Back End Developer

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  "last_changed_at": "2026-05-30T06:03:54.698Z",
  "active_status": "active"
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{
  "language": "en",
  "location": {
    "raw": "Kraków / hybrid, Malopolskie, 30-004, Poland",
    "city": "Kraków /",
    "region": "Malopolskie",
    "country": null,
    "is_remote": true,
    "confidence": 0.8
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  "salary_min": null,
  "inferred_at": "2026-06-06T10:34:58.766Z",
  "launch_scope": {
    "reason": "bamboohr_production_catalog",
    "included": true,
    "location": {
      "raw": "Kraków / hybrid, Malopolskie, 30-004, Poland",
      "city": "Kraków /",
      "region": "Malopolskie",
      "country": null,
      "is_remote": true,
      "confidence": 0.8
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  "remote_policy": "hybrid",
  "salary_period": null,
  "workplace_type": "remote",
  "salary_currency": null
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{}

{
  "list_job": {
    "id": "50",
    "isRemote": null,
    "location": {
      "city": "Kraków / hybrid",
      "state": "Malopolskie"
    },
    "atsLocation": {
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      "state": null,
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    "departmentId": "18528",
    "locationType": "0",
    "jobOpeningName": "Back End Developer",
    "departmentLabel": "RGS Platform",
    "employmentStatusLabel": "Full-Time"
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  "detail_job_opening": {
    "location": {
      "city": "Kraków / hybrid",
      "state": "Malopolskie",
      "postalCode": "30-004",
      "addressCountry": "Poland"
    },
    "datePosted": "2023-01-13",
    "atsLocation": {
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    "description": "<p><span>Welcome to Kalamba Games!</span></p>\r\n<p><br></p>\r\n<p><span>Join us as a <span style=\"font-weight: bold;\">Back End Developer</span> and work closely with our team of front-end and back-end developers, game artists, math designers, testers and product managers.</span></p>\r\n<p><br></p>\r\n<p><span>We aim for our stack to be the best-performing in the industry across the key pillars of <span style=\"font-weight: bold;\">Game Development, Remote Games Server Platform, QA <span style=\"font-weight: bold;\">and</span> Art</span>.</span></p>\r\n<p><span style=\"color: #222222; font-size: 15px; font-family: Arial;\"> </span></p>\r\n<p><span style=\"color: #222222; font-size: 15px; font-family: Arial;\">We are searching for </span>a <span style=\"font-weight: bold;\">Back End Developer</span> to join our team. If \"problem solver\" is your second name then we are waiting for your application!<br></p>\r\n<p><br></p>\r\n<p><span style=\"font-weight: bold;\">What you could expect?</span></p>\r\n<p><br></p>\r\n<ul>\r\n<li>Working with Kubernetes, Docker, AWS, GCP, Cloud, ArgoCD on daily basis</li>\r\n<li>Java17</li>\r\n<li>Kafka, gRPC</li>\r\n<li>Redis, PostgreSQL, MongoDB, MySQL</li>\r\n</ul>\r\n<p><br></p>\r\n<p><span style=\"font-weight: bold;\">Back End stack: </span><span>MySQL, Java, Docker, Redis, PostgreSQL, MongoDB, Kafka, Cassandra, Kubernetes, Cloud</span></p>\r\n<p><br></p>\r\n<p>What will you do as a<span> </span><span style=\"font-weight: bold;\">Back End Developer </span> in Kalamba Games and what it takes to become one?<br></p>\r\n<p><br></p>\r\n<p><span style=\"font-weight: bold;\">Daily responsibilities</span></p>\r\n<ul>\r\n<li>Architecting our Remote Games Server framework, in conjunction with our Lead Server Architect</li>\r\n<li>Designing the server side of our industry-leading promotional tools</li>\r\n<li>Integration with cloud services</li>\r\n<li>Development of new game servers with a fast-paced and eager new team</li>\r\n<li>Working with distribution partners to integrate our games and expand the company</li>\r\n</ul>\r\n<p><br></p>\r\n<p><span style=\"font-weight: bold;\">Qualifications</span></p>\r\n<ul>\r\n<li>Java with min 3 years experience.</li>\r\n<li>Backend web development experience.</li>\r\n<li>Integration experience.</li>\r\n<li>Computer Science fundamentals in data structures, algorithm design, and problem solving.<br><br></li>\r\n</ul>\r\n<p><span style=\"font-weight: bold;\">As a Kalambian working out of our Krakow Studio you will get the following benefits:</span></p>\r\n<ul>\r\n<li>Contract of Employment or B2B</li>\r\n<li>Employee Stock Options</li>\r\n<li>26 days of vacation regardless of the seniority</li>\r\n<li>For each year at Kalamba Games you will get 1 additional paid time off to your vacation pool</li>\r\n<li>Private healthcare</li>\r\n<li>Subsidized Sport Card / MultiSport</li>\r\n<li>Flexible working hours and remote work options</li>\r\n<li>Game room and fully equipped kitchen with snacks and more ;)</li>\r\n<li>Hybrid work</li>\r\n</ul>\r\n<p><br></p>\r\n<p>At Kalamba, we know that small things can make a big difference. We want to make sure that every Kalambian has a sense of wellbeing and feels supported so that both work time and leisure time is all quality time.</p>\r\n<p><br></p>\r\n<p>We aim to be the greatest in what we build and what we do - every day. Whether we’re being agile by meeting changing needs with our games, disruptive by developing some of the industry’s first AI tools or having fun enjoying a partner event, we always want it to be the best that it can be, and for you to always have the opportunity to shine.</p>\r\n<p><br></p>\r\n<p>Kalambians thrive in a work culture that includes accountability, a commitment to career development, flexibility and – perhaps most importantly - time to have fun.<br></p>\r\n<p><br></p>\r\n<p>If that sounds like you, then let’s get the ball rolling for you to come and help us build the future of gaming!</p>",
    "compensation": "10000 - 16000 PLN gross / month depending on experience",
    "departmentId": "18528",
    "locationType": "0",
    "seekPromoted": false,
    "jobCategoryId": null,
    "jobOpeningName": "Back End Developer",
    "departmentLabel": "RGS Platform",
    "jobOpeningStatus": "Open",
    "minimumExperience": "Mid-level",
    "jobOpeningShareUrl": "https://kalambagames.bamboohr.com/careers/50",
    "employmentStatusLabel": "Full-Time"
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}