Principal Full-Stack Engineer, Contract

Xcelirate (Paris, France) Suivre Publié il y a 4 heures

What will you be doing?

Manage your own time while adhering to priorities set by the company.
Own complex engineering problems end-to-end, from problem framing and design through to delivery and iteration.
Take responsibility for critical areas of the platform, ensuring they remain reliable, performant, and maintainable.
Build new features and improve existing ones across our platforms.
Refactor legacy and modern codebases pragmatically, balancing long-term health with delivery needs.
Write tests (unit, integration, and end-to-end) to ensure software reliability.
Be involved in every phase of the software lifecycle, from ideation to deployment.
Participate in (and at times lead) deep technical discussions, helping drive sound decisions and trade-offs.
Work hands‑on across backend and frontend systems, stepping in wherever the problem lives.
Identify inefficiencies and help streamline workflows, reducing unnecessary work.
Collaborate closely with other senior engineers, raising the bar through example rather than authority.
Take ownership of your work, ensuring high‑quality results and maintainable solutions.

What will you bring along?

15+ years hands‑on experience building and maintaining complex web applications
Clear technical communication; able to explain and defend design decisions to senior engineers and non‑engineers alike
Expert PHP developer (12+ years); Symfony or equivalent frameworks
10+ years modern JavaScript; React or Vue (Next/Nuxt a plus)
Expert level knowledge in at least one more programming language (Python a plus)
Full‑stack architecture expertise: monoliths, services, and hybrids
Power user cloud deployment and scaling (AWS preferred) experience and abilities
Expert Linux user; including daily containerised workflows with Docker
Expert in infrastructure automation: Terraform, Ansible
Power user level CI/CD pipeline and release workflow ownership
Experience in automated testing: unit, integration, E2E; TDD where appropriate
Expert level knowledge in and around web security fundamentals: auth, authorization, data protection, secure coding
Legacy + modern codebase fluency; ability to work on incremental modernization
Strong independent technical ownership and accountability

How We Support Our Contractors

An annualised rate of €139,000 + retention bonus scheme: Competitive contractor rate with a generous bonus paid every 6 months based on your time with us.
Top‑Notch Workstation: We provide the latest MacBook, branded merchandise, and everything you need for an optimal work environment.
Global Co‑Working Access: Work from a global network of co‑working spaces to keep your work‑life dynamic and flexible.
Flexibility: Enjoy full flexibility in work location and hours, supporting a work‑life balance tailored to your needs.
Events and Gatherings: Participate in exciting events throughout the year, including team gatherings, cultural events, and other fun activities.

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