Senior Full-Stack Engineer: AI-Driven Cloud Apps on AWS

ECCO Select; Kansas City (MO); On-site; USD 120,000 - 170,000; Full time

Job summary

ECCO Select is seeking a Senior Full-Stack Software Engineer to lead the design and development of enterprise web applications using C#/.NET, Angular, and cloud-native technologies. You will architect scalable solutions on AWS, ensure robust data models with SQL Server and PostgreSQL, and mentor engineers in clean architecture, testing, and DevOps practices.

The role emphasizes hands-on development across the stack, with a focus on secure, scalable systems and modern tooling including

Qualifications

• 5+ years of professional software engineering experience.
• Strong command of ASP.NET Core Web API, EF Core, and modern .NET features.
• Front-end experience with Angular 15+ (17 preferred) & RxJS.

Responsibilities

• Lead design and development of enterprise full-stack web applications.
• Architect cloud-first solutions on AWS; integrate AWS services (API Gateway, Lambda, S3, RDS).
• Mentor junior engineers and promote best practices like SOLID and clean architecture.
• Implement automated tests (xUnit, NUnit, Jasmine, Karma, Playwright).
• Drive CI/CD automation with Azure DevOps or GitHub Actions.

Skills

C#

ASP.NET

Angular

SQL Server

PostgreSQL

AWS

Azure OpenAI

DevOps

CI/CD

Unit Testing

DDD

SOLID

Tools

ASP.NET Core Web API

Entity Framework Core

Angular 17+

SQL Server

PostgreSQL

AWS Services

Azure OpenAI / Bedrock

Terraform / CDK

Kubernetes (EKS)

Job description

ECCO Select is seeking a Senior Full-Stack Software Engineer to lead the design and development of enterprise web applications using C#/.NET, Angular, and cloud-native technologies. You will architect scalable solutions on AWS, ensure robust data models with SQL Server and PostgreSQL, and mentor engineers in clean architecture, testing, and DevOps practices.

The role emphasizes hands-on development across the stack, with a focus on secure, scalable systems and modern tooling including