You are opening our English language website. You can keep reading or switch to other languages.

Backend Developer (Java)

  • Belgrade
  • Krakow
  • Lodz
  • Lublin
  • Remote.Poland
  • Warsaw
  • Wroclaw
Hot vacancySmall team (1-10 people)

If you received this vacancy from our recruiters — read our Privacy Notice.

Client

The client is a SaaS company that provides project and portfolio management solutions, primarily for teams using Atlassian tools like Jira. Its platform helps organizations plan, track, and optimize work through capabilities such as time tracking, resource management, roadmapping, and strategic portfolio planning. Trusted by tens of thousands of companies globally, the client focuses on improving team productivity, alignment, and delivery performance through integrated, data-driven workflows.

Join a great company, not merely an individual project

Project overview

A set of plugins for Jira enhances project management by enabling teams to track time, manage resources, plan capacity, and generate detailed reports directly within Jira—providing better visibility into workload, costs, and project performance

Position overview

We are looking for a Senior Software Developer to join a cloud product team. In this role, you will work closely with product managers, designers, developers, QA engineers, and other stakeholders to build and improve a large-scale cloud-based product used by enterprise customers.

The ideal candidate is someone who focuses not only on completing tasks but also on understanding user needs and delivering practical, high-quality solutions.

Responsibilities

  • Develop and maintain backend services using Java and related technologies.
  • Write clean, maintainable, and testable code.
  • Create unit tests and participate in integration or performance testing when needed.
  • Take part in code reviews.
  • Contribute to solving complex technical problems with attention to performance, security, and user experience.
  • Collaborate with cross-functional teams to design, implement, and support product features.

Requirements

  • 4+ years of experience in backend development of commercial web applications using Java.
  • Strong understanding of core computer science concepts (data structures, algorithms, complexity).
  • Experience designing and working with APIs.
  • Experience building or supporting distributed and scalable systems.
  • Hands-on experience with technologies such as Kubernetes, Kafka, Cassandra, or similar tools.
  • Good understanding of concurrency and multithreading in Java.
  • Upper-Intermediate English or higher.
  • Ability to work independently in a distributed team and communicate effectively in a multicultural environment.

Nice to have

  • Experience with Kotlin.
  • Experience with performance optimization.
  • Experience contributing to technical design and specifications.

Looking for Similar Opportunities?

Try AI chatbots with our ready-made prompt to discover similar roles that match your skills and interests.
Image

We offer

Image

Vacation

As per the laws of your country. We do ask you to take a proper rest

Image

Health insurance

We help you to take out an insurance policy for you and your loved ones

Image

Sick pay

10 days without a doctor's note, afterwards - as per the laws of your country

Image

Time off for state holidays

According to the official calendar, regardless of the client’s schedule

Image

Pleasant environment

Two large corporate parties and many small get-togethers for colleagues

Image

Comfort service

Solving technical and everyday problems at work

The benefits package may vary depending on the region and the type of contract
Most wanted
1 of 1

FAQ for Candidates

Work on global projects, grow your career in a supportive, flexible, and innovative tech environment. We help cover the cost of IT certifications and provide access to top-tier courses and learning platforms. View current openings and take the next step with us.

DataArt is a global software engineering company that helps businesses build powerful data, analytics, and AI solutions. We work with clients across a range of industries — including Finance, Healthcare & Life Sciences, Consumer Goods & Retail, Travel, Media & Entertainment, Mobility, and Manufacturing.

Learn more about what we do here.

DataArt supports flexible work formats to help you find the balance that works best for you. You can choose to work from the office, go hybrid, or stay fully remote—each option comes with equal opportunities for growth. We’ll help set you up with secure access and the equipment you need. With 46 remote and onsite official locations, you can join us from almost anywhere in the world.

Learn more about how we work here.

At DataArt, we put people first—fostering a culture built on trust, flexibility, and professional growth. We believe in open communication, mutual respect, and the freedom to choose how and where you work. Diversity, equity, and inclusion are core to our values, and we actively support a workplace where everyone can thrive. From mental health support to global sustainability efforts, we aim to create a healthy, empowering environment for all.

Read more about our culture and values.

There's no one-size-fits-all career path at DataArt—your growth is yours to shape. Whether you want to deepen your technical skills, move into management or sales, or even switch professions entirely, you'll have the support to do it. With exam fees fully covered, you can also earn professional certifications, like AWS, Azure, or Google Cloud. With tools like the Professional Development Map, the Talent Lab, and access to expert mentoring, we help you build your desired career.

Learn how we support both newcomers starting their careers and experienced professionals looking to grow further.

DataArt offers competitive compensation along with a range of thoughtful benefits that support your well-being, growth, and daily comfort. You’ll get flexible vacation and sick leave, mental health programs, and access to a corporate laptop or BYOD option. We also offer bonuses for referrals, parental leave, and smooth exit and return-to-work options.

Read more about how things work at DataArt.

At DataArt, we focus on creating an environment where people want to stay and grow. With 95% of employees recommending us to a friend on Glassdoor and a 100% CEO approval rating, we’re proud of the trust we’ve built. From mentoring programs and professional development services to support and conflict resolution programs, we invest in our colleagues' growth and wellbeing—because when people feel valued, they stick around.

Learn more about our company >here.

Our interview process is designed to be thorough, transparent, and supportive. It starts with a CV review, followed by an HR interview to discuss your background and goals. You'll then go through communication and technical assessments, where we evaluate your English skills and knowledge of relevant technologies. If all goes well, you’ll meet someone from the project team to learn more about the work, and we’ll guide you every step of the way—including helping you prep for any client interviews.

Read more and get tips for each stage here.

DataArt looks for candidates with strong technical skills, analytical thinking, and a commitment to continuous learning. We value experience in relevant technologies and industries, adaptability, and excellent communication skills. If you’re a junior or just starting out, don’t worry—our mentorship programs and training will support your growth from day one. The most important thing is your willingness to learn and develop professionally in our collaborative, people-first environment.

Read more about development in DataArt.

At DataArt, continuous learning is part of our culture. You’ll have access to expert mentors, leadership guidance, and thousands of courses from top platforms like Udemy and LinkedIn Learning. You can shape your own path—whether it’s growing within your role or switching to a new one.

Explore how we support your growth.