Paxos · 13 hours ago
Application Security Engineer
United States
Full-time
Remote
Mid Level
$169K/yr - $195K/yrPaxos 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
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
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
Paxos is a regulated financial institution building infrastructure to enable movement between physical and digital assets.
Founded in 2012
201-500 employees
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 StageTotal Funding
$543.48MKey Investors
MercadoLibreAlameda ResearchOak HC/FT
2022-01-20Corporate Round
2022-01-01Series Unknown· $5M
2021-04-29Series D· $300M
Leadership Team
Charles Cascarilla
CEO and Co-Founder
Richmond Teo
Co-Founder, CEO Asia
Recent News
Investing.com
2026-01-16
Crowdfund Insider
2026-01-12
Ledger Insights - blockchain for enterprise
2026-01-08
Company data provided by crunchbase