Aji Perdana P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Hello, I have 18+ years of experience working in ICT domain. Currently working as developer (Java, Node.js) and DevOps. Here's the shortlist of my experiences: Backend (Java): Spring Boot, JPA, Security, Batch. Backend (Javascript): Node.JS, ExpressJS, NestJS. Serverless: AWS Lambda. Frontend: Thymeleaf, Vue.js, React.js. Charts: Amcharts, Charts.js, D3.js Database: PostgreSQL, MySQL, Derby, MongoDB, DynamoDB. AWS: EC2, VPC, RDS, S3 Elastic Beanstalk, Cognito, SES, CloufFormation, ECS, ELB. Virtualization: Docker, docker-compose. Scripting: Perl, Shell/Bash, AWK. Payment gateway; Stripe, Braintree. Tools: Maven, Gradle, Git, IntelliJ, Selenium. Linux: Debian, Ubuntu, RedHat, CentOS. CI/CD: CodePipeline, Jenkins, Circle CI, Codemagic. Protocol & Spec: LDAP, ASN.1, Diameter, Radius, SMPP, HTTP (REST, SOAP). Other knowledge: Twilio Video API, Spark, Kafka, FreeRadius, Captive Portal, I also would love to support you to design an end-to-end solution and lead your development team to achieve your business goals. Thank you for visiting my profile. Feel free to contact me even to say hi or want to discuss about your project or idea. I hope it worth your time.