Software Engineer, C++

Department: Engineering

Location: Sofia Office

Employment Type: FullTime

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 are fluent in C++ but are not religious about it and would have no trouble delving into TypeScript and other technologies as well.

Key responsibilities:

• Design and develop highly scalable fault-tolerant solutions.

• Challenge technical decisions to build a better product

• Actively develop and enhance the automation suite to maintain top-notch product quality.

• Reproduce and learn complex usage scenarios and analyze their problems.

Job requirements:

• 3-5 years of experience in C++ development.

• System and network programming experience - OS basics, processes, I/O, familiarity with both Windows and Unix-based OSes.

• Multithreading and parallelism experience.

• C++ concepts & libraries - C++ standard library, Boost, multi-platform support.

• Algorithms and data structures.

• TypeScript will be considered a plus.

• Fluent in English, both spoken and written.

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.