Software Engineering Intern (AI Engineering)

ABOUT THIS ROLE

Apex Fintech Solutions is looking for a Software Engineering Intern (AI Engineering) with unbounded potential for a development team on the front lines of Apex's high-volume, high-availability trade clearing suite. We partner with some of the industry's hottest next-generation stock trading products. You'll be at the center of rapidly scaling services that will test your limits.

To be considered, you must be able to commit to a 10-week hybrid internship and work 40 hours per week during our summer program

Have you been waiting on the opportunity to gain hands-on experience in the fintech industry? Now's your chance.

What you will do:

• Assist in the development, testing, and maintenance of software applications.
• Collaborate with the software engineering team to design new features and functionalities.
• Participate in code reviews and provide constructive feedback to peers.
• Help in troubleshooting, debugging, and resolving software defects and issues.
• Test LLM integrations, conversational interfaces, and RAG retrieval accuracy.
• Contribute to the documentation of software development processes and codebases.
• Stay updated with emerging technologies and industry best practices in software engineering.
• Analyze application logs, trace API calls, and help identify system issues.
• Document AI system configurations, create test cases, and verify functionality across environments.

What you can expect:

• A highly collaborative environment where everyone is focused on outcomes that build momentum for Apex to reach its goals.
• A culture that values a test-centric approach to software development where 100% unit test coverage is the expectation.
• End-to-end ownership of what you deploy. From documentation to service-level objectives, your team is ultimately responsible for the health of your products.
• Contribute to and benefit from a culture of continuous learning.
• Access to mentors, generous policies regarding attending industry conferences and book reimbursement, regular lunch and learns.
• Quarterly 2-day hackathons.
• An environment committed to using the right tool to get the job done.
• Work that matters.

The skills you'll need to succeed:

• Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related STEM field.
• Senior standing, May 2026 graduate
• Strong analytical and problem-solving skills.
• Familiarity with programming languages such as Java, Python, C++, JavaScript, or similar.
• Understanding of software development methodologies, including Agile and Scrum.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.
• Willingness to learn and adapt in a fast-paced environment.
• General interest in Fintech.

Preferred skills:

• Experience or Projects involving AI

Work Environment:

• This internship operates in an office environment.
• This internship operates on a hybrid schedule in Austin, TX