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Principal Full-Stack Engineer – Contract
Location
United Kingdom
Posted
134 days ago
Salary
€85 / hour
Seniority
Lead
Job Description
Principal Full-Stack Engineer – Contract
Xcelirate - We’re Hiring!
• 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.
Job Requirements
- 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 containerized 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
Benefits
- €85/hour + 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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