Lead Software Engineer - C#

Looking for a Full Stack Lead Software Engineer who enjoys working on new product development with a passion for customer experience and security.

Schweitzer Engineering Laboratories (SEL) is a global, 100% employee ‑ owned company that designs and manufactures digital systems to protect, automate, and control electric power infrastructure worldwide. Its mission—to make electric power safer, more reliable, and more economical—guides its engineering, manufacturing, and customer support efforts across the industry. SEL is known for delivering high ‑ quality , dependable solutions while maintaining a strong, long ‑ term focus on customer success. The company is grounded in a set of core values—quality, customer focus, integrity, discipline, innovation, community, ownership, and dignity of work—that shape its culture and decision ‑ making . Its employee ‑ ownership model empowers teams to prioritize customers, safety, and continuous improvement over short ‑ term results.

Location This position is not remote . The team works in the office at SEL’s Boise, Idaho location .

Essential Duties and Responsibilities Build complex web front-end user experiences with React and Typescript.

Build efficient back-end business logic on an embedded platform with C# and C++ .

Build secure APIs including REST and GraphQL .

Participate in the design, implementation, and test of firmware/software systems.

Build unit, subsystem, and complete multi-platform end-to-end automated tests.

Prepare and maintain design , code, and test documentation.

M entor other engineers .

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

Other duties as assigned.

Required Qualifications B.S. in Computer Science, Computer Engineering, or equivalent

Typically , 7 + years of experience :

React and Typescript customer-facing web applications

Security standards such as OWASP and API hardening

C# or Java preferred

Object-oriented principles and design patterns

Strong writing, documentation, and speaking skills

Ability to learn new skills and assume new responsibilities

Ability to work cooperatively in a team environment

Background check results satisfactory to SEL

Preferred Qualifications

• Expert level in C# or Java

• Expert level with React and Typescript

• Expertise with full-stack automated testing including Selenium or Playwright

• Embedded system experience on a Linux-based platform

• Familiarity with containers

• Familiarity with Visual Studio Code

• Familiarity with Post g reS QL

• Familiarity with C++

• Experience with g reenfield development

• 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 Lead Power Engineer $115,300 - $170,400 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 .

SEL is an Equal Opportunity Employer: Vets/Disabled.