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The Role
Principal Engineer responsible for enterprise-scale architecture and engineering strategy for high-scale consumer platforms. The role designs distributed Java and Python systems, AI/LLM-powered experiences, microservices, streaming architectures, and resilient cloud platforms. Responsibilities include technical leadership, platform engineering, CI/CD, quality engineering, performance optimization, observability, security, responsible AI, innovation, and collaboration with product, UX, data science, and executive stakeholders.
Summary Generated by Built In
About this role:
Wells Fargo is seeking a Principal engineer for Architecture and Engineering team.
In this role, you will:
1. Consumer Platform Architecture
26 Aug 2026
*Job posting may come down early due to volume of applicants.
We Value Equal Opportunity
Wells Fargo is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.
Employees support our focus on building strong customer relationships balanced with a strong risk mitigating and compliance-driven culture which firmly establishes those disciplines as critical to the success of our customers and company. They are accountable for execution of all applicable risk programs (Credit, Market, Financial Crimes, Operational, Regulatory Compliance), which includes effectively following and adhering to applicable Wells Fargo policies and procedures, appropriately fulfilling risk and compliance obligations, timely and effective escalation and remediation of issues, and making sound risk decisions. There is emphasis on proactive monitoring, governance, risk identification and escalation, as well as making sound risk decisions commensurate with the business unit's risk appetite and all risk and compliance program requirements.
Candidates applying to job openings posted in Canada: Applications for employment are encouraged from all qualified candidates, including women, persons with disabilities, aboriginal peoples and visible minorities. Accommodation for applicants with disabilities is available upon request in connection with the recruitment process.
Applicants with Disabilities
To request a medical accommodation during the application or interview process, visit Disability Inclusion at Wells Fargo .
Drug and Alcohol Policy
Wells Fargo maintains a drug free workplace. Please see our Drug and Alcohol Policy to learn more.
Wells Fargo Recruitment and Hiring Requirements:
a. Third-Party recordings are prohibited unless authorized by Wells Fargo.
b. Wells Fargo requires you to directly represent your own experiences during the recruiting and hiring process.
Wells Fargo is seeking a Principal engineer for Architecture and Engineering team.
In this role, you will:
- Act as an advisor to leadership to develop or influence applications, network, information security, database, operating systems, or web technologies for highly complex business and technical needs across multiple groups
- Lead the strategy and resolution of highly complex and unique challenges requiring in-depth evaluation across multiple areas or the enterprise, delivering solutions that are long-term, large-scale and require vision, creativity, innovation, advanced analytical and inductive thinking
- Translate advanced technology experience, an in-depth knowledge of the organizations tactical and strategic business objectives, the enterprise technological environment, the organization structure, and strategic technological opportunities and requirements into technical engineering solutions
- Provide vision, direction and expertise to leadership on implementing innovative and significant business solutions
- Maintain knowledge of industry best practices and new technologies and recommends innovations that enhance operations or provide a competitive advantage to the organization
- Strategically engage with all levels of professionals and managers across the enterprise and serve as an expert advisor to leadership
- 7+ years of Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
1. Consumer Platform Architecture
- Lead architecture for high-scale consumer applications serving millions of users.
- Design systems optimized for:
- Low latency & high throughput
- Global distribution & edge delivery
- Seamless user experience (UX)
- Define architecture patterns for:
- Personalization engines
- Recommendation systems
- Real-time engagement platforms
- Ensure alignment with privacy, security, and compliance (GDPR, etc.).
- Architect and build distributed services using:
- Java (Spring Boot, reactive frameworks)
- Python (FastAPI, ML services)
- Drive standardization of APIs, SDKs, and shared platform services.
- Enable reusable platform capabilities for rapid product innovation.
- Solve complex challenges in concurrency, caching, and distributed data management.
- Design AI-powered features such as:
- Recommendations & personalization
- Conversational interfaces (chatbots, assistants)
- Content generation and summarization
- Build and scale LLM-based systems (RAG pipelines, prompt orchestration, agentic flows).
- Integrate with vector databases, embeddings, and real-time inference APIs.
- Ensure safe and responsible AI usage in consumer scenarios (bias, hallucination, privacy).
- Architect robust systems using:
- Microservices, serverless, event-driven patterns
- Streaming platforms (Kafka, Event Hub, etc.)
- Design for:
- Horizontal scalability
- Fault isolation
- Graceful degradation
- Evaluate trade-offs across consistency, availability, and performance.
- Define modern SDLC practices for high-velocity consumer product teams.
- Drive:
- CI/CD automation
- Blue-green & canary deployments
- Feature flag-driven releases
- Establish developer platforms for productivity and self-service infrastructure.
- Promote DevSecOps and shift-left practices.
- Establish scalable automated testing strategy:
- Functional, integration, and contract testing
- End-to-end testing for user journeys
- Drive experimentation frameworks (A/B testing) for consumer features.
- Ensure observability into user experience metrics (latency, errors, drop-offs).
- Design systems for peak traffic events and burst scalability.
- Implement:
- CDN strategies and caching layers
- Rate limiting and traffic shaping
- Lead performance benchmarking and tuning.
- Embed resilience patterns:
- Circuit breakers, retries, backpressure
- Chaos engineering and failure simulations
- Maintain high SLA/SLO for consumer-facing systems.
- Partner with:
- Product management
- UX/design teams
- Data science & analytics
- Translate business goals into consumer-centric technical solutions.
- Influence roadmap with data-driven insights and technical strategy.
- Communicate architecture and trade-offs to executive stakeholders.
- Drive innovation in:
- AI-first consumer experiences
- Hyper-personalization
- Real-time engagement
- Stay ahead of trends in consumer tech, including:
- Generative AI
- Mobile-first and omnichannel platforms
- Lead POCs and experimentation pipelines.
26 Aug 2026
*Job posting may come down early due to volume of applicants.
We Value Equal Opportunity
Wells Fargo is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.
Employees support our focus on building strong customer relationships balanced with a strong risk mitigating and compliance-driven culture which firmly establishes those disciplines as critical to the success of our customers and company. They are accountable for execution of all applicable risk programs (Credit, Market, Financial Crimes, Operational, Regulatory Compliance), which includes effectively following and adhering to applicable Wells Fargo policies and procedures, appropriately fulfilling risk and compliance obligations, timely and effective escalation and remediation of issues, and making sound risk decisions. There is emphasis on proactive monitoring, governance, risk identification and escalation, as well as making sound risk decisions commensurate with the business unit's risk appetite and all risk and compliance program requirements.
Candidates applying to job openings posted in Canada: Applications for employment are encouraged from all qualified candidates, including women, persons with disabilities, aboriginal peoples and visible minorities. Accommodation for applicants with disabilities is available upon request in connection with the recruitment process.
Applicants with Disabilities
To request a medical accommodation during the application or interview process, visit Disability Inclusion at Wells Fargo .
Drug and Alcohol Policy
Wells Fargo maintains a drug free workplace. Please see our Drug and Alcohol Policy to learn more.
Wells Fargo Recruitment and Hiring Requirements:
a. Third-Party recordings are prohibited unless authorized by Wells Fargo.
b. Wells Fargo requires you to directly represent your own experiences during the recruiting and hiring process.
Skills Required
- 7+ years of engineering experience, or equivalent experience demonstrated through work, training, military experience, or education.
- Experience leading architecture for high-scale consumer applications serving millions of users.
- Experience architecting distributed services with Java, Spring Boot, Python, and FastAPI.
- Experience designing AI/ML and LLM-powered consumer experiences, including RAG pipelines, vector databases, embeddings, and real-time inference.
- Experience with microservices, serverless, event-driven architectures, Kafka, or Event Hub.
- Experience establishing CI/CD, DevSecOps, automated testing, experimentation, observability, and platform engineering practices.
- Experience with performance, scalability, resiliency, caching, CDN strategies, traffic shaping, and chaos engineering.
- Experience partnering with product, UX, data science, and executive stakeholders to align technical strategy with business goals.
Wells Fargo Compensation & Benefits Highlights
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Retirement Support — Retirement support is anchored by a dollar‑for‑dollar 401(k) match on employee contributions after one year of service, with an additional non‑matching company contribution for some lower‑paid employees. Access to an employee stock purchase plan further expands long‑term savings opportunities.
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Parental & Family Support — Family supports include up to 16 weeks of paid parental leave available from the first day of employment, plus paid critical‑caregiving leave and extensive backup care options. Fertility, adoption, and surrogacy programs are highlighted with meaningful coverage and reimbursements, including a combined lifetime maximum up to $35,000 for eligible expenses.
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Healthcare Strength — Health coverage is comprehensive from day one, spanning medical, dental, vision, mental health, prescriptions, and preventive care often fully covered in‑network. Employer cost‑sharing is emphasized alongside no‑cost counseling through the EAP within plan limits.
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The Company
What We Do
Wells Fargo & Company (NYSE: WFC) is a leading financial services company that has approximately $2.2 trillion in assets. We provide a diversified set of banking, investment and mortgage products and services, as well as consumer and commercial finance, through our four reportable operating segments: Consumer Banking and Lending, Commercial Banking, Corporate and Investment Banking, and Wealth & Investment Management. Wells Fargo ranked No. 33 on Fortune’s 2025 rankings of America’s largest corporations. Our technology professionals drive innovation, information security, and big data analytics while maintaining a network that handles more than 12 billion customer interactions a year. Join us! Are you looking for more? Find it here. At Wells Fargo, we're more than a financial services leader – we’re a global trailblazer committed to driving innovation, empowering communities, and helping our customers succeed. We believe that a meaningful career is much more than just a job – it’s about finding all of the elements to help you thrive, in one place. Living the Well Life means you’re supported in life, not just work. It means having robust benefits, competitive compensation, and programs designed to help you find work-life balance and well-being. You’ll be rewarded for investing in your community, celebrated for being your authentic self, and empowered to grow. And we’re recognized for it — Wells Fargo continues to rank on the LinkedIn Top Companies lists of best workplaces “to grow your career.” All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic. © 2026 Wells Fargo Bank, N.A. All rights reserved. Member FDIC.
Why Work With Us
We're known for our “Well Life” approach to supporting employees’ career aspirations, work-life balance, and mental and physical health. Wells Fargo continues to rank on the LinkedIn Top Companies lists of best workplaces “to grow your career.”
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Wells Fargo Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Typical time on-site:
3 days a week
