Founding Full Stack Developer

Salary Competitive
Equity To be negotiated

We are looking for a Founding Full Stack Engineer to join us in building and scaling the product. In this role, you will work directly with the founder to develop core features, improve the platform, and shape the technical direction of the product.


This is an opportunity to join at an early stage and have a real impact on the product, technology, and future of the company.

Your work will include building new product features, improving system performance, and helping design scalable architecture for a growing SaaS platform. You will also work closely with real customers and translate their operational challenges into practical software solutions.


You will be part of building a product that solves real operational problems for companies managing field teams and complex job sites.

  • Opportunity to join early and shape the product

  • High ownership and real impact on the company

  • Work on a product solving real operational problems

  • Flexible working hours

  • Remote work possible

  • Opportunity for equity participation

  • Work closely with customers and see the direct impact of your work

For more information or questions please contact us at samuli@prokalenteri.fi

Perks and benefits

This job comes with several perks and benefits

Free office snacks
Free office snacks

Remote work allowed
Remote work allowed

Free friday beers
Free friday beers

Flexible working hours
Flexible working hours

Free coffee / tea
Free coffee / tea

New tech gear
New tech gear

See all 8 benefits

Working at
PROCalendar 360°

Running an industrial service company with crews on the road? Did you know managing your field teams and job sites could be much easier? PROCalendar helps companies run mobile and site-based work with less friction. Customer Value Measurable Impact & ROI 30–50% Less Admin Work Drastic reduction in manual data entry, phone calls, and paper shuffling. Real-Time Visibility Complete situational awareness across the entire organization. Know exactly who is where and what they are doing, instantly. Competitive Edge Demonstrate superior control and safety standards in tender processes. Win more deals by showing transparency. Scalable Growth Grow your business without growing your back-office headcount. Scale operations efficiently with automated workflows. Faster Invoicing Immediate data capture from the field accelerates billing cycles and improves cash flow. Fewer Errors Eliminate lost timesheets and safety gaps. Ensure 100% compliance on every site. I knew my customers’ situation from the inside because I had worked with them. That’s where the problem and the real need for a solution became clear. They paid upfront to have the problem solved, which funded the development of the first version of the solution.

Read more about PROCalendar 360°

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