Software Engineer - Full Stack (React, TypeScript, C#, ASP.NET)

About Us

Schweitzer Engineering Laboratories (SEL) designs and builds products and systems that protect, control, and automate power systems worldwide. Our mission is to make electric power safer, more reliable, and more economical.

Our team develops and maintains software applications used to configure and manage SEL devices. We are seeking an experienced Full Stack Software Engineer who enjoys solving complex problems and working across both frontend and backend technologies. The ideal candidate has strong experience with React, TypeScript/JavaScript, and modern web API development (REST, GraphQL, etc.) using C# and ASP.NET. This role involves developing new features, supporting existing applications, and collaborating closely with cross‑functional teams.

Essential Duties and Responsibilities

Participate in the specification, design, implementation, and testing of software systems.

Develop and maintain both frontend and backend components of full stack applications.

Understand modular software design and system interactions; collaborate effectively with firmware engineers.

Prepare and maintain requirements, design specifications, and test documentation.

Follow established engineering quality assurance procedures and best practices.

Continuously develop knowledge of SEL processes, tools, and technologies.

Contribute to the creation of products with a world‑class user interface and user experience.

Follow and apply SEL Values, Principles of Operations, and World Class Manufacturing principles.

Understand. Create. Simplify.

Perform other duties as assigned.

Required Qualifications

Bachelor’s degree in Computer Science, a related field, or equivalent practical experience.

4+ years of professional experience in the following areas:

Web API development (REST, GraphQL, etc.) using ASP.NET and C#.

Interactive single‑page application development using React and TypeScript/JavaScript, including extensive use of web APIs for data integration.

Strong written, verbal, and documentation skills.

Ability to quickly learn new technologies and assume new responsibilities.

Strong teamwork and collaboration skills in a professional environment.

Ability to work in person from the Charlotte, NC office.

Satisfactory background check results.

Negative drug test results.

Preferred Qualifications

Experience with scripting languages or environments such as Python or PowerShell.

Familiarity with version control and source code management systems such as Git.

Programming experience in C++.

Location: Charlotte, NC

Competitive pay. Superior benefits. Inspiring work.

People are at the core of our company and we hire employee-owners. We welcome you to learn more about how we support employees.

We’re 100% employee owned. Retirement benefits include an employer funded stock ownership plan (ESOP) and personal 401(k) options.

We offer top tier medical, prescription, dental, vision, life, and disability insurance.

We recognize the importance of a healthy life balance and offer: 10 paid holidays, annual vacation accrual starting at 12 days, 9 paid sick days, and paid family and medical leave that covers 90% of your pay.

We foster growth and development of our employees through avenues such as STEM courses, apprenticeships, tuition assistance, and engineering development programs.

Ask our team about other benefits including wellness, fertility, adoption, and flexible spending benefits.

Pay Range Data

Software Engineer $97,740 - $144,460

We are open to reviewing additional candidates with more or less experience and the pay range may differ if filled at a different level. Our pay ranges are determined by job and responsibility. We base our starting pay offer and title on job-related factors such as candidate experience, training, knowledge, and skills.

Communication with Applicants

We communicate with all applicants. If you do not receive a response about your application, please check your SPAM filter or reach out to us at careers@selinc.com.