MuleSoft API Principal Engineer

Western Alliance Bancorporation; Phoenix (AZ); On-site; USD 120,000 - 160,000; Full time

Job summary

An established industry player is seeking a highly experienced MuleSoft API Principal Engineer to lead the Payments API ecosystem. This dynamic role involves optimizing vCore utilization, ensuring high availability, and designing fault-tolerant, scalable payment API solutions. The ideal candidate will drive platform observability and leverage Gen AI for API development while mentoring junior engineers. With competitive salaries and a range of benefits, this opportunity offers a chance to make a significant impact in a forward-thinking company dedicated to innovation in the financial sector.

Benefits

Medical/Dental Insurance

401k Matching

Tuition Assistance

Volunteer Programs

Wellness Programs

Time Off

Ownership Stake

Opportunities to Learn Banking Operations

Qualifications

• 12+ years of expertise in API architecture and MuleSoft development.
• Strong knowledge of API security, authentication, and encryption.
• Proven ability to optimize vCore and manage high-performance transactions.

Responsibilities

• Lead the Payments API ecosystem with high-performance, scalable solutions.
• Drive engineering best practices and mentor junior engineers.
• Collaborate with teams to align API strategies and ensure compliance.

Skills

MuleSoft API Development

API Security Best Practices

Event-Driven Architectures

Agile Methodologies

DevSecOps

CI/CD

Leadership and Mentorship

Education

Bachelor's Degree in a Related Field

Tools

MuleSoft

Kafka

ELK Stack

AppDynamics

Grafana

MongoDB

Azure CosmosDB

Job description

Job Title: MuleSoft API Principal Engineer

Location:

TX - Dallas/Irving

What you'll do:

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. Responsibilities include optimizing vCore utilization, ensuring high availability, designing fault-tolerant, scalable payment API solutions, driving platform observability, leveraging Gen AI for API development, and continuous innovation to enhance business value.

Technical:

1. Architect, design, and implement MuleSoft APIs for high-performance, scalable, and secure payment processing.
2. Optimize vCore utilization for cost efficiency and high availability.
3. Develop resilient, fault-tolerant API architectures with zero-downtime deployments and disaster recovery.
4. Manage full API lifecycle, including development, security, deployment, and maintenance.
5. Implement API security best practices such as OAuth 2.0, JWT, mTLS, and encryption for financial transactions.
6. Ensure compliance with FDX standards for secure financial data exchange.
7. Build event-driven architectures using Kafka for high-throughput, low-latency transactions.
8. Integrate NoSQL databases like MongoDB and Azure CosmosDB for scalable data storage.
9. Develop observability frameworks with ELK for monitoring API performance and security.
10. Optimize MuleSoft worker configurations, clustering, autoscaling, and strategize for hybrid deployments.
11. Implement MuleSoft High Availability clustering and load balancing.
12. Enforce security policies and compliance controls on API gateways.

Process & People:

1. Drive engineering best practices, enforce agile, DevSecOps, CI/CD, and automated testing.
2. Mentor junior engineers, fostering technical excellence.
3. Leverage Gen AI tools for API development and workflow optimization.
4. Collaborate with business, security, and infrastructure teams to align API strategies.
5. Lead root cause analysis and incident resolution, ensuring proactive risk mitigation.
6. Establish API governance frameworks for development, deployment, and versioning.

What you'll need:

1. 10+ years in API development and integration, with deep MuleSoft expertise (CloudHub & On-Prem).
2. Bachelor's degree in a related field.
3. Strong knowledge of MuleSoft API security, authentication, and encryption for financial services.
4. Experience with hybrid API deployments, including on-prem Mule runtimes, Anypoint Runtime Fabric, and CloudHub worker management.
5. Proven ability to optimize vCore and manage high-performance transaction processing.
6. Experience with event-driven architectures and Kafka.
7. Proficiency with observability tools like ELK, AppDynamics, and Grafana.
8. Hands-on experience with NoSQL (MongoDB, Azure CosmosDB) and relational databases.
9. Solid background in Agile, DevSecOps, CI/CD, and automated deployment.
10. Leadership and mentorship skills, with a focus on team development.
11. Familiarity with Gen AI tools for API automation.

Benefits you'll love:

Competitive salaries, ownership stake, medical/dental insurance, time off, 401k matching, tuition assistance, volunteer and wellness programs, and opportunities to learn about banking operations and finance.

About the company:

Western Alliance Bank, a subsidiary of Western Alliance Bancorporation, with divisions including Alliance Bank of Arizona, Bank of Nevada, Bridge Bank, First Independent Bank, and Torrey Pines Bank. Member FDIC. AmeriHome Mortgage is part of Western Alliance Bank.

Western Alliance Bancorporation is committed to equal employment opportunity and providing accommodations for individuals with disabilities. For accommodations, contact HR at [e-mail] or call 602-386-2488.