Senior Software Engineer – Microsoft .NET & SQL Server

Compensation & Location

Location:
Onsite in Torrance, CA

Schedule:
Full-time, long-term contract

Work Type:
100% Onsite

Pay Range:
$63.00 – $70.00 per hour
(based on experience & internal equity)

Benefits:
Health, Dental, Vision, Life Insurance, 401k, Continuing & On-Demand Education

📍
Must be willing to work onsite in Torrance, CA

✅
Sponsorship is available for this role

‼️
W2 ONLY — No C2C, No 3rd Parties

Position Summary

We are seeking a highly experienced
Senior .NET Application Developer
to design, build, and support mission-critical applications for large-scale automotive systems. This role requires deep technical expertise across
ASP.NET, C#, Blazor, SQL Server, Microservices, and DevOps/CI-CD
, with the ability to architect scalable, high-performance solutions in enterprise environments.

The ideal candidate is hands-on, technically sharp, and able to take ownership across the full SDLC — from design and development through testing, deployment, and ongoing support. This is a senior engineering role with a strong emphasis on problem solving, application performance, e-commerce integrations, and mentoring mid-level developers.

Key Responsibilities

- Complete all phases of the
software development life cycle
(analysis → design → development → testing → deployment → support)
- Develop
large-scale web/database applications
with advanced e-commerce integration
- Build, test, debug, and optimize new and existing .NET applications
- Design and develop using the
Microsoft .NET stack
(ASP.NET, C#, Blazor, CLR, SDKs, Libraries, Microservices, Docker, etc.)
- Write complex
T-SQL queries
, stored procedures, and database objects
- Maintain and support multiple applications, environments, and deadlines
- Follow
DevOps practices
, CI/CD workflows, and established change control processes
- Serve as a technical SME for system integration, compatibility, and multi-platform architecture
- Work closely with business analysts, PMs, and developers to define solutions and requirements
- Identify, escalate, and communicate risks related to application deployments
- Develop clear technical & architectural documentation
- Mentor and coach junior and mid-level developers
- Provide weekly status updates and work progress documentation

What This Person Will Be Working On

- Designing and developing
mission-critical automotive yard management systems
- Supporting multiple automotive sales applications used across the enterprise
- Enhancing large-scale, high-volume applications that support national business operations

Required Skills & Experience

- 10–15 years of progressive software development experience
- Expert-level proficiency with
.NET technologies
(ASP.NET, C#, Blazor, Microservices, Docker, CLR)
- Strong experience with
Microsoft SQL Server
(2012+) and advanced T-SQL
- Experience with high-traffic, high-availability enterprise systems
- Strong understanding of e-commerce and web application integrations
- Advanced capability in software design, programming patterns, debugging, and performance tuning
- Experience with
DevOps / CI/CD
pipelines and change management processes
- Excellent analytical, communication, and problem-solving skills
- Ability to interact with business partners and translate requirements into technical solutions
- Experience mentoring and providing technical leadership
- Strong documentation, system tracing, and performance troubleshooting skills
- Bachelor’s or Master’s degree in Computer Science, Engineering, Math, or related field
- Stable enterprise work history
required
- Big 4 consulting experience preferred

Desired Skills

• Recent experience delivering large, mission-critical enterprise applications at scale
• Strong curiosity and a passion for learning new tools and technologies
• Experience with automotive systems or similar industry platforms
• Experience with large Fortune 1000 environments
• Strong architectural instincts and solution design skills