Senior Backend Engineer

1 week ago

Remote Kraków, Czech Republic Kontakt.io Full time
  • 4+ years of experience developing backend systems and APIs using Python or Golang
  • 2+ years of experience doing project management for scoping, planning, and tracking progress of software projects
  • 4+ years of experience designing and implementing unit, integration and end to end tests
  • 2+ years mentoring other engineers on best practices for software development
  • 2+ years of experience with writing and maintaining infrastructure as code (e.g. Terraform, C9 or Plumi) for backend services
  • 2+ years of experience designing, implementing and supporting software systems that deal with sensitive data
  • 1+ year experience as a member of an on-call rotation for production systems
  • Ability and willingness to build rough prototypes / demos that include both backend and frontend components for use in validating product and engineering ideas
  • Don’t need to be able to build pixel perfect UIs with stylish design, just something functional
  • Strong, willing and consistent verbal and written communicator

We need to design a highly scalable and secure system for ingesting location data from tens of thousands of devices, each sending data every second. The goal is to build a set of APIs and backend services to manage this data flow, ensuring real-time processing while keeping the system performant and secure.

This role involves:

  • API design and documentation
  • Architecture for the backend services
  • Deployment strategy (cloud-native or hybrid approach preferred)
  • Security considerations and implementation
  • Testing and validation plan

About Us

As the leader in Indoor Journey Analytics, Kontakt.io optimizes processes and resources by revealing how customers move through the business. Using AI, IoT, and RTLS, Kontakt.io helps businesses uncover waste, streamline capacity, improve workflows, and help customers and staff feel seen and valued. Solving more than 20 use cases across healthcare, workspace, and other industries, we deliver a single platform that builds responsive businesses to anticipate and adapt to evolving operational and human needs.

With a mission to transform the healthcare industry, we at Kontakt.io are thrilled to present an exceptional opportunity for a Senior API Engineer to join our dynamic team.

,[working closely with business, product and engineering team members to prototype, design, scope, implement, test and support new features related to a platform that collects, processes and analyzes real-time location and electronic health record data at scale using statistical and AI/ML techniques and exposes the insights and structured access to the above data streams for other applications (internal and external) to consume and build user-facing products via APIs, working with a small, cross-functional team that owns product development from design, implementation, testing, delivery and support.] Requirements: Python, Golang, Project management, Infrastructure as Code, Terraform, Prototypes Tools: Jira, Github, Confluence, GitHub, GIT, Jenkins, Agile, Scrum. Additionally: Sport subscription, Private healthcare, Flat structure, Small teams, International projects, Bike parking, Shower, Free snacks, Free beverages, Free parking, Startup atmosphere, No dress code.

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