About The Role Casisid (a Fever company) builds the technology that powers on-site experiences at some of the largest live events worldwide. Casfid is the RFID, access control and cashless payments technology provider of Fever Group, enabling millions of attendees to enjoy seamless, real-time event experiences.We are looking for a Senior PHP Developer to join our Payments squad, where we design and build robust, scalable and secure platforms for payments, reconciliation and fiscal automation. You'll work in highly demanding environments, where software quality, reliability and adaptability are essential, and where technical challenges are part of everyday work.Key Responsibilities Be part of a multidisciplinary squad, focused on high concurrency, testability, best practices and efficiency.Design and develop robust and maintainable APIs for payment systems, reconciliation and fiscal process automation.Participate actively in architectural decisions, helping to build scalable, resilient systems.Implement high-concurrency workflows, with a strong focus on operational stability and traceability.Integrate external services that handle critical business logic.Contribute to test coverage, code reviews and controlled deployments through CI/CD pipelines.Work with AWS services such as SQS, CloudWatch and Lambdas, managing events, queues and metrics effectively.Collaborate closely with other technical teams using the Atlassian suite (Jira, Bitbucket, Confluence, SonarCloud), following a results-oriented approach focused on quality and continuous improvement.About You Be part of a multidisciplinary squad, focused on high concurrency, testability, best practices and efficiency.Design and develop robust and maintainable APIs for payment systems, reconciliation and fiscal process automation.Participate actively in architectural decisions, helping to build scalable, resilient systems.Implement high-concurrency workflows, with a strong focus on operational stability and traceability.Integrate external services that handle critical business logic.Contribute to test coverage, code reviews and controlled deployments through CI/CD pipelines.Work with AWS services such as SQS, CloudWatch and Lambdas, managing events, queues and metrics effectively.Collaborate closely with other technical teams using the Atlassian suite (Jira, Bitbucket, Confluence, SonarCloud), following a results-oriented approach focused on quality and continuous improvement.It would be a plus if you... Experience working in payment systems or financial platforms.Experience with event-driven architectures.Familiarity with DevOps-oriented teams and cloud-native environments.Experience working in high-traffic, real-time systems.Benefits & Perks Real FlexibilityAn environment where tech reigns supreme, not spreadsheetsDirect impact on products used by millionsGrowth, ownership, and zero unnecessary bureaucracyIn-house events and festivalsGreat atmosphere, serious challenges, healthy teamDiverse and inclusive cultureLunch Buddies: once a week, lunch is on usTaxDown tax filingPayflow for payroll advancesPaid absences for your birthday, prenatal checkups and childbirth preparation classes for the pregnant partner, and in case of hospitalization or death of your petIdsports Challenge: we support participation in sports challengesEnglish activities to improve your fluencyAbout The Process Fever aims to provide the best-fastest possible experience to our candidates. This is how it would look like:Talent Interview - 1h: An intro to Fever, our culture and a conversation about your background and experience.Technical Assignment: Your opportunity to demonstrate all you know! We would like to receive it back within 3 days.Team Interview - 1.5h: A discussion about your proposed solution to the technical challenge and your chance to make sure you know everything you need about Fever.Engineering Manager Interview - 1h: A deep dive into your technical expertise and your opportunity to ask anything you need to know about your day to day at Fever.Thank you for considering joining Fever. We cannot wait to learn more about you!If you want to learn more about us: Fever's Blog | Tech.Eu | TechCrunchFever is committed to creating an inclusive and diverse workspace where everyone's background and ideas count. Our main goal is to find the best possible talent regardless of place of birth, racial or ethnic origin, gender, gender identity, religion, opinion, sexual orientation, disability, pregnancy, marital status, age or caring responsibilities. We encourage everyone to apply!If you require any kind of accommodation during the selection process please contact our Talent team so we can help you by providing a welcoming and seamless journey.If you want to know more about how Fever processes your personal data, click here Fever - Candidate Privacy Notice
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