Senior Scala Developer

<div class="content-intro"><p><strong>BidMachine Exchange</strong> – a fast-growing global programmatic exchange built for the future of in-app advertising.</p> <p>BidMachine operates with a strong US foundation and an international presence, with teams across Warsaw, Barcelona, Parkland (FL), and remote experts around the world.</p> <p>We combine deep AdTech expertise, proprietary technology, and a data-driven mindset to deliver transparency, performance, and efficiency in the mobile advertising ecosystem.<strong><br><br>Why BidMachine?<br></strong>At BidMachine, we are building more than an exchange — we are shaping the infrastructure that powers fair, efficient, and scalable in-app programmatic advertising.<br>Our mission is to create a high-performance marketplace where publishers maximize value and advertisers access premium inventory with full transparency and control.<br>We are proud of our technology, our ambitious vision, and our globally distributed team of talented professionals who continuously raise the bar in AdTech.</p> <p><strong>Here’s what we value, and what we hope you do too:</strong></p> <p><strong>Ownership &amp; Accountability</strong><strong><br></strong>We move fast, take responsibility, and think like builders. Every team member has a direct impact on product growth and market success.</p> <p><strong>Data-Informed Excellence</strong><strong><br></strong>We leverage data to make smarter decisions, optimize performance, and build scalable solutions that deliver measurable results.</p> <p><strong>Innovation &amp; Technical Depth</strong><strong><br></strong>We solve complex programmatic challenges with cutting-edge technology and a deep understanding of the ecosystem.</p> <p><strong>Global Collaboration</strong><strong><br></strong>We work across cultures, time zones, and disciplines — united by shared goals and high standards.</p> <p><strong>Ambition &amp; Impact</strong><strong><br></strong>We are here to build something significant — a best-in-class exchange that competes with the strongest players in the market.</p></div><p>The team is looking for a <strong>Senior Scala Developer.</strong></p> <h2>What You’ll Do:</h2> <ul> <li>Design, implement, and maintain highly scalable backend services written in Scala.</li> <li>Collaborate closely with engineers, data scientists, and product managers to define requirements and deliver impactful features.</li> <li>Contribute to system architecture, performance optimization, and fault tolerance improvements.</li> <li>Review code, share best practices, and help raise the technical bar for the team.</li> <li>Participate in planning and take a proactive role in shaping the technical roadmap.</li> </ul> <h2>What We’re Looking For:</h2> <ul> <li>Solid hands-on experience with Scala, ideally with functional / type-level programming (cats-effect, fs2).</li> <li>Proficiency with SQL databases, especially PostgreSQL.</li> <li>Understanding of distributed systems, data flow, and high-performance architectures.</li> <li>Curiosity, willingness to learn, and openness to feedback — we value engineers who grow together with the team.</li> </ul> <h2>Nice to Have:</h2> <ul> <li>Experience with container technologies such as Docker or Kubernetes.</li> <li>Familiarity with Kafka or other messaging systems.</li> <li>Interest in exploring other languages or stacks (Python, TypeScript, UI/UX tools).</li> </ul><div class="content-conclusion"><p>With a powerful product, strong market positioning, and a team that strives for excellence, BidMachine offers a unique opportunity to grow, innovate, and make a tangible impact in the programmatic advertising space.</p> <p><strong>Build the future of mobile AdTech with us!</strong></p></div>