Fullstack Developer

Fullstack Developer | ComparaJá.pt – Lisbon (Hybrid)

About Us

ComparaJá.pt is a leading platform for aggregating and comparing financial products and services in Portugal. Founded in 2015 as part of the CompareEuropeGroup, we are now part of Samlino Group (samlinogroup.com). Operating across five European markets, our group empowered over 10 million users last year alone.

At ComparaJá.pt, our mission is to help Portuguese consumers make informed, confident decisions across all areas of personal finance—whether banking, insurance, or utilities—by providing easy access to unbiased, accurate information and free comparisons. Our vision is to become the go-to personal finance platform for consumers, partners, media, and other stakeholders, helping people identify and choose the best solutions for their needs—saving time and money in a simple and transparent way.

Job Summary

We're looking for a Fullstack Developer with a frontend focus to help design and build engaging, responsive customer-facing applications. You'll work on high-impact areas of our website and product interfaces, collaborating closely with design, UX, and development teams to deliver intuitive and performant user experiences.

If you love crafting clean interfaces and also enjoy diving into backend integration when needed, this is the role for you.

Key Responsibilities

• Develop and maintain backend systems, APIs, and data models for internal tools
• Implement responsive web interfaces based on UX and design specifications
• Build scalable solutions to support growing data volumes and operational complexity
• Collaborate with the product team to implement integrated features
• Optimize applications for speed, SEO, and cross-device performance
• Participate in feature planning and interface evolution
• Identify and fix bugs or performance issues across the stack
• Write clean, well-documented, and testable code
  
  

What We're Looking For

• 2+ years of frontend development experience
• Solid SQL skills (PostgreSQL preferred)
• Experience building and integrating RESTful APIs
• Familiarity with CI/CD and Agile development workflows
• Experience with AWS is a plus
• Optimize applications for speed, SEO, and cross-device performance
• Experience with A/B testing or analytics tools is a plus
• Comfortable collaborating across disciplines
• Fluency in Portuguese and English
  
  

What We Offer

• 🏠 Hybrid work model (Lisbon office + remote)
• ❤️ Health insurance
  
  
  
  

• 🍽️ Meal card
  
  
  
  

• 🚉 Transport subsidy
  
  
  
  

• 🌍 Opportunity to work on products seen and used by thousands of users daily
  
  
  
  

• 💡 Collaborative, fast-paced, product-focused team culture