Modern Treasury · 2 months ago
Software Engineer - Security
United States
Full-time
Remote
Senior Level
$180K/yr - $240K/yr
7+ years expModern Treasury is on a mission to build the most trusted financial infrastructure for global money movement. They are seeking a Security Engineer to design and strengthen controls that protect their payment infrastructure, focusing on application, product, and infrastructure security while contributing to the reliability and automation of security and DevOps systems.
BankingFinanceFinTechPayments
Responsibilities
Lead application security across our payment platform, including secure code review, threat modeling, and security architecture for new products
Own product security for new payment rails, including FBO account structures, stablecoin integration, and enhanced compliance features
Design and implement DevSecOps tooling and automation to improve security posture across CI/CD and infrastructure
Partner with engineering teams to embed security into the development lifecycle through automation, secure design patterns, and security champions
Drive security architecture decisions for customer-facing APIs, authentication systems, and data protection controls
Build monitoring and detection capabilities for application-layer threats, API abuse, and fraud patterns
Design infrastructure monitoring, automation, and remediation practices that keep our systems resilient and trustworthy
Collaborate with Compliance and Legal to ensure product features meet regulatory requirements (BSA/AML, KYC/KYB, state money transmission)
Influence technical strategy across Product, Platform, and Infrastructure teams on security and risk management
Qualification
Required
7+ years in Devops with a focus on security engineering, with 3+ years focused on application and product security
Strong experience with: Full-stack application security (frontend, backend, APIs)
Strong experience with: Authentication and authorization systems and identity management
Strong experience with: DevOps or infrastructure automation related to security (AWS, Docker, CI/CD pipelines)
Strong experience with: Fraud detection, prevention, and abuse mitigation in payment or financial products
Strong experience with: Secure SDLC practices and developer security tooling
Experience with incident response and security monitoring
Knowledge and experience with application security for Ruby on Rails, GraphQL, JavaScript, React, and containerized environments
Payments engineering experience, ideally including fraud prevention and risk controls in money movement systems
Preferred
2+ years in payments or fintech, with a deep understanding of money movement security challenges
Familiarity with compliance and regulatory standards for money movement, such as PCI DSS, BSA/AML, and KYC/KYB
Experience with payment processing security across ACH, wires, card networks, and emerging rails
Experience building controls for fraud detection, chargeback prevention, and abuse mitigation in payment systems
Experience integrating security into DevOps workflows (e.g., Buildkite, IaC, AWS security automation)
Experience with stablecoin security, blockchain integrations, or crypto payment rails
Track record of balancing pragmatic risk management with business velocity
Demonstrated ability to lead security initiatives across multiple teams without direct authority
Company
Modern Treasury
Modern Treasury offers a payment operations platform to simplify and modernize business payments.
51-200 employees
H1B Sponsorship
Modern Treasury has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (5)
2023 (6)
2022 (8)
2021 (1)
2020 (4)
Funding
Current Stage
Growth StageTotal Funding
$183MKey Investors
Altimeter CapitalBenchmark
2022-03-30Series C· $50M
2021-10-06Series C· $85M
2021-01-12Series B· $38M
Leadership Team
Matthew Marcus
Co-Founder & CEO
Dimitri Dadiomov
Co-Founder & President
Recent News
2025-12-20
2025-12-18
Company data provided by crunchbase