Your code will protect millions of devices. At CUJO AI, our OTM (On The Move) team builds Android and iOS apps backed by a cloud platform deployed on AWS — delivering cybersecurity and parental control features to users on the go. We're looking for a Senior Software Engineer with proven experience in programming using TypeScript/Node.js on AWS serverless services, to build secure, scalable services that mobile apps and network service providers rely on worldwide. In This Role, You Will: - Design and build cloud-native services on AWS serverless architecture using Lambda, API Gateway, Cognito, AWS CDK, DynamoDB, CloudFront, MSK, and more. - Build RESTful APIs to develop backend services around OTM product functionality, integrate with existing CUJO AI platforms — all using Node.js/TypeScript. - Own infrastructure-as-code and CI/CD pipelines (Jenkins, GitHub Actions). - Monitor, troubleshoot, and optimize systems for reliability at scale. - Mentor engineers and collaborate across distributed, multinational teams. Requirements What We’re Looking For: - Strong hands-on experience with TypeScript and Node.js. - Experience with AWS services. - Experience with OAuth2.0 / OpenID Connect and secure authentication flows. - Track record of building CI/CD pipelines and driving test automation. - A security-first mindset and comfort working in Agile teams. - Fluent English. What Will Make You Stand Out: - Deep experience with AWS services and workloads at scale. - Strong architectural documentation and system design skills. - Knowledge of VPN technologies (OpenVPN, WireGuard server management and extensions) and networking fundamentals. - Familiarity with AI-assisted dev tools (Claude, GitHub Copilot, Cursor AI). - Willingness to pick up other programming languages as needed (Java, Kotlin, Python, Go). - Android/iOS development experience. Why Join CUJO AI? - Flexible work — fully remote or hybrid, your call. - Learning & certifications — access to online training platforms (Udemy, Pluralsight, and more) plus bonuses for passed AWS certifications. - Annual performance bonuses . - Health insurance and comprehensive benefits. - Team gatherings — annual company events and activities. - Referral rewards — up to €1,000 per successful hire. 📅 Apply by April 19, 2026 – but don’t wait! We’ll hire as soon as we find the right person. 📩 Apply via our recruitment portal. Questions? Email us at careers@cujo.com.