Principal Software Engineer - Browser Guard

New
FranceFull-TimePrincipal
Salary75,000 - 80,000 EUR per year
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Job Details

Required Skills
GitSoftware ArchitectureTypeScriptAlgorithmsGoReact

Requirements

  • Proven experience developing large-scale product applications using React, TypeScript, and Go.
  • Strong expertise in software architecture, system design, algorithms, data structures, and modern design patterns.
  • Demonstrated success building and scaling products serving millions of users.
  • Hands-on experience incorporating AI-assisted development workflows into professional software engineering practices.
  • Strong commitment to code quality, automated testing, debugging, maintainability, and continuous improvement.
  • Proficiency with Git, collaborative development workflows, and peer code review processes.
  • Excellent communication and interpersonal skills with experience mentoring engineers and collaborating across multidisciplinary teams.
  • Self-driven mindset with strong ownership, problem-solving abilities, and the confidence to lead complex technical initiatives.

Responsibilities

  • Design, develop, and deliver next-generation security features for a high-traffic browser extension serving millions of active users.
  • Build scalable integrations across products and systems while ensuring performance, reliability, and maintainability.
  • Lead architectural discussions and make strategic technical decisions that support long-term product growth.
  • Write clean, efficient, and well-tested code using modern engineering practices and development methodologies.
  • Collaborate closely with cross-functional teams including Product, UX, QA, and Engineering to deliver roadmap priorities.
  • Mentor software engineers through technical leadership, code reviews, knowledge sharing, and engineering best practices.
  • Solve complex software engineering challenges involving system design, algorithms, and scalable distributed applications.
  • Leverage AI-assisted development tools responsibly to improve engineering productivity while maintaining exceptional code quality.
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75,000 - 80,000 EUR per year
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