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Triune Infomatics Inc

Full Stack/Back-End Developer (.NET Core)

On site

Santa clara, United states

$ 85 /hour

Senior

Freelance

11-09-2025

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Skills

Communication JavaScript C# Go HTML CSS SQL CI/CD DevOps Version Control Test Problem-solving git jquery Asp.Net SQL Server Azure .NET .NET Core

Job Specifications

Role: Senior .NET Lead Developer/Architect

Location: Santa Clara, CA

Duration: 6+ Months Contract to Hire

Job Description: We are looking for a passionate and experienced Full Stack or Back-End Developer with a strong foundation in Microsoft technologies. The ideal candidate will be responsible for building and maintaining high-performance web applications using .NET Core, C#, ASP.NET, and MVC frameworks. You will also work with SQL Server to manage data storage and retrieval, and use Git for version control and collaboration.

Scope of Work: First project is to go through the existing app, Voyager, and clean up and securitize, with help of junior developers. Second project will be to assist, and possibly lead, the new app, Voyager Cloud. And also to help our development team and/or lead our development team in Vietnam with their efforts of developing an MRP. Both webapps, in-house developed, are in C# and JavaScript, built in the kendo framework

Manager's Expectation:

Architect level with hands on experience
Someone who understand Security in .Net Framework
JQuery experience is mandatory
Integration experience
Client facing and excellent communication

Must Have: C#, VB.NET, .NET Core, DevOps and CI/CD, Azure, SQL Server, Testing and QA, Security, SSL, Certs, Authentication Methods

Responsibilities:

Design, develop, test, and deploy web applications using .NET Core and C#
Build and maintain RESTful APIs and server-side components
Work with SQL Server to write efficient queries, stored procedures, and optimize database performance
Collaborate with front-end developers and other team members to deliver end-to-end solutions (for Full Stack roles)
Maintain code quality through Git-based version control and code reviews
Troubleshoot issues, debug code, and provide timely resolutions

Required Skills:

Experience: Minimum 10 years of relevant development experience
Proficiency in .NET Core, C#, and ASP.NET MVC
Strong understanding of SQL Server and relational database design
Familiarity with Git for version control
Good communication and problem-solving skills
Knowledge of HTML, CSS, JavaScript is a plus

About the Company

Triune Infomatics Inc ("Triune") is a privately held IT Consulting company founded in 2005. We are a national practice headquartered in Fremont, CA. Our service offerings include IT Consulting, Temporary Staffing (Contract and Contract To Hire), Permanent Placement, Executive Search, and Disability Staffing (we work with students with disabilities). Key Awards and Accolades * Inc. 500 | 5000 Fastest Growing Private Company in America - 2017, 2016, 2015, and 2014 * Top 100 Asian American Business by US Pan Asian American Cham... Know more