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Senior R&D Frontend Engineer

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Massy, Île-de-France Olfeo Temps plein

For over 20 years, Ekinops has been driving innovation in network systems. We provide solutions focused on the needs of communication service providers and enterprises worldwide.

We provide open, trusted and innovative network connectivity and enable our customers' success by delivering high value-added software-driven solutions. Today, over 120 international service providers, including numerous Tier 1 carriers around the world, trust our people and technologies.

Olfeo, a subsidiary of the Ekinops group is a renowned software editor with over 20 years of expertise, we lead the way in delivering innovative cybersecurity solutions. Our platforms secure web access for hundreds of organizations through advanced Security Service Edge (SSE) and Secure Web Gateway (SWG) features.

Duties and Responsibilities:

We are seeking an Expert Front-End Developer responsible for building, maintaining, and evolving the interfaces and tooling for our products. You will develop new features from concept to production, coordinate with various teams, and own the health of the front-end codebase, addressing technical debt, updating dependencies, and enhancing our custom development tools (especially schematics).

Key Responsibilities:

  • Develop and implement new user-facing features in compliance with design and technical guidelines
  • Coordinate with designers, product owners, and engineering domains for seamless feature delivery
  • Manage and maintain front-end repositories: resolve technical debt, keep dependencies up to date, and improve tooling
  • Evolve custom schematics to meet emerging project needs
  • Ensure high code quality via testing, documentation, and code reviews
  • Optimize application performance, accessibility, and responsiveness across devices
  • Collaborate within Agile teams and contribute to continuous improvement of development processes

Our product range is mainly:

  • Secure Web Gateway (SWG) - Advanced web traffic filtering, URL filtering, malware protection, and SSL/TLS inspection capabilities
  • Cloud Access Security Broker (CASB) - Comprehensive cloud application security, shadow IT detection, and data protection for SaaS environments
  • Data Loss Prevention (DLP) - Advanced threat detection and sensitive data protection across web traffic and cloud applications

Profile and skills:

To successfully carry out the role of a Senior R&D Security Engineer, a candidate should possess the following skills and qualifications:

Experience & Technical Skills

Required Experience

  • Minimum 5 years exclusively in front-end development (full-stack profiles considered with at least 7–10 years' overall experience)
  • Proven track record building and maintaining production-level web interfaces

Essential Skills

  • Advanced proficiency in vanilla JavaScript and TypeScript
  • Strong experience with HTML and CSS/SCSS for responsive, accessible interfaces
  • Solid command of Git for version control and code collaboration
  • Familiarity with web performance optimization and browser debugging tools

Desired Skills

  • Experience with one or more modern frameworks: Angular or Storybook are a plus, but not strictly required
  • Hands-on knowledge of manipulating the TypeScript Abstract Syntax Tree (AST) is a strong asset
  • Understanding of component-driven UI development and documentation tools

Language Requirement

Comfortable working in English (fluency required for documentation, code review, and team meetings).

Personal Qualities

  • Fully autonomous in managing complex technical tasks
  • Exceptional rigor and attention to clean, maintainable code
  • Passion for delivering high-quality work and continuous improvement
  • Excellent communication and collaborative skills
  • Strong mentoring ability and a commitment to team growth
  • Intellectual curiosity and proactive technical learning
  • Adaptability and resilience when facing technical challenges

Recruitment process:

At Ekinops, we believe diversity makes us stronger We hire talents based on skills, experience, and potential—nothing else. No matter your age, gender, background, or abilities, what matters to us is what you bring to the team. Join us and thrive in an inclusive, open-minded workplace where everyone has a voice

3 interviews minimum:

1st interview with our R&D SSE Director

2nd interview with VP Engineering Access

3rd interview with HR Recruiting Manager.