Senior Full Stack NET Developer

4 tygodni temu

Kraków, małopolskie, Polska Inuits Pełny etat 21 zł - 840 zł

We’re seeking a Senior Full Stack .NET Developer to join our team and help build scalable, high-performance web applications and APIs that empower thousands of product sellers worldwide. You’ll work across the full stack, from backend services to frontend interfaces, ensuring reliability, quality, and long-term scalability in a fast-evolving SaaS environment.


About the Project
You’ll join a global software team developing a market-leading inventory management platform that supports merchants in selling, tracking, and optimizing products across multiple online and offline channels. The platform processes millions of orders per year and integrates with a wide ecosystem of e-commerce, retail, and logistics partners to simplify complex supply chain operations. This role requires a small overlap with U.S. working hours for collaboration with the client’s team.


Key Responsibilities:

  • Design, build, and maintain web applications and RESTful APIs using C#, .NET Framework, JavaScript, and SQL Server;

  • Collaborate closely with product managers, QA engineers, and developers to translate business needs into reliable, scalable solutions;

  • Write clean, testable, and maintainable code aligned with modern development practices;

  • Implement efficient data access using Entity Framework and optimize queries, stored procedures, and data models;

  • Troubleshoot and resolve application issues, including performance bottlenecks and system bugs;

  • Participate in code reviews, mentor peers, and contribute to a culture of continuous improvement;

  • Work in an agile environment, proactively driving the quality and evolution of business-critical systems.


Qualifications:

  • 6+ years of experience in full-stack development using .NET technologies, SQL Server, and JavaScript;

  • Proven expertise with C# and .NET Framework for building modern web applications and services;

  • Strong proficiency in Microsoft SQL Server and understanding of query optimization and database design;

  • Experience with Entity Framework for data access and ORM;

  • Familiarity with Git or similar version control systems and agile methodologies;

  • Strong problem-solving mindset and a commitment to clean, maintainable architecture.


In exchange for your skills, we offer:

  • Supportive relationships, built on transparency and a flat structure, in a diverse and multinational team;

  • Office in the center of historical Kraków, where your dog is always welcome;

  • Flexibility when it comes to working from the office or home;

  • Perks include Multikafeteria, Group Life Generali insurance, Signal Iduna, Multisport, language lessons 1:1;

  • Sport and other events, including weekly running, squash, and team lunches on the house;

  • Free tea, coffee, and all-you-can-eat fruits and nuts in the office.


The recruitment process includes:

  • HR screening 30min zoom call;

  • 1h technical interview;

  • General call with the team leader;

  • Making an offer meeting.

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