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Hi, I’m Ruben Djo Radja, a passionate full-stack developer with a track record of designing, building, and maintaining scalable web applications. I thrive on turning complex requirements into clean, reliable software using JavaScript (React, Angular, Node.js), .NET Core, Java (Spring Boot, Quarkus), and Python. I have hands-on experience with SQL Server, PostgreSQL, Oracle, and SQLite, and I’ve integrated enterprise systems (notably Microsoft Dynamics AX) and mobile warehouse apps. I’m a collaborative team player who communicates well with cross-functional partners to deliver high-quality solutions that meet business goals.…Hi, I’m Ruben Djo Radja, a passionate full-stack developer with a track record of designing, building, and maintaining scalable web applications. I thrive on turning complex requirements into clean, reliable software using JavaScript (React, Angular, Node.js), .NET Core, Java (Spring Boot, Quarkus), and Python. I have hands-on experience with SQL Server, PostgreSQL, Oracle, and SQLite, and I’ve integrated enterprise systems (notably Microsoft Dynamics AX) and mobile warehouse apps. I’m a collaborative team player who communicates well with cross-functional partners to deliver high-quality solutions that meet business goals.

Ruben Djo Radja

Full Stack Developer, Back-End Developer, App Developer, +1

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Hi, I’m Ruben Djo Radja, a passionate full-stack developer with a track record of designing, building, and maintaining scalable web applications. I thrive on turning complex requirements into clean, reliable software using JavaScript (React, Angular, Node.js), .NET Core, Java (Spring Boot, Quarkus), and Python. I have hands-on experience with SQL Server, PostgreSQL, Oracle, and SQLite, and I’ve integrated enterprise systems (notably Microsoft Dynamics AX) and mobile warehouse apps. I’m a collaborative team player who communicates well with cross-functional partners to deliver high-quality solutions that meet business goals.…Hi, I’m Ruben Djo Radja, a passionate full-stack developer with a track record of designing, building, and maintaining scalable web applications. I thrive on turning complex requirements into clean, reliable software using JavaScript (React, Angular, Node.js), .NET Core, Java (Spring Boot, Quarkus), and Python. I have hands-on experience with SQL Server, PostgreSQL, Oracle, and SQLite, and I’ve integrated enterprise systems (notably Microsoft Dynamics AX) and mobile warehouse apps. I’m a collaborative team player who communicates well with cross-functional partners to deliver high-quality solutions that meet business goals.

Available to hire

Hi, I’m Ruben Djo Radja, a passionate full-stack developer with a track record of designing, building, and maintaining scalable web applications. I thrive on turning complex requirements into clean, reliable software using JavaScript (React, Angular, Node.js), .NET Core, Java (Spring Boot, Quarkus), and Python.

I have hands-on experience with SQL Server, PostgreSQL, Oracle, and SQLite, and I’ve integrated enterprise systems (notably Microsoft Dynamics AX) and mobile warehouse apps. I’m a collaborative team player who communicates well with cross-functional partners to deliver high-quality solutions that meet business goals.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Intermediate

Work Experience

Full Stack Developer at PT Chubb Life Insurance Indonesia

March 1, 2023 - Present

Developed and maintained scalable web applications; engineered REST APIs; migrated SSIS jobs and legacy systems; performed database administration duties (user management, monitoring, auditing, backup & restore for Oracle; set up HA/DR for DB2; supported SQL Server and PostgreSQL); collaborated with cross-functional teams to implement timely patches and updates; built integration with IBM MQ and OutSystems components; deployed services on Linux (RHEL 8); enhanced a Java Spring Boot/Quarkus-based system for internal notifications; implemented data imports from Excel to Oracle and automated customer communications; authored sample REST APIs in C# .NET Core 8 and documented libraries.

Mobile Application Developer at PT INTIKOM BERLIAN MUSTIKA (Client: PT Multistrada Arah Sarana Tbk)

September 30, 2022 - October 24, 2025

WMS mobile application development using Ionic/Angular and TypeScript, optimized for handheld devices (Honeywell, Zebra). Backend APIs implemented in Java (Quarkus) to enable seamless data access to SQL Server. Database management included SQLite for offline storage and robust data synchronization with central databases. ERP integration with Microsoft Dynamics AX (Axapta) to synchronize inventory and streamline warehouse operations. Windows services for background tasks, real-time socket communication for mobile-backend interactions, and ongoing maintenance of features to meet evolving business needs.

IT / Application Developer at Genugten Agri - Netherlands

February 28, 2023 - October 24, 2025

Designed and developed MS Access applications to automate business processes, improving data entry efficiency and reporting. Implemented data migration using SQL Server Migration Assistant to migrate data from MS Access to SQL Server, ensuring data integrity for large datasets. Established centralized data management and reporting workflows for agricultural operations.

IT Developer at PT TEMAS Tbk

April 30, 2021 - October 24, 2025

Provided software maintenance and support; debugged and implemented feature updates; ensured system stability to meet evolving business needs.

IT Service Desk Application Support at PT Integrasi Logistik Cipta Solusi

September 30, 2020 - October 24, 2025

Monitored dashboards; designed and implemented monitoring to improve real-time visibility; processed bug fixes and change requests; ensured operational efficiency; provided timely end-user support and troubleshooting.

IT Application Developer at PT Multistrada Agro International

November 30, 2019 - October 24, 2025

Online Absence Management system; Timber Sales System; integrated with Microsoft Dynamics AX 2009 (Axapta) to synchronize inventory data and centralize ERP operations; maintained and documented system changes for compliance.