Western Alliance Bancorporation

MuleSoft API Principal Engineer I

Western Alliance Bancorporation$120K — $145K *
Finance & Insurance
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of related experience
  • Bachelor's degree in a related field; Master's or MBA preferred
  • Previous leadership experience preferred
  • Advanced knowledge of Financial Services or Banking
  • Expertise in regulatory compliance obligations and industry standards
  • Experience leading cross-functional teams and managing multiple projects
  • Excellent speaking and writing communication skills

Responsibilities

  • Lead large-scale design efforts for critical projects and solutions
  • Build comprehensive solution designs for lower-level engineers
  • Review technical plans for quality assurance
  • Develop measurement dashboards for performance insights
  • Architect and implement MuleSoft APIs for payment processing
  • Lead AI-assisted API design and development initiatives
  • Ensure implementation of API security best practices

Benefits

  • Competitive salaries and ownership stake in the company
  • Medical and dental insurance
  • Generous time-off policy
  • Great 401k matching program
  • Tuition assistance program
  • Employee volunteer program
  • Wellness program
  • Opportunities for valuable business knowledge and hands-on experience
Full Job Description
Job Title:
MuleSoft API Principal Engineer I

Location:
Block 23

What you'll do:
As a Principal Engineer I you'll provide your expert-level knowledge as the established authority in your domain as well as extensive knowledge across multiple domains to ensure solutions are safe, secure, compliant, and reliable. You'll lead large and complex design efforts supporting critical projects and solutions while engaging with project and business sponsors defining requirements and objectives of targeted solutions. As a Principal Engineer II, you'll also engage in the facilitation of dialogue and large team activities, while ensuring collaboration to include teams outside of your domain. You'll develop effective presentations and narratives for business stakeholders and IT audiences.
  • Build the solution design of efforts that can be handed off to lower-level engineers for execution assuring reuse of platforms where possible.
  • Review technical plans developed by lower-level engineers and analysts to assure quality designs which can support the volumetrics of our business partners objectives.
  • Build comprehensive measurement dashboards that give performance insight into key applications of the bank which can feed operational results of our business partners while enforcing IT standards, and may modify or build procedures that support areas of operations across IT.
  • Work independently or partner with architecture team counterparts to lay out the final documentation required for proper, ongoing reference of the given solution to include physical and logical layouts with cross reference to use case models.
  • Architect, design, and implement MuleSoft APIs for high-performance, scalable, and secure payment processing.
  • Lead the adoption of AI-assisted API design and development using GenAI tools (e.g., MuleSoft AI, GitHub Copilot, internal LLMs) to accelerate API creation, reduce development cycle time, and improve code consistency across the Payments API landscape.
  • Optimize vCore utilization for cost efficiency, resource allocation, and high availability.
  • Develop resilient and fault-tolerant API architectures, ensuring zero-downtime deployments and disaster recovery strategies.
  • Lead full API lifecycle management, from development and security hardening to deployment and maintenance.
  • Implement API security best practices, including OAuth 2.0, JWT, mTLS, certificate-based authentication, and encryption standards for financial transactions.
  • Ensure adherence to FDX (Financial Data Exchange) standards for secure financial data interoperability.
  • Build event-driven architectures utilizing Kafka for high-throughput and low-latency transaction processing.
  • Implement NoSQL database integration (MongoDB, Azure CosmosDB) for flexible and scalable data storage solutions.
  • Develop observability frameworks with ELK to monitor API performance, security, and anomalies.
  • Optimize MuleSoft worker configurations, clustering, and autoscaling strategies for CloudHub deployments. Need to come up with strategy for future hybrid deployments - Cloud hub and On-prem
  • Implement MuleSoft High Availability (HA) clustering and load balancing to ensure resilience and failover capabilities.
  • Enforce security policies and compliance controls specific to MuleSoft API gateways.
  • Design and develop APIs using Azure API Management (APIM) to enforce consistent security, rate limiting, versioning, and lifecycle governance while enabling scalable, reusable, and well-managed API consumption across platforms.


What you'll need:
  • 8+ years of related experience.
  • Bachelor's degree in related field required; Masters or MBA in related field preferred.
  • Previous leadership experience preferred.
  • Advanced to expert knowledge of general Financial Services or Banking is preferred.
  • Advanced to expert knowledge of applicable regulatory and legal compliance obligations, rules and regulations, industry standards and practices.
  • Advanced to expert experience in leading cross-functional teams and managing multiple projects simultaneously with an established expertise in one or more key domains of the bank (Deposits, Loans, Operations or Reporting) with the ability to walk-through top-level process design. Capable of working with regulatory partners like the CFPB, OCC and FRB through audits and collaboration efforts as situations arise.
  • Advanced to expert familiarity with the capability model across IT and the applications and infrastructures available for engagement in solutioning across the bank to develop results that leverage existing capabilities in addition to implementing new solutions when required. Experience in the design, enhancement and compliance to all governance frameworks across the IT organization to ensure proper compliance to published procedures and standards.
  • Advanced speaking and writing communication skills.


Benefits you'll love:
We offer all the important things you'd want - like competitive salaries, an ownership stake in the company, medical and dental insurance, time off, a great 401k matching program, tuition assistance program, an employee volunteer program, and a wellness program. In addition, you'll have the opportunity to bolster your business knowledge, learning the ins and outs of how successful companies operate and manage their finances, giving you invaluable hands-on experience to help grow your career!

About Western Alliance Bancorporation

Western Alliance Bancorporation is a bank holding company that provides a range of banking and related services to businesses and individuals. The company was founded in 1994 and is headquartered in Phoenix, Arizona. Western Alliance Bancorporation operates through its subsidiary banks, which include Western Alliance Bank, Bank of Nevada, and Bridge Bank. The company offers a variety of products and services, including commercial and industrial loans, real estate loans, treasury management, and wealth management. Western Alliance Bancorporation is committed to providing exceptional customer service and has received numerous awards and recognitions for its performance and growth.
Learn more about Western Alliance Bancorporation
Size
3,139 employees
Market Cap
$6.2 billion
Industry
Net Income
$506.6 million
5 Year Trend
+18.8%
NASDAQ

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