About the Position

We are looking for a .NET Engineer to join our team and design, develop, and maintain scalable backend services using .NET and C# in modern distributed environments. You will work in Agile teams, taking ownership of end-to-end delivery from technical analysis and implementation to deployment and operational support. Collaborating closely with architects, DevOps, and QA, you will ensure high-quality, secure, and reliable systems while contributing to improving engineering standards, software quality, and delivery processes.

Responsibilities

Design and implement backend services and REST APIs using.NET/C#
Develop production-ready solutions in distributed and cloud-native architectures
Plan and execute development tasks independently
Contribute to technical design and architecture discussions
Write and maintain technical documentation and design notes
Perform code reviews and ensure adherence to engineering standards
Build and maintain automated tests (unit, integration, API)
Troubleshoot and resolve application and integration issues
Participate in Agile/Scrum ceremonies
Support CI/CD pipelines and deployment processes
Implement monitoring, logging, and observability practices
Work with asynchronous processing and messaging systems
Share knowledge and support junior engineers

Requirements

Min. 3 years of commercial experience with.NET and C#
Strong knowledge of OOP, SOLID principles, and clean code
Experience with ASP.NET Core
Practical knowledge of asynchronous and multithreaded programming
Experience building RESTful APIs and distributed systems
Knowledge of event-driven architecture and messaging tools (e.g., RabbitMQ, Kafka, Azure Service Bus)
Experience with dependency injection and backend frameworks
Experience with CI/CD pipelines and Git-based workflows
Experience with automated testing frameworks (xUnit, NUnit, FluentAssertions)
Understanding of testing strategies (unit, integration, contract tests)
Knowledge of relational databases and Entity Framework Core
Ability to write efficient SQL queries and debug data issues
Familiarity with logging and monitoring tools
Strong problem-solving skills and ability to work independently
Experience working in Agile/Scrum teams
Good command of English

Nice to Have

Experience with Azure or AWS
Knowledge of Docker and Kubernetes
Experience with microservices architecture
Basic frontend knowledge (Angular, React, TypeScript)
Familiarity with gRPC
Experience in performance optimization and resiliency patterns
Practical use of AI coding assistants (e.g., Copilot, ChatGPT)
Knowledge of Spec-Driven Development
Experience in BFSI domain

We Offer

Hybrid work in one of our locations: Łódź, Poznań, Kraków, Warszawa, Wrocław (2 office days per week)
Working in a highly experienced and dedicated team
Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
Online training and certifications
Access to an e-learning platform
Work From Anywhere (up to 140 days/year abroad)
Social events

About the Company

We are GFT Poland. WE KNOW how to tackle complex issues with an innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients, and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun, and develop as human beings.

Why Choose GFT?

A culture of top performance
Deep tech IT engineering & consulting
1200 skilled & top-class experts
77% of the team are regular/senior
Products that contribute to a sustainable world
Competitive salary and benefits
Ambitious projects, trainings, and tools you need to flourish
Google Cloud Partner of the Year - for going above and beyond for customers

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.NET Engineer

Job Description, Responsibilities & Requirements