Senior Software Engineer, Platform & Test Automation Hybrid

Expert Technology Services; Pasadena (CA); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Expert Technology Services in West Los Angeles, CA (hybrid, remote to start) is seeking a Senior Software Engineer for the Platform Team to design, implement, and maintain backend services and APIs, with a strong emphasis on automated testing and AI-assisted development.

The ideal candidate has 5+ years of software engineering, deep C#, REST APIs, and experience in CI/CD, DevOps, cloud (AWS/Azure), and observability.

Qualifications

• 5+ years of software engineering experience.
• Proficiency in C# and RESTful API design.
• Experience with automated testing: Postman, SpecFlow, Cucumber.
• End-to-end test automation for APIs, batch processing, big data.
• Cloud experience with AWS and Azure.
• Experience with DevOps tools and CI/CD pipelines.
• Knowledge of Terraform and infrastructure-as-code.
• Familiarity with observability and release automation.

Responsibilities

• Implement and maintain automated testing to ensure software quality.
• Integrate automation testing into CI/CD workflows for releases.
• Design and develop backend services and APIs, including DevOps pipelines.
• Collaborate with QA, Security, and Infrastructure teams.
• Operate within an AI-driven SDLC and leverage AI code assistants.
• Implement monitoring and alerting to meet SLA and rapid incident response.
• Support platform releases through validation, monitoring, and post-deployment oversight.
• Contribute to engineering best practices and knowledge sharing.

Skills

C#

Automation testing

End-to-end testing

RESTful APIs

OAuth2

Microservices

AWS

Azure

CI/CD

DevOps

Observability

Terraform

Release automation

Tools

Postman

Bruno

SpecFlow

Cucumber

Jenkins

TeamCity

GitHub Actions

ArgoCD

Datadog

Prometheus

Azure Cosmos DB

Job description

Expert Technology Services in West Los Angeles, CA (hybrid, remote to start) is seeking a Senior Software Engineer for the Platform Team to design, implement, and maintain backend services and APIs, with a strong emphasis on automated testing and AI-assisted development.

The ideal candidate has 5+ years of software engineering, deep C#, REST APIs, and experience in CI/CD, DevOps, cloud (AWS/Azure), and observability.