Programador/a Senior Backend PHP

Grupo NS, a technology consulting and engineering firm with over 20 years of IT experience, is hiring a Senior Backend PHP Programmer to join our Support Team for Payment Media projects. This is a long-term, 100% remote position (within Spain), offering a technically advanced and collaborative environment.

Main Functions

• Backend application development and maintenance in PHP.
• Integration and support of payment media APIs.
• Process automation and Shell script development.
• Work with SQL databases (MySQL/MariaDB).
• Web Scraping tasks (HTTP requests, data extraction, using tools like Playwright or Puppeteer).
• Collaboration in incident resolution and technical support.
• Participation in continuous improvement of processes and technical documentation.

Conditions

• Schedule: 9:00 to 18:00 (full day, year-round).
• Modality: 100% remote work.
• Duration: Long-term.
• Reference Location: Madrid (Madrid labor calendar applies).

About Grupo NS

At Grupo NS, we invest in talent, innovation, and professional development. We are a solid company with national and international presence, specializing in advanced technological solutions and digital transformation projects.

Required Qualifications

• Minimum 5 years of programming experience in PHP.
• Solid knowledge in:
  • SQL (MySQL / MariaDB)
  • Shell Scripts
  • Linux (CentOS, Debian, Ubuntu, WSL)
  • HTML, JavaScript, jQuery, SOAP, Ajax, DOM, Node.js
  • API Integration (preferably payment media)
  • Web Scraping (HTTP requests, Playwright, Puppeteer, etc.)
• Experience in web front-end development.
• Good communication skills (reading, writing, and speaking).

Valuable Knowledge

• .NET Core
• Web servers (Apache, NGINX)
• Proxies (HTTP, SOCKS)
• Kubernetes
• Cryptography and SSL certificates, encryption and decryption algorithms.
• Other programming languages.
• Experience in payment media.
• Knowledge of Agile methodologies (Scrum, Kanban).

Education

• University degree or Higher Vocational Training.
• Official certifications in required languages or tools will be valued.
• OWASP course (mandatory per DORA regulations, can be completed after onboarding).

Personal Competencies

• Punctuality and commitment.
• Self-management and teamwork skills.
• Initiative to propose improvements and conduct client meetings.
• Results orientation, discipline, and responsibility.
• Willingness to learn and collaborate in dynamic environments.