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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on development and maintenance of booking and transactional systems handling high-volume travel operations. The stack includes Java and Spring Boot, with microservices, REST and gRPC, deployed on GCP and Kubernetes using Docker. Responsibilities cover designing, developing, testing and maintaining backend applications, building APIs, participating in CI/CD and deployments, production support, troubleshooting via logs and monitoring, and conducting code reviews and mentoring.
Senior Java Developer
Company: TENARAI TECHNOLOGIES SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
from: 17 September 2026
to: 17 October 2026
140 - 160 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
Kraków, Podgórze
Requirements
Expected technologies
Java
Spring Boot
Google Cloud Platform
Docker
Kubernetes
GitHub
Jenkins
GitHub Actions
Prometheus
WireMock
Optional technologies
Python
Bash
Our requirements
- 6+ years of experience with Java and Spring Boot.
- Experience building microservices, REST APIs, and gRPC services.
- Hands-on experience with GCP, Docker, and Kubernetes.
- Knowledge of GitHub, Jenkins, or GitHub Actions.
- Familiarity with monitoring tools such as Prometheus and Stackdriver/Cloud Monitoring.
- Basic scripting skills in Python or Bash.
- Experience with WireMock and performance testing.
- Communicative proficiency in both English and Polish.
- Must possess a legal work permit in Poland.
Your responsibilities
- Design, develop, test and maintain backend applications using Java and Spring Boot.
- Build and support RESTful APIs and gRPC services.
- Develop solutions deployed on Google Cloud Platform (GCP) and Kubernetes.
- Collaborate with QA, SRE, and Product teams.
- Participate in CI/CD processes, deployments, and production support.
- Provide support during release cycles, including smoke testing, manual validation.
- Troubleshoot issues using logs, metrics, and monitoring tools.
- Conduct code reviews, mentor junior developers, and participate in an on-call rotation.
About the project
A large-scale, highly complex initiative focused on the development and maintenance of core internal systems. The project ensures seamless communication and integration between various backend components responsible for critical, high-volume travel and transactional operations.
Key Functional Areas:
What we offer
- Hybrid work model combining office & remote work in Cracow
- Attractively located office with collaboration spaces
- Onsite parking space for employees
- Referral program with financial bonus
- Life Insurance
- Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment
- Access to internal Learning Platform with multiple trainings oriented for professional growth
- Access to MyBenefit platform (Multisport included)
- Team Building activities
- Charity initiatives
- Working environment promoting diversity and inclusion
- Private medical care - Platinum Package
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of foreign language classes
- sharing the costs of professional training & courses
- life insurance
- remote work opportunities
- flexible working time
- integration events
- coffee / tea
- drinks
- parking space for employees
Recruitment stages
- 1.Recruitment Interview
TENARAI TECHNOLOGIES SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
We design and implement the modern architecture and AI solutions that help businesses turn industry disruption into market leadership and competitive advantage.
(Human ingenuity)AI at Tenarai, we characterize a unique way of combining our human expertise with AI capabilities. Our approach integrates elite engineering talent, deep domain knowledge, and specific customer context to deliver more impactful outcomes for our clients.
Senior Java Developer
140–160 zł / hr. (B2B)
I apply to:
TENARAI TECHNOLOGIES SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Kraków, Podgórze
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