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Principal Software Developer

Bellevue, WA 98008

Posted: 01/05/2026 Employment Type: Contract Job Number: 31322 Job Location: Remote Industry: SVCS - Services

Job Description

Position Title: Principal Software Developer

Position Description: Protingent Staffing has an exciting REMOTE contract Principal Software Developer opportunity.

Job Responsibilities:
  • Design, implement, document, and test software based on formally defined requirements and bug reports from the in-house user base,
  • Design and implement refactorizations and maintenance to maximize near- and long-term productivity of users and developers,
  • Identify and prioritize tasks without them being explicitly assigned to you,
  • Support verification and validation efforts to prove that the codes meet specifications and are correct,
  • Systematically identify performance or productivity bottlenecks; design and implement solutions to eliminate them,
  • Perform administrative data management operations on the backend based on user and management needs,
  • Understand and translate new feature requests into formal software requirements,
  • Train and support reactor designers to use the software system,
  • Provide mentoring to other developers,
  • Support software build and testing systems (like our Jenkins instance and related dashboards),
  • Support server configuration and maintenance needs,
  • Facilitate design reviews for ongoing developments to keep review/approval process as productive as possible,
  • Review proposed code changes and provide detailed feedback before allowing it to go live,
  • Ensure compliance with quality standards and regulatory requirements for software.

Job Qualifications:
  • Minimum Qualifications:
  • 8+ years of relevant experience on web application development,
  • Expert-level programming skills in Python and JavaScript,
  • 5+ years in-depth experience and expertise with Django and DRF,
  • 5+ years in-depth experience with least one JavaScript framework like Vue3,
  • 5+ years regularly writing software tests,
  • Expert capabilities with software development tools, including git, IDEs, profilers, debuggers, test frameworks, packaging tools,
  • Please do not apply if you aren’t already comfortable interactively rebasing (or similar)
  • Ability to focus and comfort with delivering a challenging project under evolving conditions, during rapid-paced development,
  • Ability and professionalism to work within the robust regulatory environment of nuclear reactor design and construction,
  • A strong commitment to software best practices,
  • Good understanding of software quality assurance and the software development life cycle,
  • Ability to provide and receive professional feedback.
  • Travel Required: 0-5%.

Preferred Job Qualifications:
  • Degree in computer science, applied mathematics, or similar,
  • Expertise building and maintaining Linux application and database servers,
  • Expertise in configuring and maintaining Continuous Integration systems
  • Strong expertise in Vue3 and Quasar specifically,
  • Expertise with celery
  • Expertise with Cypress,
  • Experience with major industrial construction projects,
  • Experience working in NQA-1 environments,
  • Excellent written and verbal communication skills.

Job Details:
  • Job Type: Contract
  • Pay Rate Range: $52-$85/hr (*Pay rates are approved based on candidate location, education and experience*)
  • Location: 100% Remote Acceptable
  • Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status

Benefits Package: Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre-tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.
#TerraPro
About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.

Meet Your Recruiter

Anna Bauer

I have been in technical staffing since 2020, joining Protingent in 2024.  I specialize in Aerospace and Emerging Technology. 

My work is about connecting talented individuals with exciting job opportunities that match their skills and ignite their enthusiasm. What makes me different? I believe in a personal approach. I take the time to get to know the people I work with, understanding their goals and what they seek in their next role. Every job match is about meeting requirements and fulfilling career aspirations.

Looking beyond immediate needs to hire candidates who show potential for growth and advancement within the company while ensuring a positive experience for candidates throughout the recruiting process to attract top talent and maintain a good reputation. I love recruiting because it allows me to impact people’s lives positively.

I want candidates to know three things about myself: Firstly, I'm deeply passionate about fostering a culture of empathy and collaboration. In my career, I have found immense fulfillment in understanding others' perspectives and supporting team members through challenges. Beyond work, I cherish spending time outdoors, hiking in the mountains, or kayaking on a peaceful lake. Nature fuels my creativity and provides a grounding balance to my professional life. Additionally, I strongly believe in the importance of routines for maintaining productivity and well-being. Establishing daily habits helps me stay organized and focused, whether diving into a complex project or enjoying downtime with family and friends.

 

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About Bellevue, WA

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