Senior Software Engineer - Growth Infrastructure

1 Month ago • 6 Years + • $200,700 PA - $250,900 PA

Job Summary

Job Description

As a Senior Software Engineer at Mercury, you will be pivotal in expanding Mercury's reach by developing a public-facing API to enable businesses to integrate with their services. Your responsibilities will include driving adoption, increasing activation, designing and implementing API security, optimizing performance and scalability, and developing versioning strategies. You will collaborate with stakeholders to align API development with Mercury's growth strategy, focusing on maximizing distribution through API partnerships. The role involves navigating ambiguity, iterating quickly, and focusing on high-leverage opportunities.
Must have:
  • 6+ years of software development experience
  • Passion for APIs and developer-friendly interfaces
  • Experience with system design and architecture
  • Expertise in API security and best practices
  • Excitement to learn Haskell

Job Details

In the early days of global navigation, explorers charted new territories using hand-drawn maps, often incomplete and filled with perilous gaps. Every voyage was an unpredictable endeavor, riddled with dead ends, and wrong turns. Trade and expansion were limited by the lack of standardized routes and reliable ways to navigate.

Then came the age of maritime charts and the invention of longitude—a breakthrough that revolutionized how ships traversed the world. Suddenly, merchants and explorers could move faster, farther, and with confidence, fueling an explosion in global commerce.

Growth Infrastructure at Mercury plays a similar 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 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 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:

  • US employees (any location): $200,700-250,900 USD
  • Canadian employees (any location): CAD 189,700 - 237,100

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.

We use Covey as part of our hiring and / or promotional process for jobs in NYC and certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on January 22, 2024. Please see the independent bias audit report covering our use of Covey here.

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