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.
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.
The compensation package ranges from 5,000 to 7,000 EUR (gross), depending on your experience. We are focused on finding the right person for this role and are open to discussing salary expectations based on your skills, competencies, and experience.
📅 Apply by June 14, 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 [email protected].
Skills Required
- Hands-on experience with TypeScript and Node.js
- Experience building cloud-native services on AWS (Lambda, API Gateway, Cognito, DynamoDB, CloudFront, MSK)
- Experience with OAuth2.0 / OpenID Connect and secure authentication flows
- Proven experience building RESTful APIs and backend services
- Experience owning infrastructure-as-code (AWS CDK) and CI/CD pipelines (Jenkins, GitHub Actions)
- Track record of driving test automation and CI/CD best practices
- Security-first mindset and experience working in Agile teams
- Fluent English
What We Do
CUJO AI is the global leader of cutting-edge cybersecurity and network intelligence solutions that enable network operators globally to improve the digital life protection of their customers in and outside the home. By pioneering AI-powered cybersecurity and empowering a growing ecosystem of OEM partners, CUJO AI helps major ISPs around the world to protect their subscribers. Mobile and fixed network operators use our holistic capabilities to improve their customer value proposition, monetize their networks, and reduce operating complexity and costs. The CUJO AI Platform powers a suite of services for home network security, advanced parental controls and profile-based content blocking, as well as privacy protection. CUJO AI has reached an unprecedented scale on production networks, firmly establishing its market leadership for Digital Life Protection (DLP) services. CUJO AI secures over 40 million households and more than 1 billion devices. Our largest clients include Charter Communications and Comcast in the United States, and TELUS in Canada. More information is available at https://cujo.com/
