Backend Engineer

About OpenNet OpenNet is a fast-growing technology company with products reaching 20+ countries worldwide. We bring together talented people who enjoy solving challenges, moving fast, and learning from one another. We value collaboration, flexibility, growth, and work-life balance — creating an environment where people can do great work and enjoy the journey along the way. What you'll be doing Work with product owners and other development team members to determine new features and user stories needed in new/revised applications or large/complex development projects Participate in code reviews with peers and managers to ensure that each increment adheres to original vision as described in the user story and all standard resource libraries and architecture patterns as appropriate Respond to trouble/support calls for applications in production in order to make quick repair to keep application in production Participate in all team ceremonies including planning, grooming, product demonstration and team retrospectives Mentor less experienced technical staff; may use high end development tools to assist or facilitate development process Advanced proficiency in Object Oriented Design (OOD) and analysis. Advanced proficiency in application of analysis/design engineering functions. Advanced proficiency in application of non-functional software qualities such as resiliency, maintainability, etc. Advanced proficiency in advanced behavior-driven testing techniques Our Stack Application Framework: Java 8, Spring Boot Microservices: Spring Cloud (Spring Cloud Config / Open Feign / Spring Cloud Hystrix / Spring Cloud Gateway) Database: MySQL (Aurora / RDS) Public Cache: ElastiCache, Redis (MS, Sentinel, cluster) Message Queue: Apache RocketMQ, RabbitMQ, Kafka Coordinator: Zookeeper APM: Jaeger, opentracing Documentation: Springdoc-OpenAPI Search and Reporting: ElasticSearch Log Real-time Visualization: ELK, Loki Monitoring: Prometheus, Grafana, CloudWatch Container: Docker, Kubernetes CI/CD: Jenkins, ArgoCD What you'll bring Fluent in written and spoken English Experience with microservice systems Experience with Spring Boot, Spring Cloud and Spring Data Working knowledge of database (preferably MySQL & Redis) Be able to work independently If you're interested, we encourage you to apply! Every application is reviewed by a member of our team (AI is not used in our recruitment process), and we aim to respond within 48 hours. We Care More About How You Work and Live Some things are simply essential: MacBook Pro, large monitor, Sony noise-cancelling headphones, snacks, coffee and fresh fruit. Some rewards are simply standard: holiday bonuses, , quarterly performance bonuses, and referral bonuses. But what matters even more to us: Flexible work hours & hybrid work Annual health check-ups, gym subsidy & monthly massages A nap room — because proper rest matters Learning & development allowance Team lunches, employee clubs & activities 12 weeks maternity leave & 14 days prenatal and paternity leave Annual Company Retreat — from Dubai and Phuket to Bali, Vietnam and Cebu Fully covered employee portion of Labor & National Health Insurance Enterprise AI tools, including ChatGPT Great work matters. So does having a life outside of it. If that sounds like your kind of workplace, we’d love to meet you.