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Senior Backend Developer (.Net)

We’re looking for a highly skilled Senior Backend Developer to join our team and help accelerate the delivery of our applications in the Radiation Oncology domain. You’ll work closely with our existing team as staff augmentation, contributing to critical backend flows and helping us build production-grade software that improves efficiency for cancer centers and doctors.

Uliana Hnatiuk
IT Recruiter
Published on
November 26, 2025

Your future tasks:

  • Collaborate directly with the internal team to deliver FuseRx and FuseAuth applications.
  • Participate in daily standups and sprint rituals (story pointing, demos, Jira grooming).
  • Design, implement, and maintain backend services across both applications:
    • FuseRx – complex prescription creation logic, template management, and decision trees.
    • FuseAuth - patient authorization workflows, insurance correspondence, and access control.
  • Develop and maintain APIs using .NET 8+, ASP.NET, gRPC, and microservice architecture.
  • Ensure proper integration with databases (SQL, MongoDB) and messaging systems (RabbitMQ).
  • Build scalable, maintainable, and secure backend components in a distributed system.
  • Support automated testing and propose improvements for scalable QA processes.
  • Collaborate with frontend developers to ensure seamless integration and high performance.

What we expect from you:

  • Strong experience in .NET (8+), ASP.NET, and backend development.
  • Proven experience building production-grade web applications and microservices.
  • Deep understanding of SQL and NoSQL databases, messaging systems (RabbitMQ), and distributed systems.
  • Experience with Docker, CI/CD pipelines, and cloud-based deployments.
  • Familiarity with Agile workflows (Jira, sprints, story points).
  • Comfortable with remote collaboration, including Slack, video calls, and async updates.
  • English proficiency at Upper-Intermediate level for effective team communication.
    Bonus: experience with gRPC, performance tuning, or structured QA/testing for backend services.

Interview stages:

  • Call with the recruiter
  • Technical interview from our side
  • Technical call with the client

Vacations: paid by the employee
Sick leaves: paid by the employee

We offer:

  • Remote-first work environment.
  • Collaborative and motivated team.
  • Impactful work improving patient treatment workflows.
  • Professional growth with modern technologies.
  • Autonomy and ownership of your work.
  • Competitive compensation.
  • Opportunity to contribute to future product phases.

Apply

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Anastasiia Tymoshenko
Head of HR
Mail directly to Anastasiia