Full Stack Java/JS with CPaaS expertise

We’re looking for a skilled and self-motivated Full Stack Java/JS with hands-on experience in CPaaS platforms (such as Infobip, Vonage or similar) to join our team. 

Requirements:

• 5+ years of experience in Java development
• Solid experience with JavaScript 
• Solid hands-on experience with AWS (EC2, Lambda, S3, etc.)
• Proven experience working with CPaaS platforms (Infobip, Vonage, Twilio, etc.)
• Deep understanding of API integration, RESTful/SOAP services
• Strong problem-solving skills and ability to work independently
• Experience with CI/CD pipelines and version control tools (e.g. Git)
• A consultative mindset: ability to test, analyze, and evaluate external technologies
• English — Upper Intermediate or higher 

Nice to have:
 

• Experience working with messaging queue systems (e.g., RabbitMQ, Kafka)
• Familiarity with WebSockets, push notifications, and real-time messaging
• Previous experience in telecom, fintech, or communication-intensive products
   

Responsibilities:

• Design, develop, and maintain scalable applications using JavaScript/Java and AWS
• Integrate messaging platforms (Infobip, Vonage, etc.) via RESTful APIs
• Test and benchmark various CPaaS solutions, validate vendor claims, and suggest optimal choices
• Act as a technical advisor in the selection of communication platforms and integrations
• Ensure high availability, scalability, and reliability of services hosted in AWS (EC2, Lambda, S3, etc.)
• Collaborate with product teams to define requirements and implement features
• Document technical decisions and provide reports on CPaaS provider performance and limitations
• Research and recommend best practices in communication architecture and cloud infrastructure

We offer:

• A full-time job
• Flexible working hours
• Paid vacation and sick leave
• Managing your taxes and accounting
• Career and professional growth opportunities
• Optional benefits package that includes Health insurance, Gym membership, English courses, compensation of certification, courses, and training
• Creative and lively team of IT specialists, adequate management, and zero unnecessary bureaucracy