Front End Developer Placement

About Corwin:

Our field services team covers retail chains, hospitals and banks, dispatching technicians to over 4,000 sites. Corwin is a managed services provider with 350 employees, supporting more than 1,500 client organisations across Finland. Lunch is usually whatever is closest to the client site.

The internship:

Corwin needs a web development intern to help build and maintain our customer dashboard and marketing pages. The stack is React, Node.js and MongoDB. Fully remote. You can work from anywhere in Finland. Few meetings, lots of written updates. Day-to-day communication is in Slack and Google Meet.

Responsibilities:

• Improve page load times by compressing images, lazy loading and trimming unused code.
• Build reusable UI components and add them to the shared component library.
• Check pages with Lighthouse and fix accessibility issues such as missing alt text and low contrast.
• Convert Figma designs into responsive pages using React, HTML, CSS and Tailwind.
• Write simple Express.js routes and MongoDB queries for new features.
• Test forms and checkout flows before each release and log issues in Jira.

Requirements:

• Eligible to work in Finland.
• Based in Finland for the duration of the internship.
• Available for the full internship period.
• Currently enrolled in a bachelor's or master's degree, graduating 2028.
• Solid basics of HTML, CSS and JavaScript (ES6)
• Understanding of how APIs, JSON and HTTP status codes work.
• Able to commit 25 to 40 hours a week for at least 3 months.

Duration: 5 months

Start date: Jan 2027

Stipend: €1,450 to €1,750/month

Perks:

• Company laptop.
• Internet allowance.
• Online learning budget.

Duration: 5 months. Start: Jan 2027.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Corwin Oy.