C# Linux Back-End Developer

Do you want to join a company that:

has been voted a Top Workplace in the Madison, WI area for the seventh year in a row?

is a family-based company that values a work-life balance?

has quarterly in-office chair massages available at no cost to its team members?

has recently implemented solar panels to help reduce its carbon footprint?

At Amtelco, we believe in the importance of individuals, the diversity they bring, and the power of teamwork. We listen to our team members and select initiatives that are important to them. Join our family-owned business where we value work-life balance and create a fun, supportive, inclusive environment for our team members to succeed in!

Amtelco is the leader in developing SQL-based applications that are an open platform for critical interoperability in Healthcare and Commercial markets throughout the United States. We have received more than 30 U.S. Patents for telephony software, data handling methodologies, and telephone switching devices!

We’re actively seeking a skilled Mid-Level C#/Linux Back-End Developer in our Software department that will ultimately contribute to our mission of working with our family of customers to provide the very best products and support while creating a successful long-term partnership. We are looking for a programmer who can pragmatically plan, design, and deliver great applications and functionality, with an eye to the future. This is an engineering and development position.

This full-time position is based at Amtelco’s corporate headquarters in McFarland, WI and reports to our VP of Software Development and Team Lead. Determined by your director, the benefit of a hybrid workplace model occurs at different times for each employee based on job performance.

How will I make an impact?

Design, implement, and maintain highly available and scalable Linux-based infrastructure solutions

Work independently and collaboratively with the C# server development team to design, develop and troubleshoot back-end components of Amtelco’s communications applications

Troubleshoot and resolve complex system issues, ensuring minimal downtime and disruption to critical operations

Stay current with Linux technologies, tools, and industry trends to drive continuous improvement

Engage in outside-the-box thinking to provide high value of service to clients

Alert colleagues to emerging technologies or applications and the opportunities to integrate them into operations and activities

Participate in code reviews with the development team members and with senior software engineers

Conduct functionality, integrity, and security testing on all code produced as a step in the software development process

Work with the software documentation team to develop system administration and user-reference guides and online help files

Participate in customer calls when needed (e.g., perform demos, troubleshoot, discuss future enhancements/developments)

Assist the field engineering team in troubleshooting customer-reported issues

Other duties as assigned

What does success look like in this role?

Bachelor’s degree in Computer Science, Information Technology, or related field preferred, Associate degree required

3-6 years of hands-on experience working with C, C#, C++, Java/Linux systems and infrastructure required

Strong proficiency in Linux distributions such as Red Hat, Ubuntu, or CentOS

Hands-on experience with configuration management tools Visual Studio, CoPilot, Claude

Experience with security best practices and hardening techniques for Linux environments

Experience with cloud platforms such as AWS and Azure

Experience with Asterisk, SIP, WebSockets

Knowledge of Agnostic tools and Agentic Programming

Knowledge of virtualization and logging tools such as Prometheus

Knowledge of containerization technologies such as Docker or Kubernetes

Knowledge of performance tuning and optimization techniques

Understanding of networking concepts like TCP/IP, firewalls, and load balancing

Familiarity with scripting languages such as Bash or Python

Familiarity with continuous integration and delivery (CI/CD) pipelines

Familiarity with version control systems (Git) and collaborative development practices

Excellent problem solving and troubleshooting skills with a methodical approach

Strong communication and collaboration abilities to work effectively across teams

Remarkable time-management skills

Experience in an answering service or healthcare environment helpful

Amtelco complies with all federal laws regarding employment eligibility verification. All employees must maintain valid authorization to work in the United States throughout their employment. Employees whose work authorization is temporary are responsible for ensuring it remains valid and for providing updated documentation before the current authorization expires. Amtelco does not provide immigration sponsorship for work authorization (for example, H-1B, TN, or similar employment visas). Employment cannot continue if valid work authorization cannot be maintained.

Benefits:

401(k)

Dental insurance

Employee assistance program

Flexible schedule

Flexible spending account

Health insurance

Health savings account

Life insurance

Paid time off

Vision insurance

Education:

Associate (Required)

Experience:

C# development on Linux: 3 years (Required)

Ability to Commute:

McFarland, WI 53558 (Required)

Work Location: Hybrid remote in McFarland, WI 53558