Software Engineer - Runtime Platform, Robot Software

About us Founded in 2017, Lumen Dynamics is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to create autonomy that propels the world forward. Our intelligent, mapless, and hardware-agnostic AI products are designed for automakers, accelerating the transition from assisted to automated driving. In our fast-paced environment big problems ignite us—we embrace uncertainty, leaning into complex challenges to unlock groundbreaking solutions. We aim high and stay humble in our pursuit of excellence, constantly learning and evolving as we pave the way for a smarter, safer future. At Lumen Dynamics, your contributions matter. We value diversity, embrace new perspectives, and foster an inclusive work environment; we back each other to deliver impact. Make Lumen Dynamics the experience that defines your career! The role The Robot Software team is responsible for the software that runs on our internal fleet of vehicles to enable autonomous driving and collect data for training new driving models. You will join a motivated and talented team of engineers to deliver a reliable, stable and flexible software stack to support on-road experimentation by our model developers and scientists. Your work will enable these teams to iterate quickly and gather the data they need to improve our autonomous driving capabilities and support new product features, which is critical to the success of Lumen Dynamics’s mission. The Runtime Platform team equips all Lumen Dynamics teams with the observability, profiling tools, and infrastructure needed to understand and optimise software performance across our development fleet. We work closely with teams to investigate issues, reduce bottlenecks, and promote best practices. Our work enhances core onboard components to ensure efficient use of compute and a solid foundation for running model experiments at scale. We also provide the tooling and infrastructure needed to quickly detect, diagnose, and address performance regressions, helping teams move faster with greater confidence. Key responsibilities: Investigate latency and performance bottlenecks across the entire software stack Instrument code with profiling tools and metrics to collect performance data and identify optimization opportunities Integrate and evaluate new profiling and instrumentation tools to benchmark system performance and establish baselines Collaborate with multiple teams to understand their performance pain points and prioritize optimization efforts based on impact Optimize critical code paths and algorithms to improve runtime efficiency, reduce latency, and enhance overall system performance About you In order to set you up for success as a Software Engineer at Lumen Dynamics, we’re looking for the following skills and experience. Essential Software Development Skills: Proficiency developing high-performance embedded Linux systems software in C++. Demonstrated ability to manage the complete software development lifecycle from ideation through delivery & optimization Proficiency with performance profiling tools and techniques for identifying and resolving system bottlenecks Proven track record of methodical experiment evaluation Strong technical background on OS scheduling, computer architecture (memory hierarchy, CPU caches, context switches, …), and thread synchronisation Desirable Familiarity with Nvidia performance tools such as NV NSight, NV Lumos and tegrastat Familiarity with observability tools such as Grafana (logs, metrics, traces), Databricks, Datadog Familiarity with QNX and Momentics is a plus This role is a full-time role based in Sunnyvale, CA (hybrid) and the reasonably estimated salary for this role ranges from $176,500 to $266,800, plus a competitive equity package. Actual compensation is based on the candidate's skills, qualifications, and experience. Lumen Dynamics is committed to creating an inclusive interview experience. If you require any accommodations or adjustments to participate fully in our interview process, please let us know. We understand that everyone has a unique set of skills and experiences and that not everyone will meet all of the requirements listed above. If you’re passionate about self-driving cars and think you have what it takes to make a positive impact on the world, we encourage you to apply. At Lumen Dynamics we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, sexual orientation, gender identity, veteran status, pregnancy or related condition (including breastfeeding) or any other basis as protected by applicable law. For more information visit Careers at Lumen Dynamics. To learn more about what drives us, visit Values at Lumen Dynamics For US candidates only, please visit E-Verify Notice and Participation and Right to Work DISCLAIMER: We will not ask about marriage or pregnancy, care responsibilities or disabilities in any of our job adverts or interviews. However, we do look to capture information about care responsibilities, and disabilities among other diversity information as part of an optional DEI Monitoring form to help us identify areas of improvement in our hiring process and ensure that the process is inclusive and non-discriminatory.