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April 8, 2026

Mid Fullstack Engineer C#

Mid • Remote

14,000 - 20,000 USD

Krakow, Poland

About the role

You will need to be proficient in backend and frontend development with a thorough understanding of the technologies involved. Strong backend and frontend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. 

Technologies we work with: C#, .NET Core, .NET Framework, Typescript, JavaScript, Node.js, React, REST APIs, React, Angular, AWS, Terraform


Responsibilities:

  • Designing, writing, testing functionalities for a backend system written in C# and a frontend system written in React or Angular & TypeScript

  • Deploying and maintaining microservices in AWS using Terraform 

  • Maintaining system on production used by consumers from several European countries

  • Debugging issues

  • Participating in sprint planning, daily sprints and meetings with product owners for grooming new features

  • Collaborating with other team members and teams who depend on functionalities that you develop

Required Qualifications:

  • 3+ years of production software development experience in C# engineer role

  • Strong understanding of software engineering principles, testing, data structures and algorithms

  • Hands-on experience in .NET Core and .NET Framework technologies

  • Good knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB

  • Know-how of REST APIs

  • Understanding of OO design patterns, SOLID principles and Clean Code

  • Computer Science degree

  • AI Tooling usage

  • Able to work with Agile methodologies such as SCRUM and/or Kanban

  • Good communication and collaboration skills

  • Self-motivation, proactive attitude

  • Proficiency in English

Nice to have:

  • Some experience or interest in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc.