---
title: 'Senior SDET at Synack'
canonical: 'https://feeny.ai/job/senior-sdet-synack-in-the-52dw5wda21s3'
type: 'job'
last_seen: '2026-09-11'
---

# Senior SDET at Synack

- **Company:** Synack
- **Location:** IN the, United States
- **Work type:** remote
- **Posted:** 2026-07-17
- **Last confirmed live:** 2026-09-11
- **Apply:** https://job-boards.greenhouse.io/synack/jobs/8069252

## Job description

Synack’s Penetration Testing as a Service platform manages customers’ attack surfaces by discovering new assets, pentesting for critical vulnerabilities and gaining visibility into the root causes of security risks. We are committed to making the world more secure by harnessing a talented, vetted community of security researchers to deliver continuous penetration testing and vulnerability management, with actionable results. Synack's PTaaS platform has uncovered more than 71,000 exploitable vulnerabilities to date, protecting a growing list of Global 2000 customers and U.S. agencies in a FedRAMP Moderate Authorized environment. For more information, please visit [www.synack.com](http://www.synack.com/).

Are you process-driven and notice the slightest deviation from the norm? If you get a thrill from helping to correct others’ mistakes and are not afraid to speak up, then this is the role for you. As a Senior QA Engineer you will work on game-changing problems in cybersecurity.  You will validate software using cutting-edge technologies and take testing to the next level as part of a collaborative environment. Sounds interesting?  Keep reading!

Here’s what you'll do

- Debugs software products through the use of systematic tests to develop, apply and maintain quality standards for firm products.
- Develops, modifies and executes software test plans, automated scripts and programs for testing.
- Contribute to the existing automation tools to add enhancements and improve maintainability
- Maintains documentation of test results to assist in debugging and modification of software.
- Analyzes test results to ensure existing functionality and recommends corrective action.
- Consults with development engineers in resolution of problems.
- Provides feedback in preparation of technical appraisals of programming languages, systems and computation software.
- Ensures quality computer integration into the overall functions of scientific computation, data acquisition and processing.
- Maintain and improve our automated testing and continuous integration systems
- Collaborate with a team of security and software engineers to develop system level testing
- Interface with sales and customers to recreate, diagnose, and help resolve field issues
- Learn new technologies as needed to build tools and improve efficiency and productivity

Here's what you'll need

- BS degree in Computer Science, or equivalent experience
- 7+ years in Software Quality Engineering, at least 3 of which as SDET and 2 years developing in Javascript/Typescript.
- You are proficient in Javascript and/or Typescript
- Experience developing internal tools to improve developer experience and productivity
- You have excellent debugging skills in diagnosing issues in a multi-tier web architecture
- Ability to adapt and work in a fast-paced agile environment
- Comfort with writing and reading code, and a basic understanding of data structures
- Hands on experience with automation framework design and development from scratch
- Experience with writing backend integration tests for RESTful APIs
- FE Test Automation expertise in TestCafe, Cypress, Playwright or similar tools (we use playwright)
- Experience with BDD tools
- CI tooling experience with Github Actions or similar understanding of source control and release management in the context of when/where/why/how to test
- Understanding of virtualization and containerization technologies (Docker)
- Understanding of Lean and Agile methodologies
- Understanding of Cloud technologies, like AWS, GCP, Azure
- Experience analyzing logs
- Experience testing agentic systems and using agents to optimize daily workflow

## Nice to have

- Experience with testing cloud based products/applications
- Knowledge and understanding of different kinds of VPNs
- Experience with load and performance testing

Ready to join us?

Synack is committed to embracing diversity. Our people are our strength.  Each addition to our team is an opportunity to grow and diversify our ideas, experiences, and viewpoints. Synack strives to be inclusive of all people.

As a candidate, Synack cares about your privacy. Please view our [candidate privacy policy](https://www.synack.com/candidate-privacy-notice/).

This position has responsibility to ensure Synack’s security and privacy posture is maintained.

$170,000 - $200,000 Salary is determined by a combination of factors including location, level, relevant experience, and skills. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations. The compensation package for this position may also include equity, and benefits.

For more details about our benefits, please see [our benefits overview](https://synack.mybenefits.life/). Then for the Employer code, enter: synack

## About Synack

## Company Overview
- **One-liner**: Synack provides an AI-powered Penetration Testing as a Service (PTaaS) platform that fuses intelligent AI agents with a vetted community of human security researchers to deliver continuous, high-fidelity security validation.
- **Entity Type**: Private (Series D)
- **Headquarters**: Redwood City, California, United States
- **Founded**: 2013
- **Founders**: Jay Kaplan (CEO and Co-founder)

## Core Business
- **Primary industry**: Computer and Network Security / Cybersecurity
- **Target customers**: B2B, Enterprise, specifically security teams managing complex attack surfaces in global financial systems, U.S. Department of Defense, and other critical infrastructure sectors.
- **Mission or purpose statement**: To make the world more secure by leveraging global security talent coupled with advanced technology to help enterprises discover security vulnerabilities before they become business problems.

## Products & Services
- **Synack Platform (PTaaS)**: A platform that combines the speed and scale of intelligent AI agents with the judgment of vetted human testers. It delivers continuous, high-fidelity assessments that go beyond automated scans, covering web applications, APIs, cloud environments (AWS, Azure, GCP), and hosts.
- **Attack Surface Management**: Continuously discovers, fingerprints, and prioritizes internet-facing assets for immediate testing.
- **AI Pentesting**: Automated pentesting launched in days, using both human and AI agents to filter out 99.98% of noise, delivering only verified, real vulnerabilities.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed (Private company).
- **Key Metric**: Total Funding of **$107.6M** across 7 rounds. Annual Revenue estimated at **$37.0M**.
- **Notable Investors/Partners**: Backed by top-tier venture capital firms including **Kleiner Perkins Caufield & Byers**, **Microsoft (M12 - Microsoft's Venture Fund)**, and **Google Ventures**. Other investors include Icon Ventures and Notable Capital.
- **Growth Signals**: Enables nearly 10 million hours of expert testing. Protects U.S. Department of Defense networks. Headcount of 192 employees (+0.4% YoY). Operates in 24 countries. Named "Fast" in flexibility, value, and scalability compared to other PTaaS vendors.

## Competitive Advantages
- **Human + AI Fusion**: Unique model combining the speed of AI agents with the intuition and creativity of highly vetted human security researchers (the Synack Red Team) to find logic flaws, chained exploits, and subtle vulnerabilities that automated tools miss.
- **Noise Reduction**: Filters out 99.98% of false positives, delivering only verified, exploitable vulnerabilities.
- **Elite Talent Pool**: Access to at least 35 highly qualified penetration testers per engagement, drawn from a global community of vetted security researchers.
- **Military-Grade Origin**: Founded by former NSA cybersecurity operators, bringing military-grade discipline and adversarial thinking to enterprise security.
- **Proven Track Record**: 47% faster vulnerability remediation, 32% lower pentesting costs, and 22 days saved per pentest.

## Strategic Focus
- **Continuous Security Validation**: Moving away from periodic testing to a continuous, always-on model.
- **AI Innovation**: Deepening the integration of agentic AI to enhance the speed and scale of testing.
- **Expanding Attack Surface Coverage**: Continuously discovering and testing new assets across cloud, API, and ephemeral environments.
- **Protecting Critical Infrastructure**: Deep focus on securing global financial systems, defense networks, and other sensitive sectors.

## Why Work Here
- **Culture**: Fast-paced, global company with a culture of inclusion, innovation, and interconnectedness. Core values include innovation, respect, trust, transparency, and a passion for the mission.
- **Work Model**: Remote in the US. Most roles listed are remote-first.
- **Benefits**: Competitive compensation packages, comprehensive medical/dental/vision coverage (US), generous paid parental leave, and ample holidays and time off ("work hard to play hard").
- **Engineering Culture**: Focus on solving big problems with tenacity and innovation. Teams are empowered to take on tough challenges. R&D roles include Senior Software Engineer, AI; Director, Software Engineering, AI; and DevOps Engineer.
- **Team**: Diverse workforce with employees across 24 countries. Technical roles make up the largest department (26%). Notable talent sources include Bugcrowd, HackerOne, and FireEye.

## Sources
1. [synack.com](https://www.synack.com/)
2. [synack.com - About](https://www.synack.com/about/)
3. [synack.com - Careers](https://www.synack.com/careers/)
4. [LinkedIn - Synack](https://www.linkedin.com/company/synack-inc-)
5. [Greenhouse - Synack Jobs](http://job-boards.greenhouse.io/synack)

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