--- title: 'Senior Software Engineer, Backend at LucidLink' canonical: 'https://feeny.ai/job/senior-software-engineer-backend-lucidlink-sofia-0x7scvr7981t' type: 'job' last_seen: '2026-09-06' --- # Senior Software Engineer, Backend at LucidLink - **Company:** LucidLink - **Location:** Sofia, Bulgaria - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-06-18 - **Last confirmed live:** 2026-09-06 - **Apply:** https://jobs.ashbyhq.com/lucidlink/3afbf4ac-7c55-4b9f-9e23-cfe83dc69eb7/application **Skills:** TypeScript, JavaScript, Node.js, React, RESTful APIs, Microservices, Web application architecture, Automated testing, Code reviews, Continuous integration, Continuous delivery, Agile development, Test-driven development, AWS, GCP, Azure, Distributed systems > LucidLink is seeking a Senior Backend Engineer to build scalable web applications using TypeScript and Node.js. The role involves designing resilient systems, collaborating with cross-functional teams, and enhancing CI/CD pipelines within a remote-first engineering team. ## Job description ## 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 continuous integration/delivery. - Familiarity with cloud platforms (AWS, GCP, or Azure) and distributed systems is a strong plus. - Fluency in English, both written and spoken. Interview process: Here’s what you can expect when you apply: 1. Initial interview – a chat with our People & Culture team to get to know you and your background. 2. Technical interview – a conversation with some of our engineers to dive into your skills and experience. 3. Take-home task – an assignment to work on in your own time, showcasing your problem-solving approach. 4. Task review – a follow-up interview where you’ll walk us through your solution and thought process. 5. Final interview – a discussion with our VP of Engineering, Engineering Manager, or both, to make sure we’re the right fit for each other. At LucidLink, AI fluency is a core professional competency. As part of our interview process, we'll explore how you currently use AI tools in your work and how you think about using them responsibly. ## About LucidLink ## Company Overview - **One-liner**: LucidLink provides a cloud-native file streaming platform that enables teams to access, edit, and collaborate on massive files in real time without downloading or syncing. - **Entity Type**: Private (Series C) - **Headquarters**: San Francisco, California, United States - **Founded**: 2016 - **Founders**: Peter Thompson and George Dochev ## Core Business - **Primary industry/industries**: Cloud Storage, Collaboration Software, Media & Entertainment, Architecture/Engineering/Construction (AEC) - **Target customers**: B2B, primarily serving creative and technical teams in media & entertainment (film, video, animation), architecture/engineering/construction (AEC), and marketing/advertising. Customers include enterprises like Warner Bros., Discovery, Spotify, Paramount, and Adobe. - **Mission or purpose statement**: To make data instantly and securely accessible from anywhere, redefining real-time collaboration for remote, hybrid, and multi-office teams around the world. ## Products & Services - **LucidLink Filespaces**: A cloud-native file streaming platform that mounts as a local drive. Users can instantly access, stream, and edit files of any size directly from the cloud without downloading, syncing, or using a VPN. It provides a single source of truth with real-time collaboration, zero-knowledge encryption, and enterprise-grade access controls (SSO, SCIM, folder/link permissions). It is SOC 2 Type II, GDPR, and MPAA TPN Blue compliant. - **LucidLink Enterprise**: A version of the platform that combines fast, secure collaboration with egress-free AWS storage, designed for scaling teams. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed. - **Key Metric**: Total Funding of **$114.6M** across 5 rounds. Annual Revenue estimated at **$5.7M**. - **Notable Investors/Partners**: Brighton Park Capital (led Series C), Headline (led Series A & B), Baseline Ventures (led Seed), S28 Capital (led Seed). Key partners include AWS. - **Growth Signals**: Headcount of 203 employees (+11.2% YoY). Received a Technology & Engineering Emmy® Award. Used by teams behind Oscar and Emmy-winning productions (e.g., *The Bear*, *Atlanta*). Operates in 10 countries with a tech hub in Sofia, Bulgaria. ## Competitive Advantages - **Unique File Streaming Technology**: Unlike sync-and-share tools (Dropbox, Google Drive) or VPNs, LucidLink streams only the data blocks needed, providing instant access to massive files without local downloads or quality loss. - **Zero-Knowledge Encryption**: Ensures only authorized users can access data, providing a strong security moat for enterprise clients. - **Seamless Integration**: Works with existing tools (Adobe Creative Cloud, AutoCAD, Revit, Figma, Final Cut Pro) and feels like a local drive, requiring no change in workflow. - **Enterprise Compliance**: SOC 2 Type II, GDPR, and MPAA TPN Blue certified, making it suitable for highly regulated industries like media and entertainment. ## Strategic Focus - **Current priorities**: Expanding its enterprise customer base, deepening integrations with creative and engineering tools, and scaling its global workforce. The company is focused on replacing legacy infrastructure (servers, VPNs, sync tools) for distributed teams. - **Direction for growth**: Continued investment in product development (e.g., AI features, mobile team), expanding into new verticals (sports production, marketing), and growing its presence in EMEA and APAC. ## Why Work Here - **Culture highlights**: Described as a team of "creatives and technologists" driven by a shared obsession with streamlining collaboration. Values include redefining real-time collaboration and enabling work from anywhere. - **Remote/hybrid/office policy**: Hybrid and remote-first workforce. Headquarters in San Francisco, with a major tech hub in Sofia, Bulgaria. Teams span North America, Europe, and Australia. - **Notable perks or engineering culture**: Opportunity to work on a first-of-its-kind file streaming technology that has won an Emmy. The engineering culture is focused on solving complex data streaming and security challenges. Employee reviews on LinkedIn rate the company 4.2/5.0 (Work-Life: 4.3, Compensation: 4.4, Culture: 4.1, Career: 4.1). - **Open roles (as of mid-2026)**: Senior Field Marketing Manager, Senior Product Designer with AI, Senior Technical Marketing Manager (Developer), Senior Software Engineer (Mobile team), Senior Manager (Revenue Enablement). ## Sources 1. [lucidlink.com](https://www.lucidlink.com/) 2. [lucidlink.com/careers](https://www.lucidlink.com/careers) 3. [linkedin.com/company/lucidlink](https://www.linkedin.com/company/lucidlink) 4. [jobs.ashbyhq.com/lucidlink](https://jobs.ashbyhq.com/lucidlink) 5. 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