Wells Fargo

Principal Engineer

Wells Fargo$130K — $180K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years of Engineering experience, or equivalent through work or education
  • Experience designing and delivering generative or agentic AI systems at enterprise scale
  • Deep expertise in Microsoft 365 Copilot extensibility model
  • Hands-on experience with Copilot Studio and Cowork
  • Strong background in AI capabilities across OS platforms
  • Proficiency with API/microservices design, containerization, CI/CD
  • Application of responsible AI principles in regulated industries

Responsibilities

  • Act as the technical authority for agentic AI across Microsoft 365 and OS platforms
  • Design and build end-to-end agentic solutions on Microsoft 365 Copilot
  • Lead the delivery of agents and automations in Copilot Studio
  • Define how agents are extended with custom skills and plug-ins
  • Drive complex technical initiatives, resolving architecture challenges
  • Set engineering best practices for agentic AI delivery
  • Embed responsible AI principles into the engineering foundation
  • Conduct technical design and code reviews

Benefits

  • Collaborative work environment with influential technology partners
  • Opportunity to mentor and grow fellow engineers
  • Engage in cutting-edge AI technology development
  • Contribute to a leading enterprise in financial services
  • Accessible work-life balance with the option to influence technology direction
Full Job Description
About this role:

Wells Fargo is seeking a Principal Engineer to provide deep technical leadership for AI capabilities across Microsoft 365 and OS platforms, with a focus on the design and delivery of agentic AI solutions and workflows built on Microsoft 365 Copilot, Copilot Studio, and Copilot Cowork. As the most senior individual contributor on the team, you will define how agents, skills, and plug-ins are built, secured, and scaled across the enterprise - turning the Copilot platform into intelligent, autonomous experiences for the workforce.

In this role, you will:
  • Act as the principal technical authority for agentic AI across Microsoft 365 (Teams, Outlook, SharePoint, Graph, Copilot) and OS platforms (Windows, macOS, iOS, Android), defining architecture and engineering standards for agents, skills, plug-ins, and AI-driven workflows
  • Design and build end-to-end agentic solutions on the Microsoft 365 Copilot platform - declarative and custom agents, skills composition, plug-in/tool calling, grounding over enterprise data via Microsoft Graph, and multi-step autonomous workflows
  • Lead delivery of agents and automations in Copilot Studio and Copilot Cowork, establishing reusable patterns, skills libraries, and plug-in frameworks that other teams build on
  • Define how Copilot Cowork agents are extended with custom skills and plug-ins to automate complex, cross-application workplace workflows securely and reliably
  • Drive the most complex, highest-risk technical initiatives across teams, resolving ambiguous architecture and integration challenges spanning the Copilot platform, Microsoft Graph, and OS extensibility points
  • Set and enforce engineering best practices for agentic AI delivery - agent and skill evaluation, prompt and skill versioning, observability, latency and cost optimization, CI/CD, and automated testing for non-deterministic AI systems
  • Embed responsible AI into the engineering foundation: grounding, safety, guardrails, data privacy, model governance, and explainability built into agents, skills, and plug-ins by design
  • Partner with architects and engineering leadership to shape the next generation domain architecture and target-state roadmap for the Microsoft 365 Copilot ecosystem and OS platform AI
  • Conduct deep technical design reviews and peer code reviews, evaluating solution quality and alignment to technical direction, and personally contribute hands-on in the codebase to the most critical components
  • Serve as the technical representative for the product in cross-team planning and collaborative efforts, influencing technology requirements, priorities, and the engineering roadmap
  • Identify and drive escalated resolution of the most difficult technology roadblocks across code, build, deployment, and platform integration
  • Mentor and grow senior and experienced engineers, raising the team's depth in Microsoft 365 Copilot extensibility, Copilot Studio, Cowork, and OS platform engineering
  • Interact directly with Microsoft and other technology partners to advance Copilot platform and AI capabilities
  • Interpret, develop, and ensure the security, stability, and scalability of AI capabilities, and identify, manage, and mitigate AI-related technology and enterprise risk
  • Provide principal-level technical leadership for the design and delivery of agentic AI solutions, skills, and plug-ins on Microsoft 365 Copilot, Copilot Studio, and Cowork
  • Set the engineering standards, patterns, and reusable frameworks that enable teams to build secure, scalable agents and plug-ins across the Copilot platform
  • Personally drive resolution of the hardest technical problems and remain hands-on in the codebase for the most critical work
  • Embed responsible AI, evaluation, observability, and governance into the engineering foundation and definition of done
  • Influence architecture, roadmap, and technology strategy across teams and partner with leadership on target-state direction for the Microsoft 365 Copilot ecosystem
  • Mentor and elevate the technical depth of the engineering organization in Copilot extensibility, agentic AI, and platform engineering


Required Qualifications:
  • 7+ years of Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education


Desired Qualifications:
  • Demonstrated experience designing and delivering generative AI or agentic AI systems in production at enterprise scale - agents, skills, plug-ins, tool calling, orchestration, and autonomous or human-in-the-loop workflows
  • Deep, hands-on expertise with the Microsoft 365 Copilot extensibility model - declarative and custom engine agents, skills, plug-ins, message extensions, and Microsoft Graph connectors
  • Hands-on experience building and shipping agents and automations in Copilot Studio and Copilot Cowork, including custom skills and plug-in development
  • Strong experience building AI-powered capabilities across OS platforms (Windows, macOS, iOS, Android) in a large enterprise environment
  • Expertise grounding agents over enterprise data through Microsoft Graph, including retrieval, security trimming, and data governance
  • Proficiency with engineering fundamentals that underpin agentic AI delivery: API and microservices design, containerization (Docker, Kubernetes), CI/CD, DevSecOps, and automated testing/evaluation for non-deterministic systems
  • Demonstrated application of responsible AI principles - model governance, grounding, safety, bias mitigation, data privacy, and explainability - in a regulated industry
  • Experience as the senior-most technical leader on complex initiatives, influencing architecture and engineering direction across multiple teams without direct authority
  • Experience delivering AI capabilities in a regulated financial services or other highly regulated environment, with awareness of enterprise risk, security, and compliance frameworks for AI


Posting End Date:

25 Jun 2026
*Job posting may come down early due to volume of applicants.

About Wells Fargo

Wells Fargo Careers

Joining Wells Fargo means becoming part of a distinguished financial institution that has been a cornerstone of innovation and leadership in the banking industry. At Wells Fargo, we offer a plethora of job opportunities designed to empower your career growth and development in a diverse and inclusive environment.

Work You’ll Do

At Wells Fargo, you will be part of a team that values diversity and is committed to fostering an inclusive culture. We are looking for professionals who are eager to drive innovation and lead with integrity. Our employees are our greatest asset, and we invest in their professional growth through comprehensive leadership and diversity training programs that are recognized industry-wide.

Explore a Multitude of Career Paths

Whether you're interested in a position in finance, IT, customer service, or management, Wells Fargo has career opportunities in various fields. Our team members benefit from job stability, competitive benefits, and a culture that values and rewards performance and dedication.

Internship Programs

Kickstart your career with a Wells Fargo internship. Our programs provide invaluable industry exposure, professional skills development, and networking opportunities that often lead to full-time employment offers. Interns at Wells Fargo work on real projects, solve actual challenges, and gain the mentorship of seasoned professionals.

Professional Growth and Development

We believe in nurturing the potential of our employees. Wells Fargo offers robust training programs and resources to help every team member excel in their current roles and prepare for future challenges. Growth at Wells Fargo is not just about climbing the career ladder but expanding your skills and expertise to add value to our team and customers.

Benefits and Rewards

Wells Fargo is committed to the well-being of our team members. We offer a comprehensive benefits package that includes health care, retirement plans, and generous paid time off. Additionally, we provide unique perks like employee discounts, adoption assistance, and tuition reimbursement.

Join Our Team

Discover the opportunities waiting for you at Wells Fargo by exploring open positions that match your skills and interests. We are continuously hiring and looking for individuals who bring creativity, passion, and a drive to serve our customers.

Stay Connected

Keep up to date with the latest from Wells Fargo Careers by subscribing to our job alert emails. Tailor your subscription to receive updates that align with your career preferences and get insider tips on crafting the perfect resume and acing your interview.

Networking and Innovation

At Wells Fargo, networking and innovation go hand in hand. We encourage our employees to connect across departments and roles to foster new ideas and strategies that lead to groundbreaking solutions.

Empower Your Career

Step into a role at Wells Fargo where your skills will be honed, your achievements recognized, and your career can flourish. We're not just filling positions; we're building leaders who are equipped to navigate the complexities of the financial world. Join Wells Fargo today and be part of a team that’s redefining the future of banking.
Learn more about Wells Fargo
Size
246,577 employees
Market Cap
$155.2 billion
Industry
Net Income
$3.3 billion
Founded
1852
5 Year Trend
-5.9%
NASDAQ

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