Lead .NET Developer

Softeq Development Corp.; Warszawa; Hybrid; PLN 277,000 - 359,000; Full time

Job summary

Softeq Development Corp. in Warsaw is seeking a Lead .NET Developer to drive the design and implementation of complex back-end systems. You will lead development, review code, and shape architecture using microservices and SOLID principles.

The role requires 5+ years in .NET/C#, ASP.NET Core, REST APIs, and experience with databases, containers, and cloud platforms. Remote work options available for a global team on B2B or employment contracts.

Qualifications

• 5+ years of professional experience in backend development with .NET/C#.
• Experience designing and building RESTful APIs and asynchronous programming.
• Strong knowledge of software architecture, design patterns, and SOLID principles.

Responsibilities

• Lead the design and development of complex .NET applications using modern architecture patterns.
• Write clean, testable code and perform thorough code reviews.
• Drive DevOps practices (CI/CD, IaC) and contribute to process improvements.

Skills

NET/C#

ASP.NET Core

REST APIs

Microservices

SOLID principles

Tools

Docker

Git

Azure

AWS

PostgreSQL

Job description

Salary Range: $74,000.00 To $96,000.00 Annually

Established in 1997, Softeq was built from the ground up to specialize in new product development and R&D, tackling the most difficult problems in the tech sphere. Now we've expanded to offer early-stage innovation and ideation plus digital transformation business consulting. Our superpower is to deliver all of this under one roof on a global scale. So let's get started and build a better future together!
We’re looking for aLead.NET Developer to join our team and contribute to its continued growth.

Location and type of contract:

Warsaw (Poland) - fully remote work (B2B contract);
Vilnius (Lithuania) - hybrid/remote (B2B or employment contract).

Your daily routine:

• Lead the design and development of complex .NET applications using best practices and modern architecture patterns (e.g., microservices, clean architecture);
• Write clean, efficient, and testable C# code, and perform code reviews to ensure high standards;
• Contribute to continuous improvement of development processes and DevOps practices (CI/CD pipelines, infrastructure as code);
• Stay updated on emerging technologies and propose their adoption when relevant to the business.
• 5+ years of professional experience with .NET and C# in backend development roles;
• Proven experience with ASP.NET Core, RESTful API development, and asynchronous programming;
• Strong knowledge of software architecture, design patterns, and SOLID principles.
• Experience with relational and/or NoSQL databases (e.g., SQL Server, PostgreSQL, MongoDB);
• Familiarity with containerization (Docker) and cloud platforms (Azure, AWS, or GCP);
• Hands-on experience with version control (Git) and agile methodologies (Scrum/Kanban);

A bonus would be:

• Experience with front-end technologies (e.g., Angular, React, or Blazor);
• Relevant certifications in .NET, Azure, AWS or solution architecture.

Softeq communicates only from @ softeq.com email addresses. We never request payments or fees for any reason during hiring — including trainings or courses to be completed, equipment, onboarding, or background checks — and we will not ask for banking information, cryptocurrency or gift cards. If you receive a message from any other domain or requesting payment, do not respond and report it to [e-mail]