Light Grey Kablio Logo
Kablio AI
AI Turbo Recruiter
Want to hear how I work? Hit play.Kablio AI applies for you. You just show up to the interviewKablio AI helps you secure roles in construction, clean energy, facilities management, engineering, architecture, sustainability, environment and other physical world sectors.
3D Shield
Get hired, get rewarded!
Land a job through Kablio and earn a 5% salary bonus.
Exclusive benefits
5%Bonus
Costar Group

Web App Pen Tester (San Diego or Irvine)

Company logo
Costar Group
Provides commercial real estate data, analytics, and marketing services.
Secure web applications and underlying infrastructure for a leading global provider of commercial and residential real estate information.
19d ago
$114,200 - $203,500
Junior (1-3 years)
Full Time
San Diego, CA
Office Full-Time
Company Size
4,700 Employees
Service Specialisms
No specialisms available
Sector Specialisms
Commercial Real Estate
Residential
Apartments
Hospitality
Industrial
Retail
Office
Multifamily
Role
What you would be doing
penetration testing
sdlc review
tool utilization
code review
automation implementation
app sec
  • Conduct penetration tests on web applications and underlying infrastructure for vulnerabilities using both manual and automated techniques
  • Work with the software and product teams to help ensure applications are designed and implemented securely during the SDLC
  • Consume a variety of application security tools (DAST, SAST, SCA, Credential Scanning, IAC scanning) to secure web applications during development and production run-time
  • Recommend code changes to eliminate vulnerabilities
  • Utilize sustainable methods to automate finding feedback to generate developer work items and trigger re-scan when associated work items are closed
  • Automate security testing at various stages within the CI/CD pipeline
  • Hack the Box Penetration Testing Specialist (CPTS) / AD Pentesting Expert (CAPE)
  • Hack the Box Bug Bounty Hunter (CBBH) / Web Exploitation Expert (CWEE)
What you bring
dast tools
mobile pen testing
bug bounty
bachelor’s degree
oscp
security automation
  • Dynamic application security testing (DAST) through Metasploit, Burp Suite, OWASP ZAP, Acunetix, etc.
  • Experience with mobile application penetration testing
  • Experience with defense-in-depth strategies to help mitigate existing risk within applications
  • Those certifications can be substituted with considerable experience in CTFs, impressive CVEs, or impressive bug bounty reports.
  • Ability to communicate with different levels of leadership conveying risk and driving urgency for risk remediation
  • Industry relevant professional certifications such as:
  • Ability to mentor and train team members to prioritize security efforts effectively
  • Experience testing modern applications in cloud-native tech stacks
  • Bachelor’s Degree required from an accredited, not for profit university or college (preferably in Computer Science/Cybersecurity)
  • A self-starter who can advance the application security program and follow-through ideas to completion
  • Minimum 1 to 3 years total experience in a technical role with at least 1 year of professional experience penetration testing
  • In-depth understanding of various assessment tools
  • Experience with common programming language: C# (preferred), Java, C/C++, Python, or Go
  • Experience writing comprehensive reports that clearly demonstrate the risk of vulnerabilities to developers and technical leadership
  • Scripting/programming skills - Python, PowerShell, GoLang, Perl, JavaScript, .NET, API Integration
  • A track record of commitment to prior employers
  • Experience coordinating with application teams to drive security by design principles
  • Offensive Security Certified Professional (OSCP) / Experienced (OSEP)
  • Hands-on experience implementing security tools into CI/CD pipelines
  • Demonstrate risk of detected issues to both technical and non-technical audiences
  • Experience with web application penetration testing, identifying and exploiting attack chains to evaluate the severity of vulnerabilities within a web application
  • Security tooling automation in CI/CD pipelines and IDE interfaces including Static Application Security Testing (SAST) and Static Application Analysis (SCA) solutions such as Veracode, CheckMarx, AppScan, X-Ray, Synopsys, or Snyk
  • INE Security Web Application Penetration Tester eXtreme (eWPTX)
  • Knowledge of infrastructure operations across databases, network, and system administration
Benefits
  • Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
  • Life, legal, and supplementary insurance
  • Paid time off
  • On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
  • Employee stock purchase plan
  • Virtual and in person mental health counseling services for individuals and family
  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
  • 401(K) retirement plan with matching contributions
  • Tuition reimbursement
  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
  • Commuter and parking benefits
Training + Development
Information not given or found
Interview process
Information not given or found
Visa Sponsorship
  • not able to provide visa sponsorship for this position.
Security clearance
  • perform pre-employment substance abuse testing
Company
Overview
Founded 1987
Year Established
The year the company was first established.
  • Offers comprehensive data on properties, tenants, leases, and market conditions globally.
  • Known for its pioneering technology and research, delivers powerful insights to commercial real estate professionals.
  • Its旗舰平台, CoStar, provides unmatched property data, news, and analytics.
  • Platforms used by real estate professionals, from brokers to investors to property managers.
  • Expanded through strategic acquisitions, including the purchase of LoopNet and Apartments.com.
  • Data-driven insights help clients make informed investment and leasing decisions, shaping the global real estate market.
Culture + Values
  • Customer Focused: We strive to make a positive impact on our customers through innovative solutions.
  • Ownership: We take personal responsibility for delivering results.
  • Integrity: We act with transparency and integrity in everything we do.
  • Innovation: We drive progress through creativity and technology.
  • Collaboration: We believe in the power of diverse teams working together to achieve more.
  • Excellence: We are dedicated to the pursuit of excellence in our products and services.
Environment + Sustainability
2040
Net Zero Commitment
Aims to achieve net zero carbon emissions by this target year.
  • Committed to energy-efficient building designs and energy-saving programs.
  • Uses technological advancements to reduce environmental impact.
  • Annually tracks and reports on carbon footprint and environmental metrics.
Inclusion & Diversity
40% Global Workforce
Women Representation
Approximately 40% of the global workforce consists of women.
  • Committed to creating an inclusive and diverse workplace where all employees can thrive.
  • Has set specific goals to increase the representation of women in leadership roles.
  • Implemented training programs to promote diversity awareness and inclusive leadership.
Big Kablio Logo
Kablio AIIf you're someone who helps build and power the world (or dreams to), Kablio AI is your pocket-sized recruiter that gets you hired.
Copyright © 2025 Kablio