Java Developer for DGN

DGN Games is a truly global company which employs the combined strengths of a multi-cultural team spread across four continents.

Requirements:
Experience in software development for more than 2+ years
Languages/Specifications: Java 8+, SQL
Strong knowledge of Java Core, Error Handling, Servlets, Collections, Java Memory Model, Garbage Collection modes and principles, Concurrency
Frameworks: Spring (Boot, MVC, Security, Data)
Tools: GitLab, Maven, Docker, Jira
Databases: MongoDB, Redis
Messaging: Redis, RabbitMQ
Experience with Zookeeper, Tomcat, AWS (EC2, Lambda, CloudWatch, RDS, API Gateway)
Experience with high-performance and high-load systems
Strong knowledge of Computer Science, Computing Theory:
Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
Database theory (RDBMS, NoSQL)
Code testing practices
Algorithms
Data structures
Architectural, Enterprise, and Design Patterns
Understanding of network interactions:
• Protocols (HTTP, WebSocket)
• conventions (e.g. REST, RPC)
• authentication and authorization flow
• standards and practices (e.g. oAuth, JWT)
Experience with: troubleshooting, profiling, and debugging applications
Agile software processes and technologies
Intermediate+ level of English

Nice to have:
K8s
Experience in TDD
Testing: JMeter
Tools: Confluence, Jenkins
Understanding of Performance Monitoring and Testing (Thread Dumps, CPU and Memory Monitoring, Instrumentation)
Experience working with Jersey, SLF4J, Log4j, Guava, FasterXML, Jackson ObjectMapper, HttpClients

We offer:
Challenging tasks, opportunity to influence the quality of the product
Professional management
Interesting long-term project
Professional and personal development programs
Regular performance reviews
20 calendar days of paid vacation, paid sick leave
Work in a comfortable office
Medical insurance, sports compensation
Free English lessons
Creating fun while having fun - great people and positive working atmosphere

About Onseo

ONSEO is a space in which new projects, opportunities and products are born on the basis of diverse experience, knowledge and communication.

We are a modern international IT - company based in Ukraine, in which every staff member has:
opportunity for professional development - versatile tasks and projects of the company allow employees the opportunity to develop their own professional skills.
stability - the company takes care of its employees and ensures their stable work despite external crises (17 years on the global market)
social guarantees (paid vacation, medical insurance,compensation of expenses for sport, free english lessons)
comfortable psychological atmosphere: the work of each is valuable and noticeable to top management and colleagues.

We are united by the idea of creating world-class projects and products. And we have everything necessary for this: possession of a wide stack of technologies, a proven professional team and a reliable business support system, authority in international markets. And the most important thing is the experience and ability to integrate modern technologies into new projects, ideas, solutions.

Are you an IT specialist looking for a progressive company to work at? Join ONSEO team!

Company website:
https://onseostudio.com/index.php/uk/main_ua/

DOU company page:
https://jobs.dou.ua/companies/onseo/