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 - node.js (medior)

Remote

location Porto, Braga, Aveiro

date July 16, 2026

types Full-time

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Software Development Engineer

As a

Key Responsibilities

  • Write clean, efficient, and testable code following software engineering best practices.
  • Participate in all stages of the software development lifecycle: analysis, design, implementation, testing, and maintenance.
  • Collaborate closely with developers, QA engineers, Product Managers, and Designers to deliver value to users.
  • Conduct code reviews and support the continuous improvement of development practices.
  • Troubleshoot and solve technical issues by proposing effective and sustainable solutions.
  • Work in an agile team, collaborating closely across locations.
  • Contribute to code reviews, technical documentation, and knowledge sharing within the team.

Required Qualifications

  • Degree in Computer Science, Software Engineering, or related field (or equivalent experience).
  • 5+ years of professional experience in backend software development.
  • Proficiency in TypeScript and Node.js; experience with GraphQL and MongoDB.
  • Experience with automated testing (unit, integration, end-to-end).
  • Experience with version control systems (e.g., Git).
  • Strong understanding of data structures, algorithms, and object-oriented design principles.
  • Experience working with REST APIs and NoSQL databases.
  • Hands-on experience with AI-assisted development tools (e.g., ChatGPT, Claude, Cursor, or similar).
  • Clear and effective communication skills, both verbal and written, with a good working level of English.
  • Ability to work collaboratively in cross-functional teams, including stakeholders in the Netherlands and Portugal.
  • Willingness to learn continuously and share knowledge with others.

Nice-to-Have Skills

  • Experience with Google Cloud Platform (GCP).
  • Knowledge of DevOps practices, CI/CD pipelines, and automation tools.
  • Familiarity with Agile methodologies (Scrum, Kanban).
  • Frontend development knowledge (e.g., React/TypeScript) — valued for cross-team collaboration.

Why you will love to work with us

  • 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. I know, right?! Going to the office has never been easier!
  • 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, alongside an annual budget for learning and development.
  • 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. That’s why we organise several team outings and happy hours moments throughout the year.
  • And much more.

Apply now to join our team!