Principal Software Architect / Enterprise Solution Architect

Infinity Tech Group Inc

San Francisco (CA)

On-site

USD 180,000 - 240,000

Full time

14 days+

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Job summary

Infinity Tech Group Inc in San Francisco is seeking an experienced Principal Software Architect / Enterprise Solution Architect to lead the design, modernization, and architecture of enterprise-scale applications in Life Sciences, Medical Devices, or Industrial IoT domains.

You will drive technical strategy, define reference architectures, guide teams through implementations, ensure security and compliance, and collaborate with stakeholders to deliver scalable, resilient systems.

Qualifications

12+ years of Software Engineering experience
4+ years as a Software Architect or Principal Engineer
Must have strong expertise in C++, C#, Windows Services, and On-device Agent/Applet Development
Experience with .NET Framework (Web Forms, MVC, Web API, WCF)
Hands-on Experience with Node.js (Express) and React 18/19
Azure Active Directory (Azure AD), MSAL, JWT Authentication, Windows Authentication & Forms Authentication
SQL Server (Schema Design, Query Optimization, Stored Procedures)
Azure Cloud Architecture (App Services, Azure AD, Cloud Migration)
CI/CD pipeline design for .NET & Node.js applications
PowerShell automation, IIS Administration, TLS/SSL Certificate Management
Security best practices including TLS 1.2+, AES Encryption, Secrets Management, and Code Signing
Experience designing custom communication protocols and enterprise network layers

Responsibilities

Lead design, modernization, and architecture of enterprise-scale applications in Life Sciences, Medical Devices, or Industrial IoT
Drive technical strategy and define reference architectures for large-scale systems
Guide cross-functional teams through implementation of robust, scalable solutions
Ensure security, authentication, and encryption best practices across platforms
Collaborate with stakeholders to align architecture with business goals and regulatory requirements

Skills

C++

Windows Services

On-device Development

.NET Framework

Node.js

React

Azure AD

JWT Auth

SQL Server

Azure Cloud

CI/CD

PowerShell

IIS Admin

TLS/SSL

Security Best Practices

Communication Protocols

Education

Master's degree in Computer Science

Tools

Express

WCF

IIS

MSAL

Job description

We are looking for an experienced Principal Software Architect / Enterprise Solution Architect to lead the design, modernization, and architecture of enterprise-scale applications in the Life Sciences, Medical Devices, or Industrial IoT domain.

Required Skills & Experience

12+ years of Software Engineering experience
4+ years as a Software Architect or Principal Engineer
Strong expertise in C++, C#, Windows Services, and On-device Agent/Applet Development
Extensive experience with .NET Framework (Web Forms, MVC, Web API, WCF)
Hands-on experience with Node.js (Express) and React 18/19
Azure Active Directory (Azure AD), MSAL, JWT Authentication, Windows Authentication & Forms Authentication
SQL Server (Schema Design, Query Optimization, Stored Procedures)
Azure Cloud Architecture (App Services, Azure AD, Cloud Migration)
CI/CD pipeline design for .NET & Node.js applications
PowerShell automation, IIS Administration, TLS/SSL Certificate Management
Security best practices including TLS 1.2+, AES Encryption, Secrets Management, and Code Signing
Experience designing custom communication protocols and enterprise network layers

Preferred Skills