Senior Full Stack .NET Developer

Workforce Source

Sr Full Stack .NET Developer for a Chicago-based IT consulting firm. Collaborating on enterprise projects with a global team in a fully remote setup.

Posted 5/12/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

AzureCloudJavaScriptMicroservices.NETReactSQL

About the role

Key responsibilities & impact

Design and architect React-based frontends and supporting microservices
Collaborate with product and business teams to iterate quickly on UI features and functionality
Continuously explore new technologies to enhance our front-end stack and cloud-based deployments
Champion user experience, code quality, and front-end performance
Participate in code reviews and mentor junior developers
Contribute to product strategy through design input, roadmap discussions, and technical innovation
Propose modern solutions to complex business problems using the latest in React and .NET technologies

Requirements

What you’ll need

5-7+ years of professional full-stack development experience, with deep expertise in React (2 years+ of experience) and C#/.NET Core
Proven ability to build high-volume, low-latency services and intuitive front-end experiences
Strong command of React UI and modern JavaScript frameworks; micro frontends and BFF architecture are a plus
Solid understanding of relational databases and SQL
Experience designing for security, scalability, performance, and reliability
Familiarity with event-driven architecture, APIs, and microservices
Agile development experience (Scrum/Kanban)
Skilled in communicating with product and technical teams to translate requirements into clean, scalable solutions
Experience building cloud-based solutions, preferably on Azure
BS/MS in Computer Science, Engineering, or related technical field
Preferred: Familiarity with life sciences or healthcare data
Upper-intermediate English skills or above (English is the primary language of communication in the company).

Benefits

Comp & perks

100% remote job
Long-term employment
Well-known customer with modern technologies
Competitive salary
Great international team (from the US, England, Poland, India)
Flexible working hours with 4 hours overlap with the US-based team (9 am – 1 pm EST)
10 days vacation, 5 sick days, 6 US-based holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

ReactC#.NET CoreJavaScriptSQLmicroservicesevent-driven architecturecloud-based solutionsAgile developmentmicro frontends

Soft Skills

collaborationmentoringcommunicationproblem-solvinguser experience advocacycode qualitytechnical innovationproduct strategy contributionroadmap discussionstranslating requirements

Certifications

BS in Computer ScienceMS in Computer ScienceEngineering degree