Java Backend Developer with AWS

About Wissen Technology Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains. For more details: Website: www.wissen.com Wissen Thought leadership : https://www.wissen.com/articles/ LinkedIn: Wissen Technology Role: Java Backend Developer with AWS Key Responsibilities Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem. API Design: Develop and document RESTful for consumption by web and mobile frontends. Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases. Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency. Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito). Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes. Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications. Required Technical Skills Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API. Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate. Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS). Messaging: Experience with message brokers like Apache Kafka for asynchronous processing. CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions. Version Control: Expert-level knowledge of Git and branching strategies. Qualifications & Soft Skills Experience: 5+ years of professional experience in backend development. Problem Solving: Ability to debug complex production issues and performance bottlenecks. Communication: Excellent verbal and written communication skillsvital for a remote/hybrid contractor setup. Adaptability: Proven ability to quickly learn new codebases and business domains. About Wissen Technology Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains. For more details: Website: www.wissen.com Wissen Thought leadership : https://www.wissen.com/articles/ LinkedIn: Wissen Technology Role: Java Backend Developer with AWS Key Responsibilities Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem. API Design: Develop and document RESTful for consumption by web and mobile frontends. Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases. Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency. Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito). Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes. Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications. Required Technical Skills Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API. Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate. Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS). Messaging: Experience with message brokers like Apache Kafka for asynchronous processing. CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions. Version Control: Expert-level knowledge of Git and branching strategies. Qualifications & Soft Skills Experience: 5+ years of professional experience in backend development. Problem Solving: Ability to debug complex production issues and performance bottlenecks. Communication: Excellent verbal and written communication skillsvital for a remote/hybrid contractor setup. Adaptability: Proven ability to quickly learn new codebases and business domains.