Senior Backend Developer – Messaging CPaaS Platform

Who we are:

GMS is the AI-driven communications solutions partner for Mobile Network Operators and enterprises globally. Through recent acquisitions, GMS has enhanced its product portfolio with Generative AI and Conversational AI, as well as improving the technical capabilities of GMS CPaaS. Together with our clients we identify growth opportunities and co-create secure, engaging AI-driven communications solutions that build trust between brands and their audiences, enabling next-generation customer experiences. We are the strategic partner of choice, ready to greenlight tomorrow.

What you’ll do:

• Develop and maintain the server-side logic of our messaging CPaaS platform using Java.
• Ensure the performance, quality, and responsiveness of applications.
• Collaborate with the team to define, design, and ship new features.
• Implement security and data protection measures.
• Design and implement data storage solutions.
• Provide code documentation and other inputs to technical documents.
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

What we expect:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Proven work experience as a Backend Developer with a strong focus on Java.
• Proficiency in Java programming language and understanding of JVM-based frameworks (e.g., Spring Boot, Hibernate).
• Experience with RESTful API development.
• Solid understanding of object-oriented programming.
• Familiarity with cloud services (AWS, Google Cloud, or Azure) and deploying applications in a cloud environment.
• Knowledge of database technologies, both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB, Cassandra).
• Understanding of security practices, including authentication, authorization, and encryption techniques.
• Excellent problem-solving skills and ability to work.

Will be a plus:

• Experience with microservices architecture and containerization technologies (Docker, Kubernetes).
• Familiarity with continuous integration/continuous deployment (CI/CD) pipelines.
• Experience in developing or contributing to CPaaS platforms or similar cloud-based messaging services.
• Knowledge of frontend technologies (for better collaboration with frontend developers) is a plus.

What we offer:

• Multicultural and dynamic environment in fast-growing worldwide business.
• One-of-a-kind company culture — a mixture of an open mindset, high dedication, striving for success, and team spirit.
• Professional team that is committed and stands for the highest standards of performance.
• Our values – Integrity, Agility, and Commitment – are vivid in day-to-day company activities.
• Customer-oriented culture with a high respect for both internal and external customers.
• Competitive salary and bonus system.