Senior Full-Stack Engineer
Summary
Senior full-stack (backend-focused) engineer at Bitdefender in Bucharest who leads the design, delivery, and operation of cloud security product features end to end — from architecture and implementation to monitoring, incident response, and mentoring. Core stack: Python/PHP/TypeScript/JavaScript, SQL/NoSQL, cloud platforms, CI/CD, and AI-assisted tooling.
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
You have a strong interest in cybersecurity technology and enjoy the fast-paced and dynamic culture of building in the Cloud. You have a builder mindset and are always curious about emerging cybersecurity technology.
You will have the rare opportunity to gain insights on how Bitdefender protects and defends against malicious hackers for millions of users worldwide, from small business to large enterprise and law enforcement agencies.
You are an individual who is humble, values feedback, is curious and eager to be part of a winning team.
About the Role
- 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.
- You have a bachelor's degree in computer science, engineering, or a related field, or equivalent practical experience.
- You have at least five years of software engineering experience and a proven track record of independently delivering complex production systems.
- You are proficient in one or more of Python, PHP, TypeScript/JavaScript, SQL / NoSQL databases systems and are comfortable contributing across frontend and backend systems.
- You have experience designing, building, troubleshooting, and operating cloud-based applications and distributed services.
- You write secure, maintainable code and apply appropriate automated testing practices.
- You are comfortable working with ambiguous requirements, identifying risks, making technical trade-offs, and developing a practical path toward delivery.
- You communicate concepts clearly and support other engineers through mentoring, feedback, documentation, and knowledge sharing.
- You balance delivery speed with quality, maintainability, technical risk, and long-term product needs.
- You have a growth mindset and proactively identify opportunities to automate repetitive engineering tasks, improve team efficiency, and expand your capabilities.
- You have experience building or integrating AI-powered systems into production applications, with an understanding of how to evaluate their performance, reliability, security, and practical value.
- 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.
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Skills
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Basics
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- For the purpose of this recruitment process for a position within Bitdefender, you agree that the personal data that you provide (including special categories of personal data, where necessary) can be processed by Bitdefender . Additionally, you agree that, for this purpose, your data can also be transferred to Bitdefender’s Processors and Subprocessors, if the reason of the transfer is relevant for your application; this includes the processing by service providers in countries outside the EU / the EEA. Further details regarding the handling of your personal data specified in the Bitdefender Data Protection Information Policy for Candidates are available here. We would also like to let you know that you may withdraw your consent at any time in your applicant profile or by reaching out to Bitdefender via email at privacy@bitdefender.com. Any legal provisions, which might allow the processing of your data despite a withdrawal of consent, remain unaffected. Proceeding with the recruitment process expresses your agreement to those terms&conditions.