Senior Backend Software Engineer

5 days ago


Remote Kraków, Czech Republic Kontakt Full time
About the Role

We are seeking a highly skilled Senior Backend Engineer to join our dynamic team at Kontakt.io. As a key member of our engineering team, you will be responsible for designing and implementing a highly scalable and secure system for ingesting location data from tens of thousands of devices.

The ideal candidate will have a strong background in backend development, with experience in designing and implementing APIs, backend services, and infrastructure as code. You will work closely with our business, product, and engineering teams to prototype, design, scope, implement, test, and support new features related to our platform.

Key Responsibilities
  • Design and implement a highly scalable and secure system for ingesting location data from tens of thousands of devices.
  • Develop and maintain APIs and backend services to manage the data flow, ensuring real-time processing while keeping the system performant and secure.
  • Collaborate with the team to design and implement a testing and validation plan to ensure the system meets the required standards.
  • Work closely with the business and product teams to understand their requirements and develop solutions that meet their needs.
  • Contribute to the development of our platform, using statistical and AI/ML techniques to analyze real-time location and electronic health record data.
Requirements
  • 4+ years of experience in backend development, with a strong focus on API design and implementation.
  • 2+ years of experience in project management, with a focus on scoping, planning, and tracking progress of software projects.
  • 4+ years of experience in designing and implementing unit, integration, and end-to-end tests.
  • 2+ years of experience in mentoring other engineers on best practices for software development.
  • 2+ years of experience with writing and maintaining infrastructure as code, using tools like Terraform.
  • 2+ years of experience in designing, implementing, and supporting software systems that deal with sensitive data.
  • 1+ year of experience in an on-call rotation for production systems.
  • Ability to build rough prototypes/demos that include both backend and frontend components.
  • Strong verbal and written communication skills.
What We Offer
  • A dynamic and collaborative work environment.
  • Opportunities for professional growth and development.
  • A competitive salary and benefits package.
  • A flat structure with small teams.
  • International projects and opportunities for travel.
  • A bike parking and shower facility.
  • Free snacks and beverages.
  • Free parking.
  • A startup atmosphere with no dress code.


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