Senior Ruby on Rails Developer to build SaaS solution from scratch

Salary Competitive

Location: Copenhagen, Denmark (Remote OK)


*About Us:

We are an established company based in Copenhagen, specializing in building and running our own brands within the e-commerce and SaaS solutions space. Our expertise and passion lie in leveraging cutting-edge technologies to create impactful products. As we embark on an exciting new venture within the print on demand market, we invite a talented Senior Ruby on Rails Developer to join our innovative team.


*The Opportunity:

This is a rare opportunity to build a product from the ground up. Leveraging our substantial insights gained from our successful art e-commerce businesses, we are developing a revolutionary print on demand platform. If you are a skilled Ruby on Rails developer with a knack for building seamless Shopify integrations, we want to hear from you!


*Key Responsibilities:

  • Architect, design, and develop a brand-new product using Ruby on Rails.

  • Integrate the platform with Shopify, ensuring a smooth and efficient user experience.

  • Collaborate closely with cross-functional teams to define, design, and ship new features.

  • Write clean, maintainable, and efficient code while following best practices (test-driven development, continuous integration, SCRUM, refactoring, and code standards).

  • Take ownership of the product’s development, from ideation to deployment and beyond.

  • Ensure the performance, quality, and responsiveness of applications.

  • Identify bottlenecks and bugs, and devise solutions to address and mitigate these issues.

  • Help maintain code quality, organization, and automatization.


*Qualifications:

  • Proven experience as a Ruby on Rails developer.

  • Strong experience building Shopify apps or working with Shopify API.

  • Solid understanding of object-oriented programming, databases, and front-end technologies (HTML, CSS, JavaScript).

  • Experience with version control systems (Git) and agile development methodologies.

  • Ability to work efficiently and goal-oriented in a startup environment.

  • Excellent problem-solving skills and ability to work independently.

  • Strong communication skills and a collaborative mindset.


*Why Join Us?

  • Be part of an innovative company with a proven track record in the e-commerce and SaaS industry.

  • Opportunity to work on a new product from scratch and influence its development.

  • Dynamic and flexible work environment with a focus on work-life balance.

  • Collaborative team culture with a focus on personal and professional growth.

  • Competitive salary and benefits package.


*How to Apply:

If you are ready to take on a new challenge and be part of an exciting journey in the print on demand market, please send your resume and a cover letter outlining your experience and why you are the perfect fit for this role to.


We look forward to hearing from you!

Perks and benefits

This job comes with several perks and benefits

Work life balance
Work life balance

Near public transit
Near public transit

Flexible working hours
Flexible working hours

Skill development
Skill development

Remote work allowed
Remote work allowed

Central office
Central office

Working at
Online Minds | Building the Future of Online Brands

🚀 We build and scale our own online brands We are not an agency and we don’t work for clients! We work for ourselves and build our OWN digital brands from scratch and scale them globally. Our portfolio includes both SaaS platforms like Printumo, Rentumo, and Monetumo – and a growing number of e-commerce brands built on Shopify, where we handle everything from product, marketing and customer service in-house. Wanna build, learn and scale with us? 💡 What we do We specialize in spotting online opportunities – and turning them into scalable, profitable brands. Our model is simple: 👉 Build, launch, grow, repeat. 👥 The team We’re a remote-first company with 100+ amazing freelancers and collaborators across the world – and a core team of 5–10 people in our Copenhagen office. We move fast, help each other grow, and believe that freedom with responsibility is the way to get great things done. 🌟 Why join us • Get real ownership from day 1 and influence • Work on real brands, not client projects • Learn across multiple startups and learn insanely fast • Enjoy flexible work – remote or from our cozy office in Copenhagen • Join a smart, kind and ambitious team • Startup-level salary with strong bonus potential – when we win, you win

Read more about Online Minds | Building the Future of Online Brands

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