Senior Full Stack Engineer (PHP/Symfony/Vue.js)

Mobile Locker NV; Zaventem; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Flexible hybrid work options

Competitive compensation package

Opportunities for continuous learning

Job summary

Mobile Locker NV (operating as Mobile Locker / Cu.be) is seeking a Senior Full Stack Engineer to design, build, and maintain scalable web applications with Symfony at the core. You will contribute to system architecture and solution design, ensuring security, performance, scalability and maintainability.

You will develop APIs and integrations, work across the stack with Vue.js on the frontend and PHP/Symfony on the backend, implement automated testing, and collaborate with DevOps on GitLab

Qualifications

• 10+ years of experience as a full stack or backend engineer.
• Strong expertise with Symfony and PHP ecosystem.
• Solid understanding of web architecture, design patterns, and best practices.
• Familiarity with relational databases (e.g., MySQL/PostgreSQL) and caching solutions.
• Comfort with asynchronous programming and distributed systems concepts.
• Experience with GitLab CI/CD pipelines and modern DevOps practices.
• Familiarity with containerization (Docker).
• Experience with automated testing tools and quality assurance workflows.

Responsibilities

• Design, build, and maintain scalable web applications with Symfony at the core.
• Contribute to system architecture and solution design, ensuring security, performance, scalability and maintainability.
• Develop APIs and integrations supporting asynchronous communication patterns.
• Work across the stack, with opportunities to contribute to frontend features (Vue.js) and backend services (PHP/Symfony).
• Implement and maintain automated testing strategies, ensuring high code quality and reliability.
• Collaborate with DevOps on CI/CD pipelines (GitLab) and contribute to deployment best practices.
• Mentor team members, share knowledge, and actively participate in technical discussions and code reviews.

Skills

Symfony

PHP ecosystem

web architecture

asynchronous programming

distributed systems

English

Tools

Docker

GitLab CI/CD

Vue.js

TypeScript

Job description

As a Senior Full Stack Engineer at Mobile Locker / Cu.be, you will:

• Design, build, and maintain scalable web applications with Symfony at the core.
• Contribute to system architecture and solution design, ensuring security, performance, scalability and maintainability.
• Develop APIs and integrations supporting asynchronous communication patterns.
• Work across the stack, with opportunities to contribute to frontend features (Vue.js) and backend services (PHP/Symfony).
• Implement and maintain automated testing strategies, ensuring high code quality and reliability.
• Collaborate with DevOps on CI/CD pipelines (GitLab) and contribute to deployment best practices.
• Mentor team members, share knowledge, and actively participate in technical discussions and code reviews.

What We’re Looking For

• 10+ years of experience as a full stack or backend engineer.
• Strong expertise with Symfony and PHP ecosystem.
• Solid understanding of web architecture, design patterns, and best practices.
• Familiarity with relational databases (e.g., MySQL/PostgreSQL) and caching solutions.
• Comfort with asynchronous programming and distributed systems concepts.
• Experience with GitLab CI/CD pipelines and modern DevOps practices.
• Familiarity with containerization (Docker).
• Experience with automated testing tools and quality assurance workflows.
• Excellent problem-solving skills and ability to work in a collaborative, agile environment.
• Strong communication skills in English.

Nice to Have

• Knowledge of TypeScript and Vue.js for modern frontend development.
• Python experience for hardware integration.
• Contributions to open-source projects or active involvement in developer communities.

• The chance to shape a platform used across the world.
• A collaborative, forward-thinking culture where your voice matters.
• Flexible hybrid work options.
• Competitive compensation package.
• Opportunities for continuous learning and professional growth.