Kode Jarwo

Frontend Dev, PageSpeed Consultant, & Horticulturist

About

Ozik Jarwo

Ozik Putra Jarwo is a frontend developer, UI/UX designer, and PageSpeed consultant with over 8 years of experience in web development. Throughout his career, Ozik has successfully designed and developed multiple website themes and helping hundreds of clients optimize their website performance. With expertise in frontend web dev and web performance optimization, he has established as a leading PageSpeed consultant from Indonesia.

KOR: 오직 푸트라 자로
CHN: 欧希客 普特拉 贾沃

Chronicles

Thoughts

Updates

Education

Ozik Jarwo's Education at Mokpo National University

Mokpo National University

2025
Master of Science Department of Horticulture (원예학과)

Carrying out several agricultural projects in smart greenhouses and plant factories. Joined IRIS (Integrated RnD Information System), KR.

Ozik Jarwo's Education at Universitas Brawijaya

Universitas Brawijaya

2020 - 2024
Bachelor of Agronomy Agroecotechnology

Completed his research about the effect on the growth of citrus plants given 8 types of plant growth regulators (PGRs) cultivated by grafting method (graft union of scion and rootstock).

Activity

Ozik Jarwo's Conference at 한국생물환경조절학회

한국생물환경조절학회

Apr 2025
Korea University (고려대학교) Seoul, South Korea

Attended the conference of The Korean Society for Bio-Environment Control (한국생물환경조절학회). Presented a research entitled "Screening of Appropriate Growing Media for the Hydroponic Cultivation of Rehmannia glutinosa in Closed Vertical Farm".

Publications

Screening of Appropiate Growing Media for the Hydroponic Cultivation of Rehmannia glutinosa in Closed Vertical Farm Mokpo National University2025
Effects of Plant Growth Regulators on the Growth of Grafted Siam Orange (Citrus nobilis L.) Seedlings Universitas Brawijaya2024

Awards

Ozik Jarwo's Awards at Technotion 2024

1st — Web Technology Competition

Jun 2024
Technotion 2024 HMPS TI FV UB

This competition focused on the development of a frontend website, with an emphasis on creating an attractive and high-quality user experience (UX) and user interface (UI).

Ozik Jarwo's Awards at SEO Indonesia

Indonesian's Page Speed Insighter

Sep 2019
SEO Indonesia

Best Indonesian's page speed insighter on 2019 by SEO Indonesia based on PageSpeed Insights by Google, GTmetrix, and Pingdom.

Certifications

Certificate of TOEFL ITP
TOEFL ITP ETS × BLC UBAug 2024 - Aug 2026 533
LiDAR Mapping Fundamentals GIM Learning ClubMay 2025 GIM-C2D45A48
Certificate of Microsoft Office Desktop Application
Microsoft Office Desktop Application Trust Training PartnersMay 2024 24UBC05102165

Experiences

Ozik Jarwo's Work at 시설원예학실험실

시설원예학실험실 · 국립목포대학교

Mar 2025
Researcher Horticulture, Greenhouse, etc

Starting in March 2025, Ozik has officially become a researcher at 시설원예학실험실 (Facility Horticulture Laboratory) at Mokpo National University, officially registered at IRIS 범부처통합연구지원시스템, while carrying out his Master's degree studies.

Ozik Jarwo's Work at Indonesia-Korea Smart Farm

Indonesia-Korea Smart Farm

Nov 2024 - Mar 2025
Work and Study Program Smart Greenhouse Management

Learning how South Korean's smart greenhouses work and operate in the cultivation of tomatoes, peppers, melons, and strawberries under guidance of Mr. Han (한) and Mr. Jeong (정), also for Ozik's master's degree preparation at Mokpo National University, South Korea.

Ozik Jarwo's Work at PT. Petrosida Gresik

PT. Petrosida Gresik

Oct 2024 - Feb 2025
Research Collaborator Efficacy of Herbicide

Ozik collaborated on a herbicide (SIDA UP 490 SL) efficacy test for targeted weeds in an oil palm plantation in Blitar Regency, East Java, alongside master's student Andi Muhtadin and under the guidance of several faculty members from Universitas Brawijaya.

Ozik Jarwo's Work at PT. Perkebunan Nusantara XII

PT. Perkebunan Nusantara XII

Jun 2023 - Aug 2023
Work Internship Robusta Coffee Cultivator

Ozik interned for three months at PT. Perkebunan Nusantara XII, gaining practical experience in Robusta coffee management and production. He learned techniques like pruning, understanding Robusta clones, and coffee tasting, which he will incorporate into his thesis research.

Programming

HyperText Markup Language (HTML)

HyperText Markup Language (HTML)

Pug

Pug

XML

XML

AMP

AMP

Cascading Style Sheet (CSS)

Cascading Style Sheet (CSS)

Bootstrap

Bootstrap

Tailwind

Tailwind

Materialize

Materialize

Semantic UI

Semantic UI

Pure

Pure

JavaScript (JS)

JavaScript (JS)

Typescript

Typescript

JSON

JSON

jQuery

jQuery

React

React

NextJS

NextJS

Python

Python

Matplotlib

Matplotlib

BeeWare

BeeWare

Kivy

Kivy

Hypertext Preprocessor (PHP)

Hypertext Preprocessor (PHP)

Git

Git

GitHub

GitHub

R Statistical Computing

R Statistical Computing

Visual Basic (VB)

Visual Basic (VB)

Excel VBA

Excel VBA

Ruby

Ruby

Agriculture

Data Analysis

Data Analysis

Greenhouse

Smart Greenhouse

Grafting

Grafting

Apps

CropID

CropID

Data Analysis

Facilitate agricultural research analysis, including ANOVA, growth rate assessment, leaf analysis, weight and harvest ratio evaluation, and stress tolerance measurement.

Tools by KJ

Tools by KJ

Utilities

A collection of office utilities such as bulk file renamer, PDF combiner, image extension converter, image size compressor, image custom watermark, real-time QR generator, etc.

Psychrometric Chart

Psychrometric Chart

Tools

Interactive and real-time psychrometric chart. Still under development.

Library & Game

Web Project

Tani Kopi Fachri Fisioterapi DIPLEKS BEM FP UB 2022 Bengkel Bang Jarwo Gerakan Muda Beramal PT. Ananta Sukses Abadini

Web Theme

Volunteer

RAJA Brawijaya Jun 2022 - Dec 2022
EM UB 2022
CO of Design, Documentation, and Multimedia
Musyawarah Wilayah Mar 2022 - Jan 2023
ISMPI Reg. 4
CO of Equipment
RANTAI XIII Aug 2022 - Nov 2022
FORKANO FP UB
CO of Equipment
Indonesian Student Summit Mar 2022 - Jan 2023
BEM FP UB 2022
Field CO
Database BEM Mar 2022 - Jan 2023
BEM FP UB 2022
Person in Charge
Konferensi BEM Malang Raya Mar 2022 - Jan 2023
BEM FP UB 2022
Staff Member
BEM Jumpa Mar 2022 - Jan 2023
BEM FP UB 2022
Staff Member
GRITA Network Mar 2022 - Jan 2023
BEM FP UB 2022
CO of Publication, Design, and Documentation