Position: Middle Java Developer
Company: Ciklum
Category: Java
Experience required: 2y
English level: intermediate

On behalf of Ciklum Digital, we are looking for a Middle Java Developer to join our team on a full-time basis.

You will join a highly motivated team and will be working on a modern solution for our client. We are looking for technology experts who want to make an impact on new business by applying best practices and taking ownership.

About Project:

Glitnor Group is a bright new star within the I-gaming Industry – created by industry veterans who have founded and managed several successful businesses over the last decade.

They are present in Europe and Asia – with a unique and proven track record of building and nurturing strong brands, culture &amp; work environment.

Their vision is to take global leadership and change the competitive landscape for Game Studios, Game Operators and Lead Generation.

Glitnor currently holds a Gambling license in Malta and Sweden.

We are looking to extend our back-end team with a Middle Java Developer with experience in building high-performing, scalable, event-driven applications. You will be responsible for maintaining and developing a tech stack, consisting of a core gaming platform system and an event-driven microservice-based application operating on top of it. The technology it is built upon is Java/Spring, Kubernetes and Kafka. You will be a part of a friendly and open-minded team, enjoying informal attitude and high level of cooperation, so bring your positive mindset and be ready to smile while at work!

**Responsibilities**
Participate in the design, extend and support the stack functionality – transactional logic, game play events, campaign and bonus logic, compliance requirements, etc
Assist customer support and site owners in resolving production issues in a timely manner
Propose and implement improvements and optimizations of the tech stack
Collaborate with the product owners and stakeholders on grooming and estimating stories
Work closely with the front-end team and BI specialists on any back-end dependencies
**Requirements**
Experience in software development for more than 3 years;
Strong knowledge in Computer Science, Computing Theory:
Paradigm & Principles (OOP, SOLID);
Database theory (RDBMS);
Code testing practices;
Algorithms;
Data structures;
Design Patterns;
Understanding of network interactions:
protocols;
conventions (e.g. REST, RPC);
authentication and authorization flows;
standards and practices (e.g. oAuth, JWT);
Strong knowledge and experience in Java (Java 8 or above)(more than 2 years);
Practical commercial experience with:
REST API development;
You are experienced with Spring Framework (Spring Boot, Spring Cloud, Spring Integration and Spring Web) (more than 2 years);
Testing frameworks (e.g.g. JUnit, PowerMock, WiresMock) (more than 1 years);
ORM (e.g. Hibernate) (more than 1 years);
RDBMS (e.g MySQL/MariaDB, PostgreSQL, Oracle) (more than 1 years);
Hands-on experience with Kafka;
Experience with messaging – RabbitMQ, ActiveMQ etc.
Web Servers;
Version control systems (GIT);
Cloud computing platforms (Google Cloud Platform);
Experience with CI/CD – (we are currently using GitLab, but any other system like Bitbucket, Bamboo, Jenkins etc. will also count);
Docker;
Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo);
Builders;
You possess solid OOP skills;
Experience with Event-Driven systems, Event sourcing, CQRS;
Experience with Container Orchestration tools (we are currently using Kubernetes and Nomad);
Experience in supporting production systems, analyzing logs, dashboards etc. (we are currently using the ELK stack).
Experience with:
Agile software processes and technologies
Code Review process
Refactoring process
Upper-Intermediate English
**Desirable**
Knowledge in:
TDD, BDD
Architectural, Enterprise Patterns
Security patterns, Common attacks types (OWASP)
Deployment patterns
Experience with:
Troubleshooting, profiling and debugging applications
Microservices
Practical commercial experience with:
Key-value storages (e.g. Redis, Memcached)
Serverless architecture
Integration with 3rd party solutions
NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
Quality tools (e.g. SonarQube)
Past working experience in a Gambling/Casino company or understanding the Gambling/Casino business domain
Understanding of React/Redux or a relevant experience
**What's in it for you**
Career growth opportunities
Realization of your innovative ideas in building new Ciklum Solutions and Services
Friendly collaborative teams and an enjoyable working environment
Professional skills development and training programs
Variety of knowledge sharing, training and self-development opportunities
State of the art, cool, centrally located offices with a warm atmosphere which creates really good working conditions