Hybrid Senior Software Engineer - Backend/API Specialist

Eliassen Group; Los Angeles (CA); Hybrid; Confidential; Full time

Benefits offered by this job

Medical, Dental, Vision benefits

401(k) with company matching

Life insurance

Job summary

Eliassen Group in Los Angeles is seeking a Senior Software Engineer to build scalable backend services and APIs within an AI-driven SDLC. You will design and implement backend components, automate tests, and integrate with CI/CD pipelines to enable reliable releases.

You will collaborate with QA, Security, and Infrastructure to ensure observability, performance, and rapid incident response. This contract-to-hire role offers W2 benefits and a competitive hourly rate.

Qualifications

• 5+ years of software engineering experience.
• Proficiency in C# and .NET.
• Experience with Azure and AWS cloud-native technologies and Azure migration.
• Automation testing tools experience such as Postman, Bruno, SpecFlow, or Cucumber.
• End-to-end test automation for APIs, batch processing, and big data validation.
• Strong understanding of RESTful API design, OAuth2, and microservices architecture.
• Infrastructure-as-code with Terraform.
• DevOps tools familiarity such as Jenkins, TeamCity, GitHub Actions, and ArgoCD.
• Containers and observability tools such as Datadog or Prometheus.

Responsibilities

• Implement and maintain automated unit, integration, and smoke tests to improve delivery confidence and reduce production risk.
• Embed automated testing and quality gates into CI/CD workflows for reliable releases.
• Design and develop backend services and APIs supporting release engineering, DevOps pipelines, and system integrations.
• Operate in an AI-driven SDLC and use AI code assistants.
• Collaborate with QA, Security, and Infrastructure for seamless deployment and performance.
• Implement monitoring and alerting to meet SLAs and support rapid incident response.
• Contribute to engineering best practices and knowledge sharing across the platform domain.
• Support platform releases through validation, monitoring, and post-deployment oversight.

Skills

C#

.NET

RESTful APIs

OAuth2

Microservices

CI/CD

AI-driven SDLC

Tools

Postman

Bruno

SpecFlow

Cucumber

Terraform

Jenkins

TeamCity

GitHub Actions

ArgoCD

Datadog

Prometheus

Azure

AWS

Job description

Eliassen Group in Los Angeles is seeking a Senior Software Engineer to build scalable backend services and APIs within an AI-driven SDLC. You will design and implement backend components, automate tests, and integrate with CI/CD pipelines to enable reliable releases.

You will collaborate with QA, Security, and Infrastructure to ensure observability, performance, and rapid incident response. This contract-to-hire role offers W2 benefits and a competitive hourly rate.