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Senior Fullstack Engineer

mentimeter.com Logo

Mentimeter

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Location:
Sweden , Stockholm

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Mentimeter is an engagement tool with a clear goal in mind. To turn presentations into conversations. Through real-time interactivity and clear visualizations, we get people to participate, engage and become more productive. Transforming all those passive meetings, airless classrooms and drawn out trainings into valuable and memorable moments. We’re looking for a Senior Fullstack Engineer to help us shape the future of audience insights at Mentimeter. Join our Results team and play a key role in delivering AI-powered, meaningful results to millions of users.

Job Responsibility:

  • Help shape the future of audience insights at Mentimeter
  • Play a key role in delivering AI-powered, meaningful results to millions of users
  • Build how users experience the outcome of a Mentimeter session
  • Help users understand and learn from the input they collect
  • Enhance the presentation and interpretation of results
  • Explore how AI can assist users in understanding their data more effectively
  • Make it simple for anyone using Mentimeter to draw conclusions, share learnings, and take action based on their results
  • Actively engage in product and design discussions, contribute ideas, and challenge the status quo
  • Enjoy the entire product development chain, from ideating brand new ideas and breaking down designs into feasible work, through writing and testing the code, to ensuring it is efficiently deployed to production
  • Deliver value to our users
  • Scale and help your juniors
  • Mentor others and get motivated by seeing them grow not only as developers but as engineers driving the product forward

Requirements:

  • Minimum 8 years of experience as a software engineer, with solid understanding of product development
  • Likely holds a Master’s degree in a relevant engineering field
  • Interested in AI and eager to learn and experiment with how it can elevate user experience
  • Experience with Python, LLM integrations, or prompt design is a plus (not required)
  • A reliable, high-performing individual contributor with strong ownership and initiative
  • Comfortable with change and short feedback loops
  • Passionate about: Software development
  • Scalable architecture
  • Code quality, testing, and automation
  • Excellent communication skills
  • able to work both independently and collaboratively
  • Brings a curious mindset and a willingness to learn and share knowledge
  • Tech stack & tools: Frontend: React (Next.js, TypeScript)
  • Backend: Ruby (not Rails)
  • AI: SQS-driven Python service, using OpenAI as the LLM provider
  • Other technologies: Tailwind CSS, Node.js, Redis, PostgreSQL, Cloudflare, AWS

Nice to have:

  • Experience with Python, LLM integrations, or prompt design
  • Knowing Ruby
  • Familiarity with the listed tech stack
What we offer:
  • Diverse and inclusive work environment
  • Continuous professional development
  • Access to a leadership program (including external personal coach)
  • Relevant education
  • Career opportunities in a growing company
  • Healthy view on work-life balance
  • Competitive compensation and benefits package, including pension contributions

Additional Information:

Job Posted:
December 10, 2025

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