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InvestM Technology LLC

.NET Developer (W2 Only)

Hybrid

San francisco, United states

Senior

Freelance

07-02-2026

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Skills

JavaScript C# SQL CI/CD DevOps Docker Kubernetes Architecture angular Asp.Net SQL Server Azure react cloud platforms .NET .NET Core HTML5 CI/CD Pipelines Web Development Microservices

Job Specifications

Job Title: .NET Developer

Location: San Francisco, CA (Hybrid)

Work Authorization

USC/GC/EAD/H1B
W2 Only

Description

Our financial services client undergoing a strategic technology transformation, is migrating existing desktop-based .NET applications to modern web-based platforms. We are seeking a skilled .NET Developer to join our team and play a key role in designing, developing, and implementing web solutions that enhance our operational efficiency and client experience.

Responsibilities

Application Migration: Convert legacy desktop .NET applications (WinForms/WPF) into scalable, secure, and responsive web applications.
Web Development: Design and develop web-based solutions using ASP.NET Core, C#, and modern front-end frameworks.
Integration: Implement APIs and services to integrate with internal systems and third-party platforms.
Performance Optimization: Ensure applications meet high standards for performance, security, and reliability.
Collaboration: Work closely with business analysts, QA teams, and stakeholders to gather requirements and deliver solutions aligned with business goals.
Testing & Deployment: Write unit tests, perform code reviews, and support deployment in cloud or on-prem environments.
Documentation: Maintain clear technical documentation for migrated and new applications.

Required Skills & Qualifications

7+ years of professional .NET development experience.
Prior experience in application migration projects is a plus.
Strong proficiency in C#, .NET Framework, and .NET Core.
Experience with ASP.NET MVC, ASP.NET Core, and RESTful APIs.
Familiarity with WinForms/WPF for understanding legacy systems.
Knowledge of SQL Server and database design.
Experience with front end - HTML5, CSS3, JavaScript, and frameworks like React, Angular, or Blazor.

Preferred Skills

Understanding of cloud platforms (Azure preferred).
Knowledge of CI/CD pipelines and DevOps practices.
Exposure to investment management, financial services, or similar regulated industries is highly desirable.
Experience with microservices architecture.
Familiarity with containerization (Docker/Kubernetes).
Knowledge of security best practices for financial applications.

About the Company

InvestM is a diversified workforce solutions firm that provides project-based staffing, contingent staffing, and direct placement services to Fortune 5000 companies and US Government Agencies. To identify top talent, our screening and hiring process uses a quantitative and data-driven methodology, that is cost-efficient, scalable, and works for all industries in need of qualified talent. *****Geographic regions we service****** USA | Canada | UK | Australia | Hong Kong | Saudi Arabia | UAE *****Industry Verticals that we... Know more