Sr Software Engineer (2026-9882)

Overview: Cox Automotive is searching for Senior Software Engineer. As a Senior Software Engineer, you will work collaboratively within a cross-functional Agile team to design, develop, and maintain full-stack web applications. Your work will span backend services, frontend user interfaces, and integrations with internal systems. The ideal candidate will bring strong technical expertise, a mindset of continuous improvement, and a passion for mentoring and guiding team members. You’ll play a key role in shaping the system architecture, encouraging a culture of experimentation, and driving delivery excellence. Cox Automotive is a leading provider of automotive products and services, offering a wide range of solutions to dealers, manufacturers, and consumers. With a focus on innovation and customer service, Cox Automotive helps clients navigate the ever-changing automotive industry landscape. From digital marketing and software solutions to vehicle remarketing and logistics, Cox Automotive is dedicated to driving the future of the automotive industry. This is a 6-month W2 contract assignment with the opportunity for contract extension or to transition to a permanent, full-time role based on performance and business needs. Responsibilities: Responsibilities of the Sr Software Engineer: Collaborate with cross-functional team members to plan, develop, and deliver high-quality technical solutions within sprint timelines, ensuring alignment with project goals and business requirements Design, develop, and maintain full-stack web applications spanning backend services, frontend user interfaces, and integrations with internal systems Participate in a rotating on-call schedule, diagnosing and resolving production issues with urgency and commitment to service reliability Provide technical guidance, code reviews, and support to junior and mid-level engineers, fostering growth and knowledge-sharing within the team Actively contribute to a culture of innovation by sharing best practices, proposing improvements, and encouraging open communication and collaboration across teams Identify and test new approaches, tools, or solutions to drive innovation and continuous improvement Build and maintain strong, collaborative relationships with cross-functional business stakeholders Take product ownership or accountability for business outcomes, demonstrating a clear understanding of stakeholder responsibilities Shape system architecture, encourage a culture of experimentation, and drive delivery excellence Minimum Qualifications: Qualifications of the Sr Software Engineer: Bachelor’s degree in a related discipline and 4 years’ experience in a related field OR a master’s degree and 2 years’ experience OR a Ph.D. and up to 1 year of experience OR 8 years’ experience in a related field Proficiency with Java stack: Maven, Spring Boot, Junit or other testing tools, JMeter or other load testing tools, along with key libraries for building REST or GraphQL databases and authentication protocols Proficiency with JavaScript stack: JavaScript, TypeScript, a component library system, React preferred, VSCode, and related tooling Proficiency with development tools and deployment pipelines: GitHub Enterprise or similar, unit testing, integration testing, load testing, curl, Postman, Terraform, CloudFormation, or similar, ability to troubleshoot all components in an enterprise API deployment from DNS on up, containers Cloud experience (AWS preferred, GCP, Azure): use of automated provisioning tools, account management, serverless tooling, API creation, deployment, load balancing, and security practices Database experience with SQL databases such as PostgreSQL, MySQL, SQLServer or Oracle, and NoSQL databases such as DocumentDB, DynamoDB, or Cassandra Experience with AI tools and an understanding of their operation, benefits, and current drawbacks Benefits: Comprehensive Benefits Package available based on eligibility Medical, Dental, Vision Short-Term Disability (STD) Long-Term Disability (LTD) Supplemental and Voluntary Life Insurance 401(K) Commuter Benefit Program Requisition Disclaimer: As a woman-owned firm, Atrium values diversity. We are an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, genetic information or any other characteristic protected by law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. This job posting is for a temporary role as an employee of Atrium on assignment at Cox. The individual selected for this role will be offered the role as an employee of Atrium; compensation, medical benefits, fringe benefits and other terms and conditions of employment shall be presented by Atrium upon offer. The pay rate range provided is a reasonable estimate of the anticipated compensation range for this job at the time of posting. The actual pay rate will be based on a number of factors, including skills, competencies, experience, location and/or being pursued and other job-related factors permitted by law. In addition, this role will be eligible for overtime pay, in accordance with federal and state requirements By applying for this position you agree to the Atrium Terms and Conditions. Agreeing to these terms, includes permission to use the email address and mobile phone number you provide during the application process or throughout the duration of your prospective or actual employees to notify you of job openings, profiles, articles, news, and other employment-related information, as well as to notify you of special promotions or additional products and services offered by us or our affiliates and partners (collectively, “Atrium Alerts”). Atrium Alerts may be sent by email, phone or text message. Your personal information will be safely stored in our database. Atrium does not sell your personal information to third parties. Text message and data rates may apply. To OPT OUT of text messaging or to modify your communication preferences for Atrium Alerts at any time, please contact us at privacyadministrator@atriumstaff.com. If you do not agree with the Atrium Terms and Conditions, you can still complete your application for this position by emailing your resume to our team at coxrecruit@atriumworks.com. Please include the job title in the subject of your email. NO C2C OR THIRD-PARTY VENDORS