Software Development Engineer II

Northwest Administrators, Inc

Full stack development engineer building secure, high-quality software solutions at Northwest Administrators, Inc. Ideal for experienced candidates with strong .NET and T-SQL expertise.

Posted 7/6/2026full-timeSeattle • Washington • 🇺🇸 United StatesMid-LevelSenior💰 $10,075 - $13,631 per monthWebsite

Tech Stack

Tools & technologies

AngularJavaScript.NETReactSQLTypeScriptWPF

About the role

Key responsibilities & impact

Build high performance, highly available and reliable software.
Develop complex components/modules/scripts using .NET technologies.
Design, build and maintain proprietary desktop and web-based applications, balancing active feature development with critical production support.
Utilize modern AI-assisted development tools to accelerate coding, improve test coverage and streamline debugging workflows.
Architect and implement Agentic AI patterns and workflows to improve automation, process efficiency and intelligent data handling.
Contribute to debugging and troubleshooting the complete stack of services, identifying root causes for production issues in legacy and modern architecture.
Partner with Business Analysts who define and document functional requirements for user-requested applications or projects.
Document software components and architecture thoroughly for ongoing support, maintenance and seamless team collaboration.
Perform code walk-throughs and code reviews of software components to maintain high standards of quality.

Requirements

What you’ll need

Bachelor’s degree in computer science, engineering, math, information systems, physics or related areas
6+ years of relevant software design and development experience with strong .NET Core / modern .NET experience
Strong analytical skills and ability to solve complex problems
Proven process improvement and organizational skills
C#, .NET/.NET Core, T-SQL, modern Web stacks including Blazor, Windows Platform Stack, JavaScript/TypeScript, WPF, and MVC
Strong TSQL coding (including the ability to write & troubleshoot complex queries & stored procedures)
Proficiency in AI-assisted development tools and experience implementing Agentic AI frameworks, LLM integrations, or intelligent autonomous agents
Preferred skills: Data visualization (PowerBI), API development, Frontend tools (React JS or Angular, etc.) and/or mobile development

Benefits

Comp & perks

Comprehensive medical, dental (w/orthodontia), vision, Rx benefits, disability & life insurance
Optional benefits: health flex spending, dependent care assistance & pet insurance
Generous 401(k) plan with employer base contribution and match
Paid vacation (10 days), sick leave (10 days) and holidays (10 days)
Collaborative team environment
Hybrid work schedule available

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

.NETBlazorJavaScriptTypeScriptWPFMVCData VisualizationAPI DevelopmentFrontend ToolsMobile Development

Soft Skills

Analytical SkillsProblem SolvingOrganizational Skills

Certifications

Bachelor’s Degree in Computer ScienceEngineeringMathInformation SystemsPhysics