Sr Software Engineer - Mobile Development

Cox Automotive’s Manheim site is seeking a Senior Software Engineer focused on mobile development. This hands-on role centers on building and maintaining scalable, secure mobile software while collaborating across product, QA, and architecture teams, mentoring teammates, and exploring AI-assisted approaches to improve code quality and speed. The role is based in Atlanta, GA with a hybrid work arrangement.

Responsibilities

• Design, develop, test, and deploy software across the full technology stack
• Translate business and functional requirements into clear, well-defined technical specifications
• Ensure systems are scalable, resilient, maintainable, and secure
• Apply modern engineering standards and best practices
• Break down specs and features into clear, actionable, and estimable tasks
• Deliver incremental value using Agile methodologies
• Own end-to-end delivery of features or services
• Align development with architectural standards and system design
• Write and maintain automated unit, integration, and end-to-end tests
• Ensure code quality, performance, and adherence to specifications
• Troubleshoot and resolve production issues
• Identify risks, dependencies, and deviations early
• Leverage AI-assisted tools (e.g., Copilot, LLM-based tools) to improve productivity and code quality
• Use AI for code generation, test creation, debugging, and documentation
• Validate and refine AI-generated outputs for correctness, security, and maintainability
• Contribute to team practices around AI usage and prompt engineering
• Drive spec-driven development, where features are defined through clear, structured specifications before implementation
• Create and refine technical specs (APIs, contracts, workflows, data models) that serve as the source of truth for development
• Use specifications to enable alignment across engineering, product, and QA
• Leverage specs to support automation, testing, and AI-assisted development workflows
• Ensure implementations are traceable back to specifications and meet defined acceptance criteria
• Partner with Product, QA, and Architecture teams to deliver solutions
• Participate in design discussions and technical decision-making
• Communicate progress, trade-offs, and blockers clearly
• Contribute to coding standards and engineering best practices
• Mentor junior engineers through code reviews and guidance
• Continuously learn and adopt new technologies, including AI-driven techniques
• Experience working in spec-driven or contract-first development environments
• Define clear technical specifications (e.g., API contracts, schemas, workflows)
• Experience using AI-assisted development tools effectively
• Validate, refine, and safely adopt AI-generated outputs
• Understand responsible AI usage in software development

Requirements

• Applicants must be authorized to work in the United States for any employer without current or future sponsorship. No OPT, CPT, STEM/OPT or visa sponsorship now or in future.
• Education and experience options: Bachelor's degree in Computer Science or related field with 4+ years of experience, OR Master's degree with 2+ years, OR Ph.D. with up to 1 year of experience, OR 18+ years of directly relevant experience
• Minimum experience: 2 years
• Mobile development experience using React Native
• Strong proficiency in at least one programming language (Java, Python, or .NET)
• Experience with cloud platforms (AWS) and distributed systems
• Solid understanding of system design, APIs, and data models
• Experience with automated testing and CI/CD practices
• Ability to participate in rotational on-call duties outside standard business hours
• In-office presence required 2 days a week

Technologies

• React Native
• AWS
• Copilot
• LLM-based tools
• AI-assisted development tools
• Java
• Python
• .NET

Benefits

• Flexible paid vacation
• Seven paid holidays per year
• Up to 160 hours of paid wellness annually for personal or family health
• Bereavement leave
• Time off to vote
• Jury duty leave
• Volunteer time off
• Military leave
• Parental leave

Compensation

USD 101,500.00 - 169,100.00 per year. The base salary falls within this range and may vary based on location and the candidate's knowledge, skills, and abilities. The role may be eligible for additional compensation through incentive programs.