Networking & Linux Software Senior Engineer

<p><strong>Job Title:</strong> Networking and Linux Software</p> <p><strong>Department: </strong>Engineering</p> <p><strong>Reports to: </strong>Engineering Manager</p> <p><strong>Location:</strong> Bucharest <br/><br/></p> <p>If you're a skilled Linux and networking engineer with a passion for developing cutting-edge software, we want you on our team. At Kape, you'll contribute to building a safer, more open internet for millions worldwide. We're on the lookout for individuals who thrive in solving complex problems, value clarity, and can navigate the challenges of innovation. Join us in enhancing our global VPN infrastructure, ensuring privacy, security, and freedom for our users.</p> <p> </p> <h2>Who you are</h2> <p>You’re adept at navigating complex technical landscapes, especially those involving Linux OS internals, kernels, drivers, and network stacks. Your problem-solving skills match your eagerness to contribute to team efforts and deliver solutions that impact millions daily. With a growth mindset, you're collaborative, ready to share knowledge, and open to mentoring.</p> <p><br/><br/></p> <h2>What you’ll do</h2> <ul> <li>Optimize the Kape network stack, routing and infrastructure of the Kape products.</li> <li>Lead spikes, prototyping, and R&amp;D efforts to explore new solutions and technologies.</li> <li>Optimize and continuously improve the experience of Kape customers while on the VPN.</li> <li>Optimize and continuously improve the Kape use of platforms and tooling across the engineering, operations teams and all of our products.</li> </ul> <p> </p> <h2>What you’ll bring</h2> <ul> <li>Deep understanding of IP networking, including both low-level sockets programming and high-level application layer programming (eg. OpenSSL, GNUPG and public/private key encryption)</li> <li>Experience with platform-native networking internals on Linux.</li> <li>Experience with Rust, Python, or Golang.</li> </ul> <p><br/><br/></p> <h2>Nice to have but not required</h2> <ul> <li>Computer security: public key infrastructure, cryptography, and secure coding practices.</li> <li>Experience with Infrastructure As Code or CI/CD pipelines </li> </ul> <p> </p> <p>How you’ll succeed</p> <p> </p> <ul> <li>Your success will be marked by your ability to develop solutions that enhance our VPN service, ensuring high performance, reliability, and user satisfaction.</li> <li>Effectively collaborating with cross-functional teams to drive innovation and improvement.</li> <li>Keeping abreast of the latest technological trends and applying them to your work.</li> </ul> <h2>How we’ll support you</h2> <p>We believe in fostering an environment that empowers decision-making at all levels. Our culture is rooted in the inverted pyramid approach, where the engineers, who have a deep understanding of the product and the customers, are the ones who have the knowledge and the authority to make impactful decisions. </p> <ul> <li>We prioritize treating every team member with respect and promote open and constructive feedback, ensuring a culture of trust and transparency.</li> <li>We encourage learning through experimentation and provide a safe space for everyone to learn from their experiences.</li> <li>Our managers are dedicated to facilitating career growth and creating an environment that attracts and supports talented engineers.</li> </ul><h3><strong>Benefits</strong></h3> <p>Health and happiness go hand in hand, and we make every effort to support our team members in all facets of their lives—both inside and outside the office. Learn more about our<a href="https://www.expressvpn.com/jobs#benefits"> employee benefits</a> by visiting our careers page.</p> <h3><strong>Before you apply</strong></h3> <ul> <li>At the moment, we do not sponsor visas in the <strong>EU</strong>. For <strong>Hong Kong</strong>, we require at least two years of working experience and a university degree in a related field. For<strong> Singapore and the UK</strong>, we can only sponsor visas for mid-career or above.</li> <li>Please upload your resume as a <strong>PDF</strong> and do not include any salary or compensation information in it.</li> </ul> <p><em>ExpressVPN is one of the world’s leading providers of online privacy and security services for consumers. Started in 2009, we’ve grown to have millions of active paying customers, a team of more than 700 people worldwide, and a brand recognized by hundreds of millions of people in 18 languages and more than a hundred countries. We see huge growth in our industry, and are gaining market share through strong execution.</em></p> <p><em>Please note that all offers are subject to reference checks from one or more of your former managers/colleagues. For your current manager, we understand that every company has distinct HR practices, and will only speak with them at a mutually agreed-upon time that works for you.</em></p>