We are looking for a Fullstack Engineer with proven experience in Nuxt, Symfony, and in a less extent Go. This role is your chance to help shape the future of our user-facing applications and internal tools that power global justice through technology.

You’ll play a key role in developing seamless and elegant user experiences, while also contributing to the stability and scalability of our backend systems. You’ll work across the stack — from crafting frontends with Nuxt (Vue) to integrating and extending APIs with Symfony.

At Jus Mundi, you’ll be part of a cross-functional squad, collaborating closely with product, design, and data teams to bring ideas to life and solve meaningful problems. This is a hands-on role with lots of autonomy and room for impact as we continue to grow.

📌 Key Responsibilities:

• Design, develop, and maintain features across the full stack with a strong focus on performance, usability, and scalability.

• Build responsive, accessible, and efficient user interfaces using Nuxt 3 (Vue).

• Work on backend logic and API integrations using Symfony and PHP.

• Collaborate with backend engineers to design clean and efficient APIs.

• Contribute to the migration and refactoring of legacy code into modern, maintainable services.

• Write clean, testable, and well-documented code following best practices.

• Participate in code reviews, RFCs, and technical design discussions.

• Share knowledge with the team.

• Ensure smooth CI/CD processes and contribute to deployment workflows.

• Keep dependencies up-to-date and ensure code quality and performance across the stack.

📌 Required Skills and Qualifications:

• Proven experience with Vue/Nuxt (preferably Nuxt 3) and modern frontend development practices.

• Good understanding of Symfony/PHP and backend development principles.

• Ability to design and consume RESTful APIs.

• Proficiency in HTML, CSS, and JavaScript/TypeScript.

• Familiarity with database systems such as Postgres and tools like Docker.

• Understanding of web performance, accessibility, and responsive design.

• Experience with Git and modern development workflows (CI/CD).

• Excellent communication and problem-solving skills.

• Comfortable working in a collaborative, agile environment.

📌 Preferred Experience:

• 5+ years of experience in your field.

• Proven experience working in startups, scale-up or fast-paced environments.

• 30 minutes call with our HR Screening call with our Talent Acquisition Manager to understand your career plans and show you what we are doing at Jus Mundi

• 1-hour meeting with our CTO or your future manager to talk about the Job and the Squad

• One or two technical tests, either on site or remote, regarding your availabilities

• Come and meet the team in our office located in the 8ᵉ arrondissement: A moment of exchange and discovery during which you’ll meet various people (engineer, data, designer, product).

• Need More Reasons to Join Us? ✨

  • 💻 Enjoy a hybrid working organization that combines remote and on-site work.

  • 🏖 Benefit from 5 weeks of vacation annually.

  • 🍼 Take advantage of paid parental leave.

  • 🩺 Receive 100% coverage of private health insurance for yourself and your children.

  • 🚊 Get 50% reimbursement of your transportation costs.

  • 🍴 Enjoy 60% company-funded restaurant vouchers for your weekday meals (Swile).

  • 💰 Receive a competitive salary.

  • 😍 Participate in company-wide summits called JM Fest to connect and inspire.

  • 🌍 Enjoy the flexibility to work from anywhere across the globe for up to 8 weeks per year.

  • 📚 Profit from our support in ongoing training to continually expand your skills and knowledge.

  • 💙 Last but not least: Experience a commitment to building a warm, inclusive, and diverse environment.

    Confidence can sometimes hold us back from applying for a job. But we’ll let you in on a secret: there’s no such thing as a ‘perfect’ candidate. So however you identify and whatever background you bring with you, please apply if this is a role that would make you excited to come to work every day.