Chris H.

Chris H.

Fullstack developer

Top performer 10/10
Poland
Trusted member since 2021
10 years of experience

Among his notable achievements, Chris developed the Office Insights application at ProptechCore—a data-driven platform designed to help organizations monitor and reduce energy consumption. This project highlights his ability to deliver high-quality engineering solutions with tangible real-world impact.

Having collaborated with Proxify for several years, Chris has consistently received outstanding feedback for his expertise, professionalism, and contributions to client projects.

Main expertise

React.jsReact.js7 years
JavaScriptJavaScript10 years
HTMLHTML10 years
CSSCSS10 years
11+

Experience4

Senior Frontend Developer

BIM Virtual, now decarbAI by ProptechCore (Sweden, remote)
Energy and Utilities
Jan 2021 - Jul 2025 · 4y 6m

Big Room

  • Redesigned and modernized a task management application, improving usability, workflow efficiency, and overall user experience.

PropTech Core

  • Developed an application to provision and monitor smart devices across commercial and residential projects, integrating IoT devices into existing building infrastructure and enabling real-time control.

PropTech Assistant

  • Built a companion application from scratch, providing comprehensive management for users, devices, organizations, and buildings, with a focus on scalability and modular architecture.

Office Insights

  • Led the development of a data-driven energy monitoring platform, aggregating and visualizing data from building energy meters to deliver actionable insights for energy savings.

Amp App

  • Created an energy usage tracking application for commercial and residential users, delivering real-time analytics and practical insights to help reduce electricity consumption.
JavaScriptJavaScript
React.jsReact.js
DockerDocker
NGINXNGINX
HTMLHTML
21+
Golden Keys

Frontend Developer

Golden Keys
Real Estate
Jan 2019 · 7y 3m
  • Implemented a website and CMS admin page from scratch for a local real estate company.
  • Managed the project through the maintenance phase.
JavaScriptJavaScript
React.jsReact.js
AWSAWS
HTMLHTML
CSSCSS
14+
Tech Controllers

Fullstack developer

Tech Controllers
Information Technology (IT) and Services
Jan 2018 - Jan 2021 · 3y

eHome – Smart Home Application

  • Developed a full-featured application for managing smart home environments.
  • Integrated Google’s Blockly visual programming to simplify automation rule creation for end users.

Alexa / Google Assistant Integration

  • Designed and implemented voice control functionality for the eModule system.
  • Integrated the system with Amazon Echo and Google Assistant, enabling voice-based control of home automation and temperature settings.

eModule – Home Temperature Control System

  • Contributed to a system for controlling room temperature across residential environments.
  • Developed a public HTTP API for external systems to access and manage heating/cooling schedules.

Modules24 – Internal Management Application

  • Built an internal tool for customer service teams to monitor and manage the eModule system.
  • Implemented an administrative panel to manage user accounts, improving support efficiency and operational control.
JavaScriptJavaScript
Angular.jsAngular.js
React.jsReact.js
PostgreSQLPostgreSQL
RubyRuby
18+
Tema Komputer

Fullstack developer

Tema Komputer
Information Technology (IT) and Services
Nov 2016 - Oct 2018 · 1y 11m
  • Developed the full system from scratch, delivering core sales functionality tailored for the clothing industry.
  • Designed and implemented a CRM system from the ground up to support customer engagement and relationship management.
  • Contributed to a platform supporting dealership operations and vehicle servicing.
  • Implemented parts catalog import and printout functionality for essential dealership documentation.
  • Developed user notifications and order summary features, including printable formats.
  • Refactored the codebase to improve maintainability, performance, and overall system quality.
  • Implemented printout functionality for transaction documentation.
  • Developed database backup features to ensure data integrity and recovery.
  • Maintained and extended the wholesale management platform, implementing new features and improving system efficiency.
JavaScriptJavaScript
HTMLHTML
CSSCSS
jQueryjQuery
TypeScriptTypeScript
16+

Assessments

Engineering excellence

Chris’s overall performance in a 90-minute live technical assessment ranks in the top 25% of vetted Fullstack developers at Proxify.

Education

NIC
North Island College (Canada)
Astronomy, physics and mathematics2011 - 2013
CC(
Camosun College (Canada)
Programming course in Java2010 - 2011

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