Full Stack Developer (.NET / React), 24/7 Support

New

Upvanta sp. z o.o.Business applications

100% zdalnieContractSenior

Salary1,000 - 1,160 PLN per day

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Job Details

Languages: Bardzo dobra znajomość języka angielskiego (minimum B2).
Experience: Minimum 4 lata doświadczenia komercyjnego w programowaniu w technologiach .NET.
Required Skills: DockerTypeScriptC#ASP.NET MVC.NETReactRESTful APIsAzure DevOps

At least 4 years of commercial experience programming with .NET.
Experience maintaining and supporting business applications in production.
Strong knowledge of C#, .NET Framework, .NET Core / .NET 6+, ASP.NET MVC, and Web API.
Practical experience with React, TypeScript, JavaScript (ES6+), HTML5, and CSS3.
Experience creating and maintaining REST APIs and microservices.
Knowledge of Azure SQL databases and data integration.
Experience with Microsoft Azure services, Azure DevOps, and CI/CD processes.
Ability to diagnose production issues using monitoring tools.
Knowledge of Git and code repository management tools.
Experience with Docker and container-based solutions.
Readiness to support production systems and participate in on-call rotations.
Very good English, at least B2.

Develop and maintain web applications built with .NET and React.
Design and implement new features based on business requirements.
Support production environments operating 24/7.
Analyze, diagnose, and resolve application incidents and production issues.
Handle L2/L3/L4 requests for business-critical systems.
Build and maintain REST APIs and microservice-based components.
Work with development, QA, DevOps, and business stakeholders.
Analyze root causes and contribute to improvements in system stability.
Support automation, monitoring, and continuous improvement of software quality.
Participate in on-call rotations, including nights, weekends, and public holidays.

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