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Mid/Senior Java Developer (IF)

Company Description

Our mission as a company providing IT services is to provide our clients all over the world with the best solutions. We manage to do this by analyzing the needs of our clients and matching them to the skills and aspirations of our employees. Therefore, one of our main motivations is to provide each Employee and Consultant with a satisfying experience. Joining us means being part of a community with diverse personalities. Start your adventure with ALTER SOLUTIONS!

Job Description

  • Development and maintenance of systems supporting customer evaluation and automation of business decision-making.
  • Designing and implementing innovative Fintech solutions used in international markets.
  • Collaboration with risk analysis teams, business representatives, and other tech teams.
  • Working with a complex system based on a monolith and microservices – developing new components and migrating to a microservice architecture.
  • Delivering tasks within the Scrum framework: sprint planning, reviews, retrospectives, and continuous improvement of processes and solution quality.

Qualifications

  • Seniority level: Senior Java Developer
  • Min 7 years of experience
  • Java 8/21 expertise
  • Experience with large Spring + Hibernate + Maven applications
  • Basic knowledge of micro-services
  • Good knowledge of SQL databases
  • Experience with building APIs
  • Experience in GIT, Maven environment
  • Pro-active attitude with willingness to learn new things
  • Experience with or good knowledge of Apache Kafka.
  • English min. B2

Nice to have

  • Spock framework
  • Docker, Kubernetes, AWS

Additional Information

  • Work model: Hybrid from Warsaw;
  • Type of contract: B2B;
  • Rate: up to 140 PLN/h net + vat
  • Start: ASAP;
  • Project: Longterm;

We offer

  • Access to local and international projects - Clients from France, Germany, Portugal, UK, and Benelux.
  • Professional development support - trainings, technical certificates, conference participation, foreign language classes, and soft skills trainings are subsidized for up to 2 000 PLN.
  • Bonus for recommending Candidates starting from 6 000 up to 10000 PLN.
  • Fully paid Medicover healthcare card.
  • Psychological support program WellBee.
  • Multisport card.
  • Regular integration events and gifts.
  • Long-term cooperation.
  • Relocation Program.

If You applied for this position the Controller of your personal will be  ALTER SOLUTIONS POLSKA Sp. z o.o., with its registered office at Przyokopowa 31, 01-208 Warsaw. The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You will have the right too choose one or both options on next page.

You have the right to access the content of your data, request their rectification, erasure, restriction of processing, the right to data portability, the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office.

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Average salary estimate

$57600 / YEARLY (est.)
min
max
$33600K
$81600K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Mid/Senior Java Developer (IF), Alter Solutions

Are you ready to step up your game as a Mid/Senior Java Developer with ALTER SOLUTIONS in the vibrant city of Warsaw, Poland? Join us in our mission to deliver top-notch IT services across the globe! As a key player on our team, you will be responsible for the development and maintenance of systems that support customer evaluations and automate vital business decision-making processes. You will have the chance to design and implement cutting-edge Fintech solutions that are utilized in various international markets. Collaboration is at the heart of what we do, so you will work closely with risk analysis teams, business representatives, and fellow tech teams. Whether you're excelling in a monolithic architecture or transitioning to microservices, the challenges you take on will be significant and rewarding. Embrace the Scrum framework as you deliver tasks through sprint planning, reviews, retrospectives, and continuous improvement processes. At ALTER SOLUTIONS, we value your expertise and are committed to providing an enriching experience where you can grow and thrive with professional development support. If you’re passionate about Java, eager to learn, and ready for the next step in your career, we would love to hear from you!

Frequently Asked Questions (FAQs) for Mid/Senior Java Developer (IF) Role at Alter Solutions
What responsibilities does a Mid/Senior Java Developer at ALTER SOLUTIONS have?

As a Mid/Senior Java Developer at ALTER SOLUTIONS, your responsibilities will include developing and maintaining systems for customer evaluations and business automation. You will collaborate across teams, design Fintech solutions for international markets, and work on transitioning from monolithic architectures to a microservice setup, all within the Scrum framework.

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What qualifications are required for the Mid/Senior Java Developer position at ALTER SOLUTIONS?

For the Mid/Senior Java Developer role at ALTER SOLUTIONS, you should possess at least 7 years of experience working with Java, specifically versions 8 or 21, and have expertise in large applications using Spring, Hibernate, and Maven. Additionally, a solid understanding of SQL databases, APIs, and GIT is essential, along with a proactive attitude and a willingness to learn.

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What can I expect from the work environment as a Mid/Senior Java Developer at ALTER SOLUTIONS?

Working as a Mid/Senior Java Developer at ALTER SOLUTIONS means enjoying a hybrid work model from Warsaw. You will be part of a diverse community that values collaboration, creativity, and support for professional development, including access to various local and international projects and a chance to grow your skills.

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What are the additional benefits offered to Mid/Senior Java Developers at ALTER SOLUTIONS?

ALTER SOLUTIONS offers a range of additional benefits for Mid/Senior Java Developers, including a fully paid Medicover healthcare card, a psychological support program, a multisport card, regular integration events, and opportunities for further education and training, enhancing your overall work-life balance.

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What is the start date for the Mid/Senior Java Developer position at ALTER SOLUTIONS?

The start date for the Mid/Senior Java Developer position at ALTER SOLUTIONS is ASAP, allowing you to jump right into exciting projects and make an impact from day one.

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Common Interview Questions for Mid/Senior Java Developer (IF)
Can you explain your experience with Spring and Hibernate in previous projects?

Ensure you describe specific projects where you utilized Spring and Hibernate, discussing the architecture, challenges faced, and how these frameworks contributed to the success of the project, demonstrating your technical expertise.

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How do you approach building APIs in your projects?

Discuss the API development process you follow, including designing, testing, and ensuring scalability. Mention any tools you’ve used for version control and testing, showing your systematic approach to API development.

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What strategies do you use for debugging Java applications?

Highlight your debugging techniques, such as using logging frameworks, debuggers, and unit tests. Mention how you prioritize fixing bugs based on severity and user impact to show your analytical skills.

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Can you give an example of a complex problem you solved and the impact it had?

Choose a relevant project and detail the problem, your solution approach, and the positive outcomes that resulted, emphasizing your problem-solving skills and technical prowess.

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How do you stay current with the latest Java trends and technologies?

Talk about the resources you use, such as blogs, forums, or courses, and any community involvement you have. This shows your commitment to continual learning and growth in the field.

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Describe your experience working in a Scrum environment.

Share specific examples of your role in Scrum processes, such as sprint planning and retrospectives, and how you’ve contributed to team dynamics and project success.

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What role does testing play in your development process?

Explain your testing philosophy, mentioning unit tests, integration tests, and user acceptance tests, alongside any tools or frameworks you prefer to use, highlighting your commitment to quality.

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How do you manage conflicting priorities in a fast-paced environment?

Discuss your time management techniques, such as prioritization frameworks or tools, and real-world examples that demonstrate your ability to deliver under pressure while maintaining quality.

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Have you had any experience with containerization technologies like Docker or Kubernetes?

If applicable, describe any projects where you’ve implemented Docker or Kubernetes, outlining the benefits it brought to the projects and your role in the process.

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What do you see as the future of Java and its technologies?

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The Alter Solutions Group is an IT Consultancy group, promoter of Digital Transformation, created in 2006, in Paris. In 2022, Alter Solutions joined the act digital group, constituting a global community of talent in Technology, with presence in...

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DATE POSTED
April 15, 2025

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