Software Engineer Security
Slash Financial is a financial technology company offering a business-finance platform. It provides business banking, corporate cards, stablecoin payments, treasury, working capital, invoicing, global USD accounts, and bill pay for businesses across industries.
Funding history
Projects
About Slash Financial
Slash Financial provides an integrated business-finance platform designed around industry-specific workflows. Its offerings include business banking and checking, Visa corporate charge cards with spend controls, ACH and wire payments, invoicing, treasury, working capital through partners, accounting and expense-management tools, analytics, multi-entity management, and read/write API access. It also supports stablecoin payments, allowing eligible businesses to send and receive USDC and USDT and convert between fiat and crypto. Slash serves startups, enterprises, e-commerce businesses, agencies, contractors, affiliate marketers, healthcare businesses, Web3 companies, wholesalers, and travel agencies.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own and scale the security of the platform across network, infrastructure, and application layers. You will define and manage the security program, harden Cloudflare, AWS WAF, VPC networking, and infrastructure, implement application security features, coordinate penetration tests and bug bounty remediation, support PCI and SOC 2 compliance, establish security tooling and guardrails, secure corporate IT systems and endpoints, and communicate with customers, stakeholders, and vendors about security practices.
Requirements
- Security generalist knowledge across infrastructure and application code
- Knowledge of Kubernetes/EKS, CockroachDB, Kafka, Terraform/Pulumi, and AWS
- Proficiency in TypeScript or another object-oriented language
- Ability to coordinate penetration tests, audits, and competing security priorities
- Ability to identify gaps and independently drive high-impact changes
- Current or recent founder in the security space, or 2–5 years of experience with rapid promotion to senior or staff level at companies with a high security bar
Responsibilities
- Own the security program end-to-end
- Manage and harden Cloudflare, AWS WAF, VPC networking, and infrastructure
- Implement application security features such as passkey authentication and SMS rate limiting
- Manage recurring penetration tests and the bug bounty program
- Coordinate security remediation across engineering
- Support PCI and SOC 2 compliance efforts
- Establish security patterns, tooling, and guardrails
- Secure company equipment and endpoints
- Answer customer, stakeholder, and vendor questions about security practices
Benefits
- Equity
- Comprehensive health and benefits plan
- Unlimited PTO
