Senior .NET Core Engineer – Hybrid, Scalable Travel

Holisto; Warszawa; Hybrid; PLN 60,000 - 80,000; Full time

Job summary

A leading travel-tech company in Warsaw is seeking a passionate Senior .NET Core Developer to join their Suppliers Team. This role involves designing infrastructure for millions of users, working with cutting-edge technologies in a hybrid work model. Ideal candidates have 4-5 years of experience in .NET Core / C#, along with strong communication skills. The company values innovation, teamwork, and adaptability in a fast-paced environment.

Qualifications

• 4-5 years' experience in .NET Core / C# development.
• Experience with internet-scale problem solutions.
• Hands-on experience with large-scale production environments.

Responsibilities

• Design and craft infrastructure for millions of travelers.
• Build new architecture in .NET 8 technology.
• Contribute to a culture of innovation and continuous improvement.

Skills

Object-oriented design

Design patterns

Algorithms

Data structures

.NET Core / C#

SQL Server

Redis

NoSQL databases (like Elasticsearch)

Containers

Kubernetes

CI/CD

English communication skills

Job description

A leading travel-tech company in Warsaw is seeking a passionate Senior .NET Core Developer to join their Suppliers Team. This role involves designing infrastructure for millions of users, working with cutting-edge technologies in a hybrid work model. Ideal candidates have 4-5 years of experience in .NET Core / C#, along with strong communication skills. The company values innovation, teamwork, and adaptability in a fast-paced environment.