Principal Software Engineer (AI Engineering)
First seen by Alion on Oct 14, 2026. Fidelity Investments scores A on the Alion truth index.
Job Description:
The Role
As a Principal Software Engineer you will work within highly collaborative, multi-functional team committed to improving the value of our technology solutions by delivery leading edge AI capabilities to our engineering teams. Our team blend deep technology & business expertise with a passion for exploring and implementing new emerging technologies while working in an open and transparent way. We are passionate about opensource contribution, sharing our expertise and knowledge with the engineering community, participating in foundations like FINOS while embracing a continuous learning approach support by a dedicated learning day each week.
The Expertise and Skills You Bring
- Hands-on experience in 2 or more languages (Python, Go, Javascript, Rust etc.)
- Hands-on experience with AI based tooling (GitHub Copilot, Claude code etc)
- Advocate for software engineering best practices and principles.
- Passionate for new AI technologies
- Passion for a continuous learning culture.
Bonus skills
- Experience building Agents, Skills or AI driven workflows.
The Team
This is an opportunity for a highly motivated Software Engineer to join Fidelity Architecture and Engineering (FAE) and work in a diverse, open and transparent culture where you will contribute to powering the next generation of Fidelity’s digital services through innovative solutions using the latest cloud native technologies and leading-edge engineering practices.
Company Overview
At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer.
Fidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process. Please email us at [email protected] or call 800-835-5099, prompt 2, option 2 if you would like to request an accommodation.