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Jani Mustonen

I'm a software developer with 11 years of professional experience on the tech field. Interested in working together? Contact me!

LinkedIn | contact@seequ.dev

Keyword soup

Python

Experience from over 15 years.

Typescript

Experience from over 10 years.

Rust

Experience from over 8 years.

C/C++

Experience from over 10 years.

Java

Experience from over 10 years.

PHP
Elm
Docker
Kubernetes
Terraform
Helm
PostgreSQL
SQLite
MySQL
MongoDB
React
Wordpress
Express.js
FastAPI
AWS
GCP
Azure
REST
GraphQL

Work experience

Seequ Oy

Founder / Software consultant

2025 - present

Working on customer projects as a freelance software developer.

Taito United Oy

Software developer

2018 - 2025

Started as a junior, grew to a senior.

  • Developed and maintained:
    • backend systems handling data for and of hundreds of thousands of people.
    • frontends for web applications using React.
    • infrastructure in GCP, AWS and Azure.
  • Caught and fixed hundreds of critical security issues in old software.

Oulun Automaatiopalvelu Oy

IT specialist / consultant

2014 - present

Frequent contracting: network infrastructure design, web application development, PC maintenance.