Bitdefender

Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide. Guardian over millions of consumer, enterprise, and government environments, Bitdefender is one of the industry’s most trusted experts for eliminating threats, protecting privacy, digital identity and data, and enabling cyber resilience. With deep investments in research and development, Bitdefender Labs discovers hundreds of new threats each minute and validates billions of threat queries daily. The company has pioneered breakthrough innovations in antimalware, IoT security, behavioral analytics, and artificial intelligence and its technology is licensed by more than 180 of the world’s most recognized technology brands. Founded in 2001, Bitdefender has customers in 170+ countries with offices around the world. For more information, visit https://www.bitdefender.com

JOB DESCRIPTION:

Millions of users rely on Bitdefender products every day to safeguard their digital identities. We are seeking a skilled and experienced Web Developer to join our growing team. As a key developer, you will be responsible for designing, developing, and maintaining high-quality frontend apps that interact securely and seamlessly with our backend systems.

The ideal candidate will have a strong background in building browser-based software, proficiency in JavaScript/TypeScript, experience with browser extension APIs (Chrome, Firefox, Safari), and a solid understanding of client-side data security.

JOB RESPONSIBILITIES:
- Design, develop, test, and maintain browser extensions for Chrome, Firefox, Edge, and Safari using JavaScript/TypeScript.
- Work closely with backend and product teams to translate business requirements into technical solutions.
- Ensure cross-browser compatibility and handle platform-specific extension behavior.
- Integrate with RESTful APIs to access encrypted user data.
- Write clean, efficient, and maintainable code following best practices and security standards.
- Collaborate with UI/UX designers to deliver intuitive and accessible user experiences.
- Participate in code reviews and security audits to ensure code quality and data protection.
- Troubleshoot issues, perform root cause analysis, and implement robust fixes.
- Stay current with browser extension policies, trends in web privacy/security, and best practices.
- Collaborate with QA to ensure reliability and performance across supported browsers.

REQUIREMENTS:
- Proven experience developing browser extensions using JavaScript or TypeScript.
- Strong understanding of WebExtension APIs (Chrome, Firefox, Edge, Safari).
- Experience with secure client-side application development.
- Solid understanding of asynchronous programming, event-based systems, and browser storage models.
- Familiarity with RESTful APIs and JSON data handling.
- Experience with Git and modern development workflows.
- Solid logical and algorithmic thinking skills.
- Strong communication and teamwork abilities.
- Proactive and self-driven with the ability to work independently.

Ideally, you should have:
- Experience working on privacy- or security-focused applications.
- Experience with automated testing of browser extensions.
- Understanding of cross-origin communication and browser extension permissions.

It would be a plus:
- If you’ve worked on password managers or similar secure tools.
- If you have contributed to open-source browser extensions or security libraries.
- If you have experience with React, Angular, or other modern frontend frameworks used in extensions.