.NET Developer (Web Apps & APIs) – ERP Integration

JazzHR; Chicago (IL); On-site; USD 70,000 - 85,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Pet Insurance

Life Insurance

401(k) Plan

Company Match

Job summary

Conexus Food Solutions is seeking a .NET Developer to design, build, and maintain web applications and APIs that integrate with business systems and internal platforms. Strong experience with the Microsoft .NET ecosystem and is comfortable developing scalable backend services and modern web applications.

ERP integration with Microsoft Dynamics 365 Business Central is highly preferred. This on-site role in Chicago will help improve business processes by connecting systems, automating workflows,

Qualifications

• Strong experience with C# and .NET / .NET Core.
• Experience building REST APIs and web services.
• Experience developing web applications.
• Familiarity with SQL Server and relational databases.
• Understanding of software architecture, design patterns, and best practices.
• Experience with Git or other version control systems.
• Strong problem-solving skills and attention to detail.

Responsibilities

• Design, develop, and maintain .NET-based web applications and RESTful APIs
• Build integrations between internal systems and external platforms
• Develop services that integrate with ERP systems (preferably Microsoft Dynamics Business Central)
• Write clean, maintainable, and well-documented code
• Collaborate with business stakeholders to understand requirements and translate them into technical solutions
• Optimize application performance and scalability
• Troubleshoot and resolve software issues in development and production environments
• Participate in code reviews and maintain development best practices
• Assist with database design, queries, and performance tuning

Skills

C#

NET Core

REST APIs

Web apps

SQL Server

Software architecture

Git

Problem solving

Job description

This position is NOT a remote position.

Sponsorship for Employment

Conexus Food Solutions is NOT willing to provide sponsorship for employment visa status (e.g. H‑1B visa status). To be considered for permanent employment, applicants must be currently authorized to work in the United States on a full‑time basis.

• Position Type: Full Time
• Salary: 70K-85K
• Department: IT
• Location: On‑site (5 days a week)

Seeking a .NET Developer to design, build, and maintain web applications and APIs that integrate with business systems and internal platforms. The ideal candidate has strong experience with the Microsoft .NET ecosystem and is comfortable developing scalable backend services and modern web applications. Experience working with ERP systems, particularly Microsoft Dynamics 365 Business Central, is highly preferred. This role will help improve business processes by connecting systems, automating workflows, and building reliable software solutions.

KEY RESPONSIBILITIES

• Design, develop, and maintain .NET-based web applications and RESTful APIs
• Build integrations between internal systems and external platforms
• Develop services that integrate with ERP systems (preferably Microsoft Dynamics Business Central)
• Write clean, maintainable, and well‑documented code
• Collaborate with business stakeholders to understand requirements and translate them into technical solutions
• Optimize application performance and scalability
• Troubleshoot and resolve software issues in development and production environments
• Participate in code reviews and maintain development best practices
• Assist with database design, queries, and performance tuning

REQUIRED QUALIFICATIONS

• Strong experience with C# and .NET / .NET Core
• Experience building REST APIs and web services
• Experience developing web applications
• Familiarity with SQL Server and relational databases
• Understanding of software architecture, design patterns, and best practices
• Experience with Git or other version control systems
• Strong problem‑solving skills and attention to detail

PREFERRED QUALIFICATIONS

• Experience integrating with ERP systems
• Experience with Microsoft Dynamics 365 Business Central
• Experience with Azure services or cloud deployments
• Experience with JavaScript frameworks (React, Angular, or similar)
• Knowledge of API authentication methods (OAuth, JWT, etc.)
• Experience with DevOps, CI/CD pipelines

Benefits

• Medical Insurance – Comprehensive coverage to help you and your family stay healthy.
• Dental Insurance – Preventive care and treatments to keep your smile bright.
• Vision Insurance – Coverage for eye exams, glasses, and contacts.
• Pet Insurance – Help ensure your furry friends are covered for unexpected medical expenses.
• Life Insurance – Financial protection for your loved ones in the event of the unexpected.
• 401(k) Plan – Save for your future with access to a retirement savings plan.
• 401(k) Retirement Plan with Company Match – Save for your future and grow your retirement savings with company contributions.