Wells Fargo is seeking a Principal Engineer to join Strategic Services & Advanced Technology team within Digital Technology and Innovation group. This role will have foundational ownership over the core state machine, working at the lowest levels of the stack to design, build, and maintain the modules that define our L1 Blockchain network at Wells Fargo. This is a rare opportunity to solve hard technical problems in distributed systems and blockchain research and to build open-source infrastructure that will secure significant value.
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
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:
- Professional software engineering experience, with a focus on backend or distributed systems.
- Expert-level proficiency in Go.
- Demonstrable, hands-on experience developing and maintaining custom modules for the Cosmos SDK.
- Solid understanding of CometBFT consensus and the Application Blockchain Interface (ABCI/ABCI++).
- Experience in launching or contributing to a Cosmos-based blockchain network.
- Deeply committed to writing clear, maintainable, and thoroughly tested code.
- Strong experience in cloud adoption of Blockchain applications including GCP (target platforms) or similar Blockchain frameworks
- Good proficiency in RUST - Ability to understand, dissect and build services
- Build, Develop, Implement, and maintain core blockchain modules in Go using the Cosmos SDK, including a sophisticated, role-based token-factory for native asset issuance.
- Design and implement custom logic within the ABCI+ interface (Prepare-Proposal/Process-Proposal) to enable advanced features and optimizations.
- Configure, launch, and maintain our blockchain network, including genesis configuration, validator setup, and consensus parameter tuning.
- Implement and manage cross-chain functionality using the Inter-Blockchain Communication (IBC) protocol.
- Write exhaustive Unit, Integration, and End-to-End tests to guarantee the security, correctness, and performance of the core protocol.
- Participate in architectural discussions, conduct rigorous code reviews, and contribute to our high standards for technical documentation.
- Troubleshoot and resolve complex issues in our development, test, and production environments.
Job Expectations:
- Experience in development of enterprise scale banking applications will be a plus.
- Ability to negotiate, influence, and collaborate to build successful relationships.
- Knowledge and understanding of Information Technology governance risk and compliance processes such as policies, control standards, risk management concepts, or information security.
Top Skills
What We Do
Wells Fargo & Company (NYSE: WFC) is a leading financial services company that has approximately $2.1 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 once again ranked in the top three – making us the #1 financial services employer – on the 2025 LinkedIn Top Companies list of best workplaces “to grow your career” in the U.S. 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. We ranked in the top 3 on the 2025 LinkedIn Top Companies list – and #1 among financial services companies – as the best workplace “to grow your career” in the U.S.
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