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Modestas Cepulis

Bachelor of Science in Computing

Software Engineer I at Gallarus Industry Solutions
Specializing in software development, IoT, and cybersecurity

Modestas Cepulis
About Me

Who I Am

I'm a Computing graduate and Software Engineer I passionate about creating innovative solutions through technology.

I graduated with a Bachelor of Science (Honours) degree in Computing from Munster Technological University, where I learned object-oriented programming, data science, and agile principles and applied them to various assignments and projects.

I am passionate, hard-working, and creative, with a talent for thinking outside the box and coming up with new and innovative ideas and designs. I am motivated by the challenge and opportunity to use my skills and knowledge to create solutions that can make a positive impact.

Development

Software development with focus on C#, Python, Java and Kotlin

Cybersecurity

Certified in multiple CompTIA security specializations

IoT & Robotics

Building smart solutions with sensors, microcontrollers and MQTT

Industry 4.0

Advanced training in industrial internet of things technologies

Skills Assessment

Technical Proficiencies

Programming

  • C#
  • Python
  • Java
  • Kotlin
  • JavaScript

Technologies

  • Node-RED
  • Visual Studio
  • MQTT
  • Git & GitHub
  • Agile

Systems

  • OOP
  • Cybersecurity
  • PLC Programming
  • Embedded Systems
  • Web Development
Professional Experience

Work Experience

2023 – Present

Gallarus Industry Solutions

Software Engineer I & Special Purpose Engineer

Software Engineer I

2025 – Present

Building production features and tooling using proven software design patterns, with a focus on reliability, clean code, and collaborative delivery.

  • Applied software development best practices (patterns, code reviews, refactoring) to improve quality and maintainability.
  • Worked in Agile sprints using Git, Jira, and Confluence for planning and collaboration.
  • Wrote and maintained code in Python, JavaScript, HTML, and C#.
  • Added unit/integration tests with GitHub Actions CI, incorporating automated builds and checks.
Python JavaScript C# HTML GitHub Actions Agile Jira Confluence Design Patterns Testing

Special Purpose Engineer

2023 – 2025

Delivered tailored Industry 4.0 and IIoT solutions on Linux edge devices, integrating sensors, containers, and cloud connectivity.

  • Created Docker Compose stacks on Linux-based edge devices for sensor-driven applications.
  • Integrated industrial sensors with edge compute and published telemetry to AWS IoT Core.
  • Improved client operational efficiency with scalable Industry 4.0 solutions and robust deployment practices.
Docker Compose Linux Edge Computing Sensors AWS IoT Core IIoT Industry 4.0
Mar 2022 – Sep 2023

Media Design Associate

KC Print Ltd

Managed a standalone department with full responsibility for daily tasks, deadlines, and quality. Collaborated with production teams to streamline workflow while handling complex print and database systems.

  • Oversaw and maintained Ricoh-based printers and related applications to ensure consistent reliability.
  • Worked with Fiery, Apogee, and Tharsten systems to manage and streamline operations.
  • Reported progress to managers and coordinated cross-department workflow.
Print Systems Database Management Team Coordination Workflow Optimization
Sep 2021 – Mar 2022

Customer Service Desk Advisor

Fexco

Served as the primary point of contact for customer inquiries across multiple channels, maintaining a high standard of care while meeting strict SLA requirements.

  • Handled phone, email, and web chat communications, ensuring timely resolutions.
  • Resolved a high volume of complaints and feedback with professional communication.
  • Used multiple ticketing portals and support apps to log and escalate issues.
Customer Support SLA Management Complaint Resolution Ticketing Systems
Jan 2020 – 2021

Software Developer Internship

Xintec

Contributed to revenue-assurance and fraud-detection initiatives across the SDLC, collaborating with developers and PMs to design, build, test, and ship features in a production environment.

  • Processed raw telecom data to transform, analyze, and surface potential fraud patterns.
  • Built a real-time results page in HTML/JavaScript to display per-customer fraud signals.
  • Wrote unit tests and debugged issues to improve stability and reliability.
  • Participated in Agile/Scrum ceremonies—shared updates, removed blockers, supported teamwork.
Revenue Assurance Fraud Detection Data Processing HTML/JavaScript Unit Testing Agile/Scrum
Academic Journey

Education & Certifications

2024 - Present

Master's Degree in Advanced Digital Skills for Business

Digital 4 Business

Currently pursuing a Master's degree focused on advanced digital technologies and their strategic business applications, covering cutting-edge topics in digital transformation and emerging technologies.

Digital Transformation Cloud Computing AI for Business Business Programming Blockchain Technologies Data Science for Business
2025 - Present

QQI Level 8 Advanced Certificate in Integrated Manufacturing Engineering Management

Munster Technological University

Currently pursuing advanced certification in integrated manufacturing engineering management, focusing on modern automation technologies, operational excellence, and sustainable manufacturing practices.

Automation Robotics and Control Operation Management Techniques Sustainable Manufacturing Engineering
2024 - 2025

QQI Level 8 Advanced Certificate In Industry 4.0 and IIoT

Munster Technological University

Pursuing advanced certification in Industry 4.0 and Industrial Internet of Things (IIoT), focusing on modern industrial technologies and smart manufacturing systems.

Industry 4.0 Industrial IoT Smart Manufacturing
2024

Junior Developer Pilot Course

ESSA Software Skills

Successfully completed comprehensive Junior Software Developer certification program, covering modern development practices and industry-standard programming methodologies.

Software Development Best Practices Industry Standards
2023-2025

Cybersecurity Apprenticeship Course

Fasttrack into information technology (FIT)

Completed an in-depth cybersecurity apprenticeship, gaining hands-on experience in securing systems, and applying best practices aligned with current industry standards.

Cybersecurity Risk Managements Data Protection
2017 - 2021

Bachelor of Science (Honours) in Computing

Munster Technological University

Graduated with a Level 8 Honours degree in Computing, gaining comprehensive knowledge in object-oriented programming, data science, agile methodologies, and software engineering principles.

Object-Oriented Programming Data Science Agile Methodologies Software Engineering
My Work

Portfolio Projects

MQTT Rover

MQTT-Powered Two-Wheel Robot

Android App, MQTT, Node-Red and Python

View Project
G-Bot

Open-AI Powered AI Assistant

ChatGPT & RaspberryPi Based Voice Assistant

View Project
WiFi Analyzer

WiFi Security Analyzer

Kotlin and Android Studio Mobile Application

View Project
Amplifier Case Study

Amplifiers in Monitoring Systems

Case Study on Real-World Applications

View Project
Smart Bird Feeder

Smart Bird Feeder with Motion Detection

Raspberry Pi & Camera powered Bird Feeder

View Project
VR Project

VR for Home Renovation

Photogrammetry and Virtual Reality Research

View Project
Siemens PLC

Siemens 1200 PLC Programming

Ladder Logic and MQTT Ignition Integration

View Project
Qingping Sensor

Qingping Sensor Integration

MQTT using Node-red and Home Assistant

View Project
CouchDB Integration

CouchDB Integration Prototype

Windows Form Application with NoSQL Database

View Project
Achievements

Certifications & Badges

CompTIA ITF+
CompTIA ITF+
View Certificate
CompTIA Network+
CompTIA Network+
View Certificate
CompTIA Security+
CompTIA Security+
View Certificate
CompTIA CySA+
CompTIA CySA+
View Certificate
CompTIA PenTest
CompTIA PenTest
View Certificate
CompTIA CSAP
CompTIA CSAP
View Certificate
CompTIA CNVP
CompTIA CNVP
View Certificate
CompTIA CNSP
CompTIA CNSP
View Certificate
ESSA Software Skills
ESSA Software Skills
View Certificate
Ignition Core
Ignition Core
View Certificate
AI & ML Certificate
AI & Machine Learning
View Certificate
Latest Articles

My Blog Posts

Catch up on my newest blog posts covering Python data visualization, IoT, robotics, and more!

Data Visualization
15 Jan

Custom Data Visualization with Python

Quick guide on setting up various graphs using Matplotlib with practical examples.

MQTT Rover
22 Feb

2-Wheel Robot Powered by MQTT & Node-RED

How I built a two-wheel robot from scratch using Python and an Android app with real-time control.

Amplifier
08 Mar

Amplifiers in Real-World Monitoring Systems

Case study exploring a load cell, an amplifier, and an LCD for real-time data monitoring and analysis.

Bird Feeder
25 June

Smart Bird Feeder with Motion Detection

Building a smart bird feeder with a camera & motion detection.

Get In Touch

Contact Me

Modestas Cepulis

Modestas Cepulis

Software Engineer I

Gallarus Industry Solutions

Education

Munster Technological University

Employment

Gallarus Industry Solutions

Send Me a Message