BidMachine is hiring a Senior Scala Developer

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