Bardizba Z

Experience

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  IKITAS Semarang

  Dec 2018 - Feb 2019

  Junior Web Developer

  - Helping develop internal applications on Ikitas and creating landing pages for companies that work with Ikitas.- Develop apps using Laravel, jQuery, and wordpress.

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  IDivision Tech

  Dec 2019 - Jul 2020

  Full Stack Engineer

  - Developed mobile applications, web applications, and IoT systems using technologies such as Laravel, MySQL, PostgreSQL, Firebase, Vue.js, Java, Kotlin, Python, Flask, and Raspberry Pi.Key projects include:- CALAMO: Led the development of a real-time integrated system for monitoring industrial equipment. The system enables users to monitor and control equipment and electrical systems, reducing maintenance and repair costs. Transitioned the project from Django to Laravel, developing an IoT admin dashboard with Vue.js. Integrated a Telegram chatbot for controlling sensors on multiple devices.- SIDONA: Created an online court platform featuring real-time data synchronization, real-time chat, and court schedule management, ensuring smooth interactions for users.- Fleet Management Smart-Track: Developed an OBD-integrated system for real-time bus tracking and monitoring. The system tracks location using GPS, integrates VOIP for communication, and monitors OBD data (fuel consumption, speed, driving time). Led the backend development with Laravel and Vue.js, incorporating legacy jQuery code. Contributed to Android app development using Kotlin and Java, and created a media player for the bus using Vue.js and Flask on an Raspberry PI. Show less

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  Universitas Negeri Semarang

  Mar 2020 - Jun 2021

  Programmer

  - Served as a tech staff member while completing a Computer Science degree, contributing to various internal campus applications.- Developed and maintained key campus systems, including the **Academic Information System (SIAKAD)**, **Employee Management System (SIMPEG)**, and **Asset Management System (SIM-Aset)**. These applications were built using Laravel, jQuery, and Vue.js for more complex UI interactions.- Improved legacy PHP applications that used a custom-made framework, integrating Laravel Illuminate packages to enhance development reliability and streamline maintenance.- Utilized PHP, Laravel, MySQL, Docker, CodeIgniter, Vue.js, and Alpine.js to ensure the functionality and stability of the applications. Show less

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  PT Surya Anugrah Mulya

  Jul 2021 - Jun 2022

  Back End Developer

  - Joined PT Surya Anugrah Mulya as a Backend Developer while completing my graduation.- Contributed to the development and optimization of the ERP System and Trading Function System, particularly focusing on MetaTrader 5 integration.- Optimized business logic by converting synchronous processes to asynchronous, improving system performance and efficiency.- Developed and maintained service integrations with third-party vendors to extend system capabilities. such as Hubspot, Braze, etc. Show less

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  MIFX

  Jul 2022 - Dec 2023

  Back End Developer

  - Reported directly to the CTO, collaborating closely to achieve company objectives.- Worked with project managers to plan and execute realistic, efficient project timelines.- Collaborated with lead developers, subordinates, and the CTO to achieve mutually beneficial goals across all projects.- Partnered with DevOps to ensure zero downtime, high-performance, and low-latency applications.- Maintained and updated existing applications, ensuring they remain up-to-date with the latest technologies.- Conducted system analysis and developed applications using microservices architecture, optimizing code and minimizing bugs through unit and integration testing.- Developed REST APIs using PHP, Swoole, Go, and Python.- Led research and development efforts to deliver effective, maintainable, and fully tested solutions.- Developed FIX (Financial Information Exchange) services using JavaScript.- Built and maintained an API Gateway to streamline integration and improve system performance.- Developed MetaTrader 5 APIs and background services, enhancing the trading platform’s functionality.- Created a WebSocket service for handling large-scale data feeds, and developed front-end examples for integrating WebSocket-based communication.- Initiated the adoption of Go as an alternative technology stack, successfully implementing it in core company projects.- Led the rewrite of legacy code with a new technology stack (PHP-Swoole and Golang), improving code quality and system performance.- Achieved significant cost reduction by optimizing business logic in a legacy application, reducing server costs by up to 76-98%. Show less

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  PT Surya Anugrah Mulya

  Jan 2024 - now

  Lead Developer

  - Led and mentored backend developers, providing guidance to maximize team performance and individual growth.- Set strategic directions, assigned tasks, and ensured timely, high-quality, and maintainable code delivery.- Collaborated and planned timelines with project managers, department heads, and CTO.- Conducted comprehensive code reviews, managed merge requests, and ensured seamless production deployments.- Led the first migration from PHP to Go, using a "learning by doing" approach to upskill developers. Swoole still retained for its concurrency model, helping PHP developers adopt a Golang mindset for improved performance.- Led the development of APIs using Go, CGO, SWIG, and C++ interface for MetaTrader 4/5 integration, significantly improving the performance and scalability of the existing system.- Build trading APIs for two brokers, MIFX and Valuetrades, to enhance operational efficiency and reliability.- Led the initialization of a FIX (Financial Information Exchange) protocol-based trading platform using Go, setting the foundation for a robust and scalable system.- Designed and led the creation of a PHP framework tailored to meet company needs, utilizing Slim, Symfony, and Laravel's Illuminate packages. The framework replicates the Laravel developer experience while achieving higher application performance through the use of Swoole for efficient server resource utilization.- Implemented high-availability server architecture with auto-scaling to ensure seamless scalability and reliability.- Designed and optimized database architectures, including Entity-Relationship Diagrams (ERD), to enhance system performance and maintainability.- Led the initialization and development of real-time and event-driven applications for delivering real-time price ticks and trading charts, ensuring an optimal user experience. Utilized Golang, Swoole, and Redis to create a high-performance, low-latency system.- Conducted R&D and PoC projects for company needs Show less