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Principal Software Developer


Job Location:

Idaho Falls, ID - USA

Yearly Salary: USD 117900 - 184300
Posted: 2 September 2026 (15 hours ago)
Application Deadline: 30 November 2026
Vacancies: 1 Vacancy

Job Summary

Job Description

The Process Improvement and Engineering Support (PIES) unit at the Naval Nuclear Laboratory (NNL) is seeking a Software Developer with a strong emphasis on Quality Assurance (QA) to support the NRF Custom Application this role you will be responsible for contributing application development with a QA driven mindset integrating QA practices throughout the software development lifecycle designing and executing test plans for new applications and features and collaborating closely with the development team to ensure high standards and reliable software delivery.


As a key member of the team you will:


Participate in coding and application development with a QA-focused approach
Evaluate recommend and implement software testing tools and frameworks
Embed automated and manual tests into application development processes
Continuously enhance QA strategies and testing methodologies to improve product quality
Develop write and execute comprehensive software test plans
Work closely with users and stakeholders to ensure software meets functional and quality requirements

Required Combination of Knowledge and Skill
Bachelors degree from an accredited college or university and a minimum of 9 years of relevant experience; orMasters degree from an accredited college or university in a related field and a minimum of 7 years of relevant experience.
Preferred Skills

Proven experience as a software developer with a focus on QA and testing including:


Experience React and Cypress or related frameworks
Test-driven development skills
Implementation of testing programs and processes
Preparation and analysis of testing reports
Oracle or SQL Server database development or testing

Compensation and Benefits
  • Health Dental Vision & Voluntary Benefits
  • Disability Life & Accident Insurance
  • 401(k) Savings program & Capital Accumulation Plan
  • Personal & Medical Time Off
  • Paid Parental Leave
  • Flexible Work Schedules
  • Tuition Assistance for Eligible Employees
  • Student Debt Benefit Personal Time Off Sell Program
  • Employee Assistance Program (EAP)
  • Wellness Program
  • Visit us online to view all NNL benefits!
Pay Range
$117900.00 - $184300.00 annually
Salary information provided is a general guideline only. Annual salary is based upon candidate experience and qualifications as well as market and business considerations.

Required Experience:

Staff IC