Junius Khang is a seasoned backend developer with over a decade of experience in crafting scalable and high-performance applications across a variety of domains, such as e-commerce, transportation, digital banking, and social data analytics. He specializes in Java programming and extensively utilizes frameworks like Spring Boot and Apache Kafka to construct microservices and event-driven architectures. Junius has a proven track record in system migrations, specifically transitioning legacy monolithic applications to modern microservices and event-driven structures, thereby enhancing flexibility, scalability, and performance. He is highly experienced in building and integrating RESTful APIs for both mobile and web platforms, with a strong emphasis on optimizing performance and minimizing database interactions. His expertise encompasses a wide range of cloud technologies, including AWS (S3, Lambda, ECS, RDS), GCP, and Kubernetes, to develop and deploy highly reliable and fault-tolerant backend systems. Junius is also proficient in integrating third-party APIs, like Stripe, Twilio, and Contentful, to support payment processing, messaging, and content management. His skills in database management cover PostgreSQL, Cassandra, Oracle, and ElasticSearch, focusing on the processing and optimization of high-volume data. Furthermore, he has substantial experience in DevOps practices, employing tools such as Docker, Terraform, Kubernetes, and CI/CD pipelines to automate deployment and improve the development lifecycle. Junius is skilled in mentoring and leading teams, conducting code reviews, and providing technical guidance to junior developers. Additionally, he excels in performance monitoring with tools like DataDog, adept at identifying bottlenecks, optimizing code, and enhancing system reliability. Familiar with Agile methodologies, particularly Scrum, he is experienced in managing sprints, defining user stories, and ensuring effective collaboration among cross-functional teams. Junius is committed to delivering high-quality, maintainable backend solutions that align with business objectives and provide enduring value to users.