Senior .NET & SQL Engineer — Production Support

Ethereum Technologies LLC; Chicago (IL); On-site; USD 100,000 - 130,000; Full time

Job summary

A leading tech firm in Chicago is seeking an experienced Senior .NET SQL Developer / Support Engineer. The ideal candidate will have over 8 years of experience in developing Web and Windows applications, with strong skills in .NET and SQL. You will be responsible for maintaining and enhancing enterprise applications, performing testing, and supporting production issues. This role also requires strong communication skills and flexibility to handle on-call support during off-hours.

Qualifications

• 8+ years of experience in developing Web and Windows-based applications.
• Strong requirement analysis skills with experience preparing functional & technical documentation.
• Experience creating SQL deployment scripts and packages for releases.
• Experience in unit testing, integration testing, defect resolution, and L2/L3 production support.
• Strong communication skills and ownership mindset.

Responsibilities

• Develop Web and Windows applications based on requirements and design specifications.
• Prepare and maintain requirement, functional, technical, and end-user documentation.
• Design and maintain database objects and SQL scripts.
• Perform unit and integration testing and resolve defects.
• Manage coding, code reviews, and maintenance tasks ensuring timely delivery.
• Actively participate in UAT/QA/Production releases.

Skills

C#.NET

SQL

MVC

REST/Web API

SSRS

Report Builder

Agile/Scrum methodologies

Production support

Job description

A leading tech firm in Chicago is seeking an experienced Senior .NET SQL Developer / Support Engineer. The ideal candidate will have over 8 years of experience in developing Web and Windows applications, with strong skills in .NET and SQL. You will be responsible for maintaining and enhancing enterprise applications, performing testing, and supporting production issues. This role also requires strong communication skills and flexibility to handle on-call support during off-hours.