Role Description As an Infrastructure Software Engineer, your role will be crucial in shaping and constructing the robust systems that not only support our current flagship products but also lay the groundwork for the next wave of engineering innovations. From optimizing user experiences across various projects to ensuring seamless scalability and data integrity, you'll be at the forefront of shaping the technological backbone of our platform. Collaborating closely with cross-functional teams, you'll leverage your expertise to tackle audacious challenges and push the boundaries of what's possible. Your contributions will directly impact millions of users, as every line of code you write furthers our mission to revolutionize the way people work and collaborate. Join us in redefining the future, where your passion for building scalable, reliable systems will drive meaningful change on a global scale. Our Engineering Career Framework is viewable by anyone outside the company and describes what’s expected for our engineers at each of our career levels. Check out our blog post on this topic and more here. Responsibilities • Build infrastructure capable of managing metadata for hundreds of billions of files, handling hundreds of petabytes of user data, and facilitating millions of concurrent connections. • Assist in expanding Dropbox's role as the data-fabric, linking hundreds of millions of applications, devices, and services worldwide, while spearheading efforts to improve interoperability and adaptability across various ecosystems. • Measure and optimize Dropbox's analytics platform to maintain its status as one of the most advanced in the industry for extracting meaningful insights from vast data volumes. • Collaborate with cross-functional teams to innovate and implement solutions that enhance the performance, reliability, and security of Dropbox's infrastructure, ensuring a seamless experience for users worldwide. On-call work may be necessary occasionally to help address bugs, outages, or other operational issues, with the goal of maintaining a stable and high-quality experience for our customers. Requirements • BS, MS, or PhD in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent technical experience • 2+ years of professional software development experience • Demonstrated experience in building and managing large-scale, multi-threaded, and geographically distributed backend systems • Proficient in programming and debugging across a range of languages such as Python, Go, C/C++, or Java • Experience working with operating system internals, filesystems, databases, networks, and compilers • Ability to independently execute tasks at hand Preferred Qualifications • Familiarity with Semaphores and Mutexes  Durable Skills AI fluency means using these tools to amplify human judgment, not replace it. We believe people with these skills will thrive as work and technology continue to evolve: • Awareness: Understand yourself and others. • Judgment: Evaluate information and make decisions in complex situations. • Adaptability: Learn, adjust, and stay effective through change. • Connection: Communicate, collaborate, and build trust. To learn more about why these skills matter and what the data shows about thriving through change, read this blog post from our Chief People Officer, Melanie Rosenwasser. Compensation Poland Pay Range 212 500 zł—287 500 zł PLN