Principal Software Engineer — Browser Guard (Cybersecurity)

Malwarebytes; Bilbao; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Private Health Insurance - Medical,牙齿与

Wellness programs

Winter break between Christmas and New

A great work environment that supports

Job summary

Malwarebytes is seeking a Principal Software Engineer for the Browser Guard team. You will develop next generation features, write clear code with tests, and collaborate with Product, UX, and QA to deliver a bold roadmap while maintaining high quality.

You will mentor teammates and contribute to key integrations across Malwarebytes systems. The role requires ownership, strong communication, and a drive for performance-minded engineering.

Qualifications

• Experience with React, TypeScript and Go in production
• Experience architecting projects used by millions of clients
• Strong testing and debugging discipline

Responsibilities

• Develop next generation features for our Browser Guard products
• Write high-quality code with design docs and unit tests
• Collaborate with Product, UX and QA to deliver an ambitious roadmap
• Design and develop integrations between Malwarebytes systems and products
• Mentor teammates, communicate proactively and conduct code reviews
• Work as a team to ensure goals are met

Skills

Data structures

React

TypeScript

Go

Architecting systems

Git

Code reviews

UX mindset

Testing

Debugging

Communication

Team player

Tools

Git tooling

Job description

Malwarebytes is seeking a Principal Software Engineer for the Browser Guard team. You will develop next generation features, write clear code with tests, and collaborate with Product, UX, and QA to deliver a bold roadmap while maintaining high quality.

You will mentor teammates and contribute to key integrations across Malwarebytes systems. The role requires ownership, strong communication, and a drive for performance-minded engineering.