Sr Backend Engineer

This organization is the world’s first fitness company, on a mission to fuel human potential through optimal sleep. It builds the most advanced hardware, software, and AI technology to transform every night into a personalized, data‑driven recovery experience that powers peak mental, physical, and emotional performance. Its products are trusted by high performers, professional athletes, and health‑conscious consumers across more than 30 countries. Recognized as one of Fast Company’s Most Innovative Companies in 2019, 2022, and 2023, and twice named to TIME’s “Best Inventions of the Year,” the company operates like a high‑performance team: fast, focused, and motivated by impact. The culture emphasizes continuous iteration, refinement, and an obsessive attention to detail that helps members sleep better and wake up stronger. Every role offers the opportunity to create cutting‑edge technology alongside world‑class talent, shaping a future where sleep is not passive but a powerful tool for living better. The environment is built for those who are tired of the ordinary and driven to build at the edge of what’s possible. High Standards. No Apologies. The team operates with intensity because the mission demands it. Team members bring the mindset of the world’s top performers: focused, relentless, and always pushing to be in the top 1% of their craft. This is not a 9‑to‑5 culture. The team is deeply committed—often putting in 60+ hours a week not because they are told to, but because they are invested in the outcome. They build fast, push limits, and deliver without compromise. Those who thrive under pressure and want to do the most meaningful work of their careers will feel at home; those looking for an easier path will not. The Role The organization is seeking an experienced Senior Software Engineer to help expand product features and the capability to scale. The engineering environment includes distributed back‑end systems responsible for critical business logic as well as bridging communications and data flows between embedded systems, machine learning, mobile applications, and business intelligence platforms. The ideal candidate is passionate about designing, implementing, and supporting distributed systems and appreciates the impact they have on all aspects of the member experience. The organization looks for people who dig under the hood and understand what the technology is doing, so wise decisions can be made about how technology should solve and evolve. What You’ll Help Build Maintain and improve the integrity of a large‑scale data processing pipeline (5TB per day). Develop tools to guarantee the availability of services across approximately 30 microservices and automate their operation. Contribute to the development of back‑end services and new product features. What You’ll Need to Succeed Experience: 8+ years of software engineering experience, with 5+ years focused on backend engineering. Language Expertise: A polyglot background with advanced experience in at least two of the following: Java (Scala or Kotlin), C# or F# (.NET Core), Python, Node.js with TypeScript. Systems Knowledge: Proven experience with distributed systems. Cloud: Deep understanding of cloud services and infrastructure. Why Join Innovation in a Culture of Excellence Innovation is not just encouraged—it is a standard. The company’s flagship product, a temperature‑regulated sleep system, is beloved by hundreds of thousands of customers worldwide. Team members continuously push the boundaries of technology in sleep fitness, working in an environment where excellence is the baseline. Immediate Responsibility and Accelerated Career Growth From the first day, substantial responsibilities await—each with a direct impact on core business and product success. As part of a small, empowered team, individuals own their projects and see the tangible effects of their efforts, enhancing both professional growth and the company’s trajectory. The path is challenging but rewarding, ideal for those who thrive in fast‑paced, high‑standard environments. Collaboration with Exceptional Talent The organization brings together some of the brightest minds in the industry. Team members are not only experts in their fields but also avid innovators who thrive in a dynamic, fast‑paced atmosphere. Equitable Compensation and Continuous Equity Investment Every full‑time team member receives equity participation, recognizing and rewarding direct contributions to success. Periodic equity refreshments based on performance ensure that as the company grows, so does the individual’s opportunity—perfectly aligning achievements with the broader triumphs of the business. Additional Benefits Employees receive the company’s flagship product for their own use, along with a comprehensive benefits package that includes: Full access to health, vision, and dental insurance for employees and their dependents Supplemental life insurance Flexible paid time off Commuter benefits Pa...