Senior Software Engineer, Interface

🚀 CUJO AI® is a leader in artificial intelligence solutions for network service providers. We use machine learning and real-world data to develop cybersecurity, device intelligence, and parental control solutions that make internet connections safer for millions of homes. 

About the Role 

We are looking for a talented and motivated Senior Software Engineer with a background in building cloud native backend services to join our high performing and fast-growing engineering organization in Lithuania. 

In this role you will play a pivotal role in designing, developing and maintaining high quality platform services that power CUJO AI Cloud. 

The compensation package is from 5000 EUR to 6000 EUR (gross), depending on your experience. 

In This Role, You Will: 

• Collaborate with cross-functional teams to analyze requirements, design solutions, and implement features. 
• Write clean, efficient, and maintainable code using best practices. 
• Participate in code reviews and provide constructive feedback to peers. 
• Troubleshoot and resolve software defects. 
• Stay up to date with industry trends and emerging technologies. 
• Take ownership of the work delivered, adopt “You build it, you run it” mentality. 
• Build and improve CI/CD pipelines to enable safe and stress-free deployments. 
• Implement observability into the systems by instrumenting code to collect metrics and configuring service monitoring and alerting.

What We’re Looking For: 

• Proficiency in one or more programming languages, such as TypeScript/JavaScript, Python, or Java. However, TypeScript is essential, as the majority of our team's solutions are developed using TypeScript. 
• Experience in working with AWS, especially services like ECS, ELB, S3, Lambda, API Gateway, Route53, CloudWatch, IAM, VPC, Cognito, CloudFront, WAF. 
• Experience in developing and running Serverless and Serverful workloads in AWS. 
• Experience in provisioning resources in cloud-based environments using infrastructure as a code. Ideally AWS CloudFormation with AWS CDK. Terraform experience is a plus. 
• Understanding the key technical aspects on distributed systems, observability techniques, monitoring and alerting systems. 
• Strong emphasis on security, automation and quality. 
• Understanding OAuth 2.0 standards and flows or desire to learn them is mandatory for this role, while experience implementing Identity Provider is a plus. 
• Have a solid understanding and experience building declarative automation pipelines with tools such as Jenkins or Github Actions or similar to implement CI/CD pipelines to compile, test, package and deploy components in multi-account, multi-region cloud environments. 
• Good understanding of Git version control system, and common development and collaboration methodologies around it. 
• Documentation skills (processes, diagrams, technical designs).

What Will Make You Stand Out: 

• Exemplify leadership in your areas of expertise and proactively embrace challenging tasks. 
• Co-operative and can-do attitude. 
• Team player, able to express own opinion, give/take and apply feedback. 
• Communication and collaboration skills required to work in a multinational, geographically distributed, remote-first organization. 
• Fluency in English (spoken and written) for effective communication with our international team. 

Why Join CUJO AI? 

• Flexible Work – Hybrid or fully remote options based on your location.
• Team Gatherings – Annual company events and team activities.
• Career Growth – Training bonuses for AWS certifications and other learning opportunities.
• Performance Bonuses – Company-wide annual bonus program.
• Referral Rewards – Earn up to €1,000 for referring new hires. 

At CUJO AI, we value innovation, collaboration, and continuous improvement. Join us and work on technology that makes the internet safer! 

📅 Apply by August 10, 2025 – 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].