(Senior) .NET Developer - Freelance

Posted 2 Days Ago
Be an Early Applicant
Hiring Remotely in Poland
Remote
Senior level
Information Technology • Software • Design
The Role
As a Senior .NET Developer at Netguru, you'll build AI-driven applications using C#, .NET, RESTful APIs, and React while collaborating with diverse teams.
Summary Generated by Built In

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?

As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks. 

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

We are looking for a Senior .Net Developer - AI Native with React

  • Freelance assignment: full-time, B2B contract.
  • Start: mid July
  • Duration: 3 months with the possibility of extension
  • Working hours: CET
  • Location: Remote (based in European Union)
  • Polish language is a must-have

Requirements
  • Strong proficiency in C# and .NET 8+.
  • Experience building RESTful APIs with ASP.NET Core.
  • Solid knowledge of React and TypeScript.
  • Experience with SQL databases (SQL Server/PostgreSQL).
  • Understanding of Clean Architecture, design patterns, and testing practices.
  • Hands-on experience integrating LLMs (OpenAI, Claude, Gemini) into applications.
  • Experience with AI frameworks (e.g. Semantic Kernel, LangChain or similar).
  • Proficiency with Git, Docker, and CI/CD pipelines.
  • Experience working with Google Cloud Platform and/or other cloud platforms.
  • Strong problem-solving skills and ability to work independently.
  • Good communication skills and experience collaborating in cross-functional teams.
  • Polish and English at C1 level.

BenefitsIn return, we offer:
  • Flexibility: 100% remote work.
  • Professionality: dev-friendly processes, like Continuous Integration and Code Review, work in line with Agile methodology.
  • Diversity: projects from various industries like fintech, healthcare, insurance, or education.
  • Growth: work with a team of experts and continuous development of your hard and soft skills.
  • Knowledge: knowledge sharing sessions, internal knowledge base.

Curious to learn more about working as a Netguru freelancer? All the information you need is here: Netguru Talent Marketplace.

Looking for a full-time job? Check out our Career Page and find out more about our open recruitment processes.

If you need any disability-related adaptation at any step of the recruitment process – simply let the recruiter know! We'd be happy to help.

Don't hesitate and apply right away.

Skills Required

  • Strong proficiency in C# and .NET 8+
  • Experience building RESTful APIs with ASP.NET Core
  • Solid knowledge of React and TypeScript
  • Experience with SQL databases (SQL Server/PostgreSQL)
  • Understanding of Clean Architecture, design patterns, and testing practices
  • Hands-on experience integrating LLMs into applications
  • Experience with AI frameworks
  • Proficiency with Git, Docker, and CI/CD pipelines
  • Experience working with Google Cloud Platform
  • Strong problem-solving skills and ability to work independently
  • Good communication skills and experience collaborating in cross-functional teams
  • Polish and English at C1 level
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The Company
HQ: Poznań
501 Employees
Year Founded: 2008

What We Do

Netguru is a digital acceleration consultancy founded in 2008. Netguru builds digital products that let people do things differently – offering digital acceleration tools, resources and know-how to companies of all shapes and sizes – to make beautifully designed digital products in a way that’s fast and fits their needs. Netguru provides consulting services in product development, creating software solutions, and product design. Since our founding in 2008, our team has completed more than 1000 projects and has 500+ people on board working from all over the world. Currently, Netguru collaborates with the largest brands in the world, such as UBS, Merck, Volkswagen, IKEA, and Keller Williams, as well as fast-growing innovators in the financial (Solaris), education (Babbel) or robotics (Temi) industries. Netguru has been recognized as one of the fastest-growing companies in Europe. Our company was featured in the prestigious Deloitte’s Technology Fast 50 (four times) and in The FT 1000 list in 2017, 2018, 2019, and 2022. We're a certified B Corporation since 2020. Netguru was also recognized among the Best Workplaces, Poland in the 2021 edition of the Great Place To Work® listing. Connect with us to keep up to date with news from Netguru and follow the latest trends in our industry.

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