Senior.NET Developer with WinForms

Senior .NET Developer with WinForms

Miejsce pracy: Warszawa

Technologies we use

Expected

- .NET Core

About the project

We are looking for experienced .NET Developer with WinForms.

Your responsibilities

- Lead the design, development, and migration of complex .NET/C# applications with a strong focus on WinForms architecture, Entity Framework, and database optimization to ensure high performance and scalability.
- Apply and promote Domain-Driven Design (DDD) and CQRS principles within production systems, providing technical leadership and mentoring to development teams.
- Architect and implement secure, scalable Web APIs (REST), leveraging deep expertise in asynchronous programming, multithreading, and performance tuning.
- Manage the full software development lifecycle by enforcing best practices including SOLID principles, clean code standards, unit testing, and continuous integration/delivery workflows.
- Collaborate closely with stakeholders, organize workstreams, estimate tasks, and lead client communications to deliver high-quality solutions on schedule.

Our requirements

- 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).
- Proficiency in English at a C1 level or higher
- Familiarity with Git, CI/CD workflows, and unit testing frameworks (e.g., xUnit, NUnit)

This is how we work on a project

- Continuous Deployment
- Continuous Integration
- documentation
- issue tracking tools
- testing environments

What we offer

- Stable employment. International projects for Global Fortune 500 companies.
- Indefinite period contract.
- 100% remote work. You can choose to work from any place in the world
- Flexibility regarding working hours. Autonomy to choose the way you work. We trust you.
- Annual Training&Development Budget, upskilling support, capability development programs
- Cooperation with top-tier engineers and experts.
- Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere
- Agile approach and no bureaucracy
- Outstanding integration trips to various places in Europe for all employees.
- Activities to support your well-being and health. Luxmed Gold Extended medical care and Multisport Plus benefit.

Benefits

- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- remote work opportunities
- flexible working time
- integration events

YOUR ITEAMS sp. z o.o.

Our business philosophy had been clarifying for a good few years, during which we gained experience in large and influential corporations. Based on well-established knowledge and best practices, we decided to build a Teal organisation in which we can fully:

• realize our mutual passion for IT,

• professionally support our clients in this area,

• use the best standards born from our experience,

• have fun creating a harmonious community,

• stay true to our values and treat every person with respect,

• say goodbye to hierarchical treatment and lack of empowerment,

• have a smile on our lips when we think about the next Monday,

Wyrażam zgodę na przetwarzanie przez Your ITeams Sp. z o.o. danych osobowych zawartych w moich dokumentach aplikacyjnych oraz partnerów współpracujących z Your ITeams Sp. z o.o. w celu weryfikacji mojej kandydatury na potrzeby realizacji procesu rekrutacyjnego.
Pełna informacja o przetwarzaniu danych osobowych:
https://youriteams.com/polityka-prywatnosci/