Platform Engineer

THE OPPORTUNITY

ModernFi is seeking a Platform Engineer to build the foundation that our platform runs on, alongside a talented and collaborative team. This is a founding Platform Engineering role, and from day one you will work on critical systems with meaningful ownership and a direct hand in shaping the direction of our products and infrastructure. As the technical owner of the platform, you will define how we operate our infrastructure, release software, and approach security across the company.

Your work will be instrumental in building the products that help banks and credit unions operate, improving financial health nationwide. This role offers the opportunity to deliver impactful solutions with real autonomy, work on mission-critical systems, grow your technical expertise, and influence ModernFi's broader trajectory as we grow from serving hundreds of institutions to thousands.

At ModernFi, your work will directly fuel our vision and mission to serve as systemically important financial infrastructure that drives the American economy and to empower our partner financial institutions to grow and better serve their communities.

THE ROLE

RESPONSIBILITIES

- Own and evolve the reliability posture of the ModernFi network (observability, incident response, SLOs, and on-call practices) so we can keep shipping fast without ever compromising correctness.

- 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, and make the right call between extending what we have today and replacing it for what's next.

- Drive our security and compliance posture: Vanta remediation, SOC 1/2 readiness, vulnerability scanning, secrets and key management, and hardening across the stack — partnering...