MuleSoft API Principal Engineer

Job Title:

MuleSoft API Principal Engineer

Location:

TX Dallas/Irving

What youll do:

We are seeking a highly experienced MuleSoft Principal Engineer II with 12 years of expertise in API architecture design development and full lifecycle management to lead the Payments API ecosystem. This role requires deep technical knowledge of MuleSoft along with advanced API Management and API Security for BankingasaService (BaaS). The ideal candidate will be responsible for optimizing vCore utilization ensuring high availability and designing faulttolerant scalable payment API solutions. Additionally the candidate should drive platform observability leverage Gen AI for rapid API development and continuously innovate to enhance the ecosystems business value.

Technical:

• Architect design and implement MuleSoft APIs for highperformance scalable and secure payment processing.
• Optimize vCore utilization for cost efficiency resource allocation and high availability.
• Develop resilient and faulttolerant API architectures ensuring zerodowntime 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 certificatebased authentication and encryption standards for financial transactions.
• Ensure adherence to FDX (Financial Data Exchange) standards for secure financial data interoperability.
• Build eventdriven architectures utilizing Kafka for highthroughput and lowlatency 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 Onprem
• 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.

Process & People:

• Drive engineering best practices enforcing agile methodologies DevSecOps CI/CD pipelines and automated testing.

• Mentor and guide junior engineers fostering technical excellence and knowledgesharing within the team.
• Advocate for continuous improvement leveraging Gen AI tools to accelerate API development and optimize workflows.
• Collaborate with business security and infrastructure teams to align API strategies with business goals.
• Lead root cause analysis and incident resolution processes ensuring proactive risk mitigation.
• Establish API governance frameworks to standardize development deployment and versioning across the banks API landscape.

What youll need:

• 10 years of experience in API development and integration with deep expertise in MuleSoft (CloudHub & OnPrem).
• Bachelors degree in related field.
• Strong knowledge of MuleSoft API security authentication and encryption for financial services.
• Expertise in hybrid API deployments including onprem Mule runtimes Anypoint Runtime Fabric and CloudHub worker management.
• Proven experience optimizing vCore allocation and highperformance transaction processing.
• Strong background in eventdriven architectures and realtime processing using Kafka.
• Expertise in observability tools like ELK AppDynamics and Grafana for proactive monitoring and issue resolution.
• Handson experience with NoSQL databases (MongoDB Azure CosmosDB) and relational databases.
• Solid experience in Agile methodologies DevSecOps CI/CD and automated deployment strategies.
• Excellent leadership mentorship and collaboration skills with a focus on team development and process optimization.
• Familiarity with Gen AI tools for automated API development and enhanced productivity.

Benefits youll love:
We offer all the important things youd 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 youll 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 handson experience to help grow your career!

About the company:

Western Alliance Bank is a wholly owned subsidiary of Western Alliance Bancorporation. Alliance Bank of Arizona Alliance Association Bank Bank of Nevada Bridge Bank First Independent Bank and Torrey Pines Bank are divisions of Western Alliance Bank; Member FDIC. AmeriHome Mortgage is a Western Alliance Bank company.

Western Alliance Bancorporation is committed to equal employment and will consider all qualified applicants without regard to race sex color religion age nation origin marital status disability protected veteran status sexual orientation gender identity or genetic information. Western Alliance Bancorporation is committed to working with and providing reasonable accommodations for individuals with disabilities. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process and/or need an alternative method of applying please email or call. When contacting us please provide your contact information and state the nature of your accessibility issue. We will only respond to inquiries concerning requests that involve a reasonable accommodation in the application process.

Western Alliance Bancorporation