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Joppy

Frontend Developer (Javascript/Typescript)

Joppy
Spain · Full-time · Mid-Senior

One of the companies we collaborate with at Joppy, a TOP Cybersecurity startup, is looking for a Frontend Developer to join the team.


Work modality: Hybrid in Barcelona.


We are looking for a Frontend Developer with a proven track record in production-level applications. As part of our team, you’ll lead the development and architecture of a groundbreaking cybersecurity platform. You’ll be responsible for designing new features, improving security and performance. This role involves both remote work and regular in-person collaboration in our offices in Barcelona.


What You’ll Do

• Develop, test, and maintain highly scalable and secure frontend applications.

• Ensure best practices for cybersecurity are followed throughout the development process.

• Participate in code reviews and mentor junior developers.


What We’re Looking for in a Developer

  • Strong proficiency in JavaScript / TypeScript.
  • Hands-on experience with modern frameworks (SvelteKit, Nuxt, NextJS, or similar).
  • Experience with SvelteKit (Svelte 5) is highly valued, but not mandatory.Framework flexibility and solid understanding of modern frontend architectures is a must.
  • Proficiency in Tailwind CSS and responsive, accessible UI development.
  • Solid background in Vite or other modern build tools.
  • Proven experience with unit tests and end-to-end tests (preferably with Playwright).
  • Strong knowledge of AWS cloud services (S3, CloudFront, Lambda, Amplify, etc.).
  • Experience setting up and maintaining CI/CD pipelines with GitLab.


Nice-to-Haves

  • Familiarity with security best practices and performance tuning.
  • Excellent problem-solving skills and ability to work in agile, collaborative environments.


Soft skills

  • • Good level of English, Spanish will also be valued
  • • Ability to communicate well with peers
  • • Capacity to take initiative
  • • Sense of ownership and accountability for driving results


Perks

• Hybrid work environment (remote and regular in-person work in our Barcelona offices).

• Work on exciting, impactful projects and grow with the company.

• A dynamic, innovative team where your contributions are valued.

• Competitive salary and benefits package.


About Joppy

Joppy is a technology recruitment platform built for developers by developers.

✅ No CV is required. Just say what you know and what you want.

✅ Anonymous profile by default.

✅ You choose who can talk to you. Companies cannot write to you until you accept their offer.

✅ Only relevant offers that match your preferences. No more Javascript offers for Java developers.

✅ Get rewarded if you get hired.

Keep an eye on tech job opportunities anonymously and find the job that makes you happy.

Key Skills

Ranked by relevance

cybersecurity javascript responsive svelte cloud java s3 ui
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Posted
Oct 16, 2025
Type
Full-time
Level
Mid-Senior
Location
Greater Barcelona Metropolitan Area
Company
Joppy

Industries

Technology Information Internet

Categories

Information Technology

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