Playnetic

Mid Java Developer

Playnetic · Sofia, Sofia-City, Bulgaria

Software Development · 51-200 employees

5 h ago
Mid (2-5 yrs) Full-time Hungary
Log in to apply, save this posting, or score it against your profile with AI.

About the role

The role involves designing, developing, and maintaining backend services for high-performance casino game servers. The developer will manage third-party integrations and take end-to-end ownership of features from design to deployment.

What they look for

Core Java Spring Boot Microservices Quarkus SQL NoSQL WebSockets JWT CORS Docker Redis RabbitMQ Kafka Performance Optimization System Tuning iGaming

Requirements

Candidates need over 2 years of experience in Core Java, Spring Boot, and microservices architecture. Proficiency in SQL/NoSQL databases and experience with scalable backend systems are required.

Benefits

Competitive salary packages Performance-based rewards Paid vacation Sick leave Regular team events Company-sponsored activities Professional development and training

Full description

Job Title: Mid Java Developer

Department: Technology

Location: SOF / BUD - Hybrid

Employment type: Full-time

Reports to: Java Developer Team Lead

Why Playnetic?

Playnetic is an innovative and fast-growing player in the iGaming industry. We create cutting-edge casino games and technology that entertain millions of players worldwide, combining creativity, quality, and innovation at every step. Our gaming content is built around our core values: quality gaming, dedicated customer service, and reliable delivery to our partners.

With a global mindset, we’re committed to building engaging products and an inspiring workplace where teams can thrive.

Job Summary

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

Key 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

Required Skills & Experience

  • 2+ years of experience in Core Java development
  • Experience with Spring Boot and microservices architecture, Quarkus is an advantage
  • Proven track record in building scalable backend systems
  • Understanding of SQL and NoSQL databases
  • Strong communication and problem-solving skills

Preferred Qualifications

  • 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
  • Familiarity with gambling mechanics and industry concepts

What we offer:

Real Impact & Greenfield Projects: We are small enough that your voice is heard, and your contributions directly influence how we build. You’ll have the unique opportunity to work on greenfield projects, giving you the space to truly shine, build from scratch, and leave your architectural mark. 

Autonomy & Modern Tech: We believe in giving our developers the creative autonomy to execute and innovate using a cutting-edge, modern tech stack. There is absolutely no micromanagement here—we trust your expertise and give you the ownership to solve complex problems your way. 

Supportive Leadership & Flat Hierarchy: Work within a collaborative, professional environment with open communication and a flat hierarchy. Our teams are led by accessible, engineering-focused managers who prioritize mentorship, psychological safety, and removing blockers so you can focus on building great software. 

Fast-Track Growth: As we scale, your career scales with us. Whether you are stepping into leadership or deepening your technical mastery, we actively support your professional development, training, and career progression. 

Competitive Compensation: We offer highly competitive salary packages and performance-based rewards designed to attract, motivate, and retain top engineering talent. 

Balance & Culture: Beyond the code, we provide comprehensive paid vacation and sick leave, along with regular team events and company-sponsored activities to keep our teams connected, creative, and refreshed.