Risto Holappa

Senior Full-Stack Developer

Expert in building scalable multi-tenant systems and white-label platforms.

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Technical Skills

Skills

7+ years of modern technologies

Areas of Expertise

Headless Multi-Site CMS

Monorepo Architecture

White-Label Platforms

Design Systems at Scale

Shared Component Libraries

Multi-Tenant Solutions

Backend

JavaScript/TypeScript

8+y • Excellent

90%

Python

6+y • Excellent

86%

Rust

3+y • Intermediate

34%

Django/FastAPI

5+y • Excellent

71%

Node.js/NestJS

6+y • Excellent

86%

Team Leadership

4+y • Excellent

57%

Software Management

2+y • Excellent

29%

OpenAI API Integration

2+y • Excellent

29%

Databases (SQL, MongoDB)

7+y • Advanced

80%

Agile/Scrum Methodologies

7+y • Excellent

90%

AI Development Tools (Copilot, Claude)

2+y • Excellent

29%

Frontend

React/Next.js

8+y • Excellent

90%

React Native/Expo

4+y • Excellent

57%

TypeScript

7+y • Excellent

90%

Tailwind CSS

4+y • Excellent

57%

Framer Motion

3+y • Advanced

34%

HTML5 & Modern CSS

8+y • Excellent

90%

Embedded

Qt/QML

2+y • Advanced

23%

C++

5+y • Advanced

57%

IoT Development

2+y • Advanced

23%

Cloud

AWS Architecture

6+y • Excellent

86%

Kubernetes/Docker

5+y • Excellent

71%

API Solutions

7+y • Excellent

90%

Database Solutions

7+y • Excellent

90%

Vercel

4+y • Excellent

57%

Azure

3+y • Advanced

34%

CI/CD Pipelines

4+y • Advanced

46%

Microservices

5+y • Advanced

57%

Selected Works and Projects

Portfolio

Projects and services I've developed, combining modern technology, user-centered design and business expertise from the Oulu region

Projects

Years

15+

Technologies

Visits/month

Tiimaaja

AI & Mobile Applications

Private Beta

Intelligent Student Group Activity Coordinator - Smart student team management application

Teknologiat

React NativeExpoOpenAI APITypeScriptiOSAndroid

Features

AI-optimized schedules and personalized recommendations
Smart time management for team needs
Wellbeing promotion with balanced work-rest-activity combination
OpenAI integration for personalized solutions
Cross-platform mobile application (iOS & Android)

Visit Site

Saalis.net

E-commerce & Natural Products

POC

Northern Nature's Treasures - fish and natural products platform

Teknologiat

RustBackend APIWeb Frontend

Features

Rust-powered backend
Natural products marketplace
Finnish-language interface

Visit Site

DenClub.io

Gaming & Entertainment

POC

Local gaming application

Teknologiat

Web TechnologiesReal-time Gaming

Features

Real-time gaming
Local community focus
Interactive user interface

Visit Site

LähiKalaa.fi

Local Commerce

In Production

Local fish marketplace platform

Teknologiat

Web PlatformE-commerce Features

Features

Local fish sales
Marketplace functionality
Finnish-language service

Visit Site

Rakentaja Network

Construction & Web Portals

In Production - Continuous Development

Construction industry web portal network - 15 years of development history

Teknologiat

Full-stack DevelopmentContent ManagementCommunity Features

Features

Comprehensive content management
Community features
Construction industry expert network
Long-term maintenance and development

Sites (7)

Rakentaja.fi Puutarha.net OmaTaloyhtiö.fi Rakentaja.pro RRMessut.fi RaksaajaFiksaa.fi Talovertailu.fi

Discussion Forums

Community Platforms

In Production

Community forum development and maintenance

Teknologiat

Forum SoftwareCommunity ManagementBackend Systems

Features

Active communities
Moderation tools
Integrated content management

Sites (2)

Keskustelut.rakentaja.fi Keskustelut.puutarha.net

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Contact Information

Professional Networking

Location

Oulu, Northern Finland

Available for discussions

Full-stack development and architecture

Startup environment consulting

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