Sr. Software Engineer

We’re a fast-growing, financially strong auto-finance company, and we’re looking for a Senior Software Engineer who delivers business impact through high-quality software. You’ll analyze requirements, design robust solutions, write efficient and secure code, and ensure releases meet user needs and organizational goals. As a senior member of the team, you will also mentor others, raise engineering standards, and help institutionalize modern AI-assisted development practices to improve cycle time and quality.

• Bachelor’s degree in computer science or related discipline
• 7+ years of Software Engineering experience

• Design, build, and test incremental, production-ready solutions that deliver measurable business outcomes.
• Contribute across the stack (front-end and back-end), with attention to scalability, performance, maintainability, and security-first design.
• Implement AI-DLC Patterns
  (e.g., code assistants, chat/agent tools, test generators) to accelerate analysis, coding, refactoring, test creation, and documentation—while maintaining human oversight and accountability.
• Responsible AI:Evaluate AI suggestions for correctness, security, performance, and style; ensure output meets coding standards and organizational guardrails.
• Automate the routine
  : leverage AI to scaffold boilerplate, generate typed API clients, create repeatable test fixtures, and CICD pipelines.
• Mentor & pair:model effective AI usage in pairing sessions; coach junior engineers on prompt strategies to promote AIAE practices.
• Strong object-oriented skills in C#; deep experience with
  API design
  (REST and/or Graph
  
  QL) and
  Angular
  (or similar).
• Cloud-native development (AWS preferred); familiarity with AWS certifications is a plus.
• Quality focus with automated testing (unit/integration/acceptance).
• Collaborate directly with business leaders and SMEs to understand ACA’s domain and ensure successful delivery.

Travel:
This position may require up to 10% travel.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

EEO Statement ACA provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. ACA complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities.

As an employer of California residents, we are dedicated to protecting your privacy rights. Any personal information you provide during the application process will be used solely for permitted internal purposes and will be handled in accordance with applicable privacy laws. By applying to this position, you consent to the collection, use, and disclosure of your personal information as described in our
Employee Privacy Notice
.