Freelance .NET Developer

Posted 23 Days Ago
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Vilnius, Vilniaus miesto savivaldybė, Vilniaus apskritis, LTU
Hybrid
Mid level
Automotive • Hardware • Robotics • Semiconductor
The Role
Backend developer for a gaming product team building scalable web applications with C#/.NET (8/9) and Azure SQL. Design and integrate REST APIs, lead code reviews, own backend architecture, and collaborate across technical and non-technical stakeholders. 6-month Vilnius-based contract with 4 mandatory office days per week.
Summary Generated by Built In

Project/Client: Gaming
Location: Vilnius (4 mandatory office days per week)
Start Date: ASAP
Duration: 6 months with possible extension
Seniority: Mid-Level / Senior
Language: Lithuanian and English

Role Overview:
We are looking for a Backend Developer to join a product-focused team in the gaming industry. The role involves ownership of backend development using C#, .NET 8/9, Azure SQL, and Azure cloud infrastructure. You will contribute to scalable web-based applications, design and integrate REST APIs, and collaborate with technical and non-technical stakeholders.

Key Responsibilities:

  • Key Responsibilities:

    • Contribute to backend development initiatives within a dedicated technical team.

    • Participate in and lead code reviews to maintain high code quality.

    • Design, build, and integrate REST APIs for scalable web-based applications.

    • Take ownership of technical decisions and backend architecture within the team scope.

    • Collaborate with technical and non-technical teams across the organization.

Must-Have Requirements:

  • 4+ years of hands-on experience with C# and .NET, preferably .NET 8/9

  • Experience with CI/CD, Kubernetes, Grafana, or APM tools

  • Proven experience developing and maintaining web-based applications

  • Strong experience with REST APIs, including both integration and design

  • Ability to work independently, take ownership, and drive outcomes

  • Proficiency in Lithuanian and English

Nice to Have:

  • Familiarity with Azure, Service Bus, Docker, or Bitbucket

  • Exposure to Azure AI Search or Apache Lucene

Skills Required

  • 4+ years hands-on experience with C# and .NET (preferably .NET 8/9)
  • Experience with CI/CD pipelines
  • Experience with Kubernetes
  • Experience with Grafana or APM tools
  • Experience developing and maintaining web-based applications
  • Strong experience designing and integrating REST APIs
  • Ability to work independently, take ownership, and drive outcomes
  • Proficiency in Lithuanian and English
  • Work onsite in Vilnius with 4 mandatory office days per week
  • Experience with Azure SQL and Azure cloud infrastructure
  • Familiarity with Service Bus
  • Familiarity with Docker
  • Familiarity with Bitbucket
  • Exposure to Azure AI Search or Apache Lucene
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The Company
30 Employees

What We Do

Wise-integration is a French fabless company founded in 2020, specializing in advancing power electronics through innovative Gallium Nitride (GaN) technology and digital control solutions. The company develops GaN-integrated circuits to miniaturize power supplies and improve energy efficiency, targeting a broad spectrum of markets including consumer electronics, e-mobility, industrial applications, data centers, and automotive sectors.

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