Senior Software Engineer – Platform & Infrastructure

🕒 May 21

🗽 New York – Remote

🗽 New York – Remote

💵 $160k - $200k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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ModernFi

WebsiteLinkedInAll Job Openings

11 - 50 employees

💸 Finance

💳 Fintech

🏦 Banking

💰 $100k Pre Seed Round on 2022-01

Finance • Fintech • Banking

ModernFi is a company providing financial institutions, such as banks and credit unions, with a suite of deposit products designed to better manage balance sheets, grow net interest margins, and enhance depositor services. Their Deposit Network offers services like extended deposit insurance to attract large-value depositors, as well as tools to efficiently source funding and manage liquidity. With their technology, they streamline operations and provide innovative funding solutions, aiding financial institutions in growing revenues and improving financial health.

📋 Description

• Own and evolve the reliability posture of the ModernFi network (observability, incident response, SLOs, and on-call practices). • Lead the buildout of a more advanced release pipeline with merge queues, feature-flag tooling, and per-domain release gates for our highest-stakes services across multiple environments. • Take ownership of our cloud platform, Pulumi modules, AWS account structure, identity, networking, and the tooling product engineers build on. • Drive our security and compliance posture: Vanta remediation, SOC 1/2 readiness, vulnerability scanning, secrets and key management, and hardening across the stack. • Upgrade how ModernFi does on-call: the tooling around it, the runbooks behind it, the rotations that staff it, and the postmortems that close it out while participating in the infrastructure on-call rotation yourself. • Partner closely with our product engineering pods to understand where the platform creates drag, and ship the abstractions that let them move faster *and* more safely. • Cultivate a culture of operational excellence through code reviews, design discussions, mentorship, and the steady raising of our collective bar for what production-grade looks like.

🎯 Requirements

• 5+ years of software engineering experience, with significant time spent on infrastructure, platform, or reliability-focused work in a production environment. • Deep fluency with cloud infrastructure (ideally AWS), infrastructure-as-code (Pulumi, Terraform, or similar), and modern CI/CD pipelines. • A security mindset: you treat security as a first-class concern in everything you build, even if you don't come from a dedicated security background. Familiarity with frameworks such as SOC 2, compliance tooling such as Vanta, and concepts such as secrets management, key rotation, and least-privilege access is a plus. • Hands-on experience with a modern observability stack (Datadog, Prometheus + Grafana, the Elastic stack, or equivalent), and a track record of setting observability and monitoring standards that translate into actionable insights for product teams downstream. You've also defined SLOs, run postmortems, and improved the on-call experiences you've personally experienced. • Comfortable owning systems end-to-end, from the IaC that provisions them to the runbooks that recover them. • Experience working in or alongside small, fast-moving engineering teams, with a track record of making them faster *and* more reliable rather than introducing process drag. • Excellent communication skills. You can explain a network topology to a non-engineer and a production incident to a CEO with equal clarity. • High level of empathy, integrity, and calmness under pressure. • You're excited by the prospect of being the founding Platform Engineer at a fintech company where your work directly determines what we can safely ship. You’re the kind of IC who thrives on shipping infrastructure that other engineers love to build on.

🏖️ Benefits

• unlimited PTO • 401(k) • premium health, dental, and vision insurance • access to significant equity at a critical stage of the company’s growth