Java 17+ (Spring, Hibernate) for backend development Good understanding of software design patterns Experience with Spring Framework and Spring Security Skilled in RESTful API Development Familiar with Hibernate ORM and performance optimization Familiar with SLF4J, Log4J, and application monitoring Solid frontend knowledge of Angular and frontend technologies (HTML, CSS, TypeScript) Proficient in PostgreSQL or similar relational databases and SQL Proficient in unit testing with JUnit and Mockito Proficient with Maven build tool Commercial experience with AWS Services (beyond EC2, S3) Experience with microservices, serverless architectures, EventBus, SOA Experience with Docker and good understanding of ECS, EKS Skilled and experienced with CI/CD pipelines and AWS CodePipeline, CodeBuild Good understanding of AWS CDK/Terraform Good communication skills, team collaboration abilities, and results-driven mindset Ability to work independently in a remote environment Very good command of English (spoken and written) Native/Bilingual Polish