Malwarebytes Logo

Malwarebytes

Principal Software Engineer

Reposted 15 Days Ago
Remote
Hiring Remotely in Ireland, IRL
Expert/Leader
Remote
Hiring Remotely in Ireland, IRL
Expert/Leader
Develop and architect features for Malwarebytes Browser Guard, serving millions of users. Write high-quality, tested code; design integrations; collaborate with Product, UX, and QA; review code; mentor engineers; and support delivery of the product roadmap. The role emphasizes React, JavaScript/TypeScript, Go, debugging, system architecture, AI workflows, user-centric design, and strong communication.
The summary above was generated by AI

Malwarebytes is reimagining security to safeguard devices, data, and people — no matter their location, lifestyle, or means. What began in 2008 with one person helping another remove a malware infection has grown into a global leader in online protection, with an all-in-one suite of cybersecurity, privacy, and identity protection solutions that empower millions of people worldwide to enjoy their digital lives, free from threats and scams.



About Malwarebytes Inc.

Our portfolio has grown far beyond malware removal into a full suite of award-winning cybersecurity, privacy, and identity solutions, from the free tools that have long served as a first line of defense to newer options for identity protection and personal data removal. The threat landscape keeps getting faster, stealthier, and more sophisticated, and we believe protection should be both powerful and refreshingly simple — because security that's too hard to use doesn't get used. Built and beloved by experts, we combine world-class threat research with proprietary, AI-powered processes to deliver powerful digital protection that's always by your side.


Malwarebytes is looking for..

Our team is looking for a collaborative, motivated, and inspiring individual to join our Browser Guard engineering team as a Principal Software Engineer. Browser Guard is an award-winning browser extension with over 15 million weekly active users. We are looking for someone who is team-oriented, always learning, has a "can-do" attitude and is performance-minded. The ideal candidate should be one who takes ownership and is always looking for ways to improve our products. Being a distributed team, we believe in strong autonomy and trust in our engineers.

What You Will Do:

  • Develop next generation features to protect our consumers
  • Write amazing code, using best practices and the latest technologies
  • Ensure you deliver quality code by writing design documents and unit tests
  • Collaborate with Product, UX and QA to deliver an ambitious roadmap on time and with high quality
  • Design and develop key integrations between Malwarebytes' systems and products
  • Support your fellow team members: mentor, proactively communicate & code review
  • Work as a team to ensure everyone meets their goals


Skills You'll Need to Have:

  • Strong understanding of data structures, algorithms, and common design patterns
  • React, JavaScript (TypeScript), and Go chops
  • Experience architecting projects used by millions of clients
  • AI workflows without quality degradation • Experience working with Git
  • Experience in regular code reviews, giving and receiving professional feedback
  • UX and user-centric mindset
  • You have an instinct for writing tests
  • You manage your tasks very well and do an excellent job of estimating work
  • Excellent debugging and troubleshooting skills
  • Excellent communication and learning skills
  • Positive team attitude


Perks & Benefits:

  • Private Health Insurance - Comprehensive medical, dental, and vision insurance coverage, subject to change by country/region
  • Wellness programs
  • Winter break between Christmas and New Year - 4 extra days in 2026
  • A great work environment that supports growth, development, and well-being

 An opportunity to do something great for yourself and the world


Similar Jobs

Yesterday
Remote
Expert/Leader
Expert/Leader
Cloud • Security • Software • Generative AI
Leads the roadmap, architecture, and adoption of CI/CD and release infrastructure. Identifies pipeline bottlenecks and security risks, designs scalable release gates, and directs engineers through complex cross-organizational projects. Oversees supply-chain and release incidents, drives continuous improvements, mentors engineers, establishes technical standards, and remains hands-on with code reviews, prototypes, debugging, and production issue resolution.
Top Skills: AIArgo CdBuildkiteCi/CdGithub ActionsGitopsKubernetes
19 Days Ago
Remote
Entry level
Entry level
Cloud • Security • Software • Generative AI
Lead the technical vision and development of Elasticsearch’s core search infrastructure, including indexing, retrieval, query execution, relevance, and distributed systems. Research search algorithms and data structures, guide technical roadmaps, mentor expert engineers, collaborate across teams, and contribute hands-on to high-performance Java software. The role requires deep expertise in Elasticsearch, Lucene, or Solr, strong communication, autonomy, and experience operating large-scale search platforms.
Top Skills: Continuous IntegrationDistributed SystemsElasticsearchGitJavaLuceneSolr
One Month Ago
Remote
Entry level
Entry level
Cloud • Security • Software • Generative AI
Lead development of Elasticsearch vector similarity search capabilities, including designing and implementing algorithms, data structures, and search features. Resolve complex bugs, improve code quality, and contribute to Lucene. Collaborate asynchronously with globally distributed engineers and open-source contributors, provide technical guidance, triage issues, and lead initiatives from design through delivery using modern Java.
Top Skills: Apache LuceneCassandraElasticsearchGitHnswIvfJavaMongoDBPostgresSlackSolrZoom

What you need to know about the Dublin Tech Scene

From Bono and Oscar Wilde to today's tech leaders, Dublin has always attracted trailblazers, with more than 70,000 people working in the city's expanding digital sector. Continuing its legacy of drawing pioneers, the city is advancing rapidly. Ireland is now ranked as one of the top tech clusters in the region and the number one destination for digital companies, with the highest hiring intention of any region across all sectors.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account