Mid Java Developer @ Travcorp Poland

3 days ago


Katowice, Czech Republic Travcorp Poland Full time
About the role:

As a Java Developer, you will join a team responsible for developing a key business system that integrates various processes and supports a large number of users. The project features advanced business logic and complex data structures, offering opportunities to enhance your skills and contribute to the system's technological direction.

Responsibilities:
  • Develop and maintain RESTful and SOAP Web Services for system integrations.
  • Implement new features and functionalities using Java 8+.
  • Optimize and maintain database performance (SQL, PL/SQL).
  • Write unit tests (JUnit) and conduct code reviews to ensure code quality.
  • Collaborate with the team on modernizing system architecture.
  • Troubleshoot and resolve technical challenges to improve performance.
Requirements:
  • 4+ years of experience in Java development (1.8 or higher).
  • Proficiency in Spring Core and Hibernate.
  • Knowledge of SQL/PLSQL (Oracle databases).
  • Experience creating and maintaining RESTful and SOAP Web Services.
  • Familiarity with CI/CD tools (e.g., GitHub, TeamCity).
  • Strong problem-solving and analytical skills.
  • Fluent English (C1) – written and spoken.
Nice-to-have Skills:
  • Experience with Eclipse Link, Tomcat, or Tomee.
  • Knowledge of Struts, JSP, or advanced database optimization.
What we offer:

✨ Professional Development

  • Funding for certifications and training – your growth is our priority.
  • English lessons.
  • Opportunities to attend industry conferences and tech events.

💼 Comprehensive Benefits Package

  • Flexible benefit platform to suit your needs.
  • Discounts on trips from The Travel Corporation portfolio – explore the world with us
  • Legal and psychological support – for your peace of mind.

💚 Commitment to Social Impact

  • Volunteer days – contribute to causes that matter to you.
  • Participation in charitable initiatives – together, we can make a difference.

🌍 Supportive Work Environment

  • A dynamic team of experts where your input matters.
  • A collaborative space that encourages growth and innovation.
  • Hybrid work model – enjoy flexibility while staying engaged during regular office days, fostering collaboration and a sense of community.
,[] Requirements: Java, Data structures, REST API, SOAP, Web Services, System integration, SQL, JUnit, Spring, Hibernate, Oracle database, GitHub, TeamCity, Analytical skills, Eclipse, Tomcat, Struts, JSP Additionally: Conference budget, English lessons, Team of experts, Benefit platform, Discounts, Sport subscription, Training budget, Small teams, International projects, Free coffee, Bike parking, Shower, Free snacks, Free beverages, Free parking, In-house trainings, Modern office, No dress code.

  • Katowice, Silesia, Czech Republic Travcorp Poland Full time

    We are looking for a skilled Technical Java Professional to join our team in Travcorp Poland as a Mid Java Developer.Company Overview:Travcorp Poland is a dynamic company offering comprehensive benefits and opportunities for professional growth. Our teams collaborate on modernizing system architecture, developing RESTful and SOAP Web Services, and ensuring...


  • Katowice, Czech Republic Travcorp Poland Full time

    About the role: We are seeking a highly experienced Senior Java Developer to play a key role in developing, optimizing, and modernizing a complex, large-scale business system. You will work on advanced architectural solutions, lead technical discussions, and mentor team members while solving critical challenges in performance and...


  • Katowice, Silesia, Czech Republic Travcorp Poland Full time

    We are seeking a highly experienced Senior Java Developer to play a key role in developing, optimizing, and modernizing our complex large-scale business system.You will work on advanced architectural solutions, lead technical discussions, and mentor team members while solving critical challenges in performance and scalability.Responsibilities:Design and...


  • Katowice, Silesia, Czech Republic Travcorp Poland Full time

    We are seeking a highly skilled Business Intelligence Developer to join our team in Travcorp Poland. In this role, you will be responsible for developing and maintaining interactive dashboards and reports in Power BI, translating complex data from multiple sources into clear and actionable visualizations.As a Business Intelligence Developer, you will work...


  • Katowice, Czech Republic Travcorp Poland Full time

    2-3 years of experience in Power BI. Proficiency in DAX Query language and the ability to write DAX formulas and M Queries for data manipulation and transformation. Understanding of data modeling principles, including facts, dimensions, relationships, and modeling schemas. Basic SQL knowledge. Strong analytical skills with the ability to interpret complex...


  • Katowice, Czech Republic Travcorp Poland Full time

    Technical Skills: Advanced knowledge of Python for scripting, automation, and data manipulation. Proficiency in SQL, including writing complex queries and optimizing database performance. Experience with building and managing data pipelines, particularly using tools such as Airflow and DBT. Practical knowledge of Snowflake data warehousing. Familiarity...

  • Senior Data Engineer

    2 weeks ago


    Katowice, Silesia, Czech Republic Travcorp Poland Full time

    Job DescriptionWe are seeking a Senior Data Engineer to join our team at Travcorp Poland.About the Role:Salary Range: 120,000 - 180,000 PLN per annumJob Type: Full-timeYour Responsibilities Will Include:Develop and maintain ETL pipelines using tools like DBT and Airflow to transform data from various sources into structured datasets aligned with business...


  • Remote, Katowice, Czech Republic Sopra Steria Poland Full time

    Min. 5 years of full-time experience in software development with Java At least Bachelor’s Degree in relevant field Strong “can-do” attitude and very good communication skills Experience working in an Agile/Scrum development process Desire and ability to quickly learn new technologies and programming languages Ability to gather and define business...


  • Remote, Katowice, Czech Republic Sopra Steria Poland Full time

    Experience with C++ Experience with JavaScript Linux Docker English level: B2 Being open to occassional business trips and visits in our office in Katowice Nice to have requirements: Apache configuration SQL We are looking for Mid/Senior C++ Developers to join Sopra Steria Apps Services team for a client in the aerospace sector. The goal of the...


  • Katowice, Silesia, Czech Republic Vaillant Group Business Services Poland Sp. z o.o. Full time

    Job DescriptionWe are seeking a highly skilled Senior Java Engineer to join our R&D team at Vaillant Group Business Services Poland Sp. z o.o.About the RoleAs a key member of our team, you will be responsible for designing and implementing novel functions for Vaillant heating systems in the environment of our IoT solution.You will take an active part in the...


  • Katowice, Czech Republic Sopra Steria Poland Full time

    Must have requirements: Min. 2 years of full-time experience in software development with .NET At least Bachelor’s Degree in relevant field Strong “can-do” attitude and good communication skills Experience working in an Agile/Scrum development process Desire and ability to quickly learn new technologies and programming languages Team...


  • Katowice, Czech Republic Shiji Poland Full time

    Being fluent in Object-Oriented or Functional Programming paradigms Good knowledge of C#, .NET, and relational databases The capability of writing clean code along with tests Experience 3+ years in a similar role Good Knowledge of testing  The capability of writing clean code along with tests Being an open-minded, proactive person  Nice to have:...


  • Katowice, Czech Republic Sopra Steria Poland Full time

    Must have requirements: Min. 6 months of full-time experience in software development with .NET At least Bachelor’s Degree in relevant field Strong “can-do” attitude and good communication skills Experience working in an Agile/Scrum development process Desire and ability to quickly learn new technologies and programming languages Team...


  • Katowice, Czech Republic Sopra Steria Poland Full time

    Must have requirements: At least 6 months of experience in software development with JavaScript or TypeScript At least Bachelor’s Degree in relevant field Being able to start at short notice Desire and ability to quickly learn new technologies and programming languages Being up to date with current technology standards Team player Customer-focused...


  • Remote, Katowice, Czech Republic Sopra Steria Poland Full time

    Must have requirements: At least 2 years of experience in software development with JavaScript or TypeScript At least Bachelor’s Degree in relevant field Being able to start at short notice Desire and ability to quickly learn new technologies and programming languages Being up to date with current technology standards Team player Customer-focused...


  • Katowice, Silesia, Czech Republic Shiji Poland Full time

    About the RoleWe are looking for a skilled Senior Software Engineer to join our team at Shiji Poland. As a key member of our development team, you will be responsible for designing and developing software features based on business requirements.


  • Remote, Katowice, Czech Republic Shiji Poland Full time

    We are seeking a highly skilled Frontend Developer to join our team at Shiji Poland.About the JobThis is a great opportunity for experienced professionals looking to take their skills to the next level and be part of a dynamic team working on innovative projects.The successful candidate will have extensive experience with front-end technologies, including...


  • Remote, Katowice, Czech Republic Shiji Poland Full time

    Being fluent in Object-Oriented or Functional Programming paradigms Good knowledge of C#, .NET, and relational databases The capability of writing clean code along with tests Experience 3+ years in a similar role Good Knowledge of testing  The capability of writing clean code along with tests Being an open-minded, proactive person  Nice to have:...


  • Remote, Katowice, Czech Republic Shiji Poland Full time

    Are you passionate about building scalable and efficient software systems? Do you have experience with React ecosystem, Ember, and other cutting-edge technologies? We are looking for a skilled Frontend Developer to join our team at Shiji Poland and contribute to the development of our distributed system serving the hospitality industry.About Shiji PolandWe...


  • Remote, Katowice, Czech Republic Sopra Steria Poland Full time

    Must have requirements: At least 4 years of experience in software development with JavaScript or TypeScript Solid IT technical background Being able to start at short notice Desire and ability to quickly learn new technologies and programming languages Ability to gather and define business requirements Being up to date with current technology...