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Senior Software Engineer (Isolation/Sandboxing) at Workato
Sofia, BulgariaFull-timeProduct & EngineeringPosted 9 days ago
Apply with PipelineAbout the Role
<div class="content-intro"><h1><span style="font-family: helvetica, arial, sans-serif;"><strong>About Workato</strong></span></h1>
<p>Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit <span><a href="http://www.workato.com" target="_blank">www.workato.com</a></span></p>
<h1><strong>Why join us?</strong></h1>
<p><span style="font-weight: 400;">Ultimately, Workato believes in fostering a </span><strong>flexible, trust-oriented culture that empowers everyone to take full ownership of their roles</strong><span style="font-weight: 400;">. We are driven by </span><strong>innovation </strong><span style="font-weight: 400;">and looking for</span><strong> team players </strong><span style="font-weight: 400;">who want to actively build our company. </span></p>
<p><span style="font-weight: 400;">But, we also believe in </span><strong>balancing productivity with self-care</strong><span style="font-weight: 400;">. That’s why we offer all of our employees a vibrant and dynamic work environment </span><a href="http://www.workato.com/careers"><span style="font-weight: 400;">along with a multitude of benefits</span></a><span style="font-weight: 400;"> they can enjoy inside and outside of their work lives. </span></p>
<p><span style="font-weight: 400;">If this sounds right up your alley, please submit an application. We look forward to getting to know you!</span></p>
<p><span style="font-weight: 400;">Also, feel free to check out why:</span></p>
<ul>
<li style="font-weight: 400;">
<p><a href="https://www.businessinsider.com/47-enterprise-startups-to-bet-your-career-on-in-2020-2019-12"><span style="font-weight: 400;">Business Insider</span></a><span style="font-weight: 400;"> named us an “enterprise startup to bet your career on”</span></p>
</li>
<li style="font-weight: 400;">
<p><a href="https://www.forbes.com/cloud100/#a57477b5f941"><span style="font-weight: 400;">Forbes’ Cloud 100</span></a><span style="font-weight: 400;"> recognized us as one of the top 100 private cloud companies in the world</span></p>
</li>
<li style="font-weight: 400;">
<p><a href="https://www2.deloitte.com/us/en/pages/technology-media-and-telecommunications/articles/fast500-winners.html"><span style="font-weight: 400;">Deloitte Tech Fast 500</span></a><span style="font-weight: 400;"> ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America</span></p>
</li>
<li>
<p><a href="https://qz.com/work/2053446/the-best-companies-for-working-from-home/"><span style="font-weight: 400;">Quartz</span></a><span style="font-weight: 400;"> ranked us the #1 best company for remote workers</span></p>
</li>
</ul></div><p data-start="100" data-end="277">We are looking for a Senior / Staff Software Engineer with a strong background in systems programming, Linux internals, performance optimization, and workload isolation.</p>
<p data-start="279" data-end="528">This is not a typical backend, DevOps, SRE, or infrastructure engineering role. We need someone who can work across multiple layers of the system stack, from Linux kernel mechanisms and networking to application-level services and security controls.</p>
<p data-start="530" data-end="690">The ideal candidate has experience designing, implementing, and optimizing complex systems where security, isolation, and performance are equally important.</p>
<h3 data-section-id="zqjevi" data-start="1633" data-end="1652">Ideal Background</h3>
<p data-start="1654" data-end="1717">We are looking for engineers who have worked on one or more of:</p>
<ul>
<li>
<p>Linux kernel-adjacent systems</p>
</li>
<li>
<p>Sandboxing and isolation platforms</p>
</li>
<li>
<p>Container runtimes</p>
</li>
<li>
<p>Hypervisors and virtualization</p>
</li>
<li>
<p>Cloud infrastructure internals</p>
</li>
<li>
<p>Performance engineering</p>
</li>
<li>
<p>Operating systems</p>
</li>
<li>
<p>Networking infrastructure</p>
</li>
<li>
<p>Security-focused systems programming</p>
</li>
</ul>
<p data-start="1989" data-end="2040">Examples include engineers who have contributed to:</p>
<ul>
<li>
<p>gVisor</p>
</li>
<li>
<p>Kata Containers</p>
</li>
<li>
<p>Firecracker</p>
</li>
<li>
<p>containerd</p>
</li>
<li>
<p>CRI-O</p>
</li>
<li>
<p>KVM-based platforms</p>
</li>
<li>
<p>Linux security frameworks</p>
</li>
<li>
<p>Large-scale distributed infrastructure</p>
</li>
</ul>
<h2>Responsibilities</h2>
<ul>
<li>
<p>Building and improving secure workload isolation systems</p>
</li>
<li>
<p>Designing and implementing sandboxing mechanisms for user-generated and AI-generated code execution</p>
</li>
<li>
<p>Working with Linux security primitives such as: namespaces, cgroups, seccomp, permissions and access controls</p>
</li>
</ul>
<ul>
<li>Profiling large distributed systems and identifying bottlenecks</li>
<li>
<p>Improving networking performance and traffic management</p>
</li>
<li>
<p>Designing and evolving internal protocols and service communication mechanisms</p>
</li>
<li>
<p>Contributing to and debugging system-level services and infrastructure components</p>
</li>
<li>
<p>Evaluating and integrating technologies such as: gVisor, KVM, container runtimes, virtualization technologies</p>
</li>
</ul>
<ul>
<li data-section-id="k883in" data-start="1507" data-end="1626">
<p>Driving technical projects from architecture and requirements gathering through implementation and production rollout</p>
</li>
</ul>
<h2>Requirements</h2>
<ul>
<li>
<p>5+ years of industry experience</p>
</li>
<li>
<p>Experience building and shipping large-scale, reliable, highly distributed systems</p>
</li>
<li>
<p>Systems-level programming experience, especially in C, Go, Rust</p>
</li>
<li>
<p>Expertise in L2, L3, and/or L4 networking protocols</p>
</li>
<li>
<p>Good understanding of Linux networking and security</p>
</li>
<li>
<p>Experience building on top of Linux kernel networking primitives – netfilter, nftables, eBPF, tc, network namespaces, etc</p>
</li>
<li>
<p>Experience with large-scale distributed data pipelines, from data structuring to efficient querying to data analysis</p>
</li>
<li>
<p>Experience of working with public cloud infrastructure providers (AWS/Azure/Google Cloud)</p>
</li>
<li>
<p>Understanding of Kubernetes concepts</p>
</li>
<li>
<p>Excellent debugging and optimization skills</p>
</li>
<li>
<p>Understanding at the protocol level, including the differences between what the specs say, and what actually happens on the Internet</p>
</li>
<li>
<p>Contributions to open source projects is a plus</p>
</li>
<li>
<p>Excited by the idea of optimizing complex solutions to general problems</p>
</li>
<li>
<p>Attention to detail and ability to solve complex customer problems</p>
</li>
<li>
<p>Own solutions end-to-end and driving the design, development, and deployment process</p>
</li>
<li>
<p>Able to work across teams and level common, sustainable solutions</p>
</li>
</ul>
<p> </p>
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