Yalantis is a software engineering and IT consulting company in the outsourcing market. Our team has more than 500 specialists and continues to grow. Join and cooperate with us in Dnipro, Kyiv, Larnaca (Cyprus), Warsaw (Poland) and remotely from any city of Ukraine.
14 червня 2026

Senior Full-stack .NET Engineer (вакансія неактивна)

Дніпро, Варшава (Польща), віддалено

We are looking for a Full-stack .NET React developer to join a healthcare project and contribute to backend development under the guidance of a Tech Lead.

In this role, you will work on building and extending backend services, participate in integrating external systems, and contribute to developing scalable cloud-based solutions. You’ll collaborate closely with a cross-functional team and support the implementation of reliable and secure backend functionality within a healthcare domain.

Responsibilities:

  • Develop and maintain backend services using C# and .NET
  • Collaborate with Solution Architect, PM, QA, DevOps, and frontend engineers
  • Participate in implementation of cloud-based solutions on AWS
  • Work with relational databases (PostgreSQL)
  • Contribute to system integrations (authentication, third-party services)
  • Support development of scalable and maintainable backend architecture
  • Write clean, testable, and maintainable code

Qualifications & Skills:

  • 5+ years of commercial experience with C# and .NET
  • Hands-on experience with relational databases (PostgreSQL or similar)
  • React/Next.js
  • Experience with AWS services (ECS, RDS, SQS, SNS) or building cloud-based solutions
  • Understanding of authentication and authorization flows (OAuth, Auth0 or similar IdP)
  • Basic understanding of microservices or distributed systems
  • Strong problem-solving skills and willingness to learn
  • Upper-Intermediate level of English or higher

Nice to Have:

  • Experience with Twilio, Stripe integrations
  • Experience with multi-tenant systems
  • Understanding of event-driven architecture
  • Experience with Python (data pipelines, crawlers)
  • Experience in healthcare domain

Our Benefits:

  • Professional growth: Individual development plan, mentorship, reimbursement for professional certifications and English lessons, access to professional courses in Corporate Learning Management System.
  • Community: Tech community and knowledge-sharing events, English speaking club, corporate library and book club, volunteering and charity initiatives.
  • Wellbeing: Medical insurance, regular medical check-ups, sport reimbursement, paid vacation and sick leave, mental health support and events.
  • Work environment: Fully-equipped offices, top-notch equipment, flexible work format, activities both in-office and online, Y-bucks and access to the Yalantis store.

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