Software Engineer, Backend Developer, AI Engineer (Applied​/Software)

Plan Checker.

AI is an emerging technology company focused on building software solutions that streamline planning, review, and approval workflows for businesses and public sector organizations. The team leverages modern AI and web technologies to improve accuracy, reduce manual effort, and simplify complex review processes. As a growing company, Plan Checker.

AI offers opportunities to work closely with experienced engineers and contribute directly to core product features. Team members are encouraged to experiment, iterate quickly, and help shape scalable and reliable software products for real-world use.

This is an on-site Software Engineer internship role based in Brentwood, CA. Interns will collaborate with the engineering team to design, implement, test, and maintain back-end services and APIs that support Plan Checker.

AI’s applications. Daily responsibilities may include writing clean, well-documented code, troubleshooting and fixing bugs, participating in code reviews, and assisting with integrating new features into existing systems. Interns will also support efforts to optimize performance, improve reliability, and ensure that software components meet functional and security requirements. This role is designed to provide hands‑on experience with modern development practices and tools while contributing to active products.

• Strong foundation in Computer Science principles, including data structures, algorithms, and software design.
• Skills in Back-End Web Development and Software Development, with exposure to server-side frameworks or APIs.
• Ability to read, understand, and improve existing code; familiarity with version control tools such as Git.
• Comfort working on-site in a collaborative environment, with effective written and verbal communication skills.
• Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• Interest in AI-powered applications, web technologies, and learning new tools and frameworks as needed.