Principal Software Engineer

Operations TypeScript Resilience AI Adoption .NET Framework Microsoft Azure Programming Tools Influencing Skills Business Valuation Time Off Management Software Engineering Software Development Technical Leadership Full Stack Development Architectural Patterns Business Transformation Software Design Patterns C# (Programming Language) SQL (Programming Language) JavaScript (Programming Language) Application Programming Interface (API)

At least 10 years $170,000 - $233,000 / yr Posted yesterday, * Design and build enterprise applications, APIs, integrations, and distributed systems

• Lead development using C#, .NET, SQL Server, Azure, and modern web technologies
• Drive modernization of legacy applications and platforms
• Define engineering standards, architectural patterns, and best practices
• Partner with engineering, DevOps, security, and platform teams
• Leverage AI coding assistants and agentic development tools to improve software delivery
• Mentor engineers and provide technical leadership across multiple teams

• 10+ years of software engineering experience
• Deep expertise in C#/.NET
• Strong experience with SQL Server and T-SQL
• Experience designing APIs, integrations, and distributed systems
• Strong Azure cloud experience
• Knowledge of messaging, caching, resiliency, concurrency, and asynchronous processing
• Software architecture and design pattern expertise
• Experience with AI coding assistants, agentic development platforms, or AI-enabled engineering practices, * Python, JavaScript, or TypeScript experience
• Experience modernizing large-scale enterprise applications
• Prior experience as a Principal Engineer, Staff Engineer, or Architect
• Experience in a regulated industry

• Influence enterprise technology strategy
• Lead AI-assisted and agentic engineering initiatives
• Work on large-scale modernization efforts
• Partner with highly talented engineering teams
• Competitive compensation and career growth opportunities

If you’re passionate about enterprise-scale engineering and excited about the future of AI-powered software development, we’d love to connect.

This posting is for an existing vacancy. Job Type & Location

This is a Permanent position based out of Irvine, CA. Pay and Benefits

The pay range for this position is $170000.00 - $233000.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Extensive internal growth and professional development opportunities including tuition reimbursement. · Comprehensive benefits package including Medical/Dental/Vision. · Wellness program to support both mental and physical health. · Generous paid time off options to support work-life balance. Job Type & Location

We’re partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That’s the power of true partnership. TEKsystems is an Allegis Group company., Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.