Senior Software Engineer

Responsibilities

• Build Mercury’s integration with an FFIEC-approved bank core and the connections to payment networks.
• Design internal APIs that give product teams simple, consistent interfaces to complex external systems.
• Handle the messy realities of enterprise integrations such as retries, failures, format mismatches, and downtime.
• Build data pipelines that keep Mercury's systems in sync with our bank core.
• Own monitoring, alerting, and recovery for our most critical external connections.
• Partner with many other teams at Mercury to define clean boundaries and reliable contracts.
• Help shape the technical architecture of Mercury Bank.

Requirements

• 7+ years of professional software engineering experience building and operating backend infrastructure and distributed systems at scale.
• Experience integrating modern distributed software systems with older, legacy infrastructure, preferably in a highly-regulated environment.
• Understanding of how banks and banking systems work: accounts, transactions, ledgers, and the data models underneath.
• Product-minded engineer who thinks about the developers consuming your APIs, not just the systems you’re connecting to.
• Thrives in environments where you're building something new rather than maintaining something established.
• Comfortable with our tech stack (Haskell) or ready to learn.
• Strong and justified opinions about building reliable, maintainable systems.

Nice-to-Haves

• Experience in highly-regulated environments.
• Prior knowledge of banking systems and data models.