Senior Software Engineer (Java/ Cloud)

RIVA Solutions, Inc. is a company that supports the U.S. Patent and Trademark Office by delivering modern, secure, and scalable enterprise software systems. They are seeking a Senior Software Engineer (Java/Cloud) who will take hands-on ownership of production systems and collaborate with various teams to ensure system reliability and operational excellence.

Responsibilities:

• Design, develop, and maintain high-quality Java-based applications with a strong focus on scalability, reliability, and performance
• Take hands-on ownership of production systems, including supporting deployments, troubleshooting production issues, and resolving incidents
• Lead full-stack development efforts across backend services and front-end integrations, with a backend-leaning focus
• Architect and implement services using Java 20+, Spring Boot/Core/Cloud and Hibernate/JPA to build maintainable, testable, high-performing services
• Design and optimize data access layers using Hibernate (JPA) and advanced SQL; support Oracle today while contributing to future migration efforts to PostgreSQL (schema/query tuning, compatibility considerations)
• Troubleshoot and remediate production performance issues across the stack (API, ORM, database), including Hibernate query tuning, indexing, and SQL optimization
• Design and implement secure, scalable RESTful APIs
• Participate directly in CI/CD pipeline troubleshooting, deployment support, and release validation using GitLab and SonarQube
• Manage build automation and dependency management using Maven
• Implement and enforce testing strategies using TDD and BDD, leveraging JUnit, Mockito, Cucumber, and Spock
• Build accessibility considerations into application design and implementation, ensuring compliance with Section 508 standards
• Support containerized and serverless workloads in AWS, including ECS, Fargate, and Kubernetes
• Collaborate with DevOps teams to understand, maintain, and troubleshoot Infrastructure as Code (Terraform or similar tools)
• Make informed architectural trade-offs related to performance, scalability, maintainability, and operational risk
• Conduct code reviews, mentor other developers, and uphold engineering best practices
• Ensure system uptime, performance, and stability across development, test, and production environments

Requirements:

• Bachelor's degree (BA/BS) and 10+ years of experience, or Master's degree (MA/MS) and 8+ years of experience in software development
• Extensive hands-on experience with Java 20+ and object-oriented design principles
• Strong expertise with Oracle databases and advanced SQL, with hands-on PostgreSQL experience (or demonstrated ability supporting Oracle-to-PostgreSQL migration initiatives)
• Deep knowledge of the Spring ecosystem (Spring Boot, Spring Core, Spring Cloud) and Hibernate/JPA for ORM-based enterprise applications
• Proven experience designing and maintaining enterprise persistence layers (ORM mappings, transactions, performance optimization) using Hibernate/JPA
• Proven experience designing and supporting distributed systems and service-based architecture
• Demonstrated ownership of production systems, including post-deployment support
• Experience troubleshooting CI/CD pipelines and deployment issues
• Proficiency with Git and modern branching and release strategies
• Experience working in Agile development environments
• Strong communication skills and ability to collaborate across technical and non-technical teams
• Ability to obtain and maintain a High-Level Public Trust clearance
• Experience with Angular or similar front-end frameworks (integration-focused, not UI-specialist)
• Experience supporting database modernization efforts, including Oracle-to-PostgreSQL migrations (schema conversion, SQL refactoring, performance tuning)
• Strong experience with AWS cloud services, particularly containerized and serverless workloads
• Hands-on experience with Terraform or similar infrastructure-as-code tools
• Prior experience supporting USPTO or other federal systems
• Experience serving as a senior engineer on complex, long-lived, product-centric platforms
• Exposure to performance tuning, production monitoring, and system observability