Application Security Engineer jobs in United States
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Paxos · 10 hours ago

Application Security Engineer

positionUnited States
timeFull-time
remoteRemote
seniorityMid Level
money$169K/yr - $195K/yr

Paxos is on a mission to open the world’s financial system to everyone by enabling the instant movement of any asset, any time, in a trustworthy way. As an Application Security Engineer, you will ensure that the code we ship and run is secure by design, identifying vulnerabilities and engineering automated solutions to empower developers without compromising security.

BlockchainCryptocurrencyFinancial ServicesFinTech
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Perform deep-dive security reviews of web applications, APIs, and cloud infrastructure
Develop security-focused tools and libraries in Go, Java, or Ruby to assist developers in writing secure code
Support our blockchain initiatives by identifying risks in L1/L2 integrations and smart contract interactions
Manage and tune Web Application Firewalls (WAF) and cloud-native security controls
Contribute to the security culture through developer training and participating in incident response when necessary
Build and maintain the tooling that integrates security into our development lifecycle, moving from manual reviews to automated, scalable guardrails
Partner with engineering teams during the design phase of new features (Threat Modeling) to identify risks before a single line of code is written
Manage the end-to-end lifecycle of vulnerabilities, from discovery via internal audits or Bug Bounties to collaborating with engineers on "gold-standard" remediations

Qualification

Application SecurityVulnerability ManagementCI/CD AutomationOWASP Top 10Cloud SecurityProgramming in GoProgramming in JavaProgramming in RubyThreat ModelingDeveloper Training

Required

Proven ability to perform deep-dive manual security testing while also securing production-quality code
Expert-level knowledge of OWASP Top 10, CWE, and API security vulnerabilities (Go, Java, or Ruby preferred)
Experience building and scaling security checks directly into CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)
Working knowledge of AWS/GCP security configurations, particularly IAM, VPCs, and WAF management

Company

Paxos

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Paxos is a regulated financial institution building infrastructure to enable movement between physical and digital assets.
dateFounded in 2012
location
New York, New York, USA
people-size201-500 employees
web-link
https://www.paxos.com

H1B Sponsorship

Paxos 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 (7)
2024 (1)
2023 (12)
2022 (6)
2021 (14)
2020 (2)

Funding

Current Stage
Late Stage
Total Funding
$543.48M
Key Investors
MercadoLibreAlameda ResearchOak HC/FT
2022-01-20Corporate Round
2022-01-01Series Unknown· $5M
2021-04-29Series D· $300M

Leadership Team

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Charles Cascarilla
CEO and Co-Founder
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Richmond Teo
Co-Founder & CEO Asia

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