Back End Maintenance

Hello everyone,Ordent is looking for a Back-End Maintenance Engineer to help us ensure system reliability and performance across our growing portfolio of products. Ordent is a team with a strong focus on web technologies. For more than 6 years, we have helped over 45 clients across industries including Government, NGOs, and the Private SectorWhat You Will Be Doing:Monitor and maintain the stability, performance, and availability of back-end systems in the banking sector (including on AWS and OpenShift).Troubleshoot, debug, and resolve technical issues in live environments, using tools like Elasticsearch, Kibana, and Grafana for analysis.Perform routine maintenance, updates, and patches on existing systems, including microservices running on Docker and Kubernetes.Ensure uptime and responsiveness of critical services and APIs.Collaborate with Front-End Developers and Back-End Developers to address production issues.Improve legacy systems and refactor existing codebases (Golang, Python) for better performance and maintainability.Document bugs, resolutions, system procedures, and performance reports.Conduct log analysis and participate in incident response.You May Be a Good Fit If You:Are proficient in Golang as a core programming language and Python for scripting.Have a strong understanding of backend microservices architecture.Are highly skilled in SQL queries (PostgreSQL, MySQL) and NoSQL queries (Redis, MongoDB).Are experienced with the monitoring stack: Elasticsearch, Kibana, and Grafana.Have hands-on experience with Docker and Kubernetes.Are proficient in cloud (AWS) and on-premise (OpenShift) environments.Have a strong understanding of system reliability, performance tuning, and error tracking.Have strong problem-solving skills and can learn independently from documentation.Are comfortable with tools like Git and workflows such as GitHub Flow.Follow best practices in maintenance, security, and performance.(Optional) Are familiar with or have experience using n8n no-code tools.Are willing to work fully on-site at our office in Ragunan, South Jakarta.Are willing to work on a shift system (Morning, Afternoon, Night), with a schedule of 5 shifts per week.