Senior Backend Engineer, Node.js/TypeScript, AWS

🕒 August 17

🇱🇹 Lithuania – Remote

💵 €5k - €7k / month

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 6%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CUJO AI®

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2015

🔒 Cybersecurity

📡 Telecommunications

🤖 Artificial Intelligence

💰 $225k Seed Round - CUJO AI on 2022-09

Cybersecurity • Telecommunications • Artificial Intelligence

CUJO AI is a provider of network intelligence and AI-powered cybersecurity and device intelligence solutions for network service providers and operators. It transforms raw network data into real-time, actionable insights to improve operations, unlock new revenue streams, protect connected devices, and deliver personalized customer experiences at scale. The company presents a cloud-native, single-platform portfolio that includes network intelligence, device intelligence, digital life protection, and experience management; it reports deployment in over 60 million households and positions itself as a strategic innovation partner for tier‑1 service providers.

📋 Description

• 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 and backend services around OTM product functionality • Integrate backend services with existing CUJO AI platforms using Node.js/TypeScript • Own infrastructure-as-code and CI/CD pipelines using Jenkins and GitHub Actions • Monitor, troubleshoot, and optimize systems for reliability at scale • Mentor engineers and collaborate across distributed, multinational teams

🎯 Requirements

• Proven experience programming with TypeScript and Node.js on AWS serverless services • 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 • Security-first mindset • Comfort working in Agile teams • Fluent English • Deep experience with AWS services and workloads at scale • Strong architectural documentation and system design skills • Knowledge of VPN technologies, including OpenVPN and WireGuard server management and extensions • Networking fundamentals • Familiarity with AI-assisted development tools including Claude, GitHub Copilot, and Cursor AI • Willingness to learn other programming languages as needed, including Java, Kotlin, Python, and Go • Android/iOS development experience

🏖️ Benefits

• Flexible work — fully remote or hybrid, your call • Access to online training platforms including Udemy and Pluralsight • Bonuses for passed AWS certifications • Annual performance bonuses • Health insurance and comprehensive benefits • Annual company events and activities • Referral rewards — up to €1,000 per successful hire