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# Software Engineer II

- **Company:** Búsqueda Avanzada
- **Location:** Madrid, Spain (Remote available)
- **Salary:** €65,000.0 - €74,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, JavaScript (Programming Language), Artificial Intelligence, User Authentication, Cyber Security, Cross-Origin Resource Sharing (Ajax Programming), Web Development, Identity and Access Management, Node.Js, Open Web Application Security, Role-Based Access Control, Secure Coding, Web Application Security, TypeScript, Software Vulnerability Management, Application Enhancement Tool, Codebase, Kibana, Vulnerability Analysis
- **Published:** September 24, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

At least 3 years of web development experience, with a focus on secure development practices
Strong knowledge of web application security principles including OWASP Top 10, secure authentication patterns, and defense-in-depth strategies
Experience with security vulnerability management, including triage, remediation, and coordinated disclosure
Proficiency with JavaScript, TypeScript, and Node.js
Familiarity with security scanning tools and vulnerability management platforms (e.g., Snyk, CodeQL, HackerOne)
Ability to work and communicate effectively with a worldwide team in a distributed work environment
Hands-on experience implementing and maintaining content security policies, CORS policies, and other browser security controls
Understanding of single-sign-on technologies, role-based access control, and identity management protocols

## Description

We are looking for a security-focused Engineer to strengthen Kibana's security posture and build robust platform security features. In this role, you'll be responsible for hardening Kibana against evolving threats, managing security vulnerabilities, and ensuring our application meets the highest security standards for enterprise and government customers. You'll also leverage AI to build innovative security tools that enhance our vulnerability detection, automate security workflows, and accelerate threat response. If you're passionate about web application security and want to make a direct impact on protecting critical infrastructure while pushing the boundaries of AI-powered security, this is the role for you.
What You Will Be Doing
Lead security hardening efforts across Kibana's codebase and infrastructure, including content security policy implementation and enforcement
Build AI-powered tools and workflows to enhance security operations, including automated vulnerability detection, intelligent security alert triage, and predictive threat analysis
Manage third-party dependency security through regular audits, vulnerability assessments, and coordinated upgrades
Collaborate with security researchers and respond to vulnerability reports with urgency and thoroughness
Design and implement security controls for authentication, authorization, and auditing features
Work closely with Operations and Engineering teams to ensure security best practices across our hosted and on-premise offerings
Contribute to threat modeling and security architecture decisions for new features
Write secure, maintainable code for both client and server-side components


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