Senior Java Developer

Join our dynamic and thriving footwear company as a Senior Java Developer in St. Louis, MO where you'll have the opportunity to make an impact and shape the future of our renowned brands. If you have a passion for fashion, eager to learn and have an eye for detail, this is the perfect role for you! As a member of our team, you'll be part of a company that values results, caring and learning.   What will you be doing?  Backend Engineering (Java/Spring Boot): Design and develop Spring Boot MVC/REST services and GraphQL APIs supporting our React applications Payments & Core Integrations: Own end-to-end integrations with Braintree/PayPal, Venmo, Klarna, and additional payment services Solution Integrations: Build and support integrations both internally and with external vendors using FTP, REST/GraphQL APIs, Message queues Platform Reliability, Observability & Performance: Define and standardize APM instrumentation, structured logging, distributed tracing, and alerting OpenShift, Containers & Deployment: Operate and optimize services running on the OpenShift Container Platform, in addition to owning and maintaining Helm charts, Kubernetes manifests, and container deployment standards Security & Certificate Management: Manage TLS certificates for internal and external service communication, and oversee certificate rotation, renewal, and debugging of secure communication failures Collaborate Internally: Partner with product, DevOps, security, and infrastructure teams to deliver scalable, reliable solutions   Perks you will enjoy! Our Shoe Discounts: No matter your style, we’ve got your perfect fit covered with a 30% Associate Discount across Famous Footwear and Caleres brands Benefits that Start Day One: To learn more details about our total rewards including 401k, health benefits and PTO, visit yourcaleres.com Get Paid When You Want: Access your money as you earn it and request your earnings before payday Mental Wellness: Your mental health is important to us, and we offer free, 24/7 confidential support and resources through CompPsych EAP for eligible associates Relaxed Dress Code: At Caleres, we believe that the right shoes can take you anywhere, and your authentic self is always in style. Feel free to leave your professional attire in the back of your closet! Site Perks: Full access to our onsite gym, Starbucks, Grab and Go Market, and free parking located in the convenient area of downtown Clayton, MO    Qualifications that make you the perfect fit! 8+ years of experience in Java/Spring Boot (MVC, REST), including production systems at scale Hands-on experience with payment integrations Strong knowledge of resilient integration patterns (timeouts, retries, pooling, circuit breakers) Experience with FTP workflows, message queue systems (Kafka/RabbitMQ), and API-based integrations Proficiency with OpenShift/Kubernetes, Helm, and Docker Experience managing TLS certificates and secure service communication Strong system observability and troubleshooting capabilities