Principal Software Development Engineer

<div class="content-intro"><p>About <strong>Zscaler</strong></p> <p>Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an <strong>AI-forward enterprise</strong>, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.</p> <p>Here, <strong>impact in your role matters more than title</strong> and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value <strong>constructive, honest debate</strong>—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on <strong>customer obsession</strong>, collaboration, ownership, and accountability.</p> <p>We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.</p></div><div id="model-response-message-contentr_b54eeff4f5884351" class="markdown markdown-main-panel tutor-markdown-rendering enable-updated-hr-color"> <p data-path-to-node="0"><span style="font-size: 12pt;"><strong data-path-to-node="0" data-index-in-node="0">Role</strong></span></p> <p data-path-to-node="0"><span style="font-size: 12pt;">We are looking for a Principal Software Development Engineer to join our team. This is a hybrid (3 days/week) or remote (within the Pacific Timezone) role, reporting to the Senior Manager, Software Engineering in the Zero Trust Exchange department. As a Principal Software Engineer you will build the backend systems that keep the product fast, reliable, and able to scale as usage grows. You will create microservices and event-driven workflows, and ensure data can be ingested and queried efficiently across relational, graph, and time-series databases. You will also drive cross-team execution by collaborating closely with multiple groups to deliver high-quality results on tight timelines.</span></p> <p data-path-to-node="1"><span style="font-size: 12pt;"><strong data-path-to-node="1" data-index-in-node="0">What you’ll do (Role Expectations)</strong></span></p> <ul data-path-to-node="2"> <li style="font-size: 12pt;"> <p data-path-to-node="2,0,0"><span style="font-size: 12pt;">Architect and deliver scalable microservices on EKS (GoLang): design, build, and operate production services that meet uptime, latency, and scale goals</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,1,0"><span style="font-size: 12pt;">Build event-driven pipelines with Kafka and MQTT: implement asynchronous workflows that are resilient, observable, and easy to evolve as product needs change</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,2,0"><span style="font-size: 12pt;">Design high-performance data models and access patterns: optimize ingest and querying across RDS MySQL, Neo4J, and ElasticSearch for correctness, speed, and cost efficiency</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,3,0"><span style="font-size: 12pt;">Harden production readiness and operational excellence: establish monitoring, alerting, tracing, and on-call standards; drive root-cause fixes and reliability improvements</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="2,4,0"><span style="font-size: 12pt;">Lead cross-team delivery and technical direction: align stakeholders, break down complex work, and execute quickly while maintaining a high bar for quality and security</span></p> </li> </ul> <p data-path-to-node="3"><span style="font-size: 12pt;"><strong data-path-to-node="3" data-index-in-node="0">Who You Are (Success Profile)</strong></span></p> <ul data-path-to-node="4"> <li style="font-size: 12pt;"> <p data-path-to-node="4,0,0"><span style="font-size: 12pt;">You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,1,0"><span style="font-size: 12pt;">You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,2,0"><span style="font-size: 12pt;">You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,3,0"><span style="font-size: 12pt;">You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust.</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="4,4,0"><span style="font-size: 12pt;">You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.</span></p> </li> </ul> <p data-path-to-node="5"><span style="font-size: 12pt;"><strong data-path-to-node="5" data-index-in-node="0">What We’re Looking for (Minimum Qualifications)</strong></span></p> <ul data-path-to-node="6"> <li style="font-size: 12pt;"> <p data-path-to-node="6,0,0"><span style="font-size: 12pt;">Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,1,0"><span style="font-size: 12pt;">12+ years of experience in backend engineering designing and shipping highly scalable microservices in production developed in Go</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,2,0"><span style="font-size: 12pt;">Proven experience with event-driven, asynchronous architectures using messaging/streaming platforms such as Kafka</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,3,0"><span style="font-size: 12pt;">Strong data engineering and persistence skills building efficient ingest and query patterns across relational databases (MySQL) plus at least one of ElasticSearch or Neo4J</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="6,4,0"><span style="font-size: 12pt;">Hands-on experience running services on Kubernetes (ideally EKS), including deployment, troubleshooting, and operational ownership</span></p> </li> </ul> <p data-path-to-node="7"><span style="font-size: 12pt;"><strong data-path-to-node="7" data-index-in-node="0">What Will Make You Stand Out (Preferred Qualifications)</strong></span></p> <ul data-path-to-node="8"> <li style="font-size: 12pt;"> <p data-path-to-node="8,0,0"><span style="font-size: 12pt;">Experience leveraging AI-driven development tools, predictive performance modeling, or intelligent microservice telemetry to optimize high-throughput distributed systems</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="8,1,0"><span style="font-size: 12pt;">Proven ability to profile and optimize distributed systems end-to-end (latency, throughput, resource usage), including performance tuning across services, databases, and messaging</span></p> </li> <li style="font-size: 12pt;"> <p data-path-to-node="8,2,0"><span style="font-size: 12pt;">Strong track record designing debuggability/observability for distributed applications alongside experience defining, operationalizing, and driving product decisions based on SLIs/SLOs</span></p> </li> </ul> <p data-path-to-node="9"><span style="font-size: 12pt;">#LI-Hybrid </span></p> <p data-path-to-node="9"><span style="font-size: 12pt;">#LI-CM3</span></p> </div><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.</p> <p>The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.</p></div><div class="title">Base Pay Range</div><div class="pay-range"><span>$185,500</span><span class="divider">&mdash;</span><span>$265,000 USD</span></div></div></div><div class="content-conclusion"><p data-pm-slice="1 3 []">At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.</p> <p>Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:</p> <div class="has-nudge" data-nudge-id="5eb9419b-6a4d-4451-bfa6-e2eb96084be0"> <ul> <li>Various health plans</li> <li>Time off plans for vacation and sick time</li> <li>Parental leave options</li> <li>Retirement options</li> <li>Education reimbursement</li> <li>In-office perks, and more!</li> </ul> <div class="has-nudge" data-nudge-id="5eb9419b-6a4d-4451-bfa6-e2eb96084be0"> <p data-pm-slice="1 1 []">Learn more about Zscaler's hybrid working model and benefits&nbsp;<a href="https://www.zscaler.com/candidate-resource-hub" target="_blank">here</a>.</p> </div> </div> <p>By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.</p> <p class="p1">Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. <em>See more information by clicking on the </em><a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf"><em>Know Your Rights: Workplace Discrimination is Illegal </em></a><em>link.</em></p> <p>Pay Transparency</p> <p>Zscaler complies with all applicable federal, state, and local pay transparency rules.</p> <p>Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.</p></div>