The RoleProvable is seeking an exceptional Application Security Engineer to help secure private applications on Aleo, the world’s first live privacy-preserving programmable blockchain.In this role, you will be responsible for strengthening the security of Provable’s applications, developer tooling, APIs, and supporting services. You will work closely with protocol engineers, Rust engineers, cryptographers, and product teams to identify vulnerabilities early, design secure-by-default systems, and ensure that privacy and security scale together.This is a hands-on role for someone who enjoys working close to the code, thrives in high-trust engineering environments, and is motivated by protecting real users and real value in production systems.ResponsibilitiesOwn application-layer security across Provable’s products, internal services, and developer-facing toolingPerform threat modeling, security architecture reviews, and design reviews for new systems and featuresIdentify, reproduce, and remediate vulnerabilities across APIs, web services, SDKs, and backend systemsBuild and embed secure development practices, including secure coding standards, dependency security, access controls, and CI/CD integrationPartner with engineers on testing, audits, incident response, and ongoing security improvements in a privacy-first environmentWhat We’re Looking For5+ years of experience in application, product, or software security engineeringStrong understanding of common application security risks, including authentication, authorization, API security, and cryptographic misuseExperience securing production backend systems and developer platforms, with the ability to reason about systems-level code (Rust a strong plus)Familiarity with modern secure software development practices, authentication systems, and key managementClear communicator with a pragmatic security mindset suited to high-trust, fast-moving engineering teamsBenefitsMonthly budget for expenses relating to working in a remote environment (home office setup & supplies, transportation, fitness & personal well-being, continued learning, etc.).Comprehensive, top-tier healthcare coverage.Flexible vacation policy.Ability to attend major industry conferences and global events at the company’s expense.Regular team off-sites and retreats.