Senior Software Engineer, Backend

COMPANY OVERVIEW LucidLink is the file streaming platform for large-file workflows. We give teams and tools instant access to data in the cloud, so work starts right away, anywhere. No downloads, no syncing, no VPNs. What began as a faster way to open huge media files is now a platform spanning streaming from existing storage, on-site acceleration, web and mobile access, and a developer layer that connects agents to the filespace, all with zero-knowledge security and enterprise governance built in. More than 4,000 companies — including Adobe, Spotify, Warner Bros, and Paramount — and 100,000 users in over 150 countries stream more than 100 petabytes with LucidLink, and the Television Academy has recognized us with an Engineering, Science & Technology Emmy Award. Founded in 2016 by storage industry veterans, we are headquartered in San Francisco with an engineering office in Sofia, Bulgaria, and remote employees across North America, Europe and Australia. REASONS TO JOIN LUCIDLINK: - Tackle big challenges: You’ll have the chance to solve complex, high-stakes problems that redefine how teams collaborate globally. By starting with the Media & Entertainment industry and expanding into data-intensive sectors, you’ll gain deep insight into cutting-edge technologies and play a role in shaping the future of global workflows. - Values-led culture: Our values don’t just exist on paper—they guide every decision and interaction. You’ll thrive in an environment where integrity, innovation, and empathy are at the core of how we operate, empowering you to grow personally and professionally. - Hypergrowth journey: Joining a company with rapid growth means unparalleled opportunities for advancement, learning, and being part of an exciting journey toward unicorn status. You’ll experience the adrenaline of startup speed combined with the satisfaction of building something truly impactful. - Immediate impact: At LucidLink, your work will matter—immediately. You’ll be part of a tight-knit team of 230+ builders working at startup speed, where your ideas and actions will create tangible, exponential results that contribute to our collective success. - Comprehensive benefits: We believe in investing in our people. With flexible PTO, a competitive salary, stock options, and full health coverage, you’ll feel supported both professionally and personally while enjoying a strong work-life balance. The job You will be part of our core engineering team of world-class software engineers, building a product with no equivalent. You’ll have the opportunity to learn and advance professionally by working with various technologies, spanning from low-level system programming for all major platforms, through distributed and cloud computing, to web development. You must have a solid fundamental knowledge of software development. You must also have experience in software engineering best practices like agile development, automated testing, code reviews, continuous integration/continuous delivery, and test-driven development. You’ll thrive here if you’re someone who loves efficient code, values collaboration, and enjoys bringing complex ideas to life through great software design. Key responsibilities: - Design and develop highly scalable and resilient web applications using TypeScript (Node.js and/or React). - Collaborate with cross-functional teams to deliver seamless and performant features. - Challenge technical decisions and contribute to building a better, smarter product. - Enhance and maintain our automation and CI/CD pipelines to ensure top-notch product quality. - Troubleshoot and analyze complex usage scenarios and performance issues. Job requirements: - 5–8 years of professional experience in software development. - Strong knowledge of TypeScript, JavaScript, and other frameworks (e.g., React, Node.js, or similar). - Solid understanding of web application architecture, RESTful APIs, and microservices. - Experience with automated testing, code reviews, and…