years of software development experience, with a knowledge of or excitement to learn Haskell.
• Is highly autonomous and thrives in a fast-moving environment, capable of making impactful product and technical decisions.
• Is passionate about APIs and understands how to design and maintain robust, developer-friendly interfaces that drive adoption and engagement.
• Has strong product thinking—you should be excited about working on growth-related challenges and be comfortable prioritizing impactful work that increases user acquisition.
• Has experience with system design and architecture, with a track record of making tradeoff decisions and measuring their impact over time.
• Has expertise in API security and understands best practices for protecting sensitive data.
• Enjoys cross-functional collaboration, working closely with stakeholders across product and sales to align API development with Mercury’s growth strategy.
• Is comfortable navigating ambiguity, iterating quickly, and focusing on the highest-leverage opportunities to scale Mercury’s distribution through API partnerships.

The total rewards package at Mercury includes base salary, equity (stock options), and benefits.

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

• US employees (any location): $203,100 - $238,900 USD
• Canadian employees (any location): CAD 184,800 - 217,400

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 use Covey as part of our hiring and / or promotional process for jobs in NYC. Please see the independent bias audit report covering our use of Covey here.

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