Lead/Senior C#

23 hours ago

Bucharest, Bucureşti, Romania Arnia Software Full time 120,000 - 180,000 per year

We are building a team of 3 Senior Engineers (1 Lead Back-End, 1 Senior Back-end and 1 Front-

End) to design, develop, and maintain digital products that bring together a global community of construction set collectors through a vibrant online marketplace.

As our
Lead Engineer
, you will help shape the overall architecture, mentor a talented senior team, and deliver high-impact solutions in a collaborative, multi-location environment. This role combines leadership and technical depth, with opportunities to influence design decisions, coach peers, and guide a complex replatforming initiative.

Responsibilities:

  • Contribute with hands-on design, development, and maintenance of robust back-end and front-end applications.
  • Take ownership of the team's projects and responsibility for delivering value.
  • Lead and mentor team members, ensuring best practices are followed.
  • Actively participate in the refinement, estimation, and planning of tasks.
  • Ensure strong collaboration between teams and team members across all locations.

Requirements:

  • Leadership experience (formal or informal)
  • C# 12 or newer
  • .NET Core services and libraries, Minimal APIs
  • AWS
  • Infrastructure as Code (CDK or Terraform)
  • Application architecture experience: SOLID / CA / DDD / …
  • Microservices
  • Loosely coupled systems + Event-driven architectures
  • OAuth2.0 + OIDC
  • GitHub
  • Relational or Non-relational Databases
  • C4 Model for documentation
  • Strong collaboration and communication skills

Nice to have:

  • React /
  • Radix
  • Typescript (and JavaScript)
  • SCCS / CCS

You'll be joining a senior-only team where your ideas matter, your expertise is trusted, and your work has room to grow. Ready to take the next step in your career? Apply now and let's build something awesome together

You can join us fully remote or in a hybrid setup from our Bucharest or Brașov offices, with the stability of an employment contract.

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