Senior Software Engineer - Remote

Optum is a global leader in health care innovation, developing solutions that enhance health systems and improve lives. The Senior Software Engineer will design and support scalable technical solutions for onboarding payers onto the Optum Pay processing platform, ensuring efficient and reliable payment processing capabilities. Responsibilities: Stay up-to-date with emerging technologies, frameworks, and industry trends related to payment systems and cloud computing; Design and implement microservices-based architecture using domain-driven design principles; Implement robust monitoring, logging, and alerting mechanisms to ensure system performance and availability; Develop highly resilient and highly available components for the payment system Qualifications: 7+ years of overall software engineering experience delivering enterprise-scale applications with working in Agile environments (Scrum/Kanban); 5+ years of hands-on Java development experience, using modern frameworks and libraries such as Spring, Spring Boot, and Spring Batch, with solid object-oriented design principles; 5+ years of experience designing, developing, and consuming RESTful web services, including 3+ years building microservices and event-driven architectures using platforms such as Kafka; 5+ years of experience with relational databases (PostgreSQL, Microsoft SQL Server, Oracle), including data modeling, query optimization, and performance tuning; 3+ years of experience with batch processing and production environments, including UNIX/Linux commands, scripting, file handling, troubleshooting, and job scheduling using Tivoli Workload Scheduler (TWS) / IBM Workload Scheduler; 3+ years of experience with cloud and DevOps practices, including AWS/Azure/GCP, CI/CD pipelines, GitHub Actions or similar, and production support experience diagnosing issues, analyzing logs/metrics using splunk or any monitoring tool, and delivering high-quality fixes; 2+ years of hands-on experience with WTX (IBM Transformation Extender), including map design, development, testing, maintenance, and integration with batch and enterprise workflows Required Skills: Java, Spring Framework, Spring Boot, Spring Batch, Object-Oriented Design, RESTful Web Services, Microservices Architecture, Event-Driven Architecture, Apache Kafka, Relational Databases, PostgreSQL, Microsoft SQL Server, Oracle Database, Data Modeling, Query Optimization, Performance Tuning, Batch Processing, UNIX/Linux Commands, Scripting, File Handling, Job Scheduling, Tivoli Workload Scheduler, IBM Workload Scheduler, Cloud Computing, AWS, Azure, Google Cloud Platform, DevOps Practices, CI/CD Pipelines, GitHub Actions