Senior Software Engineer, Java

Allwyn Lottery Solutions

Senior Software Engineer developing Java solutions for Allwyn Lottery Solutions. Responsible for high-quality software design, development, and implementation of robust applications.

Posted 7/9/2026full-timeMarousi • 🇬🇷 GreeceSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDockerJavaJUnitKubernetesRDBMSSDLCSpring

About the role

Key responsibilities & impact

**As part of your everyday responsibilities, you will:**
- Develop high-quality software design
- Identify, prioritize, and execute tasks in the software development life cycle
- Develop tools and applications with clean, maintainable, and secure code and guide the rest of the team in doing so
- Demonstrate excellent RDBMS skills (design, implementation, migration) working with large amounts of data in production systems
- Conduct code reviews and provide feedback to help the team keep the code quality high
- Review and debug code
- Implement REST APIs
- Deploy and maintain dev & production systems
- Apply best practices in software engineering
- Write Unit tests

Requirements

What you’ll need

**Key qualifications for your success: ****
- University-level degree (at postgraduate level is a plus) in Computer Science, Information Technology, or a relevant field of study
- 5+ years of proven working experience with at least one Java framework (preferably Spring 4+) and ORM framework
- Excellent RDBMS skills (design, implementation, migration) working with large amounts of data in production systems
- Experience in implementing REST APIs
- Excellent understanding of concurrency in Java
- Understanding of distributed computing principles and challenges
- Understanding of how to write clean, maintainable, and secure code as well as guiding the rest of the team in doing so
- Experience with OAUTH
- Experience deploying and maintaining production systems
- A strong drive to follow and apply best practices in software engineering
- Experience in Unit tests using JUnit or Spock
- Good understanding of Docker
- Familiarity with Microservice architecture
- A strong drive to follow and apply best practices in software engineering
- Excellent oral and written communication skills
- Excellent presentation skills
- Excellent command of English language
- Proficient in Java and RDBMS******It would be highly advantageous if you had:**
- Experience with K8S
- Experience with at least one of the major cloud providers (ie AWS, GCE, Azure)
- Experience in Automated testing (functional tests and integration tests) and CI / CD
- Experience with JVM languages other than Java
- Demonstrated ability to write Unit tests using JUnit or Spock
- Good understanding of front-end technologies and frameworks
- Event-driven architecture

Benefits

Comp & perks

**Unlock the Benefits-Discover What's in for you:****
- Be part of a dynamic team with enthusiastic experts that will support your talent and growth
- Embark on a journey within a diverse environment full of opportunities and challenges
- Comprehensive onboarding experience designed to facilitate your smooth transition
- Attractive salary and a bonus plan
- Health and life insurance for you and your family
- Well-being allowance
- Monthly lunch allowance
- Developmental 360° feedback framework
- Unlimited Training options and tools
- Extensive leave plan
- Employee Assistance Program with specialized Counselors / Licensed Psychologists / Nutritionists / Coaches / Physical Coaches
- Enjoyable and stable working environment
- Flexible working arrangements (fully remote/hybrid)
- Modern workspace environment
- Apple equipment and top-notch office technology to support our hybrid working
Allwyn is an Equal Opportunity Employer which prides itself in being diverse and inclusive. We do not tolerate discrimination, harassment, or victimization in the workplace. All employment decisions at Allwyn are based on the business needs, the job requirements, and individual qualifications. Allwyn encourages applications from individuals regardless of age, disability (visible or hidden), sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion, or belief, and marriage and civil partnerships.
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Hard Skills & Tools

JavaRDBMSREST APIsUnit TestingConcurrency in JavaDistributed Computing PrinciplesOAUTHMicroservice ArchitectureAutomated TestingEvent-Driven Architecture

Soft Skills

Excellent Oral and Written Communication SkillsExcellent Presentation Skills