Senior Java Developer

About Us: 

Delasport is where technology meets the excitement of sports and gaming! As a leading powerhouse in iGaming software, we provide everything from sports betting to online casinos and player account management. Our platform is designed to make every player feel like the star of the show, with personalized experience and cutting-edge technology at its heart.   

Since 2010, we've made a significant impact in industry, earning awards and expanding our global presence. With offices in Bulgaria, Ukraine, and Malta, our team of over 500 experts is constantly driving innovation and striving for excellence. 

About the Role

We’re on the lookout for a Senior Java Backend Engineer to help us design, build, and scale a modern, distributed system. This role is all about ensuring our platform is fast, reliable, and rock-solid as we extend existing functionality and create new features from the ground up. You’ll take full ownership of the development process, support the systems you build, and adapt quickly in an exciting environment with evolving product needs.  

How You’ll Make an Impact:  

• Design and implement scalable APIs and backend services that power high-availability applications. 
• Drive the full software lifecycle — from architecture and design to implementation, testing, deployment, and long-term support. 
• Maintain and optimize systems for performance, scalability, and reliability at scale. 
• Collaborate closely with product owners, designers, and engineers to align business goals with technical solutions. 
• Mentor and guide teammates through code reviews, design discussions, and best engineering practices. 

Employees may be required to participate in an on-call rotation, ensuring availability outside regular working hours to respond to urgent issues as needed as per the On call policy.

 Who You Are:  

• 5+ years of backend development experience with strong expertise in Java and object-oriented design. 
• Solid knowledge of design patterns, system architecture, and scalability principles. 
• Hands-on experience with databases (SQL/NoSQL) and message-driven systems (e.g., Kafka, RabbitMQ). 
• Familiar with containerization and orchestration (Kubernetes, Docker). 
• Comfortable with automated testing (unit, integration, performance). 
• Proven track record building and supporting production-grade, high-load systems. 
• Thrive in a dynamic, fast-changing environment with shifting priorities. 
• Strong communicator with a proactive, ownership-driven mindset. 

What We Offer: 

We’re not just about work,  we are about creating a great place to grow, connect, and enjoy the journey. Here’s what you can expect when you join us:

• Competitive Salary Package: We value your skills, dedication, and contributions
• Time Off: Enjoy 21+ days of annual paid leave so you can rest, recharge, and come back inspired
• Bonus & Rewards: Performance-based annual bonuses, special vouchers for birthdays and welcoming a newborn
• Health & Wellness: Additional Health insurance including dental care; Co-funding a Multisport/Coolfit card to help you stay active
• Extra Benefits: Employee discounts at various retailers and a monthly allowance for public transportation
• Great Office Locations: Central office location in Sofia and Plovdiv
• Relax & Recharge Zone: Take a break with colleagues in our PlayStation and Pool Area - perfect for recharging during the day

Wait, there’s more:

• Happy Hour Fridays: Every Friday we host themed Happy Hours with snacks, fun activities, and plenty of opportunities to connect and unwind with colleagues
• Multicultural Days: Celebrate diversity and experience the traditions, food, and cultures of teammates from around the world
• Massages at the Office: Weekly Free Recreational Massages to help relax during the workday
• Chess Lessons: Sharpen your strategic thinking and enjoy some friendly competition with colleagues
• Sports & Football Team: We regularly participate in various sports events and have our own Delasport Football Team, competing in the IT League
• Bulgarian Language Lessons: Bulgarian for Foreigners classes to support smoother communication
• Office Library: Enjoy access to technical literature to expand your knowledge

Ready to Be Part of Something Big?   

If you're excited to join a team that's revolutionizing the iGaming world and want to make a real impact, apply today. We can't wait to meet you! 

#LI-HYBRID