--- title: 'Application Security Engineer at Sonar' canonical: 'https://feeny.ai/job/application-security-engineer-sonar-austin-pgzxm1g8pwvs' type: 'job' last_seen: '2026-09-07' --- # Application Security Engineer at Sonar - **Company:** Sonar - **Location:** Austin, TX - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-09-01 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.lever.co/sonarsource/65c2b725-2cda-458d-993a-8cb25a57947d ## Job description Who is Sonar? Sonar is driving the future of agent-centric software development. As the leader in AI code review and verification, we solve a critical problem: ensuring that software generated by AI-assisted developers or autonomous agents is reliable, secure, and maintainable. Integrating seamlessly with Claude Code, Codex, Cursor, GitHub Copilot, Gemini, and Devin, we help over 75% of the Fortune 100 build trusted, reliable, compliant software. Customers who use Sonar are 44% less likely to report an outage due to AI-generated code. We believe code verification is the critical missing link in the Agent-Centric Development Cycle (AC/DC). Industry giants like Nvidia, ServiceNow,Booking.com, Goldman Sachs, AstraZeneca, and Ford Motor Company.count on us to provide independent, explainable, consistent review and governance of their AI-generated code via products like: SonarQube: The world’s leading AI code review and verification platform. SonarQube Foundation Agent: Currently topping the leaderboards for agentic software repair. SonarSweep & Sonar Context Augmentation: Providing the enterprise-grade context and constraints agents need to be truly effective. Our team operates across global hubs in Austin, Bochum, Dubai, Geneva, London, Singapore, Tokyo, and Washington D.C. We move with a mindset we call CODE: Committed to our customers and community. Obsessed with quality. Deliberate in our decisions. Effective as one team. With over $400M in revenue and profitable, fast-paced growth, we are building the backbone of the AI software revolution. If you’re hungry to have an impact, want to build at a fast pace, and ready to work at the forefront of AI, we want to hear from you. Position description The primary goal of the Information Security team is to build trust with our rapidly growing customer base by ensuring the Sonar organization meets a high level of security to protect our customers. As a member of the Information Security team, you will be based in Sonar’s Austin office leading the Security Governance and Customer Trust domains of our security risk management program. You will also support security incidents from time to time as needed. Your positive contributions will significantly impact the growth of the business through Sonar’s “collective intelligence” mindset. ## What you will do - Shape secure products and cloud architecture - Partner with product and engineering teams from the earliest design stages to build secure, resilient solutions by design. - Review product architectures and AWS environments, ensuring security requirements meaningfully inform technical decisions and final designs. Lead security assurance and improvement - Deliver high-impact initiatives from the strategic security plan, from evaluating new approaches to deploying modern security tools and capabilities across the organization. - Plan and manage independent security assessments, penetration tests, and red-team exercises; translate findings into practical improvements and customer-facing trust artifacts. - Investigate complex product and internal security findings, identify root causes, and help teams implement durable remediation. Strengthen customer trust and incident readiness - Lead the investigation and resolution of customer security concerns with rigor and empathy, using each engagement to reinforce confidence in our security program. - Serve as a security subject-matter expert during incidents, helping teams understand, contain, and learn from emerging threats. Occasional on-call participation may be required. Anticipate threats and scale the security program - Monitor and interpret threat intelligence, turning changes in the threat landscape into prioritized risks and actionable recommendations. - Continuously improve and automate security processes, increasing the quality, speed, and visibility of information that informs the security strategy. ## Experience and qualifications Secure product and cloud architecture - Extensive experience with application and cloud architectures, predominantly AWS, and a strong interest in how modern cloud patterns can strengthen or weaken security. - Extensive experience conducting application security assessments, including code review and evaluation of authentication and authorization designs. - Experience assessing and securing AI and agentic AI capabilities, with the curiosity to experiment, learn, and help define emerging best practices. - Experience applying threat-modeling approaches, such as STRIDE, to improve design discussions and identify risks early. Security assurance and remediation - Experience with penetration testing, red-team engagements, and bug-bounty programs, with an attacker mindset focused on protecting what matters most. - Experience investigating and managing vulnerabilities, from triage and prioritization through to remediation and organizational learning. Threat awareness and security automation - Practical experience using AI to automate repeatable security work, along with enthusiasm for building small tools and experiments that make security teams faster and more effective. - Familiarity with Azure, GCP, and Google Workspace is a plus, as is the appetite to learn new platforms and ecosystems as Sonar evolves. Additional comments This role is based in Austin, TX. We are unable to consider candidates unwilling to be in Austin, but we are willing to relocate the right candidate. ## Benefits - Flexible comprehensive employee benefit package. - We encourage usage of our robust time-off allocations. You will receive  23 days of PTO per calendar year (on a pro-rated basis depending on your employment start date), with additional time provided for sickness, life events and holidays. - We offer an exciting 401(k) plan that has a 4% match. - Generous discretionary Company Growth Bonus, paid annually. - Fully paid parking in the heart of downtown Austin, Texas. - Global workforce with employees in 20+ countries representing 35+ unique nationalities. - We have an annual kick-off somewhere in the world where we meet to build relationships and goals for the company. - Monthly catered events, and team events. We value diversity, equity, and inclusion At Sonar, we believe that our diversity is our strength. We are a global company that values and respects different backgrounds, perspectives, and cultures. We are committed to fostering a diverse and inclusive work environment where everyone feels valued and empowered to contribute their best. We are proud to be an equal opportunity employer and welcome all qualified applicants, regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. If you need any accommodation, please reach out to us at hiring@sonarsource.com. All offers of employment at Sonar are contingent upon the results of a comprehensive background check and reference verification conducted before the start date. Applications that are submitted through agencies or third party recruiters will not be considered. ## About Sonar ## Company Overview - **One-liner**: Sonar provides a platform for automated code review that helps developers deliver high-quality, secure software by analyzing code they write, AI-generated code, and third-party code. - **Entity Type**: Private (Series B, $412M raised in 2022 at a $4.7B valuation) - **Headquarters**: Vernier, Geneva, Switzerland (also major offices in Austin, London, Singapore, and others) - **Founded**: 2008 - **Founders**: Freddy Mallet, Simon Brandhof, Olivier Gaudin ## Core Business - Primary industry: Software Development, Code Quality & Security (SAST) - Target customers: B2B, developers, and enterprises (7M+ developers, 21,000+ enterprise customers globally) - Mission: "Transparency and continuous improvement to support our community and make tomorrow's innovations possible." ## Products & Services - **SonarQube (Self-Hosted)**: The flagship on-premises platform for continuous code quality and security inspection, supporting multiple languages and integrating into CI/CD pipelines. - **SonarQube Cloud (SaaS)**: A cloud-based version of the SonarQube platform, free for open-source projects and paid for private projects. - **Sonar Analyzers**: Language-specific rules and analysis engines that detect bugs, vulnerabilities, and code smells. ## Market Standing - **Valuation/Market Cap**: $4.7 billion (as of April 2022 Series B round) - **Key Metric**: Annual revenue of ~$289M (latest fiscal year); Total funding of $457M (across two rounds) - **Notable Investors/Partners**: Insight Partners (lead in 2016), Advent International and General Catalyst (lead in 2022). Customers include Snowflake, Booking.com, Deutsche Bank, AstraZeneca, and Ford. - **Growth Signals**: 726 employees (+24.1% YoY); analyzes 750+ billion lines of code daily; acquired Tidelift (Dec 2024) and AutoCodeRover (Feb 2025); driving toward $1B revenue. ## Competitive Advantages - Trusted verification layer for AI-generated code, providing deterministic, repeatable, and actionable results at scale. - Open-source roots and 17+ years of industry leadership in automated code review. - Integrated code quality and security (SAST) in a single platform, reducing technical debt and complexity. ## Strategic Focus - Expanding go-to-market globally to reach $1B in revenue. - Deepening capabilities for AI code verification and securing the AI coding era. - Growing the platform through acquisitions (Tidelift for package management, AutoCodeRover for AI-powered code remediation). ## Why Work Here - **Culture**: Highly committed to each other, customers, and the open-source community; values positivity, dedication, empathy, and passion. - **Work Model**: Hybrid – flexibility to work from home two days a week (Wednesdays and Fridays). Offices in 10 locations across 4 continents. - **Benefits** (varies by country): Generous PTO (25–28 days + seniority days), 401K match (US), healthcare premium coverage (90% employee, 60% dependents in US), pension contributions (Switzerland/UK), commuting subsidies (public transport, parking, cycling). - **Interview Process**: 4 stages – Recruiter Interview, Hiring Manager Interview, Peer/Technical Interview, Cross-Functional Interview. - **Engineering Culture**: Builders behind a platform used by millions; focus on quality, security, and innovation. ## Sources 1. [sonarsource.com](https://www.sonarsource.com/company/about/) – About page 2. [sonarsource.com](https://www.sonarsource.com/company/careers/) – Careers page with benefits and history 3. [linkedin.com](https://linkedin.com/company/sonarsource) – Company LinkedIn profile (employees, revenue, funding, acquisitions) 4. [jobs.lever.co](https://jobs.lever.co/sonarsource) – Open positions (Lever careers page) ## Other roles at Sonar - [Sales Manager - EMEA West](https://feeny.ai/job/sales-manager-emea-west-sonar-geneva-2jva31zrhmrk) — Geneva, Switzerland - [Sales Manager - EMEA East](https://feeny.ai/job/sales-manager-emea-east-sonar-geneva-14qsg8sdya8x) — Geneva, Switzerland - [Sales Manager - EMEA North](https://feeny.ai/job/sales-manager-emea-north-sonar-london-56r5h9fzetct) — London, United Kingdom - [Sales Development Representative - Greater China](https://feeny.ai/job/sales-development-representative-greater-china-sonar-singapore-t4bqe2r4nq1k) — Singapore - [Major Incident Manager](https://feeny.ai/job/major-incident-manager-sonar-singapore-47apd20x99ey) — Singapore - [Application Security Engineer](https://feeny.ai/job/application-security-engineer-sonar-geneva-aw15g9x3j5gf) — Geneva, Switzerland - [Sr. Staff Customer Trust Manager](https://feeny.ai/job/sr-staff-customer-trust-manager-sonar-geneva-0sck90tym3sv) — Geneva, Switzerland - [Sr. Staff Customer Trust Manager](https://feeny.ai/job/sr-staff-customer-trust-manager-sonar-austin-9vhcqrftjef9) — Austin, TX - [Engineering Manager - Cloud Platform & Operations](https://feeny.ai/job/engineering-manager-cloud-platform-operations-sonar-geneva-62252e9xcs73) — Geneva, Switzerland - [Staff Data Engineer](https://feeny.ai/job/staff-data-engineer-sonar-geneva-hz3x5vkmjyfx) — Geneva, Switzerland