EN ID

Zakaria Wahyu Nur Utomo

Backend Developer at Detikcom

Jakarta, Indonesia

Email GitHub
Preview CV PDF

About

Backend developer with 5+ years of experience designing, building, and optimizing server-side services for high-traffic applications. Proficient in Go, PHP, and JavaScript (Node.js), with a strong focus on RESTful API development and microservices architecture. Experienced in optimizing MySQL, PostgreSQL, Redis, MongoDB, and Elasticsearch, and in implementing DevOps workflows with Docker, Jenkins, and CI/CD pipelines. Committed to code quality, backend performance, and application security best practices.

Work Experience

PT. Trans Digital Media (Detik.com)

Mar 2024 - Present

Backend Developer

  • Architected high-traffic event platforms for 15+ national events across detik Network portals (Detik.com, CNN Indonesia, CNBC Indonesia), maintaining 99.9% uptime during extreme traffic spikes
  • Architected the backend for flagship projects including HijabHunt 2024 (submissions, finalist voting, and winner announcement systems), ensuring high performance and data integrity under heavy load
  • Developed Teman Mudik platform using Go + Laravel. Built high-concurrency personalization engine that dynamically delivered relevant news, SPKLU locations, and rest area facilities based on user travel routes
  • Hardened PHP session security across legacy applications, mitigating security threats including Session Fixation, Cross-Site Scripting (XSS), RCE, and RFI attempts, maintaining zero security breaches
  • Go
  • Gin
  • SQLC
  • PHP
  • Laravel
  • Phalcon
  • PostgreSQL
  • Redis
  • Security
  • Gitlab
  • CI/CD

PT. MNC Portal Indonesia (iNews.id)

Aug 2021 - Mar 2024

Backend Developer

  • Owned and maintained core backend architecture of iNews.id (REST APIs, CMS, Data Pipeline Integration) using Go + PHP , supported 55M+ monthly impressions
  • Architected geolocation & user behavior-based news recommendation system using Elasticsearch (real-time processing), MongoDB (user profiles), and Go microservices, delivering personalized content at scale
  • Reduced iNews.id backend processing time by 25% by redesigning the Redis caching layer and refactoring of complex SQL queries
  • Led end-to-end development and successful launch of 3 major strategic projects: Wirausaha Muda Mandiri, Tryout UTBK Okezone, and MG Motor Indonesia Polling Video
  • Go
  • Echo
  • Gin
  • SQLC
  • PHP
  • Laravel
  • CodeIgniter
  • Lumen
  • MySQL
  • Redis
  • MongoDB
  • Elasticsearch
  • Gitlab
  • AWS

PT. Pintar Pemenang Asia (Pintar.co)

Aug 2020 - Jul 2021

Backend Developer

  • Engineered and maintained the ELENA CMS using Laravel & CodeIgniter, delivering 70+ key features that streamlined content operations for 1000+ internal users
  • Implemented automated unit testing using PHPUnit, establishing a testing pipeline that caught 40% of potential bugs pre-deployment and reduced QA rework time by 25%
  • Laravel
  • CodeIgniter
  • Lumen
  • PHPUnit
  • Agile/Scrum
  • Bitbucket

Directorate of HR Universitas Telkom

Jan 2020 - Jun 2020

Web Developer Intern

  • Designed and implemented a comprehensive HR career management application using Laravel and CodeIgniter.
  • Collaborated closely with HR staff to integrate user-facing components with backend server-side logic.
  • Laravel
  • CodeIgniter
  • Web Development
  • Collaboration

Education

Binus University

Apr 2021 - Apr 2023
Bachelor of Computer Science (GPA 3.46/4.00)

Telkom University

Jun 2017 - Jun 2020
Associate of Informatics Engineering (GPA 3.62/4.00)

Skills

  • Programming Languages

    4
    • Go
    • PHP
    • JavaScript
    • Node.js

  • Frameworks

    7
    • Gin
    • Fiber
    • Echo
    • Laravel
    • CodeIgniter
    • Phalcon
    • Express.js

  • Databases

    5
    • MySQL
    • PostgreSQL
    • Redis
    • MongoDB
    • Elasticsearch

  • DevOps

    5
    • Docker
    • Jenkins
    • CI/CD Pipelines
    • Grafana
    • Linux