Senior Software Engineer

About this role

<h1><span style=&quot;font-size: 14pt; font-family: helvetica, arial, sans-serif;&quot;><strong>About Upsun (formerly Platform.sh)&nbsp;</strong></span></h1> <p><span style=&quot;font-size: 12pt;&quot;>Upsun is the cloud application platform humans and robots love. It is built for today’s hybrid teams, where AI agents write and test code and humans focus on solving the problems that really matter. Developers, DevOps engineers, and platform teams use Upsun to build, ship, and scale confidently without wrestling with backend infrastructure. We give you your time back. You get:</span></p> <ul> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Predictable performance, even at scale </span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Secure, compliant environments by default&nbsp;</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Real-time observability and profiling built in </span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Cloning, configuration, and provisioning in seconds&nbsp;</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>AI-ready features that plug directly into your stack </span></li> </ul> <p><span style=&quot;font-size: 12pt;&quot;>The name says it all. &quot;Up&quot; means uptime, reliability, and acceleration. &quot;Sun&quot; reflects our follow-the-sun-support, a 24x7, globally distributed support team keeping the lights on while you rest. Our core belief is that software should power brighter solutions and greater innovation. </span></p> <p><span style=&quot;font-size: 12pt;&quot;>Upsunners are a remote, global workforce, and we thrive in a multicultural team. We are committed to open source and an open, welcoming environment. Our team spans the globe and the experience spectrum. </span></p> <p><span style=&quot;font-size: 12pt;&quot;>What's our commonality, our cultural fabric? A curious spirit and a thirst for knowledge; an eagerness for innovative ideas and cultures. We believe we can build anything together in an environment that frees you to do your best work. </span></p> <p><span style=&quot;font-size: 12pt;&quot;>Our values:&nbsp;</span></p> <p><span style=&quot;font-size: 12pt;&quot;>🌿 We make a positive impact.</span></p> <p><span style=&quot;font-size: 12pt;&quot;>✨ We aim for the stars.</span></p> <p><span style=&quot;font-size: 12pt;&quot;>💚 We care for each other.&nbsp;</span></p> <h1><span style=&quot;font-size: 14pt; font-family: helvetica, arial, sans-serif;&quot;><strong>Impact of a Senior Software Engineer</strong></span></h1> <p><span style=&quot;font-size: 12pt;&quot;>As a Senior Software Engineer at Upsun, you are part of the core engineering team building and maintaining the low-level orchestration components that power our cloud platform. You directly impact the reliability, scalability, and efficiency of the environment for customers running complex applications. You balance day-to-day maintenance of our stable, pre-established systems with the strategic execution of modernizing our base orchestration layer from Python to Go. <br><br>Your work enables seamless cross-functional operations across our global infrastructure, solving highly complex challenges involving asynchronous networking, distributed coordination, and performance-critical systems.<br><br>This role reports to the Director, Software Engineering.</span></p> <h1><span style=&quot;font-size: 14pt; font-family: helvetica, arial, sans-serif;&quot;><strong>What to expect</strong></span></h1> <ul> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;><strong>Core Projects:</strong> Work on improving and maintaining our orchestration engine and git interface, ensuring they meet high standards of performance, reliability, and security.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;><strong>Daily Tasks:</strong> Work on product or internal features (like reducing dependencies or improving our internal telemetry), extending our testing suite, or releasing our components.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;><strong>Team Collaboration:</strong> Work closely with product, security, and infrastructure teams on container orchestration solutions that align with company goals and customer needs.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;><strong>Challenging Problems:</strong> Build backwards compatible solutions to complex problems while optimizing services to run efficiently and troubleshooting when deployments fail.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;><strong>Drive Innovation:</strong> Constantly seek opportunities to improve automation, testing, and deployment processes.</span></li> </ul> <h1><span style=&quot;font-size: 14pt; font-family: helvetica, arial, sans-serif;&quot;><strong>What you bring</strong></span></h1> <ul> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Strong <strong>software engineering </strong>background with proficiency in <strong>Python and Go.</strong>&nbsp;</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Comfort working on low-level systems.&nbsp;</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Proficiency in asynchronous programming and concurrency models in Python or similar languages.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Strong expertise in <strong>Linux</strong> systems and internals, including process management, networking, containers, and file systems.</span></li> <li style=&quot;font-size: 12pt;&quot;>Production experience with <strong>containerization</strong> technologies (Docker, OCI images, LXC etc.).</li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>In depth knowledge of <strong>Git protocol</strong> including how repositories work.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Comfort with debugging complex systems, including going through traces and logs.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Pragmatic problem-solving, employing practical solutions to overcome complex problems efficiently.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Hands-on experience with <strong>AI coding assistants</strong> and LLM APIs, including applying them to code review, documentation, and debugging.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Excellent communication skills, with the ability to engage in discussions, accept feedback, and share knowledge with diverse audiences.</span></li> </ul> <h3><span style=&quot;font-size: 14pt;&quot;><strong>Bonus Points</strong></span></h3> <ul> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Knowledge of <strong>orchestration</strong> platforms such as Kubernetes (K8s).&nbsp;</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Experience with <strong>GitLab CI/CD</strong> pipelines.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Experience working in <strong>PaaS</strong> or cloud-based environments.</span></li> <li style=&quot;font-size: 12pt;&quot;><span style=&quot;font-size: 12pt;&quot;>Experience with&nbsp;<strong>high availability architectures</strong> and fault tolerance.</span></li> </ul> <h1><span style=&quot;font-size: 14pt; font-family: helvetica, arial, sans-serif;&quot;><strong>Where we hire</strong></span></h1> <p><span style=&quot;font-family: helvetica,