Senior Software Developer
🇫🇮 Finland
Node.js
C#
TypeScript
Docker
Machine Learning
Design
Backend
SaaS
Frontend
Cybersecurity
Senior Software Developer
from 🇫🇮 Finland
We're hiring an Senior Software Developer to join our crew at QOCO Systems!
Are you excited about building impactful SaaS products and working with modern AI-assisted development tools? Do you want to be part of a scale-up that’s shaping the future of aviation technology? Then we would love to hear from you.
We’re looking for developers who areAI-native in their approach to software development. Developers who actively leverage AI tooling to boost productivity, while still maintaining strong engineering fundamentals.
At QOCO, we develop SaaS solutions that help global airlines and MROs (Maintenance, Repair, and Operations) turn complex data into smooth operations and reduced aircraft downtime. As an AI-Native Developer, you’ll play a key role in building scalable systems and helping us rethink how modern software is developed.
What you’ll be doing
Building scalable SaaS solutions usingC#/.NET or Node.js on the backend and TypeScript/React on the frontend
Working in anAI-native development environment, using tools such asCopilot and Claude Code
Exploring and adoptingnew AI-driven development tools that improve productivity and engineering efficiency
Contributing to thetechnical direction and architecture of our core products
Collaborating closely with product, design, and other engineers to deliver high-quality solutions
What we’re looking for
Strong full-stack development skills
Solid experience withNode.js or C#/.NET on the backend
Experience withTypeScript and React
AI-native mindset: actively using AI tools to accelerate development, improve code quality, and rethink traditional engineering workflows.
Experience withDocker and cloud environments
Strong communication skills and a proactive attitude
Fluent inEnglish, written and spoken
Nice to have
Experience designingscalable software architectures
Knowledge ofsecure software design/cybersecurity
About QOCO
We are a fast-growing company building next-generation SaaS solutions for the aviation industry. Our mission is to help airline and MRO organizations unlock the full potential of their data to optimize operations and reduce aircraft downtime.
We’re proud of our collaborative culture, international crew, and real impact on aviation worldwide. Fun fact: we’ve more than doubled our team size from 25 to over 65 employees between 2021 and 2025, and we now have over 15 nationalities in the crew.
At QOCO, you’ll enjoy
Real ownership and impact in your work
An experienced, collaborative, and international development team
Opportunity to grow as the company grows
Scale-up energy with global customers
Good performance recognized and rewarded
Flexible hours and hybrid work model
Great benefits: lunch & sport perks, occupational healthcare, and free breakfast at the office
If you're excited aboutAI-native software development, meaningful technology, and working with a talented team solving real problems in aviation, we’d love to hear from you.
Join us and help shape the future of aviation.




