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# Software Engineer, Security

- **Company:** SO-FIT, LLC
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Salary:** $250,000.0 - $350,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Cyber Security, Network Security, Object-Oriented Software Development, TypeScript, Pulumi, Software Security, Amazon Virtual Private Cloud (VPC), Rate Limiting, Kubernetes, Cloudflare, Apache Kafka, Terraform
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25304_bf041a9972da63c5ed94f07dfcb2cdb1

## About the Role

* Is a security generalist - knowledgeable across the stack, from infrastructure to application code
 * Can think through, understand, reason about, and work on our platform and infra (Kubernetes/EKS, CockroachDB, Kafka, Terraform/Pulumi, AWS) - while spending their day-to-day 100% focused on improving our security
 * Is organized and able to coordinate pen tests, audits, and competing security priorities
 * Has proficiency in TypeScript or another object-oriented language
 * Can find gaps and drive high-impact changes independently, without waiting to be told what to work on
 * Potentially fits one of two archetypes:
 * Current or recent founder in the security space
 * 2-5 years of experience with rapid promotion to senior/staff level at companies with a high bar for security

## Description

Slash is building the future of business banking, one industry at a time. We believe businesses deserve financial infrastructure tailored to how they actually operate. That's why we're creating a new category of business banking. We combine the reliability of traditional banking (high yields, competitive rewards, and comprehensive security) with industry-specific features that make businesses more efficient, more competitive, and more profitable., Slash is, at its core, a technology company and is on a mission to build the best engineering team in the world. We're looking for a Software Engineer to own and scale the security of our platform as we grow fast. You'll be responsible for keeping our systems secure across the entire stack - from network and infrastructure to application-level security - while establishing the patterns and guardrails that let the rest of the team move quickly without having to worry about security. You'll define and own our security program end-to-end, and play a key role in enabling Slash to serve billions of dollars in business spend reliably and securely., * Own Slash's security program end-to-end - find gaps, prioritize, and propose and drive changes independently

 * Work on network security: manage and harden our Cloudflare implementation, AWS WAF, VPC networking, and overall infrastructure posture
 * Work on application security: ship features like passkey authentication, SMS rate limiting, and other product-level hardening
 * Manage recurring pen tests and our bug bounty program, and coordinate remediation across engineering
 * Assist on compliance efforts like PCI and SOC 2
 * Establish security patterns, tooling, and guardrails that enable the rest of the team to move fast safely
 * Own corporate IT security, including keeping company equipment and endpoints secure
 * Interface with customers, internal stakeholders, and key vendors to answer questions and provide confidence in Slash's security practices