Extensive experience (10+ years) in building server-side applications and knowledge of relevant programming languages. Sound knowledge of a backend framework such as Spring/Spring Boot. Experience with running microservices and implementing RESTful APIs. Background in engineering scalable solutions in a cloud-native setup. Mindset for delivering secure, well-tested, and well-documented software. Ability to oversee code and processes from development to production. Exposure to payment services and integration with third-party providers. Experience with relational databases and comfortable in an agile environment.