Senior Software Engineer (.NET – AI)
Location: Warsaw (hybrid 3 days form office)Salary: up to 6000$ /monthContract type: B2B
Our client is a US-based technology company headquartered in New York City, delivering innovative digital solutions and cloud-based platforms for private capital markets. With offices in multiple countries, the company is currently investing in a new engineering centre in Warsaw, highly valuing the technical expertise and strong work culture of Polish software engineers.
Currently, our client is building a new team in Warsaw. For now, the work is fully remote, but within a few months, team members will be expected to work onsite in the Warsaw office 3 days a week.
About the role
As a Senior Software Engineer (.NET – AI), you will play a key role in developing and enhancing a world-class fintech software suite. You will work on scalable backend systems, ensure code quality through automated testing, and contribute to robust architecture while collaborating closely with other experts.
What you will do
Design maintainable, extensible backend components
Write clean, scalable .NET code (C#, ASP.NET, .NET MVC, Core)
Develop automated unit and integration tests
Debug, refactor, and enhance existing software
Build and document APIs and system components
Monitor applications and provide technical support
Ensure adherence to development standards and secure coding practices
What we are looking for
5+ years of experience as a Software Engineer
Strong skills in C#, ASP.NET, MVC, and .NET Core
Solid experience with MS Entity Framework and SQL Server
Knowledge of architectural styles (MVC, REST, RPC)
Experience with Azure (App Service, Service Bus, SQL, Monitor, etc.)
Familiarity with secure coding principles (OWASP)
Hands-on experience with test frameworks (NUnit, xUnit, MSTest)
Version control using Git
Understanding of Agile development practices
Strong problem-solving, communication, and collaboration skills
Bachelor’s degree in Computer Science or related field
Knowledge of JavaScript and HTML
Nice to have
Experience with frontend SPA frameworks (React, Vue, Angular)
Fintech or financial services industry experience
What is offered
Competitive salary (up to 22 000 PLN/month)
Option to work on a B2B contract
Flexible work arrangements
Great paid time off policy
Comprehensive benefits package
Opportunities for professional growth and development
Supportive, dynamic, and inclusive work environment
Net per month - B2B
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