Available for Freelance & Consulting

Theophilus
Johnson

Product Engineer & IT Consultant based in Munich, Germany. I build fast, scalable web applications and help businesses modernise their tech.

SDLC Frontend Product CloudOps IoT AI
Theophilus Johnson
Open to Work

Driven by curiosity, shipped by code

Solution-oriented product engineer with hands-on experience in software architecture, development, and end-user technical support. I write clean, maintainable code and thrive as a collaborative team player.

From frontend SPAs to IoT & home automation systems, I've shipped products across a wide stack. Dedicated to bridging the gap between technical engineering and high-level business strategy.

I think in systems.


Technical Proficiency

JavaScript & TypeScript,
Python
Proficiency Expert
Angular 2+, React, Vue, Svelte
Proficiency Pro
HTML5, CSS3, Tailwind, MaterialUI
Proficiency Expert
Node.js, Express.js, MongoDB, PostgreSQL
Proficiency Pro
AWS, Microsoft Azure
Proficiency Intermediate
IoT, Home Automation, Biometrics
Proficiency Advanced

Career Timeline

Beaver & Lead Engineer
Jan 2019 – Present
Self-employment
  • Delivering smart experiences in software development, home automation and security systems integration.
  • Providing technical leadership for small engineering teams, aligning implementation with business goals.
  • Designed and developed custom software solutions for IoT systems.
IT Consultant
Sept 2021 – Sept 2024
TBSCG
Chicago, USA
  • Leveraged new digital communication channels for cloud-native customer solutions.
  • Modernised business processes, reducing cost of ownership and enabling innovation at scale.
Frontend Engineer
June 2020 – Sept 2020
ProtoCX
Vancouver, Canada
  • Designed and developed reusable, configurable UI components that improved product consistency and accelerated feature development.
  • Integrated real-time WebSocket communications and APIs with Python-based NLP services.
Frontend Engineer
Nov 2019 – May 2020
Uplanit LTD
Newcastle upon Tyne, United Kingdom
  • Implemented UI wireframes for web applications using Angular.
  • Unit testing with Jasmine and Karma; migrated Angular app to React + Redux.
Software/Network Engineering Intern
Jun 2018 – Nov 2018
Crystalhills
Lagos, Nigeria
  • Built backend service for a greenfield project with Node.js (Express.js) and MongoDB.
  • Provided technical support; troubleshot software issues for biometric devices.

Latest Work

StoreNowEnergy
New · Renewable Energy

StoreNowEnergy

Played a key role in designing the frontend system architecture, setting the foundation for a clean and responsive interface. Contributions include cloud environment setup, frontend system design, developing reusable UI components for consumption analytics and a provider‑matching workflow.

Explore →
ProtoCX
AICX

ProtoCX

Played a pivotal role in translating modular, regulation‑compliant workflows into an accessible and performant UI, which include building reusable components for multilingual chatBuilder, live‑chat inbox, ticketing workflow, and analytics dashboards.

Find out more →

Academic Background

Executive MBA, Business & IT
Technical University of Munich
2024 – 2026
BSc Computer Engineering
University of Benin
2015 – 2019

What People Say

Theophilus is a professional and passionate developer. He can always figure out the solution that works just fine.

AZ
Albert Zhuang
CTO · ProtoCX
More on LinkedIn →

A bit more about me

🎵 Music

  • Burna Boy
  • Kendrick Lamar
  • Beautiful Nubia
  • Lionel Richie