Years Experience

Major Projects

50+

Technologies

In Production

Professional Overview

Location: Roodepoort, Gauteng, South Africa

Age: 31 years old

Email: mariussenekal03@gmail.com

Phone: 060 960 5216

What I Bring to the Table

Software engineer with 4 years of professional experience, specializing in full-stack development within Linux (Ubuntu) environments. My professional work centers on building robust backend data systems, utilizing PostgreSQL, MQTT for IoT, and Python.

A collaborative problem-solver with hands-on experience deploying production-level applications using Nuxt3, Docker, and Nginx. Eager to apply my blend of professional discipline and proactive skill development to new engineering challenges.

Technical Skills & Expertise

Frontend Development

Nuxt3

Vue.js

Vuetify

HTML5

CSS3

JavaScript

jQuery

Flutter

Backend Development

Python

Node.js

PostgreSQL

MySQL

SQLite

REST APIs

pgREST

MQTT

DevOps & Tools

Docker

Docker Compose

Nginx

Linux (Ubuntu)

Bash Scripting

Git

Bitbucket

GitHub

Additional Technologies

Azure Service Bus

AWS Cloud Storage

Postman

Jira

Java

PHP

Android Studio

WordPress

Currently Learning & Exploring

Actively expanding my technical expertise through hands-on exploration of emerging technologies and modern development practices:

C# Development: Expanding backend capabilities with C# and .NET ecosystem

Non-Relational Databases: Exploring MongoDB and NoSQL database architectures for flexible data modeling

AI & Language Models: Experimenting with Ollama for local language models and integrating AI capabilities into existing projects

Workflow Automation: Investigating n8n for workflow automation and integration orchestration

MongoDB

Ollama

AI Integration

n8n

NoSQL

Professional Experience

Software Engineer (Full-Stack)

Digital Twin

Full-Stack Development: Delivered complete end-to-end solutions spanning frontend (Nuxt3, Vue.js, Vuetify, HTML5, CSS3, vanilla JavaScript) and backend (Python, Node.js, C#) development

Real-Time IoT Systems: Built scalable backend systems for real-time IoT data processing using Python, PostgreSQL, and MQTT protocols for edge device integration

Protocol Management: Expert in MQTT protocols for handling data from edge devices, ensuring seamless integration from edge to client-facing consoles

Database Engineering: Designed and wrote database functions for business logic, optimized queries using materialized views and query tuning, scheduled automated tasks with pg_cron, and used psql for reporting and management

API Development & Integration: Developed and maintained REST APIs using PostgREST and Node.js, tested with Postman for streamlined data access and integration across internal and client systems

Cloud & DevOps: Set up test environments using Docker and Docker Compose, worked with Azure Service Bus queues, implemented Bash automation scripts, and configured Nginx for production deployments

Production Support & SLA Management: Resolved SLA-related production issues, handled IoT data corrections and inconsistencies, managed new project additions to existing codebases, and maintained system reliability for critical business operations

Architecture & Systems: Worked on IoT systems, real-time processing, asynchronous operations, scalable architecture, multi-system integration, RBAC implementation, authentication/authorization, and audit logging

Client & Stakeholder Engagement: Maintained regular updates and progress reports with clients and stakeholders to ensure project alignment and clear communication of technical requirements

Team Leadership & Mentorship: Guided team members on SLA processes, trained field services teams on system operations and data handling, conducted code reviews via Bitbucket/GitHub, and documented system processes and architectural changes

Agile Workflow: Managed work through Jira for SLA and ticket management, handled multiple concurrent projects, and delivered on scoped project requirements within deadlines

2020 - Present

4+ years

IT Technician / Project Support

Landshark IT

Desktop & project support, handling installation projects

Maintaining SLA agreements and providing client services

Installation of IT equipment, cameras (Hikvision), and network cabling

Building PCs, email domain setup, data handling & backups

Jan 2018 - May 2019

Call Centre Agent

WNS Global Services

Handled Telkom-related product and infrastructure queries

Assisted clients with router/modem setup and network connectivity issues

Customer verification and complaint resolution

Oct 2017 - Dec 2017

Primary Photographer & DJ

Freeze Frame Photography & Thump Mobile Disco (Freelance)

Wedding and event photography, venue scouting and planning

Photo editing with Photoshop CS6, album compilation

Client consultation and maintaining deadlines

2016 - 2017

Junior IT Technician / Project Support

CMIT

Hardware: Built custom PCs, installed hubs/switches, CAT 5/6 cabling, server cabinets, UPS, projectors, interactive boards

Software support for 10+ private schools (MS Office, antivirus, email setup)

Network administration: Setting up users on Windows 7/10, shared folders, resolving connectivity issues

Jun 2014 - Jul 2016

Education & Certifications

Education

Diploma in Systems Development V2

Boston City College

2021

3-Year Qualification

Certifications & Training

WordPress Development

Udemy - 2022

Call Centre Training

Telkom Products & Infrastructure - 2017

Certified Photographer

VEGA - 2014

Featured Projects

In-Sight - Service Management System

In Production - Active Development

A comprehensive service management system that digitizes record-keeping through QR code technology. Staff can generate unique QR codes for locations, vehicles, or equipment, and workers scan these codes to log service entries, track completion status, and submit maintenance requests.

Nuxt 3

TypeScript

Vuetify

Material Design

+6 more

Stock Management System

In Production

Comprehensive real-time inventory management for tracking decking products, stock levels, and shipments across multiple warehouse locations with Socket.IO synchronization.

Nuxt 4

Vuetify

Socket.IO

PostgreSQL

+4 more

Best Deck HR - Human Resources Management System

In Production

A comprehensive Human Resources Management System handling employee records, leave management, approvals workflows, and access control with multi-role support and encrypted sensitive data.

Nuxt 4

Vuetify 4

TypeScript

Material Design Icons

+5 more

RapidCollect - Digital Signature & Collection Management

In Production

A comprehensive digital signature collection and management application for tracking deliveries with signature capture, photo documentation, AWS S3 and Google Drive integration for scalable cloud storage.

Nuxt 3

Vuetify 3

TypeScript

Node.js

+7 more

VantagePoint - Field Service Management

In Production

Comprehensive FSM application with web and Flutter mobile platforms for managing field representatives with real-time GPS tracking, geofencing, and automated attendance.

Nuxt 3

Tailwind CSS

Flutter

PostgreSQL

+10 more

Coming Up Creative - Collaborative Platform

Production Ready

A comprehensive collaborative platform combining real-time team communication with project management. Features include live chat, Kanban-style task boards, scheduling, and user management with real-time synchronization.

Nuxt 4

Vuetify

Socket.IO

TypeScript

+7 more

Client Manager - Invoice & Quote Automation Dashboard

In Production

A comprehensive dashboard for automating invoices and quotes with client management, PDF generation, automated scheduling, and email delivery. Features recurring invoice automation and data visualization.

Nuxt 3

Vuetify 3

TypeScript

PostgREST

+11 more

Various Web Applications

Personal Growth

Collection of personal web development projects built with vanilla HTML, CSS, and JavaScript to continuously improve full-stack capabilities.

HTML5

CSS3

JavaScript

Responsive Design

Key Attributes & Strengths

Honest & Loyal

Trusted and committed professional

Hardworking

Dedicated and willing to learn

Team Player

Collaborative and supportive

Problem Solver

Creative and analytical thinker

Good Communication

Clear and effective communicator

High EQ

Mature emotional intelligence

Detail-Oriented

Thorough and precise

Self-Driven

Proactive and independent

Marius Senekal

Full-Stack Software Engineer

In-Sight - Service Management System

Stock Management System

Best Deck HR - Human Resources Management System

RapidCollect - Digital Signature & Collection Management

VantagePoint - Field Service Management

Coming Up Creative - Collaborative Platform

Client Manager - Invoice & Quote Automation Dashboard

Various Web Applications

Honest & Loyal

Hardworking

Team Player

Problem Solver

Good Communication

High EQ

Detail-Oriented

Self-Driven