Senior Fullstack Developer

What's Guardio?

Guardio is a B2C cybersecurity startup offering security and privacy solutions directly to consumers - regular people, not corporate companies. We develop products you’d want for yourself, your parents, family, and friends. Our goal is to protect real people from cyber problems and crime. We try and avoid buzzwords, but sometimes those keywords are necessary: we help our customers avoid and combat the modern world’s security threats, like phishing, financial scams, malware, browser hijacking, identity theft, data leaks, and a whole lot more.

Guardio is a relatively small company (we just passed 80 people) on a rapid growth path, and we’re looking for core team members to join our team. We already have well over a million registered customers and plenty of new products and features in the pipeline.

Let's cut to the chase. What's the job?



We are looking for a Fullstack Developer.

You will:

• Work with amazing teams across Product, DevOps, Security, Content, and Design to bring new features and ideas to life.
• Develop robust, high-performance web and mobile applications using React/React Native (TypeScript) and Python that enhance user security and privacy.
• Tackle high-scale, low-latency challenges and process big data, using A/B testing to optimize user acquisition flows.
• Own the full development process—from ideation to production deployment—ensuring seamless and engaging user experiences.
• Continuously innovate by exploring new tools and techniques, while upholding quality and security through rigorous testing and code reviews.
  
  

• 5+ years as a Fullstack Developer, delivering production-grade solutions from initial commit to launch.
• Deep expertise in TypeScript, React, and Python; bonus points if you have mobile app experience with React Native.
• Strong sense for UI/UX and a hands-on problem solver who loves getting their hands dirty.
• A team player who thrives in agile environments, is self-motivated, and consistently turns challenges into effective solutions.
• Bonus: Familiarity with web cybersecurity fundamentals and experience with relational and NoSQL databases like BigQuery, MySQL, or Redis.
  
  

• React + React Native (using TypeScript)
• Python
• Google Cloud using K8S.
• MySQL + Redis + Bigquery
• Thinking of a great addition? Let's do it.