Mid Java Developer

Playnetic

HybridPosted July 28, 2026

About the role

Mid Java Developer – Hybrid (Budapest, Hungary; Sofia, Bulgaria)

Join Playnetic, an innovative and fast-growing iGaming company delivering cutting-edge casino games and technology to millions of players worldwide.

We are looking for an experienced Java backend developer to join our backend team, working on high-performance game server solutions in the iGaming domain. You will contribute to building scalable casino game servers, integrating with external systems, and continuously improving our platform.

Mid Java Developer

Playnetic

HybridPosted July 28, 2026

About the role

Mid Java Developer – Hybrid (Budapest, Hungary; Sofia, Bulgaria)

Join Playnetic, an innovative and fast-growing iGaming company delivering cutting-edge casino games and technology to millions of players worldwide.

We are looking for an experienced Java backend developer to join our backend team, working on high-performance game server solutions in the iGaming domain. You will contribute to building scalable casino game servers, integrating with external systems, and continuously improving our platform.

Responsibilities

Design, develop, and maintain backend services for casino game servers and related tools
Build and manage integrations with third-party systems and external services
Take end-to-end ownership of features—from design to deployment and support
Collaborate with cross-functional teams to resolve product-related issues
Continuously research and implement improvements to existing systems and architecture
Ensure high performance, scalability, and reliability of backend services

Requirements

Preferred Qualifications:

2+ years of Core Java development
Experience with Spring Boot and microservices architecture; Quarkus is a plus
Proven track record in building scalable backend systems
Understanding of SQL and NoSQL databases
Strong communication and problem-solving skills
Experience with Quarkus
Knowledge of WebSockets, JWT, and CORS
Experience with Docker, Redis, RabbitMQ, Kafka, or similar technologies
Background in performance optimization and system tuning
Hands-on experience in iGaming, particularly with casino game servers
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Responsibilities

Design, develop, and maintain backend services for casino game servers and related tools
Build and manage integrations with third-party systems and external services
Take end-to-end ownership of features—from design to deployment and support
Collaborate with cross-functional teams to resolve product-related issues
Continuously research and implement improvements to existing systems and architecture
Ensure high performance, scalability, and reliability of backend services