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Senior .NET Software Developer

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Langtech
Full Time position
Listed on 2026-05-23
Job specializations:
  • Software Development
    Software Engineer, C# / Unity Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below

Langtech is seeking a Senior .NET Software Developer to join their team. This role involves designing and implementing domain-driven, object-oriented business models, optimizing application performance, and developing data-driven business applications.

Headquartered in the heart of San Francisco, our 25 years of systems experience and e-business expertise combined with an intense focus on customer service put us ahead of the crowd as a fully integrated solutions partner in managed services, cloud computing, virtualization, custom software, complex projects, and local, on-site support. Join the Langtech team and share your experience and creativity to help our clients leverage the latest in cloud and mobile technologies.

Job Description

The Day-to-Day

What You'll Do

Designing and implementing models and frameworks using domain-driven, object-oriented business modeling.

Iterative application development, including troubleshooting and performance optimization.

Hands-on in building data-driven business applications.

Working under pressure and working with development team and project managers to deliver on tight deadlines.

Developing project estimates and timelines and being accountable to meeting or beating estimates.

Qualifications

Who You Are

Required Qualifications

Familiarity with the ASP.NET and .NET Core framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)

5 years of development experience using C# .NET

Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3

Familiarity with architecture styles/APIs (REST, RPC)

Understanding of Agile methodologies

Strong attention to detail

Excellent troubleshooting and communication skills

Knowledge of REST and RPC APIs

Able to work well in a team setting

3+ years developing complex front-end, mobile and responsive applications using jQuery/jQuery frameworks.

Preferred Skills

Hands-on experience with source control & release management systems such as SVN.

Excellent communication skills, in thought, speech, and writing.

Excellent analytical/organizational skills

You should be very technical, and naturally curious.

You take the initiative to propose ideas and air concerns, to take technical ownership to drive the areas you work on.

You want to work with other bright motivated people, contribute to technical discussions, and continue to learn more.

You produce high quality production software using industry best practices; you produce excellent, thorough, design and development documentation. You are able to deliver

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Position Requirements
10+ Years work experience
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