Senior Full-Stack Engineer

About the Position

Bitdefender, a global leader in cybersecurity, is seeking a motivated Senior Full-Stack Engineer (backend-focused) to join our engineering team. As part of a high-growth cybersecurity company, you will design and build product features that bring Bitdefender's cutting-edge security technologies to millions of users worldwide. You will have the opportunity to gain insights into how Bitdefender protects and defends against malicious hackers for small businesses, large enterprises, and law enforcement agencies.

Responsibilities

• Lead the technical design and delivery of complex features and services, making sound architectural decisions and documenting important trade-offs.
• Own features throughout their lifecycle, from discovery and implementation to testing, deployment, monitoring, and ongoing improvement.
• Deliver new capabilities while maintaining, improving, and scaling existing applications and data-processing services.
• Monitor production systems, troubleshoot complex issues, participate in incident response, and implement improvements that prevent recurrence.
• Collaborate with engineering, product, QA, security, and other stakeholders to clarify requirements, manage technical risks, and deliver successful outcomes.
• Provide thoughtful code and design reviews, mentor other engineers, and help improve engineering practices across the team.
• Use AI-assisted tools, automation, and appropriate new technologies to improve engineering quality and efficiency without introducing unnecessary complexity.

Requirements

• Bachelor's degree in computer science, engineering, or a related field, or equivalent practical experience.
• At least five years of software engineering experience and a proven track record of independently delivering complex production systems.
• Proficiency in one or more of Python, PHP, TypeScript/JavaScript, SQL / NoSQL databases.
• Experience designing, building, troubleshooting, and operating cloud-based applications and distributed services.
• Ability to write secure, maintainable code and apply appropriate automated testing practices.
• Comfortable working with ambiguous requirements, identifying risks, making technical trade-offs, and developing a practical path toward delivery.
• Strong communication skills to support other engineers through mentoring, feedback, documentation, and knowledge sharing.
• Ability to balance delivery speed with quality, maintainability, technical risk, and long-term product needs.
• Growth mindset and proactive identification of opportunities to automate repetitive engineering tasks, improve team efficiency, and expand capabilities.
• Experience building or integrating AI-powered systems into production applications, with an understanding of how to evaluate their performance, reliability, security, and practical value.

Nice to Have

• Experience working effectively in distributed or remote-first teams.
• Experience building cloud products, particularly in cybersecurity, cloud security, or endpoint protection.
• Experience with CI/CD pipelines, containers, and Kubernetes.
• Experience with MongoDB, Redis, or large-scale database systems.
• Hands-on experience with AWS, Azure, or GCP services and cloud-native architectures.
• Experience developing or integrating AI-powered solutions.

We Offer

• Opportunity to work with a leading cybersecurity company.
• Be part of a dynamic and innovative team.
• Competitive salary and benefits package.
• Professional growth and development opportunities.

About the Company

Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide. 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 Bitdefender.