Sr. Java Developer

**Location:** St. Louis, MO (onsite client interview and worksite mandatory Only) Core Technical Must\-Haves * 8\+ years of professional Java development experience (enterprise\-scale microservices) * 5\+ years of hands\-on cloud platform experience (AWS strongly preferred) – architecture \+ deployment * Deep expertise with **Spring Boot** and related Java frameworks * Experience with GraphQL and Node.js in backend development * Strong background in **event\-driven architectures** and messaging systems (Apache Kafka, Apache Camel) * Proven experience leading application modernization (monolith\-to\-microservices, legacy integrations) * Expertise in containerization \& orchestration: Docker \+ Kubernetes * Familiarity with service meshes (e.g., Istio), API gateways (Zuul, NGINX), and OAuth2/SAML * Proficiency with CI/CD tools (GitLab, Jenkins) * Experience with observability tools (DataDog, SumoLogic) and distributed tracing * Strong understanding of telecommunications systems (identity management, billing systems, device/network management preferred) . Leadership \& Delivery Fit * Experience architecting and leading development of robust Java\-based microservices * Proven ability to guide and mentor engineering teams (best practices in design, testing, DevOps) * Track record of driving cloud\-native solution design and deployment (AWS, Kubernetes, Docker) * Experience collaborating with cross\-functional teams and aligning technical solutions with business goals * Champions CI/CD pipelines, automated testing, and observability * Ensures secure coding practices, performance optimization, and production readiness * Strong documentation and knowledge\-sharing habits * Excellent communication and stakeholder engagement skills . Preferred / Differentiating Experience * Telecommunications industry experience (customer identity, billing systems, network equipment management) * Full\-stack exposure (React or Angular for internal tooling) * Familiarity with Agile/Scrum and SAFe frameworks * Cloud\-native tool development or internal platform engineering experience * Any hands\-on AI development / AI\-assisted development experience (noted in the title – nice\-to\-have differentiator) . Education * Bachelor’s or Master’s degree in Computer Science, Engineering, or related field Pay: $50\.00 \- $60\.00 per hour Work Location: In person