terminal

JM.

Available for New Projects & Consultation

Helping Businesses Scale Through

I'm Jefrianus Markus — IT Specialist & Digital Marketing Consultant based in Samarinda. I build high-converting websites, develop custom web apps with React & Laravel, and automate business workflows with AI.

Book Free Consultation calendar_month Explore Case Studies

5+

Years Exp.

30+

Projects

99.9%

Uptime & Quality

Jefrianus Markus - IT Specialist & Digital Marketer

About Me

Building High-Impact Digital Systems.

I started my career in visual design before expanding into fullstack web development, digital marketing, and IT infrastructure. Today, I help businesses build high-impact web applications, automate operational workflows with AI, and scale their digital presence.

View Full Journey arrow_right_alt
verified_user

Google Certified

Certified Google IT Support Specialist. Rigorous, standardized technical problem solving for infrastructure & system reliability.

code

Fullstack & Web Apps

Building fast, scalable web systems using modern stacks: React, Next.js, Laravel, REST APIs, and Tailwind CSS.

smart_toy

AI & Automation

Eliminating repetitive operational tasks by designing automated workflows with n8n, AI agents, and webhook integrations.

trending_up

Growth & Technical SEO

Optimizing websites for both traditional Google Search and Generative AI Search (ChatGPT, Gemini, Perplexity) to maximize organic leads.

Capabilities

Technical Arsenal

Proven technology stack and technical competencies applied across 30+ production projects.

code

Frontend & Modern Web

Building pixel-perfect, lightning-fast interfaces focused on user experience and speed.

React.js Next.js Tailwind CSS JavaScript (ES6+) HTML5 / CSS3
database

Backend & System Architecture

Designing robust backends, RESTful APIs, and relational databases for scalable apps.

Laravel (PHP) Node.js RESTful APIs MySQL WordPress / CMS
auto_mode

AI & Workflow Automation

Automating repetitive operational workflows to save time and reduce manual errors.

n8n Automation AI Agents & Chatbots Webhooks & Triggers API Integration
dns

Infrastructure & Security

Deploying servers, managing DNS/SSL, and ensuring fast, secure, 99.9% uptime deployment.

Google Certified IT Support VPS / Vercel Deployment cPanel & DNS Management SSL & Performance
trending_up

Technical SEO & GEO (AI SEO)

Combining technical website performance with schema markup so search engines and AI assistants (ChatGPT, Gemini, Perplexity) rank your brand.

Technical & On-Page SEO GEO (AI Engine Optimization) Schema.org JSON-LD Google Analytics 4 & GSC Digital Branding
Solutions & Value

How I Help Businesses Grow

Delivering high-performance digital systems, custom web applications, and automated workflows.

web
web

High-Converting Company Websites & E-Commerce

Build instant trust and increase client inquiries with pixel-perfect, mobile-first websites and online stores. Optimized for speed, user experience, and high conversion rates.

Request Website Audit arrow_forward
code_blocks

Custom Web Applications & APIs

Tailored web platforms built with Laravel, React, and RESTful APIs to automate business logic, manage data, and solve complex operational challenges.

Discuss Web App arrow_forward
smart_toy

AI & Workflow Automation

Streamline manual tasks by connecting your tools with n8n automations, custom AI agents, webhooks, and chatbot logic.

Automate Workflows arrow_forward
troubleshoot

Technical SEO & GEO (AI SEO)

Ensure your website gets indexed on Google and recognized by AI engines like ChatGPT, Gemini, Perplexity, and Claude.

Boost Organic Leads arrow_forward
dns

IT Infrastructure & Security

Server deployment, DNS architecture, SSL certificates, speed tuning, and ongoing technical support guaranteed.

Get Server Support arrow_forward

Need a Custom Technical Solution?

Whether it's complex system debugging, custom API integrations, or full digital transformation for your company.

Case Studies

Featured Projects & Impact

Real-world case studies demonstrating technical execution, business problem solving, and measurable impact.

language
Company Profile

BorneoCodeLab Service Hub

Problem

Local SMEs needed a clear, trusted digital agency platform to request web development services.

Solution

Built an ultra-fast web portal with service listings, instant quotation, and automated consultation scheduling.

Result

3x client inquiry conversion & 100% PageSpeed score.

HTML/CSS JavaScript Technical SEO
View Live Site open_in_new
live_tv
Custom System

GPdI Beth Tephillah Live Stream Portal

Problem

Manual updating of video links during weekly live streaming caused delays and extra admin overhead.

Solution

Developed a Laravel & React portal integrated with YouTube API for automatic live stream detection.

Result

100% automated live video delivery for 500+ weekly viewers.

Laravel React YouTube API
View Live Site open_in_new
storefront
E-Commerce

Doorenz Creative E-Commerce

Problem

Legacy website was slow and unoptimized for mobile checkout, resulting in abandoned orders.

Solution

Rebuilt store using WooCommerce, automated shipping calculators, and integrated payment gateway.

Result

60% faster page loading & 3x organic visitors.

WordPress WooCommerce Payment Gateway
View Live Site open_in_new
campaign
Landing Page

High-Converting Product Funnel

Problem

Ad traffic had poor conversion due to slow landing page load times and cluttered layout.

Solution

Designed a streamlined Tailwind CSS sales page with direct WhatsApp checkout triggers.

Result

Increased ad click-to-lead conversion rate significantly.

Tailwind CSS Conversion Copy
lock Client Private Project
business
Company Profile

Corporate Engineering Website

Problem

Industrial client lacked digital presence to present engineering capabilities to enterprise buyers.

Solution

Built modern corporate portal with service catalog, downloadable profile, and Local SEO optimization.

Result

Ranked #1 on Google for regional engineering terms.

SEO Local Corporate Branding
lock Client Private Project
grid_view
ERP / Enterprise System

Enterprise ERP & Operations System

Problem

Multi-department business processes (inventory, finance, sales, & logistics) lacked centralized real-time control.

Solution

Engineered a complete Cloud ERP platform with multi-module management, role permissions, and live analytics.

Result

100% centralized resource visibility & operational efficiency.

ERP Architecture Laravel / PHP RESTful APIs MySQL
Try Live ERP Demo open_in_new
Explore Full Portfolio Hub open_in_new

Managed via BorneoCodeLab — Web Development & IT Solutions

Trust & Reputation

Client Feedback & Results

Hear directly from clients and business owners who have transformed their digital footprint.

star star star star star

"Website baru kami sangat cepat dan tampilannya jauh lebih profesional. Peningkatan inquiry pelanggan terasa signifikan sejak peluncuran!"

DC

Doorenz Creative

E-Commerce Client

star star star star star

"Integrasi sistem live streaming otomatis dengan YouTube sangat membantu jemaat kami. Tidak perlu setting manual tiap minggu lagi!"

BT

GPdI Beth Tephillah

System & Web Client

star star star star star

"Jefrianus sangat responsif dan paham betul dari segi teknis IT maupun strategi digital marketing. Solusinya tepat sasaran."

ST

PT. Sriwijaya Teknik Utama

Marketing & Web Project

Digital Presence

Connect with me on professional networks or subscribe to my channel for tech insights.

LinkedIn Profile

190+ Connections

Instagram Profile

@jefry195

Career & Experience Journey

2023 - Present

Fullstack Web Developer & IT Consultant

BorneoCodeLab & Independent Projects

  • Architecting custom web applications with React, Next.js, and Laravel for clients.
  • Designing n8n automated workflows and AI integrations for operational efficiency.
  • Implementing Technical SEO and GEO (AI Search Optimization) to boost client search rankings.
2023 - 2024

Heavy Operations & Site Logistics

PT. Indonesia Weda Bay Industrial Park (IWIP)

Managed site logistics and heavy equipment transport in high-demand industrial mining operations while continuing freelance web development projects.

lightbulb Career Context: Demonstrates high-pressure problem solving, operational discipline, safety standards, and adaptability in challenging industrial environments.
2022 - 2023

Digital Marketing Specialist

PT. Sriwijaya Teknik Utama

  • Developed digital marketing strategies to generate B2B engineering leads.
  • Optimized corporate website for search rankings and improved organic lead conversions.
  • Managed social media campaigns, technical blog content, and marketing media.
2019 - Present

Marketing & Brand Consultant

Dooren'z Creative

Managed marketing campaigns, brand identity, screen printing packaging, and e-commerce growth strategies.

2017 - 2019

Graphic Designer

PT. Subur Makmur Bangunan

  • Created promotional flyers, event banners, and brand visual assets.
  • Designed seasonal promotional material for corporate campaigns.

Education

STIENAS Colorado Samarinda

2014 - 2018

SMKN 6 Samarinda

2010 - 2013

SMPN 7 Samarinda

2007 - 2010

SDN 023 Samarinda

2001 - 2007

Ready to Level Up?

Stop struggling with tech and start growing your business. I'm just one message away from solving your digital challenges.

Chat on WhatsApp

Prefer email? jefry.m95@gmail.com