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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on digital solutions for the travel and aviation industry. Work on a scalable backend supporting online booking and travel management. Required technologies include Java and Spring / Spring Boot, working with REST APIs and microservices, relational databases and CI/CD practices. Responsibilities cover developing and maintaining backend applications, designing APIs, participating in architectural decisions, code reviews, collaborating with frontend, QA and DevOps, and building scalable, reliable solutions. Offered: private healthcare, shared sports costs, hybrid model (from Kraków), work on a modern product, B2B contract and long-term cooperation.
from: 29 September 2026
to: 29 October 2026
25 000 - 25 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:remote
Rzeszów, Subcarpathia
Rzeszów, Subcarpathia
Requirements
Expected technologies
Java
Spring
Spring Boot
Optional technologies
AWS
Microsoft Azure
Google Cloud Platform
Kafka
GitHub Copilot
Claude Code
Cursor
Our requirements
- 5+ years of professional experience in backend development
- Strong knowledge of Java and Spring / Spring Boot
- Solid experience with REST APIs
- Practical experience with microservices
- Experience working with relational databases
- Good understanding of software development best practices, testing and CI/CD
- Experience building scalable and reliable applications
- Good command of English
- Ability to work independently and take ownership of technical solutions
Optional
- Experience working in the travel, aviation or e-commerce industry
- Experience with cloud platforms such as AWS, Azure or GCP
- Knowledge of event-driven architecture and messaging systems (e.g. Kafka)
- Experience with Docker, Kubernetes and modern deployment practices
- Familiarity with AI-powered development tools (e.g. GitHub Copilot, Claude Code, Cursor) or experience using AI to improve engineering workflows
- Experience integrating AI/LLM-based solutions into applications
- Experience working in international and distributed engineering teams
Your responsibilities
- Developing and maintaining backend applications using Java
- Designing and developing REST APIs and integrations
- Working with microservices architecture
- Taking part in technical design and architectural decisions
- Building scalable, reliable and high-quality solutions
- Collaborating closely with frontend developers, QA, DevOps and other technical specialists
- Participating in code reviews and knowledge sharing
- Contributing to the continuous improvement of development practices
About the project
We are looking for an experienced Senior Java Developer to join an international team working on modern digital solutions for the travel and aviation industry.
You will be involved in developing scalable backend solutions that support digital customer journeys, online booking, additional services and travel management.
This is how we organize our work
This is how we work
in houseat the client's siteyou focus on a single project at a timeyou develop several projects simultaneouslyyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productyou focus on product developmentagile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
- documentation
- testing environments
What we offer
- Private healthcare
- Multisport,
- Hybrid working model (from Kraków),
- Work on a modern product used in the travel & aviation industry
- International environment and experienced engineering team
- Opportunity to influence technical solutions and architecture
- B2B contract
- Long-term cooperation and opportunities for professional growth
Development opportunities we offer
- development budget
- intracompany training
- substantive support from technological leaders
- technical knowledge exchange within the company
Benefits
- sharing the costs of sports activities
- private medical care
- remote work opportunities
- flexible working time
BRAVER IT SPÓŁKA AKCYJNA
As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.
Senior Java Developer
25k–25k zł / mth. (B2B)
I apply to:
BRAVER IT SPÓŁKA AKCYJNA
Rzeszów, Subcarpathia
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