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Senior Front-End Developer

Senior Front-End Developer

Cynomi LtdLondon, England, United Kingdom
11 days ago
Job type
  • Full-time
Job description

Join to apply for the Senior Front-End Developer role at Cynomi

We are seeking a Senior Front-End Developer to join our growing in-house engineering team and work on our user-facing React-based vCISO platform. As a senior team member, you will contribute to shaping the future technical direction of our front-end codebase, deliver new features and improvements, and mentor junior colleagues. The ideal candidate will be passionate, self-motivated, with significant web development experience, capable of working in a fast-paced environment to support business success.

About us :

Cynomi is a fast-growing, Silicon Valley VC-backed cybersecurity startup. Our SaaS product is used globally by hundreds of service providers. Operating across three continents, we lead the vCISO market with our AI-powered platform, enabling high-quality cybersecurity services for MSPs and MSSPs.

Key Responsibilities :

  • Develop, test, debug, and maintain features, ensuring high-quality, efficient code.
  • Research and promote new front-end technologies and methodologies to improve processes and influence architecture decisions.
  • Transform requirements and mockups into robust, high-quality code, providing technical insights and addressing constraints.
  • Collaborate with back-end developers for seamless integration.
  • Design and develop performant, scalable, accessible React components following best practices.
  • Monitor and optimize application performance.
  • Mentor and guide junior colleagues, supporting their growth.
  • Maintain code health through refactoring, optimization, and regular updates.
  • Participate in code reviews to uphold standards and quality.
  • Stay current with industry trends, contributing to team discussions on standards and innovations.
  • Contribute to sprint planning, ticket management, retrospectives, and team meetings.

Requirements :

  • BSc / MSc in Computer Science or equivalent experience.
  • At least 4 years of professional front-end experience with React and TypeScript.
  • Strong understanding of web technologies including HTML, CSS, and JavaScript (ES6+).
  • Solid knowledge of TypeScript, React core concepts, and ecosystem libraries.
  • Experience with testing frameworks like Jest / React Testing Library.
  • Proven ability to integrate with RESTful APIs.
  • Proficiency in Git and collaborative workflows.

    • Advantages :

  • Experience with advanced React libraries and tools like Tanstack Query and Table.
  • Knowledge of SSR frameworks like Next.js, styling solutions like Styled Components or Tailwind CSS.
  • Experience with charting libraries, form management, component libraries, and build tools like Vite.
  • Real-time data handling with WebSockets, web accessibility standards, and back-end development exposure.

    • Additional Details :

  • Seniority level : Mid-Senior level
  • Employment type : Full-time
  • Industry : Computer and Network Security

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    Senior Frontend Developer • London, England, United Kingdom