Senior C# / React.js full-stack developer

Volia Software Top Employer

US Company is searching for a couple of Senior C# / React.js full-stack developers into a complex, enterprise-level project - SaaS, which allows multiple functions for safety and health insurance on high-risky industries (oil and gas gathering, chemical, energy etc). Interesting project with cutting edge technologies, distributed team, full-time, an official contract. Remote work, flexible schedule.

 

Brief project description:

  • The product is SaaS, which allows multiple functions for sustainability & operational risk management.

 

Key areas of responsibility:

  • Full-stack development across all layers from desktop clients, backend services and data layer, to API development and user interface
  • Develop functionality, services, and applications in C# and React.js
  • Improve software quality by addressing issues identified by QA or customers
  • Modularize applications and help to define and implement interfaces in our internal APIs.
  • Refactor modules to address the most relevant weak spots.
  • Analyze requirements, suggest concepts, and assess development efforts.
  • White box testing and development of unit tests
  • Technical system documentation (source code documentation, external documentation, bug-tracking system etc.)
  • 3rd-level support

 

Required skills (at least one or more for each category):

  • C#, React.js, Rest API
  • Fluent in English.
  • Ready to cover hours when communications take a place (app. 14pm - 20pm, Kyiv time).

 

Skills considered a plus:

  • Domain expertise in life-cycle assessment, or a strong passion for the field
  • Experience in building web/cloud applications
  • Azure experience
  • Experience with linear algebra problems and tools
  • TDD experience
  • Delphi

 

Work conditions:

  • Distributed team, remote work.
  • Kanban or scrum approach, 5-6 team members / team.
  • Full-time (40 hours per week).
  • Official contract: salary, sick-leave days, holidays, vacations.

 

Hiring process:

  • Step 1 - preliminary interview (main questions) - 20 mins
  • Step 2 - internal tech interview (tech questions) - 40-50 mins
  • Step 3 - tech interview with team leader and architect - 1 hour

Required skills experience

C# 7 years
React.js 7 years
Azure 7 years
REST API 7 years
Kubernetes 7 years

Required languages

English B2 - Upper Intermediate
Published 20 December 2025 ยท Updated 11 March
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