Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Antonius Harry, a Backend Developer with over 6 years of experience designing and building scalable, high-performance systems. I specialize in Node.js, Express, and React, and have a strong foundation in database architecture and API development. I’m passionate about creating cloud-native solutions and have worked on smart building systems with over 1,000 daily users. I also bring networking and system monitoring skills from my earlier roles and enjoy collaborating with clients to design practical IT infrastructure solutions. When I'm not coding, you can find me exploring the latest tech trends or improving my skills through certifications and projects.…Hi, I'm Antonius Harry, a Backend Developer with over 6 years of experience designing and building scalable, high-performance systems. I specialize in Node.js, Express, and React, and have a strong foundation in database architecture and API development. I’m passionate about creating cloud-native solutions and have worked on smart building systems with over 1,000 daily users. I also bring networking and system monitoring skills from my earlier roles and enjoy collaborating with clients to design practical IT infrastructure solutions. When I'm not coding, you can find me exploring the latest tech trends or improving my skills through certifications and projects.

Antonius Harry

Web Developer, Programmer, Developer, +1





Hi, I'm Antonius Harry, a Backend Developer with over 6 years of experience designing and building scalable, high-performance systems. I specialize in Node.js, Express, and React, and have a strong foundation in database architecture and API development. I’m passionate about creating cloud-native solutions and have worked on smart building systems with over 1,000 daily users. I also bring networking and system monitoring skills from my earlier roles and enjoy collaborating with clients to design practical IT infrastructure solutions. When I'm not coding, you can find me exploring the latest tech trends or improving my skills through certifications and projects.…Hi, I'm Antonius Harry, a Backend Developer with over 6 years of experience designing and building scalable, high-performance systems. I specialize in Node.js, Express, and React, and have a strong foundation in database architecture and API development. I’m passionate about creating cloud-native solutions and have worked on smart building systems with over 1,000 daily users. I also bring networking and system monitoring skills from my earlier roles and enjoy collaborating with clients to design practical IT infrastructure solutions. When I'm not coding, you can find me exploring the latest tech trends or improving my skills through certifications and projects.

Available to hire

Hi, I’m Antonius Harry, a Backend Developer with over 6 years of experience designing and building scalable, high-performance systems. I specialize in Node.js, Express, and React, and have a strong foundation in database architecture and API development. I’m passionate about creating cloud-native solutions and have worked on smart building systems with over 1,000 daily users.

I also bring networking and system monitoring skills from my earlier roles and enjoy collaborating with clients to design practical IT infrastructure solutions. When I’m not coding, you can find me exploring the latest tech trends or improving my skills through certifications and projects.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer at PT. Afyoge Technology Solutions

January 1, 2022 - Present

Led system design and development for client business applications. Provided consulting on IT infrastructure and networking issues. Built web-based company profiles and internal systems.

Node.js Developer at PT. Teravin Technovations

August 1, 2021 - Present

Developed and maintained a Smart Building Application with 1,000+ daily users. Designed relational databases using IBM Informix. Integrated RabbitMQ for asynchronous messaging. Created visitor access control and monitored user activities. Integrated third-party access monitoring tools.

Network Engineer at PT. Semesta Citra Media

July 31, 2021 - July 26, 2025

Monitored network hardware/software systems and handled troubleshooting. Built redundancy systems and simplified monitoring tasks. Maintained SLA targets by providing rapid incident response.

On-Site Engineer at PT. Semesta Citra Media

March 1, 2018 - July 26, 2025

Managed first-level support and network troubleshooting for clients. Escalated and resolved connectivity and infrastructure issues.

IT Support Specialist at PT. Optima Solusindo Informatika

August 31, 2014 - July 26, 2025

Maintained and installed software, hardware, and networks for lab environments. Handled user support, hardware issues, and computer assembly.