Join our high-performing team developing modern, large-scale backend systems for the travel and transportation industry. As a Senior Java Developer, you will lead a team in designing, implementing, and optimizing backend services and APIs that power mission-critical systems used by millions of travelers worldwide. You’ll play a key role in shaping system architecture, ensuring performance, reliability, and scalability — while mentoring developers and contributing to a culture of engineering excellence.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Job Description
SUMMARY
💰 140 - 180 PLN/h on B2B
💰 16 800 - 21 500 PLN gross on UoP
📍 Kraków (Hybrid - 2 days office / 3 days remote)
💼 Senior/Lead
PROJECT
We are looking for a Senior Java Developer with 7+ years of experience to join our high-performing team developing modern, large-scale backend systems for the travel and transportation industry.
If you have a strong background in Java development, cloud-native architecture, and enterprise-grade application design, this is your opportunity to take part in building the technology behind global travel experiences.
As a Senior Java Developer, you will lead a team in designing, implementing, and optimizing backend services and APIs that power mission-critical systems used by millions of travelers worldwide. You’ll play a key role in shaping system architecture, ensuring performance, reliability, and scalability — while mentoring developers and contributing to a culture of engineering
excellence.
YOUR ROLE
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- Design, develop, test, and debug complex software solutions
- Design and build prototype applications
- Research best practices, new tools, and technology.
- Work closely with technical staff to understand problems with software and resolve them
- Work closely with the Product team to understand business requirements
- Assist in the development of software technical documentation
- Support SRE in our effort to evolve CI/CD processes and stability
MUST HAVE
- 7+ years of relevant professional experience as a Java Developer
- Good organizational skills, self-discipline, and commitment orientation
- Excellent Java/J2EE programming skills
- Expert knowledge in Java Core Multithreading
- Experience with Git, Maven, Jenkins, Docker, Unix/Linux
- Experience with noSQL/Couchbase
- Experience with REST/JSON/XML/Web Services
- Experience with JUnit/Unit Testing
- Experience with Spring framework
- Experience with cloud-based technologies (GCP)
- Excellent analysis and problem-solving skills
- Good communication skills in English, written and verbal
- Demonstrate a winning culture
- Ability to handle multiple tasks simultaneously
Discover our full range of relocation jobs with comprehensive support packages to help you relocate and settle in your new location.
OUR OFFER
- The relocation package (4500 PLN total value) is paid in three installments (1500 PLN per month) if your permanent office presence is mandatory and you need to relocate from another city
- Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport card; Life insurance
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