Offensive Security Engineer

🕒 April 14

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CloudWalk, Inc.

WebsiteLinkedInAll Job Openings

201 - 500 employees

💳 Fintech

🤖 Artificial Intelligence

💰 $150M Series C on 2021-11

Fintech • Blockchain • Artificial Intelligence

CloudWalk, Inc. is focused on revolutionizing the payments industry by democratizing financial services and empowering entrepreneurs through innovative solutions. Their mission is to create a fair and technologically advanced payment network on Earth and beyond. Utilizing AI and blockchain, CloudWalk offers products such as InfinitePay, a financial platform serving businesses in Brazil, and JIM, an instant payment system in the US. Stratus, their high-performance blockchain, supports global payment networks. CloudWalk emphasizes customer engagement and disruptive economic models to transform how merchants sell and profit.

📋 Description

• Pentest applications across our stack, identifying vulnerabilities in APIs, mobile apps (Android/iOS), and infrastructure before attackers do. • Plan and execute realistic attack campaigns: phishing with custom domains, social engineering, lateral movement, privilege escalation. Measure real organizational resilience, not checkbox compliance. • Engineer security platforms, scanning pipelines, and automation that multiply the team's impact. • Design and build LLM-powered agents that detect, classify, triage and fix vulnerabilities in real time.

🎯 Requirements

• Strong knowledge of common vulnerabilities, exploitation techniques, and secure coding practices. You can find bugs in source code, not just with a proxy. • Experience with web application and API pentesting. Mobile pentesting (Android/iOS) is a strong plus. • You code daily. Proficiency in Typescript, Go, or similar, not just scripts, but tools and services others can rely on. • Familiarity with cloud infrastructure security (GCP/AWS/Azure), Kubernetes, and service mesh concepts. • Understanding of CI/CD pipelines and how to embed security checks into them. • Experience leveraging LLMs or AI agents for security tasks. • Excellent communication and collaboration skills to work effectively with engineering teams.