Senior JAVA Backend Engineer

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As the business is expanding, we are looking for a Java Backend Engineer to develop the platforms for the company as to provide excellent services to worldwide clients.

Technology involved:

• Java 11/17: We make use of some significant improvement feature in lasted Java LTS version(currently Java 11), such as Completable Future based framework, new GC, Java Flight Recorder;
• Microservice: Spring Cloud + Spring Boot. Our team is familiar with the source code and design of these frameworks and have made some contribution to the community. We have also upgraded Spring Cloud + Spring Boot to the latest version and have customized the framework to fulfil our demands. The library of implementation includes: Eureka, Spring Cloud Load Balancer, OpenFeign, WebClient, Resilience4j;
• Cloud-native Application: Our services are fully deployed on docker clusters managed by Kubernetes. And the deployment architecture is fully built upon AWS EC2 and EKS; 
• Reactive Programming：some significant services are developed based on Reactor (Spring WebFlux);
• Redis: Redis 6.0.5, Redisson (distributed lock and data structure), Spring Data Redis and Lettuce (We have fixed some bugs and have contributed some features to the community);
• DataBase：Mybatis+ and MyBatis, Druid DataSource Manager and Spring JPA, MySQL (AWS Aurora);
• Message Queue: Apache RocketMQ;
• Search Engine: Elastic Search;
• API Gateway: using Spring Cloud Gateway as our all-in-one API router to route external requests. We have deeply dug into this gateway and have made some contributions to its community. the gateway is now highly functional with high efficiency;
• APM: Grafana + Prometheus.

What you will do:

• Find, analyse and solve existing and challenging production technology problems in the distributed system serving more than 100+ million requests per day;
• Responsible for researching, maintaining, extending and improving the backbone of the most state-of-the-art OLTP service platform;
• Design and implement microservices to be deployed on docker clusters managed by Kubernetes and work with a lot of cloud applications upon Amazon AWS cloud;
• Have chance to develop useful technology plugins and components based on the mature framework and contribute to the community; and
• Organize technology share periodically to improve the whole technology ability of the team.

Whom we are looking for:

• 3+ years experience as a Java engineer, with the degree holder or above in Computer Science, Information Technology or related disciplines;
• Strong sense of responsibility to ensure the online business running smoothly and are proud of delivering the most reliable transaction service to customers;
• Self-driven and eager to explore and apply the latest backend technology;
• Excellent understanding of Java backend development and are familiar with Java Programming (JDK, Multi-Thread Programming, JUC);
• Aware of performance and scalability aspects of Java (Java Multi-Thread improvement, Java GC). And the experience of identifying Java Performance problems would be an extra bonus;
• Used to working on Spring boot, and the experience on Spring Cloud will be prioritized;
• Experience of transactional business programming based on MySQL;
• Familiar with distributed programming, and rich experience on working with Redis, MQ and Elastic Search will be prioritized;
• Good at working with public cloud platform, and the experience of exploring and utilizing Amazon AWS components and services to enhance the robustness of the whole platform will be valued; and
• Fluent spoken and written in both English and Chinese.

Attractive remuneration will be offered to the right candidate. Interested parties please click Apply Here and attach a detailed resume.

All applications received will be used exclusively for recruitment purposes only. Applicants who are not contacted within 12 weeks should consider their application unsuccessful for the position advertised. Data supplied by applicants will be kept for 6 months.

SabeTech is an equal opportunity employer and is committed to creating a diverse environment. We respect all individuals and seek their inclusion in the workplace.