Senior Java Engineer @ Winged IT
3 weeks ago
- At least 5 years of experience with Java (version 17 and up);
- Framework knowledge: Spring Framework (Spring Boot, Spring MVC), Hibernate or JPA;
- Tools: Docker and CI/CD tools (e.g., Jenkins, GitLab);
- Databases: Strong SQL skills with hands-on experience in relational databases;
- Testing: Proficiency in unit testing (JUnit, Mockito) and integration testing tools;
- Cloud & DevOps: AWS cloud infrastructure and microservices architecture;
- System Design: Solid experience with microservices architecture, scalability, and system integration;
- Strong educational background in Computer Science, Information Technology, or a related field;
- Language proficiency: Advanced English (minimum B2 level).
Nice to have:
- Others Java frameworks and Spring Security;
- Kubernetes and CI/CD best practices;
- NoSQL databases, PostgreSQL, and database performance tuning;
- Performance testing and automation frameworks experience;
- DevOps tools (Terraform, CDK) and monitoring tools (Prometheus, Datadog);
- Understanding of distributed systems, event-driven architecture (Kafka, RabbitMQ);
- Awareness of security best practices, API design (RESTful, GraphQL), and container orchestration tools.
Our Client: Klarna
Location: Warsaw (hybrid work, at least 3 days a week from office)
Rate: 165 - 195 PLN per hour
Cooperation model: B2B or Employment Contract
Start date: ASAP
Duration: long-term agreement
Recruitment process: 1 timed Abstract and Logical Reasoning Test (up to 15 minutes); 1 short interview (up to 30 minutes)
Technology stack: Java (latest versions), Spring, Spring Boot, Docker, Kubernetes, Kafka, PostgreSQL, DynamoDB, Elasticsearch, Microservices architecture on AWS
Our client offers:
+ Great opportunity for personal development in a stable and friendly large multinational company;
+ Start-up mentality, small agile teams;
+ Global Reach: Impact millions with seamless shopping and payments;
+ Career growth and additional education.
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