Senior Backend Developer

AtCampeón Gaming, we build the technology behindonline casino and sports betting brands.

We provide anall-in-one platformthat allows our partners to launch, run, and grow their own brand with our engine. From the technology to the day-to-day operations, we support everything needed to make a brand successful.

Our platform is fast, flexible, and designed to scale across regulated markets worldwide. Also, we offermanaged servicessuch as Payments, CRM, Customer Support, KYC & Fraud, Affiliates, and Casino & Sportsbook Management.

This allows our partners tofocus on growing their brand, while we support thetechnology and core operational functionsof the platform.

But what truly sets us apart isour people.

We are a team of190+ Campeones from 17+ nationalities, bringing together diverse perspectives, ideas, and expertise. Our culture is rooted in beingpeople-first, buildingtrust, embracingmeraki, fosteringteam spirit, and adopting agrowth mindset, both as individuals and as a company.

We’ve been recognized among theBest Workplaces in Europe 2024, consistently ranked as aBest Workplace in Greece (2021–2025), certified as aGreat Place to Work for 6 consecutive years, and awarded asBest Workplace for Women Hellas 2026andBest Workplace in Tech Hellas 2025.

Ready to build this journey together? Your story starts here!

About the Role

We are currently looking for a motivated Senior Backend Developerto join our team.

Responsibilities:

• Analyze and implement back-end solutions according to business requirements.
• Follow and promote software development design patterns and best practices.
  
• Integrate new gaming and payment providers.

Requirements:

• BSc in computer science or relevant field.
• Fluency in written and verbal English.
• Minimum 5 years of experience in backend development.
• Minimum 5 years of experience developing in JAVA.
• Confidence in RESTful services.
• Experience with GraphQL, Redis, Postgres.
• Basic Git knowledge.
• Ability to work both as an individual and as part of a team.
• Experience in the iGaming industry will be considered a plus.
• Show initiative to expand knowledge.

We got you covered here:

• Competitive Salary
• Access to LinkedIn Learning programs as well as funding to educational programs of your choice
• Private Medical insurance & Access to a 24/7 Employee Assistance Program
  
• Monthly allowance for orders via the Wolt App & free drinks and snacks at the office
• Coverage of your public transportation expenses and gym membership
  
• Paid educational leave
• Hybrid working model
• Modern offices in the center of Athens
• 360 feedback for Constant personal and professional development
• 6 Company Extra Days off!

Diversity, Equity & Inclusion

At Campeón Gaming, we believe every story deserves to be heard and valued. We are proud signatories of the Diversity Charter Greece, reinforcing our commitment to a culture of equality, respect, and inclusion.

We welcome and celebrate people of all backgrounds, experiences, and perspectives. For us, diversity is not just a principle. It’s a strength that drives innovation, connection, and collective success.

Every story deserves a shared journey. Ready to be a Campeόn?