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