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 Proven experience as a software engineer on designing and developing scalable, high performance software solutions Proficiency with Git and ideally GitHub workflows Good knowledge of common development languages and tools Working knowledge of databases, both NoSQL / Document and SQL Problem‑solving attitude Collaborative team spirit Skills needed by this team AWS (we use Lambda, Cloud Formation, Dynamo DB, API Gateway and Step Functions) Languages / Frameworks : NodeJS, JavaScript, TypeScript Benefits & Perks As a scaling company, our benefits are evolving. As a minimum, you can expect : Fun work trips periodically, including meetups and events across UK and Europe. 26 days annual leave plus nine Scottish bank holidays Discretionary Bonus Pension contributions Training and certifications Medical cover Access to online training programes J-18808-Ljbffr