Senior Software Development Engineer in Test

About Iru Iru is the AI-powered security & IT platform used by the world’s fastest-growing companies to secure their users, apps, and devices. Built for the AI era, Iru unifies identity & access, endpoint security & management, and compliance automation—collapsing the stack and giving IT & security time and control back. Iru is backed by some of the smartest investors in tech—General Catalyst, Tiger Global, Felicis, Greycroft, and First Round Capital. In July 2024, Iru raised $100 million from General Catalyst, valuing the company at $850 million. Customers include Notion, Cursor, Lovable, Replit, and Mercor, and Iru partners with industry leaders such as ServiceNow and AWS. Iru was named to Forbes’ America’s Best Startup Employers 2025 list for employee engagement and satisfaction. The Opportunity: At Iru, we're building something that matters, and we're doing it fast. In the age of AI, quality matters more than ever. We're looking for a Senior SDET who doesn't just write tests… they build the systems, culture, and confidence that allows engineering teams to move quickly without risking our brand, image, or reputation. You'll be a force multiplier: someone engineers want to work with, who raises the quality floor across the entire product. This isn't a role where you wait for tickets. You'll identify gaps, build the infrastructure, and own the outcome as you elevate quality holistically across multiple teams. If the idea of having genuine influence over how a late-stage startup ships software gets you excited, this is the role for you. Benefits & Perks Competitive salary Hybrid work environment (3 days in office per week) 100% individual and dependent medical + dental + vision coverage 401(K) with a 4% company match 20 days PTO Iru Wellness Week the first week in July Equity for full-time employees In-office lunch stipend provided Up to 16 weeks of paid leave for new parents Paid Family and Medical Leave Modern Health mental health benefits for individuals and dependents Fertility benefits Working Advantage employee discounts Onsite fitness center Free parking Exciting opportunities for career growth We are excited to be serving a significant need for a fast-growing market, and are proud of the high-performing team we have brought together so far. If you’re someone who wants to engage in new, exciting projects that will challenge your skills in the best way possible, we would love to connect with you. At Iru, we believe in fostering an inclusive environment in which employees feel encouraged to share their unique perspectives, leverage their strengths, and act authentically. We know that diverse teams are strong teams, and welcome those from all backgrounds and varying experiences. Iru is proud to be an equal opportunity employer committed to diversity and inclusion in the workplace. Qualified applicants will be considered for employment without regard to race, color, religion, national origin, age, sex, sexual orientation, gender identity, physical or mental disability, protected veteran or military status or any other status protected by applicable law. #LI-Hybrid Day To Day: Design, build, and own end-to-end, integration, and performance test frameworks from the ground up and keep them healthy as the product evolves. Partner closely with development teams early on to catch issues and drive testability upstream. Integrate automated test suites into CI/CD pipelines, ensuring fast, reliable feedback loops that don't slow engineers down. Investigate and triage failures with urgency and clear communication. Champion testing best practices across engineering teams, through code reviews, pairing sessions, documentation, and leading by example. Define and track quality metrics that give the team clear, honest visibility into the health of the product. Proactively identify coverage gaps, tooling limitations, and process friction. Minimum Qualifications: 5+ years of hands-on software development and testing experience, with deep expertise building and maintaining test automation frameworks at scale. Strong programming proficiency in one or more languages (TypeScript, Python, etc.) Demonstrated experience integrating automated testing into CI/CD pipelines (GitHub Actions, Code Fresh, Jenkins, CircleCI, or equivalent). Solid grasp of API testing, contract testing, and service-level validation across distributed or microservices architectures. A track record of meaningful cross-functional collaboration High ownership mentality — you treat quality as your personal responsibility, not a handoff. Preferred Qualifications: Experience at a high-growth startup or late-stage company where ownership, proactivity, and rapid change is the norm. Familiarity with performance and load testing tools (Locust, k6, Gatling, or similar). Knowledge of observability tooling — logs, traces, metrics — and how to leverage them as a quality signal, not just a debugging tool. Experience with cloud infrastructure (AWS, GCP, or Azure) and container-based testing environments (Docker, Kubernetes). Mentorship experience — someone who has actively grown the testing capabilities of the engineers around them. An opinion on what good quality engineering culture looks like — and the ability to articulate and advocate for it clearly. Who You Are: High ownership — You see a gap and fill it without needing to be asked twice. Collaborative by nature — Engineers seek you out early. You make them better at building. Go-getter — You move fast, bias toward action, and iterate in the open. Builder — You build frameworks that last, not scripts that barely work. Clear communicator — You can explain a flaky test to a PM and a CI bottleneck to a CTO. Resilient — Ambiguity doesn't stall you — it energizes you.

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