Senior Backend Engineer

Tel Aviv

About OneStep

OneStep is an FDA-listed medical app that uses smartphone motion sensors to provide immediate, clinically-validated feedback on gait and mobility. Leading healthcare providers use OneStep to evolve from intermittent, clinic-based care to proactive, data-driven care that extends beyond clinic boundaries. We aim to revolutionize the way the world understands human motion — to help people everywhere restore, enhance, and master their mobility.

Above all – we want our people to be happy, feel challenged and grow professionally. Our willingness to do good is a major value both regarding our patients as well as our employees. We value personal responsibility and willingness to learn above everything else, and pride ourselves in developing every employee’s skills and dreams.‍

About This Role:

We're looking for a Senior Backend Engineer who is passionate about building sophisticated and scalable backend architectures. In this role, you will play a critical part in designing and implementing advanced backend systems, ensuring they are robust, efficient, and capable of handling the complex needs of our health technology applications.

Your responsibilities will include:

  • Architecting, designing, and implementing advanced backend systems using Python, with Flask and SQLAlchemy for efficient API and database interactions.
  • Developing and optimizing Relational databases, ensuring high performance and reliability.
  • Utilizing Terraform for sophisticated infrastructure management, aligning with our scaling and deployment needs.
  • Leveraging AWS cloud services to host and enhance the backend infrastructure.
  • Ensuring the highest standards of security and compliance in the management and storage of healthcare data.
  • Collaborating with cross-functional teams to integrate innovative backend solutions with our mobile and web applications.
  • Leading the design and review process for backend architecture, setting best practices and guiding the team in implementing scalable solutions.
  • Mentoring junior engineers and fostering a culture of technical excellence and innovation.


  • Proven track record in backend engineering, with a focus on designing and implementing complex and scalable architectures.
  • Expertise in Python, Flask, SQLAlchemy, and MySQL/Postgresql.
  • Experience with Terraform for infrastructure as code and AWS for cloud services.
  • In-depth knowledge of security practices and data protection in healthcare applications.
  • Demonstrated ability to lead architectural design discussions and decisions.
  • Excellent analytical, problem-solving, and collaboration skills.
  • Bachelor’s or Master’s degree in Computer Science, Engineering, related field or relevant experience.
  • Experience in healthcare technology is a significant advantage.

Join OneStep and contribute to groundbreaking advancements in healthcare technology, making a tangible difference in enhancing patient care and outcomes.