**Our Purpose** *Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.* **Title and Summary** ### Senior Software Engineer (Full-stack Java+React) ### Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realise their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Dynamic Yield by Mastercard is seeking a Full-stack Engineer to join our team in Lisbon and help build innovative and inspiring end-user experiences. The role requires a collaborative mindset, a motivated spirit, and the experience to repeatedly innovate solutions. Dynamic Yield prides itself on delivering top-shelf services to clients; our Full-stack Engineer must design and implement scalable real-time systems. Dynamic Yield is rooted in collaboration and creativity, and a focus on delivering top-shelf services to clients, effective communication through multiple channels, and high-functioning interpersonal skills are critical for this role's success. Role - Collaborate with the team to define software requirements and specifications. - Design and implement low-latency, event-driven and scalable applications to analyse multiple data sources using technologies like Docker, Kubernetes, etc. - Debugging meaningful technical issues inside a very deep and complex technical stack involving Docker, micro services, etc. - Write clean, modular, and maintainable code that adheres to software development best practices. - Quality-focused and with a clear sense of ownership and reliability. - Stay up-to-date with emerging trends and technologies in software development. All About You - 5+ years of backend development experience, primarily with Java and JavaScript, preferably Spring Boot and React.js. - Strong technical skills and a passion for developing features end-to-end. - Understanding of product and a passion for building software that provides a great experience. - Experience in designing, developing, and testing scalable distributed systems. - Strong problem-solving skills and attention to detail. - Ability to work collaboratively in a team environment. - Familiarity with both relational (SQL) and non-relational databases like Redis and DynamoDB. Postgres, etc. - Experience with Docker, containers, and Kubernetes. - Experience with messaging technologies such as ActiveMQ, RabbitMQ or streaming technologies like Kafka. - Experience with AWS cloud technologies and administration such as S3, EC2, EKS, Lambda, and CloudWatch. - Good English, both written and spoken, is a must. ### ### **Corporate Security Responsibility** All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: - Abide by Mastercard’s security policies and practices; - Ensure the confidentiality and integrity of the information being accessed; - Report any suspected information security violation or breach, and - Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.