Senior Software Engineer

At Fidel API (Permanent), in Lisbon, Portugal

Salary : €60.000 - €70.000

Expires at : 2026-06-16

Remote policy : Full remote

As a software engineer, you’ll be responsible for writing, testing and getting software production-ready. You’ll also be asked to run small PoCs to test concepts and improve the way we write software and solutions.

Security is an important requirement for Enigmatic Smile and Fidel API, so adherence to our PCI and ISO policies is a must for all requests and actions.

Enigmatic Smile is a fintech scale-up with Fidel API as a standalone operation within the Engineering Team. Fidel API is a distributed team with a base in Lisboa, Portugal. Our customers are worldwide, and each country has different requirements we support through our platform. We are a visionary company looking to enable consumers, retailers, rewards publishers and banks around the world to improve customer experience.

Main requirements

Objectives of this role

• Writing high-quality software, that is both scalable and robust
• Conduct Code Reviews; Thoroughly analyse peers’ code submissions, identify potential issues, and offer actionable suggestions for improvement.
• Upholding code and application quality levels including writing automated tests.
• Assist in project planning, solutioning and decision-making for development initiatives.
• Contribute to ongoing continuous improvement with technical and process matters within the team.
• Ensure security compliance, including best practices for PCI DSS and ISO27001.
• Own the systems you work on, ensuring long term maintainability, scalability and reliability

Required skills and qualifications

Skills needed by this team

Benefits & Perks

As a scaling company, our benefits are evolving. As a minimum, you can expect :