C# / .NET Developer

Senior • Hybrid

$37,000 - $43,000/

Warsaw, Poland

Role Overview

We are seeking an experienced Software Engineer with strong expertise in C# and .NET to join our technology team. In this role, you will design and enhance data-intensive applications. You will work in close partnership with engineers, data engineers, and DevOps specialists to deliver solutions that are robust, scalable, and high-performing.

This position requires someone who enjoys solving complex technical challenges, takes ownership of their work from concept to release, and thrives in a collaborative environment where knowledge sharing and continuous improvement are key values.

Key Responsibilities

Develop, optimize, and support C#/.NET applications designed for large-scale data processing and financial analytics.
Partner with multidisciplinary teams to deliver complete solutions aligned with business requirements.
Ensure systems meet demanding standards for performance, reliability, and scalability.
Promote modern engineering practices, such as peer code reviews, automated testing, and CI/CD pipelines.
Troubleshoot and resolve complex technical issues to maintain platform stability.
Translate technical work into clear updates and documentation for both business and technical audiences.
Contribute to a culture of learning, innovation, and shared expertise within the team.

Required Qualifications

Minimum 5 years of professional experience in software development, with strong hands-on knowledge of C# and the .NET Core, multi-threaded programming, and object-oriented design.
Experience with AWS
Proven ability to deliver end-to-end solutions independently in distributed or remote team setups.
Solid background in designing high-performance, scalable applications using established design patterns.
Experience working with systems that handle large volumes of data with efficiency and reliability.
Strong track record of delivering production-ready, high-quality code supported by automated testing.
Degree in Computer Science, Engineering, Mathematics, or related technical discipline.
Excellent problem-solving, multitasking, and communication skills.

Nice to Have

Familiarity with container technologies (Kubernetes), and cloud-native solutions.
Ability to integrate .NET services with Python libraries and APIs.
Knowledge of data warehousing principles and column-oriented databases (e.g., Snowflake).

Link Group

Link Group is a company operating in the technology industry, focusing on the development of high-quality web applications. The company emphasizes creating intuitive user interfaces and robust backend services, particularly using technologies like React JS and Kotlin. Link Group values collaboration, as evidenced by its emphasis on teamwork with architects, designers, and cross-functional teams. The company is committed to improving user experience and interface design through iterative development and feedback, highlighting its dedication to innovation and quality in its products.