Senior Software Engineer

Senior Software EngineerHybrid: Fully remote until West LA office opens - then 3x a week onsite in Los Angeles, CAOur client seeks a Senior Software Engineer to build scalable, secure, and resilient platform services. You will design backend services and APIs, embed automated testing into CI/CD workflows, and operate within an AI-driven SDLC. You will collaborate across QA, Security, and Infrastructure to enable reliable releases, observability, and incident response while contributing to engineering best practices.This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.Rate: $45.00 to $53.00/hr. w2Responsibilities: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.Experience Requirements: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.Ability to work independently and collaboratively with strong problem-solving and communication skills.Ability to work in the U.S. without sponsorship and meet the stated location requirement.Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range. W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.About Eliassen Group: Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients' capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve. Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.