Software Engineer - Full Stack

Posted:
7/22/2026, 9:00:15 AM

Location(s):
Washington, District of Columbia, United States ⋅ District of Columbia, United States ⋅ Washington, United States ⋅ Lynnwood, Washington, United States

Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior

Field(s):
Software Engineering

Workplace Type:
On-site

Pay:
$98k–$144k/yr

Responsibilities 

  • Participate in the design, implementation, and test of software systems.
  • Understand hardware and software interactions, and collaborate with firmware and hardware engineers.
  • Participate in project planning and estimation.
  • Mentor engineers and technicians.
  • Follow and apply SEL Values, Principles of Operations, and World Class Manufacturing Principles.
  • Understand. Create. Simplify.
  • Other duties as assigned.

 

Qualifications 

  • B.S. in Computer Science, Software Engineering, or equivalent
  • Knowledge and experience in object-oriented languages (C#, Java, C++, Delphi)
  • Strong understanding of OO principles and concepts
  • Strong writing, documentation, and speaking skills
  • Must have a strong work ethic and commitment to quality
  • Ability to learn new skills and assume new responsibilities
  • Ability to work cooperatively in a team environment
  • Background check results satisfactory to SEL
  • Negative drug test result(s).
  • Ability to adhere to SEL's tobacco free workplace policy.

 

Preferred Qualifications 

  • Knowledge of Agile development principles and processes
  • Knowledge of C# and the .NET Framework or .NET Core
  • Understanding of modern web development
  • Knowledge and experience in web supporting technologies (JavaScript, CSS, HTML5).
  • Experience with User Experience design
  • Experience with revision control systems (Git)
  • Experience with automated unit testing (NUnit, MSTest, Jest)

Location: Lynnwood, WA

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.

Software Engineer: $97,700 - $144,400

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 [email protected].

SEL is an Equal Opportunity Employer: Vets/Disabled.

Schweitzer Engineering Laboratories

Website: https://selinc.com/

Headquarter Location: Pullman, Washington, United States

Employee Count: 5001-10000

Year Founded: 1982

IPO Status: Private

Industries: Electronics ⋅ Linux ⋅ Manufacturing ⋅ Open Source ⋅ Software

Visa Sponsorship: Sponsors work visas