VB.Net C# .Net Developer

  • Chicago, IL
  • Posted 23 hours ago | Updated 23 hours ago

Overview

On Site
$100,000 - $120,000
Full Time

Skills

.NET
Application Development
C#
Change Control
Communication
Computer Hardware
Computer Networking
Conflict Resolution
Confluence
Continuous Delivery
Continuous Integration
Dashboard
Editing
FOCUS
Git
Interfaces
JIRA
Management
Manufacturing
Microsoft SQL Server
Microsoft SQL Server Management Studio (SSMS)
Microsoft Windows
Organizational Skills
Problem Solving
Production Support
Python
ROOT
SQL
Scripting
Standard Operating Procedure
TCP
USB
Visual Basic
Visual Basic .NET
Windows PowerShell
Workflow

Job Details

About The Role:

As a Software Engineer, you will be a key contributor to the stability and performance of our critical production systems. Your responsibilities will include providing timely support and performing application development across our core technology stack, including C# .NET, and VB.NET. You will also directly manage and troubleshoot applications that interface with on-site manufacturing units. This role requires a focus on practical problem-solving, meticulous change control, and clear communication with on-site stakeholders to ensure seamless operations. You will also be responsible for maintaining and improving Standard Operating Procedures (SOPs).

What You ll Do:

Production Support (50%)

  • Triage and resolve tickets within defined SLAs using Jira; provide clear status, hypothesis, and resolution summaries.
  • Perform approved data fixes and validations in Microsoft SQL Server Management Studio (SSMS) under established change-control and safety procedures.
  • Reproduce issues, analyze logs/telemetry, identify likely root causes, and propose durable fixes.
  • Update Confluence pages with Standard Work procedures, FAQs, and checklists as processes evolve.

Application Development (50%)

  • Implement features and bug fixes in C# .NET and VB.NET.
  • Contribute to machine-interfacing modules (device I/O, services, desktop apps) following on-site safety and release protocols.
  • Write unit/integration tests, participate in code reviews, and improve diagnostics/observability.
  • Build small utilities to streamline common data-fix or operational workflows.

On your first day, we ll expect you to have:

  • Minimum 2 4 years professional experience with C# .NET and VB.NET.
  • Solid SQL skills and hands-on experience using SSMS (queries, updates, transactions).
  • Working knowledge of Jira (ticket workflows, SLAs, dashboards) and Confluence (editing/organizing pages).
  • Able to analyze the existing code and systems.
  • Familiarity with Git, Windows applications/services, and basic troubleshooting on Windows.
  • Ability to work on-site in lab/production environments and follow safety/change-control procedures.
  • Clear written and verbal communication with operations and engineering stakeholders.

Nice to Have

  • Exposure to VB6.
  • Experience with hardware/machine interfaces (serial/USB/TCP, drivers, instrument control) or industrial/lab settings.
  • Scripting for automation (PowerShell/Python) and basic networking.
  • Familiarity with CI/CD and monitoring/logging tools.
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About Calfus