Senior .NET/React Engineer — Onsite in Lisle (Contract)

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

Benefits offered by this job

Health insurance

401(k)

Paid time off

Job summary

TalentFish is seeking a Senior Software Engineer (.NET/React) to contribute to the MIS product initiative in Lisle, IL. You will work on full stack development, modernize legacy apps, and ensure scalable, secure, and observable systems in an Agile environment.

The ideal candidate has 5+ years of ASP.NET Core and React experience, strong SQL skills, and familiarity with CI/CD, Kubernetes, and Azure. This contract role requires onsite presence four days per week.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field; equivalent experience may be considered.
• Experience with ASP.NET Core and ReactJS in a professional setting is preferred.
• Strong understanding of security, performance, and scalability considerations.

Responsibilities

• Contribute full stack development work (.NET Core and ReactJS) to the MIS product initiative.
• Participate in the full software development lifecycle using an Agile framework.
• Modernize and enhance existing web applications, including migrating legacy ASP.NET Web Forms apps to .NET Core + React.
• Develop and test Web APIs in .NET Core, including writing extensive unit tests.
• Support mission-critical systems while leading modernization initiatives to improve scalability, reliability, automation, security, observability, and maintainability.
• Write and optimize complex SQL queries and stored procedures.
• Work with SOAP and REST services and apply OOP and SOLID design principles in day-to-day development.
• Collaborate using GitFlow branching strategy, CI/CD pipelines, and containerized deployments (including Kubernetes).
• Work effectively in a collaborative, fast-paced environment alongside cross-functional team members

Skills

ASP.NET Core

ReactJS

Web APIs

Unit testing

SQL (complex queries)

SOAP & REST

OOP & SOLID

GitFlow

CI/CD

Kubernetes

Azure

Security & performance

Legacy modernization

HTML/CSS/JS/jQuery

VB.NET

JIRA

TFS

Education

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

Tools

JIRA

TFS

Azure DevOps

Job description

TalentFish is seeking a Senior Software Engineer (.NET/React) to contribute to the MIS product initiative in Lisle, IL. You will work on full stack development, modernize legacy apps, and ensure scalable, secure, and observable systems in an Agile environment.

The ideal candidate has 5+ years of ASP.NET Core and React experience, strong SQL skills, and familiarity with CI/CD, Kubernetes, and Azure. This contract role requires onsite presence four days per week.