25Friday

25Friday is a consulting company specializing in the complete cycle of online product management. It has experts in investment, product management, development, architecture, QA, and infrastructure, allowing them to be the business and technology partner for startups.
About company

Software development engineer - php (medior)

Remote

location Porto, Braga, Aveiro

date April 23, 2026

types Full-time

Software Development Engineer Php Medior

We are hiring a Software Development Engineer to develop and maintain backend services in a production environment.

Responsibilities

  • Develop and maintain backend services in a production environment;
  • Build reliable and scalable backend logic with a strong focus on correctness and stability;
  • Continuously improve system architecture, code quality, and maintainability;
  • Ensure smooth integrations and data exchange between systems;
  • Write clean, maintainable, and well-tested PHP code following best practices;
  • Contribute to automated testing strategies to ensure high-quality production services;
  • Collaborate closely with product and technical leadership to align on requirements and priorities;
  • Identify performance and reliability issues and propose improvements;
  • Document technical decisions and improvements when relevant.

Requirements

  • 5+ years of experience building and maintaining backend systems in production;
  • Strong hands-on experience with PHP and frameworks such as Symfony or similar;
  • Experience working on evolving and improving existing systems in live environments;
  • Solid understanding of relational databases and data modeling;
  • Experience designing and consuming REST APIs;
  • Strong focus on code quality, testing, and maintainability;
  • Good understanding of performance, reliability, and error handling;
  • Comfortable working with complex business rules and data-critical systems;
  • Strong communication skills and ability to collaborate with multiple stakeholders;
  • Fluency in English is mandatory.

Benefits

  • In the heart of the city of Porto, Aveiro and Braga, you'll have an amazing office with a parking lot, lots of food and equipped kitchens.
  • We offer you a transport allowance and an Uber Eats weekly budget.
  • Health insurance (extendable to your household without extra costs), personal time off and flexible working hours.
  • Extra vacation days by longevity within the company and the possibility to work abroad for up to 6 weeks.
  • You will live our culture of learning - we are committed to your development so we love to share and learn with each other.
  • Each employee is rewarded with an Annual Bonus based on tenure.
  • You can further develop your English through private lessons.
  • You will emerge in a state of the art technology and exciting challenges.
  • We believe in building relationships at work, organizing several team outings and happy hours moments throughout the year.
  • And much more.

The position is Full-time and located in Portugal.