Senior Security Researcher

Reposted 4 Days Ago
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Lisbon, PRT
Hybrid
Senior level
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
Snyk helps organizations build fast and stay secure in the age of AI.
The Role
The Senior Security Researcher will develop a vulnerability scanner, enhance detection capabilities, mentor junior engineers, and collaborate on technical solutions.
Summary Generated by Built In
Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnerabilities — from code and dependencies to containers and cloud.
Our mission is to empower every developer to innovate securely in the AI era — boosting productivity while reducing business risk. We’re not your average security company - we build Snyk on One Team, Care Deeply, Customer Centric, and Forward Thinking.
It’s how we stay driven, supportive, and always one step ahead as AI reshapes our world.
Why this role?

As a Security Researcher within the Snyk API and Web team, you will be redefining how security tools are built in the AI Era. These changes affect builders and breakers, defenders and attackers, and you have the opportunity to be at the forefront of building the engines that protect our global network of high-profile customers.

We are looking for a Senior Security Researcher develop our Scanning Engine - working with an award-winning team (recognised at RSAC 2025 as the most innovative API security product) to accelerate and scale the product for enterprise needs, whilst engineering innovative new features and products, designed to map and protect the ever-expanding web and API attack surface.

What You’ll Do: 
  • Develop Snyk API & Web’s vulnerability scanner, adding new features and supporting existing ones

  • Reasearch develop and improve the scanner vulnerability detection capabilities, while keeping our 0.08% false-positive rate amazingly low 

  • Contribute to our firing range by adding new vulnerable applications and endpoints for testing purposes

  • Work with the engineering team to discuss and implement technical solutions, fix and identify bugs 

  • Mentor and coach more junior engineers on the team, regularly reviewing and testing teammates' code 

What You’ll Bring: 
  • Proficiency in Java 

  • Good understanding of how web applications and APIs work, down to the HTTP layer

  • Familiarity with high-level vulnerability classes, such as those enumerated in the OWASP Top 10

  • A strong desire to keep up to date with new research and technologies from across the industry, and the ability to bring new ideas into the team

  • Basic usage and knowledge of AI systems, such as chatbots and code editor extensions

We’d be Lucky if You
  • Have ideas for novel and impactful security research targets and areas

  • Have a basic understanding of popular infrastructure components, such as Docker, or AWS

  • You are comfortable with the programming languages Python or Go, or have a willingness to learn 

#LI-CR1  #LI-Hybrid

We care deeply about the warm, inclusive environment we’ve created and we value diversity – we welcome applications from those typically underrepresented in tech. If you like the sound of this role but are not totally sure whether you’re the right person, do apply anyway!

About Snyk

Snyk is committed to creating an inclusive and engaging environment where our employees can thrive as we rally behind our common mission to make the digital world a safer place. From Snyk employee resource groups, to global benefits that help our employees prioritize their health, wellness, financial security, and a work/life blend, we aim to support our employees along their entire journeys here at Snyk.

Benefits & Programs

- Prioritize health, wellness, financial security, and life balance with programs tailored to your location and role.

- Flexible working hours, work-from home allowances, in-office perks, and time off for learning and self development

- Generous vacation and wellness time off, country-specific holidays, and 100% paid parental leave for all caregivers

- Health benefits, employee assistance plans, and annual wellness allowance

- Country-specific life insurance, disability benefits, and retirement/pension programs, plus mobile phone and education allowances

Top Skills

Ai Systems
AWS
Docker
Go
Java
Python

What the Team is Saying

Ciana
Carissa
Brian
Erica
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The Company
HQ: Boston, MA
1,000 Employees
Year Founded: 2015

What We Do

Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk. The company’s AI Trust Platform seamlessly integrates into developer and security workflows to accelerate secure software delivery in the AI Era. Snyk delivers trusted, actionable insights and automated remediation, enabling modern organizations to innovate without limits. Snyk is redefining secure AI-driven software delivery for over 4,500 customers worldwide today.

Why Work With Us

Every team member at Snyk contributes to our vision for a more secure digital world. No matter where we are in the world, we operate as one team and work together to shape the future of application security. We take immense pride in the diversity of our people, cultures, and experiences.

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Snyk Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
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