Johar Bayu Kurniawan Email & Phone Number

Singapore

• Designed and implemented a scalable data scraping solution capable of extracting over 10 million records from websites and APIs using rotating proxies and multi-account setups to bypass rate limits. Streamlined data.
• Daily maintenance and enhancement of APIs and the platform, continuously improving features and performance to meet evolving business needs.
• Enhanced server performance by 90% through the integration of advanced caching and compression mechanisms, resulting in significantly faster response times and improved user experience.

Jakarta, Indonesia

• Transitioned from Oracle APEX to PostgreSQL, optimizing cost and performance.
• Utilized Laravel Spatie for comprehensive user role and permission management.
• Designed and implemented a multitenant architecture with multiple database schema support to manage distinct tenant data efficiently.

Surabaya, East Java, Indonesia

• Built high-impact projects for diverse clients within the dynamic environment of a full-service software house.
• Architected and implemented robust and scalable solutions using Laravel, ensuring optimal performance and seamless user experiences.
• Successfully managed end-to-end project lifecycles, from client consultations and requirements gathering to final delivery, consistently meeting or exceeding client expectations.
• Engineered custom solutions tailored to clients' unique needs, resulting in increased client satisfaction and repeat business.
• Cultivated strong client relationships through effective communication and collaboration, ensuring a deep understanding of client goals and objectives.

Jember, East Java, Indonesia

• Assisted faculty with research projects and laboratory setup for specific courses.
• Graded assignments and quizzes related to laboratory exercises.
• Monitored student progress and offered feedback on project development.

Jakarta, Indonesia

• Exploratory Data Analysis on numerous type of dataset to find useful information
• Build Classification, Clustering, and Regression Machine Learning Model
• Deploy and Test ML models using Flask framework to cloud with beautiful UI

Jember, Jawa Timur, Indonesia

• Assist lecturer in programming subject like python, java, html, etc. in practice class
• Organize events by inviting an experienced presenter to teach subject matching the event's theme
• Create a joint project with other assistant with the aim of promoting programming laboratory

Jakarta Selatan, Jakarta Raya, Indonesia

• Improved internal tools for operation team by reducing request latency of database from ~100 second to only 0.1 second
• Prevent services down by successfully increasing a feature requests per second capability from 200 to 7500 RPS using function call suppression and caching
• Implement distributed lock algorithm in CRON service to make data appear consistent when there is deployment
• Deeply engaged in the full development lifecycle designing, developing, testing, deploying, maintaining, monitoring, and improving the software.