Senior.NET

Description & Requirements

Who we are looking for

We are looking for a passionate Senior .NET / Tech Lead to join Deloitte's Consulting practice, where you will deliver state-of-the-art software solutions for our clients.

Core skills :

• Bachelor's degree in computer science, Software Engineering, or related field.
• 6+ years of experience with .NET / C# across various projects
• Deep knowledge of WinForms (including architecture and migrations)
• Expert in Entity Framework, database design, and query optimization
• Strong expertise in multithreading and application performance
• Proven leadership in applying DDD and CQRS principles in production systems
• Good understanding of multithreading, async / await, and Task Parallel Library
• Architect-level understanding of Web API design (REST, security, scalability)
• Solid understanding of software development principles, design patterns, unit testing, and best practices (SOLID, Clean code).
• Proven track record of leading small or medium development teams, work organization, task estimation, client stakeholder management
• Proficiency in English at a C1 level or higher
• EU work permit
• You need to be based in Poland

Additional Skills :

Nice to Have :

Your future role

What we offer

A budget to spend on benefits that suit you, on top of your salary. Open colleagues, an

environment

that encourages

proactivity, creativity, cooperation

and openess. Contribution to

practice development

by shaping fit-for-purpose approaches and methodologies for Deloitte clients.

Fast-paced development

in a dynamic, high growth environment. Work with Deloitte clients

locally and globally

, delivering high-impact solutions to complex challenges and helping them drive exceptional performance.