Technical Lead (.NET & AWS)

Jarboss; Phoenix (AZ); Hybrid; MXN 2,609,000 - 3,913,000; Full time

Job summary

Jarboss in Phoenix, AZ is seeking an experienced .NET Architect/Technical Lead to drive modernization of legacy applications into modern .NET and AWS-based architectures. You will lead solution architecture, make technical decisions, and contribute hands-on to the codebase.

The role focuses on designing scalable, secure, and maintainable cloud-native solutions, with emphasis on high-availability APIs, microservices, and enterprise migrations. Strong leadership and collaboration across U.S.

Qualifications

• 10+ years of software development experience.
• Proven experience leading technical teams, architecture efforts, and modernization initiatives.
• Strong expertise in C#, .NET, ASP.NET Core, and enterprise application architecture.
• Hands-on experience with Blazor.
• Experience building and deploying applications in AWS environments.
• Strong knowledge of SQL Server and database design principles.
• Experience with REST APIs, microservices, and distributed systems.
• Experience with Docker, Git, and CI/CD pipelines.
• Advanced English communication skills.

Responsibilities

• Lead the design, architecture, and development of solutions using C#, .NET, ASP.NET Core, and Blazor.
• Design and implement high-availability APIs, integrations, and distributed applications.
• Drive legacy application modernization and enterprise migration initiatives.
• Design and deploy cloud solutions leveraging modern AWS services.
• Provide technical leadership, code reviews, mentoring, and engineering best practices.
• Promote CI/CD, automation, observability, and software quality strategies across development teams.

Skills

C#

.NET

ASP.NET Core

Blazor

AWS

SQL Server

REST APIs

Microservices

Docker

Git

CI/CD

Tools

Terraform

CloudFormation

AWS CDK

Azure DevOps

GitHub Actions

Job description

.NET Architect / Technical Lead – Mainframe Modernization

Location: Phoenix, AZ (Hybrid)

Project Location: United States

About the Role

We are seeking an experienced .NET Architect / Technical Lead with a strong background in enterprise application development and technical leadership to join a large-scale modernization initiative focused on transforming legacy applications into modern .NET and AWS-based architectures.

This role combines solution architecture, technical decision-making, and hands-on development, leading the modernization of mission-critical systems into scalable, secure, and maintainable cloud-native solutions.

Responsibilities

• Lead the design, architecture, and development of solutions using C#, .NET, ASP.NET Core, and Blazor.
• Design and implement high-availability APIs, integrations, and distributed applications.
• Drive legacy application modernization and enterprise migration initiatives.
• Design and deploy cloud solutions leveraging modern AWS services.
• Provide technical leadership, code reviews, mentoring, and engineering best practices.
• Promote CI/CD, automation, observability, and software quality strategies across development teams.

Required Qualifications

• 10+ years of software development experience.
• Proven experience leading technical teams, architecture efforts, and modernization initiatives.
• Strong expertise in C#, .NET, ASP.NET Core, and enterprise application architecture.
• Hands-on experience with Blazor.
• Experience building and deploying applications in AWS environments.
• Strong knowledge of SQL Server and database design principles.
• Experience with REST APIs, microservices, and distributed systems.
• Experience with Docker, Git, and CI/CD pipelines.
• Advanced English communication skills, with the ability to collaborate effectively with teams and stakeholders across the United States.

Preferred Qualifications

• Experience modernizing Mainframe applications (COBOL, CICS, JCL).
• Experience with Terraform, CloudFormation, AWS CDK, Azure DevOps, or GitHub Actions.
• Experience leading large-scale enterprise migrations and legacy modernization programs.

Additional Information

• Opportunity to work on strategic, high-impact projects for U.S.-based organizations.
• Collaborative international environment.