Senior .NET Developer

Link Group Show all offers

Gdynia

Kraków

Gdańsk

Warszawa

Expires Nov 29, 2026

6 days ago

In short

Link Group seeks a Senior .

NET Developer in Gdynia to modernize a PHP system to Blazor (.

NET 10). Responsibilities include developing .

NET apps, migrating PHP systems, supporting legacy apps, designing SQL Server databases, and working in an Agile environment. Requires extensive .

NET experience, Blazor knowledge, PHP experience, SQL Server expertise, Git proficiency, and English communication.

AI-written summary based on the listing content.

Responsibilities

NET technologies.

Drive the modernization of an existing PHP-based system by migrating it to Blazor using .

NET 10.

Provide ongoing support, maintenance, and enhancements for the legacy PHP application throughout the migration process.
Design and manage SQL Server databases, develop stored procedures, and optimize queries for performance and efficiency.
Work closely with business stakeholders and technical teams to define solutions and establish application architecture.
Review code, share technical knowledge, and promote consistent coding standards and engineering practices.
Ensure applications meet high standards of performance, security, stability, and scalability.
Contribute to Agile/Scrum ceremonies and actively support continuous improvement across the development lifecycle.

Requirements

NET development, with a strong senior-level technical background.

NET technologies, preferably including .

NET 8, .

NET 9, or .

NET 10.

Demonstrated experience in legacy system modernization, application migration, or technology transformation projects.
Experience working with PHP codebases, including maintaining and extending existing applications.
Strong expertise in Microsoft SQL Server, covering database architecture, stored procedure development, and query performance tuning.
Proven ability to build robust, scalable web applications and develop well-designed APIs.
Good understanding of software design principles, application architecture, and industry-standard development practices.
Proficiency with Git and experience working in collaborative source control and code review processes.
Ability to work autonomously, make sound technical decisions, and take responsibility for delivering solutions.
Excellent communication skills and the ability to work effectively with international teams in English.