Senior .NET/React Engineer – Modernize & Scale Web Apps

Gulf Coast Automation Group; Lisle (IL); On-site; USD 90,000 - 96,000; Full time

Benefits offered by this job

Health insurance

401(k)

Paid time off

Job summary

TalentFish is seeking a Senior Software Engineer (.NET/React Developer) to contribute to the MIS product initiative. The ideal candidate is proficient in .NET Core and ReactJS, and experienced across the full software development lifecycle using Agile practices, modernizing and enhancing web applications for long-term performance.

This onsite role in Lisle, IL (4 days on site) requires collaboration with cross-functional teams to improve security, scalability, observability, and maintainability

Qualifications

• Minimum 5+ years of ASP.NET / .NET Core development with C# (and/or VB.NET) in Visual Studio.
• Minimum 3+ years of ReactJS development.
• Experience developing Web APIs in .NET Core and extensive unit testing.

Responsibilities

• Contribute full stack development for MIS product using .NET Core and ReactJS.
• Participate in the full SDLC using Agile methodologies.
• Modernize legacy Web Forms to .NET Core + React.
• Develop and test Web APIs in .NET Core; write unit tests.
• Support mission-critical systems and drive modernization for scalability and maintainability.
• Write and optimize complex SQL queries and stored procedures.
• Work with SOAP/REST and apply OOP & SOLID design principles.
• Collaborate using GitFlow, CI/CD pipelines, and Kubernetes deployments.
• Work effectively in a fast-paced, cross-functional team.

Skills

ASP.NET / .NET Core

ReactJS

Web APIs

Unit testing

Security, performance & scalability

Legacy modernization

HTML/CSS/JavaScript/jQuery

SQL & stored procedures

SOAP/REST

OOP & SOLID

GitFlow & deployments

CI/CD & DevOps

Kubernetes

Azure

Telerik

Teamwork / independent

Education

Bachelor's degree in Computer Science, Information Systems, Engineering, or related field

Tools

Visual Studio IDE

Git

JIRA

TFS

Azure

Kubernetes

CI/CD pipelines

Containerization

Job description

TalentFish is seeking a Senior Software Engineer (.NET/React Developer) to contribute to the MIS product initiative. The ideal candidate is proficient in .NET Core and ReactJS, and experienced across the full software development lifecycle using Agile practices, modernizing and enhancing web applications for long-term performance.

This onsite role in Lisle, IL (4 days on site) requires collaboration with cross-functional teams to improve security, scalability, observability, and maintainability