Jaco Rian Muller
Full-Stack Developer & Solutions Architect

Versatile software engineer with 7+ years of full-stack development experience across diverse digital products. Expert in architecting and building custom software applications, mobile/web platforms, enterprise systems, and scalable solutions from concept to deployment. Combines advanced technical engineering skills (Python, Java, JavaScript, PHP, Machine Learning) with infrastructure expertise (deployment, servers, SSL, domains) and digital marketing execution (ads, design, social media). A complete technical partner capable of handling any phase of digital product development.

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Technical Skills

Full-stack development, ML/AI, DevOps, Infrastructure, and Digital Marketing expertise

15+

Projects

Web applications, PWAs, business software, machine learning implementations, and custom solutions

12

Experience

7+ years in software development, technical leadership, and digital solutions architecture

8+

Services

Custom software development, technical consulting, and digital transformation solutions

6

Education

Formal education, certifications, and continuous learning in software engineering

5

Contact

Get in touch for collaboration, opportunities, or technical consulting

!

Why Hire Me?

I'm not just a developer—I'm a complete digital solutions provider

1. Business & Technical Alignment

I bridge the gap between business objectives and technical implementation. I start by understanding both technical requirements and business goals to ensure the solution drives real results, not just meets specifications.

2. Strategic Technology Selection

I architect complex applications by selecting the most appropriate technologies for each project's specific needs. No one-size-fits-all solutions—every technology choice is deliberate and justified.

3. Full Development Lifecycle

I own projects from concept to completion. This includes requirements gathering, architecture design, development, testing, deployment, and ongoing maintenance—eliminating coordination overhead.

4. Technical & Business Translation

I excel at communicating complex technical concepts to non-technical stakeholders and translating business needs into technical requirements. This ensures alignment and prevents misunderstandings.

5. End-to-End Project Management

I manage the entire project lifecycle, not just development. From initial concept to final deployment and beyond, I ensure projects stay on track, within budget, and deliver maximum value.

7+

Years Experience

Full-stack development across diverse industries

50+

Projects Delivered

From MVPs to enterprise-scale applications

95%

Client Retention

Through quality delivery and communication

100%

On-Time Delivery

Projects completed within agreed timelines

Complete Technical Partnership

I solve business problems with technical excellence. With 7+ years of full-stack experience, I deliver not just code, but comprehensive solutions that drive business growth, improve efficiency, and create competitive advantages. I'm the technical partner who can handle any aspect of your digital project while ensuring it aligns perfectly with your business objectives.

Technical Skills & Expertise

My Technical Toolkit

Programming Languages

Python (Advanced) Expert

7+ years experience

Java (Advanced) Expert

Enterprise applications, backend systems

JavaScript Advanced

Full-stack development, React, Node.js, PWAs, modern frameworks

PHP Advanced

WordPress development, custom CMS, backend APIs

Web Development

HTML5/CSS3 Expert

Semantic markup, responsive design, CSS Grid, Flexbox, SASS

React.js Advanced

Component architecture, hooks, state management, Next.js

PWA Development Advanced

Service Workers, offline functionality

WordPress Expert

Themes/plugins, performance optimization, security

Databases & DevOps

MySQL Advanced

Database design, optimization, complex queries, performance tuning

Git Expert

Version control, branching strategies, CI/CD integration

Docker Intermediate

Containerization, Docker Compose, image optimization

Server Management Advanced

Server configuration, security, performance tuning, automation

ML & Additional Skills

Machine Learning Intermediate

Sci-Kit Learn, model implementation, data preprocessing

Digital Marketing Advanced

Google/Facebook Ads, analytics, SEO, content strategy

Project Management Advanced

Agile/Scrum, client relations, team leadership, delivery

Webflow/Wix Expert

Custom development, integrations, advanced functionality

Projects Portfolio

Featured Projects & Case Studies

E-Commerce PWA Platform

Complete offline-first shopping platform with PHP backend, Service Worker caching, real-time inventory management, and secure payment processing.

PHP JavaScript PWA MySQL Custom Payment API Password Hashing

Mobile Scheduling App

Custom platform to proivde business managers with scheduling tool, real-time data visualization, and schedules that can be automatically adjusted according to weather for the day by reading information from OpenMeteo API.

React / React Native Docker SQL SMTP4Dev OpenMeteo API

Cropsprayer Parts Management System

Custom built software to manage the maintenance of a cropsprayer airplane. The software can add,edit and delete parts as required. It also tracks the hours the parts are in use with airplane tacho meter. Thus based on the date or hours worked the part displays in red, yellow or green. PDF downloads make it easy for the pilot to showcase which parts need replacing or maintenance to the mechanic. Caching and autosaving ensures data entered is not lost, as well as being able to make JSON downloads and pdf or excel saves. Packaged to allow for exe installation.

Java PHP CSS HTML JS

Field Service Task Card PWA for Crop Sprayer pilot

Offline-capable field service application to store and save data, Farm Name, Farmer Details, as well as weather data for the day such as wind and humidity. Was created as a PWA to allow for installation on apple devices. The pilot is also capable of adding rows for the load , time , chemicals used and make remarks during flight. Invoice numbers can also be added to attach task card to invoice. Offline capability due to not also being connected. Auto save and manual save as well as pdf save function.

JavaScript PWA CSS HTML Server Deployment

Inventory Management System

Enterprise inventory management with barcode scanning, real-time stock tracking, assigned to specific teams.

Java React MySQL WebSocket

Airplane Ticket Management and booking system

Airline ticket booking system. Different pricing from different locations. Different ticket types. Added backage. Various features linked to airline bookings.

Java Java Swing

Planner and Task Scheduling Software

Created my own custom daily planner. It tracks data monthly , weekly as well as hourly daily. It has a sticky board for notes and task notes. Tasks can also be split into check lists for the hour. Gamification for productivity is also implemented.

React PHP CSS JS

Automated Invoice Software

Allows for the adding of clients information. Quotes and Invoices can be entered and then generated automatically. Tracks if payments have been made and indicates on the dashboard outstanding payments. Allows for adding of business logo and details to quotes and invoices. Implementation of emailing clients directly from the software is still in progress.

Java CSS JS HTML

Various Websites on Various Platforms

Built and hosted websites with Wordpress. Built websites with WIX. Built websites with Webflow. Built websites using html,php,javascript and css. Built E-Commerce sites. Built PWA's.

Professional Experience

Career Timeline & Achievements

Jan 2022 - Present

Lead Software Engineer

Cyber Cube Africa Enterprises | Digital Solutions Agency | Remote

  • Scaled technical agency, managing full client lifecycle and business operations
  • Engineered software products across various sectors.
  • Deployed websites to production, handling server setup, SSL installation, and domain configuration
  • Built custom applications with a variety of programming languages.
  • Implemented machine learning models using Sci-Kit Learn for client predictive analytics
  • Deployed production systems with complete infrastructures and security.
  • Managed paid ad campaigns achieving returns on investments for clients.
  • Grew start up from nothing to successful company with a 95% client retention rate.
Jan 2019 - Dec 2021

Freelance Full-Stack Developer

Self-Employed | Remote

  • Developed websites across WordPress, Webflow, and Wix
  • Developed software solutions including web applications and business tools.
  • Built complex systems with various programming languages for diverse industries.
  • Created PWA conversions for e-commerce sites, increasing mobile conversions.
  • Handled complete deployment pipelines: from code to live server with SSL security
  • Provided full technical consultation from requirements to deployment.
Jun 2024 - Dec 2025

Student Representative Council

Eduvos University

  • Data analysis and statistics for student feedback
  • Event planning and scheduling for 100+ attendees
  • Student-faculty liaison and communications
Services & Capabilities

What I Can Do For Your Business

Custom Software Development

End-to-end development of web applications, business software, and digital solutions tailored to your specific needs and requirements.

PWA & Mobile Solutions

Progressive Web Apps that work offline, feel native, and provide app-like experiences without app store complexity or maintenance overhead.

ML & Data Solutions

Machine learning implementation, data analysis, predictive modeling, and business intelligence tools to drive data-driven decisions.

Infrastructure & DevOps

Server setup, configuration, deployment, SSL implementation, and ongoing maintenance of production systems for reliability and performance.

Digital Marketing Integration

Technical implementation of marketing campaigns, analytics tracking, SEO optimization, and growth-focused development strategies.

Technical Consulting

Architecture reviews, technology selection, process optimization, and technical leadership to ensure project success and scalability.

Education & Certifications

Learning Journey & Qualifications

Bachelor of Science Information Technology (Software Engineering) 2021-2025

Software Engineering Specialization

University of Eduvos | Average: 81%

Focus on algorithms, data structures, software architecture, and full-stack development methodologies.

Higher Certificate in Software Engineering 2019-2020

Advanced Programming Concepts

Hyperion Developement | Average 94%

Advanced coursework in database design, software patterns, and development methodologies.

Matriculation 2018

HighSchool

Porterville

Professional Certifications Ongoing

Continuous Learning & Development

  • AWS Certified Developer - Associate
  • Google Professional Machine Learning Engineer
  • Scrum Master Certification (CSM)
  • Python for Data Science Specialization
  • AI Engineering
  • Cyber Security Certification
Contact & Connect

Let's Work Together

Email

Jaco Rian Muller

Typically responds within 24 hours

Phone

+27 (74) 437-5916

Available Monday-Friday, 9AM-6PM UTC +02:00

Location

Remote - Based in Porterville, Western Cape, South Africa

Available for remote positions worldwide

Availability

Open to new opportunities

Full-time, remote, contract, or consulting

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Get a detailed overview of my experience and skills