MuleSoft API Principal Engineer

MuleSoft API Principal EngineerLocation:TX - Dallas/IrvingWhat you'll 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 Banking-as-a-Service (BaaS). The ideal candidate will be responsible for optimizing vCore utilization, ensuring high availability, and designing fault-tolerant, scalable payment API solutions. Additionally, the candidate should drive platform observability, leverage Gen AI for rapid API development, and continuously innovate to enhance the ecosystem's business value.Technical:Architect, design, and implement MuleSoft APIs for high-performance, scalable, and secure payment processing.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-premImplement 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 knowledge-sharing 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 bank's API landscape.What you'll need:10 + years of experience in API development and integration, with deep expertise in MuleSoft (CloudHub & On-Prem).Bachelors degree in related field.Strong knowledge of MuleSoft API security, authentication, and encryption for financial services.Expertise in hybrid API deployments, including on-prem Mule runtimes, Anypoint Runtime Fabric, and CloudHub worker management.Proven experience optimizing vCore allocation and high-performance transaction processing.Strong background in event-driven architectures and real-time processing using Kafka.Expertise in observability tools like ELK, AppDynamics, and Grafana for proactive monitoring and issue resolution.Hands-on 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 proce