Hi, I'm
Kholid Abdillah
Putra
Backend Software Engineer
8+ years building scalable, secure backend systems. Golang, PHP, Node.js — from RESTful APIs to enterprise-grade integrations and high-traffic platforms.
About Me
Building backends that
scale and perform
Backend Software Engineer with 8+ years of experience building scalable, performant, and secure web applications. I specialize in Golang, PHP, and Node.js — from RESTful & GraphQL APIs to third-party integrations (payment gateways, CRMs, external APIs) and WordPress solutions.
Whether you need a system built from scratch, performance optimization, or API integration, I get it done with clean code and solid engineering practices.
Currently based in Jakarta, Indonesia and open to remote freelance projects worldwide.
Tech Stack
Skills & Technologies
Technologies I've worked with across production systems serving enterprise-level traffic.
Languages
Databases
Message Queue & Streaming
APIs & Protocols
Infrastructure & DevOps
CMS & Other
Career
Work Experience
Backend Developer
Salt (PT. Ako Media Asia)
📍 Jakarta, Indonesia · 🗓 April 2020 – Present
- › Contributed to multiple large-scale projects for Telkomsel (Indonesia's leading telecom company) and enterprise clients, building high-availability APIs, CMSs, and event-driven systems.
- › Delivered backend solutions across streaming, survey, campaign, and digital hub platforms using Golang, PHP, and Node.js.
Projects at this role
Backend Developer
AntaVaya Group
📍 Jakarta, Indonesia · 🗓 August 2019 – February 2020
- › Developed and maintained the Tour Management System (TMS), delivering feature enhancements, bug fixes, and performance improvements for a B2B travel management platform.
Backend Developer
Cranium Royal Aditama (Onsite at Futuready)
📍 Jakarta, Indonesia · 🗓 January 2019 – June 2019
- › Built RESTful APIs and integrated with multiple insurance provider systems.
- › Developed new modules and maintained internal applications for an insurtech platform.
Web Developer
Essentials! Digital Media
📍 Jakarta, Indonesia · 🗓 January 2016 – September 2018
- › Developed, tested, and deployed client websites and web-based applications.
- › Maintained legacy systems and resolved production bugs to ensure uptime and stability.
- › Created technical documentation and delivered client training sessions.
Work
Selected Projects
Enterprise systems and freelance projects — from Telkomsel-scale backends to client websites and custom business tools.
CMS and API backend for Maxstream, Telkomsel's video streaming platform. Built with a multi-service approach to handle high-volume content delivery.
HMS
Enterprise
Multi-channel campaign blast dashboard with mobile SDK integrations and Firebase push notifications, designed for high-volume messaging delivery at scale.
RESTful API backend for TSurvey, a digital survey and research platform by Telkomsel enabling data collection at scale.
API backend development for Patricia, a Telkomsel digital product focused on user engagement and service delivery.
Content management system for Telkomsel's digital hub portal, managing content distribution and publication workflows across digital channels.
Backend for Cascade, a telco big data analytics platform by Telkomsel that enables businesses to leverage telecom data for competitive insights, customizable dashboards, and strategic decision-making.
Developed the official mall website for Senayan City with CRM integration, enabling tenant management, event promotions, and customer engagement features.
Built the official website for Kota Kasablanka mall, covering tenant directory, promotions, events, and visitor information.
Developed a crew recruitment portal for Soechi Group, a shipping company, enabling online job applications, candidate tracking, and recruitment workflow management.
Built the company website for Garuda Pariwisata, a travel agency specializing in Labuan Bajo trips, showcasing tour packages and facilitating bookings.
Contact
Let's Work Together
Have a project in mind? I'm open for freelance work and always happy to discuss new opportunities.
Currently accepting new freelance projects. Typical response time within 24 hours.