03/29/2026 updated
100 % available
Middle Java Developer with Performance & DevOps Expertise
Denpasar, Indonesia
Only remote
Bachelor's DegreeAbout me
Hi. I'm a developer who loves turning code into creative projects. Constantly learning new technologies and experimenting with interesting ideas. I work with Java, javascript, spring, spring boot and other modern tools.
Java (Programming Language)Spring SecurityAutomationTest AutomationBankingDatabasesDevOpsFinancial SystemsFreeMarkerGitHubHibernateScalabilityHP LoadrunnerInfrastructure ManagementJava Persistence API
Java Development
Extensive experience with Java 11 and 17, Spring Boot framework, and microservice architecture development for high-performance financial systems
DevOps & Infrastructure
Proficiency in Docker, Kubernetes, CI/CD pipelines with GitHub Actions and Jenkins, and deployment in cloud environments
Performance Optimization
Expertise in identifying bottlenecks, system performance tuning, load testing, and scalability improvements for banking platforms
Database Management
Experience with PostgreSQL, Oracle, MySQL, and H2 database systems with optimization techniques
Monitoring & Observability
Implementation of monitoring solutions using Grafana, Prometheus, InfluxDB, VictoriaMetrics, and ELK stack
Frontend Development
React development with Vite, Ant Design, Thymeleaf, and FreeMarker for creating user interfaces
Spring Ecosystem
Advanced knowledge of Spring Cloud, Spring Security, Hibernate JPA, and microservice patterns
Testing & Automation
JUnit 5, Mockito, automated testing methodologies, and load testing with HP LoadRunner
Extensive experience with Java 11 and 17, Spring Boot framework, and microservice architecture development for high-performance financial systems
DevOps & Infrastructure
Proficiency in Docker, Kubernetes, CI/CD pipelines with GitHub Actions and Jenkins, and deployment in cloud environments
Performance Optimization
Expertise in identifying bottlenecks, system performance tuning, load testing, and scalability improvements for banking platforms
Database Management
Experience with PostgreSQL, Oracle, MySQL, and H2 database systems with optimization techniques
Monitoring & Observability
Implementation of monitoring solutions using Grafana, Prometheus, InfluxDB, VictoriaMetrics, and ELK stack
Frontend Development
React development with Vite, Ant Design, Thymeleaf, and FreeMarker for creating user interfaces
Spring Ecosystem
Advanced knowledge of Spring Cloud, Spring Security, Hibernate JPA, and microservice patterns
Testing & Automation
JUnit 5, Mockito, automated testing methodologies, and load testing with HP LoadRunner
Experience
Professional experience5 - 10 years
Freelancer since2022
Languages
EnglishFluent
Project history
Full-stack Telegram Bot & Admin Panel development with complex business logic, payment integration, Kubernetes deployment, and CI/CD pipeline configuration
Performance optimization of banking platforms, scalability testing under high loads, memory leak detection, and automation of testing processes