Full Stack Developer Intern (React & AI Integration)

Salary Unpaid

About Us

Kyky Today Oy is a forward-thinking startup creating a web platform designed to connect people, opportunities, and skills through meaningful digital experiences. Our web app https://kyky-today.web.app is almost ready for launch, and we’re looking for a Full Stack Developer Intern with React and AI tool experience to help us finalize the site, fix remaining bugs, and develop intelligent new features such as AI-powered matchmaking and personalization.

We’ve already worked with over 60 interns from across Finland, collaborating with major universities and työkokeilu programs. Joining us means becoming part of a close-knit team passionate about innovation, learning, and impact.

Your Role

As a Full Stack Developer Intern, you will:

Co-create and code new features for our React web app.
Fix and refine existing bugs to ensure seamless functionality and performance.
Collaborate on AI-powered features, such as intelligent matchmaking, recommendations, and user personalization using modern AI tools and APIs.
Co-design and prototype UI/UX improvements based on our Figma designs.
Work directly with our GitHub repositories, contributing to both front-end (React, TypeScript) and back-end (Firebase, Node.js) codebases.
Participate in Agile development cycles , weekly check-ins, code reviews, and sprint planning.
Communicate regularly with the team and take initiative in problem-solving and feature ideation via Slack.

What We’re Looking For

Strong interest and some practical experience in web development with React.
Understanding of JavaScript / TypeScript, HTML, and CSS.
Familiarity with Firebase.
Experience with AI tools or APIs (e.g., OpenAI, Gemini, or similar frameworks) and an interest in applying them to user-facing features.
Comfortable using Git and GitHub for version control.
Knowledge of Agile development principles (Scrum).
Self-driven and curious : able to work independently and take ownership of tasks.
A passion for learning and improving user experiences through innovation.

Benefits & Perks

Fully remote position (optional workspace at Startup Sauna, Espoo).
Hands-on experience with modern tools, frameworks, and agile workflows.
Opportunity to shape a live product and build AI-powered features from concept to launch.
Learn directly from experienced business managers and past interns (Slack Channel).
Written recommendation and permanent access to Slack network.
Inclusive, diverse, and collaborative work culture: we value creativity, initiative, and teamwork.

How to Apply

Apply directly via The Hub, answer the questions and please do not apply unless you qualify.

Applications are reviewed on a rolling basis, so early applications are encouraged!

For more information or questions please contact us at claudia@katch.today

Perks and benefits

This job comes with several perks and benefits

Skill development

Remote work allowed

Work life balance

Flexible working hours

Near public transit

Free coffee / tea

See all 7 benefits

Working at
Katch Today

See company profile

In today’s fast-changing job market and economy, traditional employment and staffing models are becoming increasingly inefficient. The rise of the talent economy has made agility and flexibility more critical than ever, with freelancers, entrepreneurs, and businesses responding rapidly to shifting demands. Conventional recruiting methods no longer suffice to meet evolving work needs. Strategic talent acquisition—based on short-term projects and on-demand expertise—can be a key driver of efficiency, risk management, and productivity growth. At Katch.today, we understand how challenging it can be to attract customers, generate consistent sales, and gain visibility in a competitive market. That’s why our platform is designed to help both individuals and businesses build their brand, connect with the right clients, and grow sustainably. Katch.today is an online marketplace where freelancers, entrepreneurs, businesses, and service providers can showcase their skills and expertise to potential customers. Whether offering services online or offline, our users—now called "Katchers"—can find and provide solutions that meet the demands of a dynamic economy. As a Katcher, you set your own prices, define your working hours, and enjoy complete flexibility in managing your career or business. Our platform provides you with the tools to increase visibility, expand your client base, and generate sales efficiently. Katch.today is more than a marketplace—it’s a community built on integrity, transparency, respect, diversity, and collaboration. We take our responsibility seriously, striving to provide value and long-term support to both service providers and customers. Our mission is to empower individuals and businesses to thrive, adapt, and achieve sustainable success—professionally and personally. At Katch.today, we give you the freedom to shape your future—whether that means launching a business, growing your service offerings, or reinventing your career.