Quick Summary
At Neobrain, we empower companies to structure, activate, and develop their talent through a next-generation Talent Management Suite. Our platform leverages performance data, skills analytics, and artificial intelligence to drive HR success.
We partner with HR Directors, Talent, and Training Departments to enhance:
- Performance management
- Skills mapping and strategic steering
- Internal mobility and career path development
- Employee upskilling and engagement
Trusted by over 1 million users and 65 enterprises, including LVMH, La Poste, Canal +, PwC, Natixis, BPCE, Bosch, CNP Assurances, and Promod, Neobrain is committed to transforming HR from an obligation into a strategic impact. We simplify key processes and unlock the full potential of every employee.
Why join Neobrain?
- Experience a stimulating environment where innovative ideas are encouraged and impact is visible.
- Work on concrete product and market challenges, addressing critical HR topics.
- Be part of a committed team focused on efficiency and results.
Joining Neobrain means contributing to an ambitious HR SaaS solution that drives enterprise transformation.
About the Position
We are seeking a skilled Senior Fullstack Developer to join our dynamic team. In this role, you will be responsible for the design, development, and maintenance of robust, high-performance, and scalable web applications across both backend and frontend systems.
You will play a key part in evolving an existing HRIS solution, applying a Domain-Driven Design (DDD) approach. Collaborating closely with product teams, you will deliver modern, maintainable, and quality-focused solutions.
Main Responsibilities
- Develop and maintain server-side web applications using PHP 8.3, Symfony 7.4, and Symfony 5.4.
- Develop and maintain client-side web applications with VueJS 3, Twig, and jQuery.
- Implement modular architectures based on Domain-Driven Design (DDD) principles.
- Integrate third-party services via REST APIs.
- Optimize applications for performance, security, and scalability.
- Actively collaborate with product teams throughout the development lifecycle.
- Write clean, readable, documented, and maintainable code.
- Conduct code reviews and develop comprehensive unit and functional tests.
- Identify, analyze, and resolve anomalies, from root cause to deployment.
Our Technical Stack
- Backend: PHP 8.3, Symfony 5.4 & 7.4
- Frontend: Vue.js 3, Vite 8, Twig, jQuery
- Databases: MySQL 9.5, PostgreSQL 18
- Infrastructure & Cache: Elasticsearch 8, Redis, RabbitMQ
- Concepts & Patterns: SOLID, OOP, DDD, REST API, TDD/BDD
- Methodology: Agile Methods
Desired Profile
Experience
- A confirmed professional profile with a minimum of 4 years of overall experience.
- Significant expertise in PHP and the Symfony framework.
- Proven experience as a Fullstack Developer with Vue.js 3.
Hard Skills
- Excellent command of Object-Oriented Programming (OOP), SOLID principles, and Design Patterns.
- Strong knowledge of relational databases and related tools (e.g., Redis, RabbitMQ).
- Proficiency in API design and integration (REST).
- Experience with modern testing frameworks (e.g., PHPUnit, Behat, Vitest).
- Professional English proficiency.
- Comfortable with versioning tools (Git) and Agile work environments.
- Good understanding of generative AI tools for software development (code assistants, review aids, test generation).
- Knowledge of or interest in the MCP protocol for connecting AI assistants to internal tools.
Soft Skills
- Strong commitment to code quality, testing, and best practices.
- Autonomous, rigorous, and flexible work ethic.
- Creativity and an innovative mindset.
- Excellent analytical and synthesis capabilities.
- Strong team spirit and collaborative approach.
Why Join Us?
- Play a pivotal role in the development and evolution of our products and technical stack.
- Be part of a mission-driven company, BCorp certified, and recognized as a Great Place To Work, with a strong commitment to CSR.
- Thrive in a demanding yet human-centric tech culture built on accountability, trust, and high code quality.
- Join cohesive teams focused on impact, efficiency, autonomy, and continuous improvement.
- Enjoy a stimulating technical environment and a flexible work framework.
- Benefit from perks like free coffee, snacks, Swile, mutual insurance, and engaging internal events.

