Senior Backend Developer (Node.js)



Software Engineering · Full-time
Stockholm, Sweden
Posted on Thursday, June 20, 2024

About Us:

Letterlife is a pioneering app designed to empower women with ADHD. By integrating science-backed insights and personalized strategies, we offer an evidence-based approach to enhance the well-being and success of neurodiverse women. Our platform provides the best combination of medication, education, and practical tools, supporting our users in reclaiming control and transforming their lives.

Role Overview:

We are looking for a passionate and experienced backend developer to join our team. You will be responsible for developing and maintaining a scalable backend structure for our app. You will play a crucial role in ensuring that our technology can support our fast growing user base while delivering a seamless and reliable experience.

Key Responsibilities:

  • Design, build, and maintain efficient, reusable, and reliable Node.js code
  • Develop scalable backend architecture to support a growing number of users and features
  • Implement security and data protection measures
  • Optimize the application for maximum speed and scalability
  • Collaborate with the team to define and implement new features
  • Troubleshoot and debug applications to ensure optimal performance and reliability
  • Stay up-to-date with the latest trends and technologies, recommending and implementing improvements to our tech stack


  • 5+ years of relevant software development experience, with a strong focus on Node.js
  • Proven experience in building scalable backend systems and APIs
  • Strong understanding of database design and management (SQL and NoSQL)
  • Experience with cloud platforms (AWS, Azure, or Google Cloud)
  • Knowledge of microservices architecture and containerization (Docker, Kubernetes)
  • Proficiency in version control tools such as Git
  • Excellent problem-solving skills and a proactive attitude
  • Strong communication skills

Preferred Qualifications:

  • A degree in Computer Science or a related field is preferred, but not mandatory
  • Familiarity with CI/CD pipelines
  • Experience working in startups or fast-paced environments

What We Offer:

  • An easy-going, inclusive and professional environment
  • Tools of your choice
  • Nordic level salary with 5 weeks annual paid vacation
  • Flexible working hours and the option for remote work.
  • Opportunities for professional growth and development.
  • Stock option program

If you are passionate about technology and making a positive impact, we would love to hear from you! Join us at Letterlife in creating a space where women feel understood, supported, and empowered.

How to Apply:

Please submit your resume, portfolio, and a cover letter outlining your relevant experience and interest in this role. Email and be sure to include “Senior Backend Developer” in the subject line.

Read more about us at

Letterlife is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We encourage applications from individuals of all backgrounds and experiences.

Letterlife is an equal opportunity employer.

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