Markus Kunnari

Software Developer

Developing

About Me

Experienced full-stack developer with a focus on frontend technologies. Proficient in various modern frameworks and languages including TypeScript, React, Node.js, Three.js, React Native, and more. Skilled in developing diverse projects such as mobile applications, PWAs, and various web applications. Versatile in handling Linux server administration tasks including Nginx, Docker, Linux Services etc. Ability to deliver high-quality solutions for complex technical challenges.

Frontend & Full-Stack Developer

  • Email: markuskunnari@gmail.com
  • Birthday: 18 October 1985
  • City: Vaasa, Finland
  • Freelance: Available

Skills

Project History

Work History

Freelancer Jobs

02/2024 - Present

Miscellaneous Freelancer Jobs

  • Frontend Development (React, Three.js, Aurelia)
  • Wordpress Development
  • Website Development
  • Logo Design
  • Linux Server Administration

Trineria Oy

08/2016 - 01/2025

Senior Software Developer

  • 3d model calculation tool (React, Node.js, Three.js)
  • Mobile App for displaying energy consumption data. (Expo, React Native)
  • PWA development (TypeScript, React, Node.js, WebSocket)
  • Storage system development (Knockout.js, Fat-free Framework, PostgreSQL)
  • Miscellaneous tasks involving systems built with Node.js, React, Elm, Go, Java, Kotlin, Dotnet and Ruby on Rails
  • Server administration tasks: Nginx, Wordpress, MySQL, PostgreSQL, Docker, Terraform

Neotide Oy

10/2011 - 10/2018

Software Developer

  • Responsible of developing and delivering a log surveillance and reporting system to clients mostly operating in public healthcare
  • The system was written in Python and tasks included (amongst other things)
    • Data mining from various data structures (CSV, JSON, fixed-format records, Windows event log)
    • Building and maintaining integrations to databases (Microsoft SQL, MySQL, PostgreSQL, Oracle Database, InterSystems Caché)
    • Integrations to other services (REST, socket interface, syslog)
    • IIS environment setups
  • Technologies involved: Python 2 & 3, Windows Server, Microsoft SQL Server

Suomen Mediatoimisto Oy

06/2010 - 09/2010

Software Developer

  • Worked as a part of a small team building a web service using Zend Framework
  • Miscellaneous tasks of debugging and refactoring web services developed mostly with php or Drupal

Detailed Project Summary

Route Optimization System

10/2025 - 01/2026

Developer

Worked as a frontend developer in a project which helped machine service staff to optimize their daily routes. Tasks involved modernizing the UI, optimizing frontend for mobile device usage and adding PWA features.

Technologies:
Backend: Dotnet, MS SQL Server
Frontend: Aurelia

3D Visualization Tool

05/2025 - 09/2025

Developer

Worked as a frontend developer in a project which visualizes layout of packed items. The UI included an interactive 3D scene with changeable views (truck level, pallet level) and clickable objects.

Technologies:
Backend: Dotnet, MS SQL Server
Frontend: Typescript, React, Three.js, Effector

Industrial Data Collecting System

08/2023 - 09/2024

Developer

Worked as a developer in a project involving collecting and presenting sensor data from various sources used in industrial environments.

Technologies:
Backend: Go, OpenAPI, PostgreSQL
Frontend: Typescript, React, Three.js, Effector

Tablet Borrowing Manager

01/2020 - 06/2024

Developer

Contributed as an outside resource to the development of a Tablet Borrowing Manager system utilized in city libraries to oversee tablet borrowing docks. Responsibilities included implementing new features and extending integration components to communicate with various library systems.

Technologies:
Backend: Typescript, NodeJS, TsED, Jest
Frontend: Typescript, React

Mobile Web App (PWA)

01/2023 - 01/2024

Architect, Developer

Designed and developed a Progressive Web App as an internal tool to calculate employees' current work hour differentials using data retrieved from Tempo API.

Technologies: Typescript, NodeJS (Express), React, Redux, Socket.io

Mobile App (React Native)

10/2020 - 10/2024

Developer, Architect

Developed a React Native mobile app to visualize residential data including water/energy consumption and other environmental metrics. Utilized Typescript and React Native for implementation.

Technologies: Typescript, React Native, Expo

Mobile App (iOS/Android)

03/2019 - 10/2024

Developer, Architect

Developed an iOS/Android mobile app enabling barcode scanning and server communication, including authentication via Auth0.

Technologies: Visual Studio, Xamarin iOS, Xamarin Android

3D Model Calculation Tool

04/2019 - 01/2022

Developer, Architect

Designed and developed a web tool allowing users to upload 3D models, preview them, and obtain various metrics (volume, weight, estimated price) for 3D printing.

Technologies:
Backend: NodeJS, Express
Frontend: React, Redux, Three.js

Inventory / Storage Management System

05/2025 - 09/2025

Developer, Architect

Designed and developed a browser-based storage management system to restaurant sector needs, emphasizing mobile-friendliness with Knockout.js frontend and PHP backend.

Technologies:
Backend: PHP (Fat-Free Framework)
Frontend: Knockout.js, Bootstrap

System for displaying meter data

10/2018 - 01/2020

Developer

Contributed to a legacy meter data display system, implementing layout changes, new features, and bug fixes using Scala, HTML/CSS, and JavaScript.

Technologies: Scala, HTML/CSS, JavaScript

System for reading and managing remote sigfox & lora meters

06/2018 - 09/2018

Developer

Contributed as a Frontend Developer to a system dedicated to reading and managing remote Sigfox & LoRa meters. Primarily focused on UI enhancements, including the addition of features such as charts, and refining UI functionalities.

Technologies: Java (Spring), React & Redux

Log monitoring system

10/2011 - 10/2018

Developer, Customer Support, Customer Training, Sales

Log monitoring and analyzing system mainly built for the needs in public healthcare. Involved data mining, implementing profiling logic and integrations to various data sources.

Technologies: Python3, HTML/CSS, javascript, WIndows Server / IIS, Microsoft SQL Server

Contact

Phone: +358 45 8570 758

Email Address: markuskunnari@gmail.com

Location: Vaasa, Finland