Sr. Software Engineer (Appian to React Migration)

Position Summary

The COB Platform team is looking for an experienced full stack engineer to support the migration of existing low-code applications to a modern React and Java Spring Boot stack, deployed on AWS EKS. Part of this work involves migrating business logic from SQL Server stored procedures into clean Java REST APIs and building the corresponding React frontend. The engineer will work closely with the platform architect/manager and a small team in a fast-paced delivery environment.

Primary Requirements

• 5+ years of professional software engineering experience
• 5+ years of React development — React, TypeScript, functional components, hooks
• 5+ years of Java development — Java 17 or higher, Spring Boot, Spring MVC, Spring Security
• Strong REST API design and development experience
• Experience migrating business logic from stored procedures or legacy systems into a Java service layer
• SQL Server or equivalent relational database experience — reading and working with complex stored procedures
• Docker containerization — multi-stage builds, health checks
• AWS experience — EKS, RDS, S3, IAM fundamentals
• Helm chart authoring for Kubernetes deployments
• Okta or equivalent OIDC / OAuth 2.0 integration — both SPA (frontend) and resource server (backend)
• Unit testing — JUnit 5 / Mockito (backend), Jest / React Testing Library (frontend)

Secondary Requirements

• TanStack Query (React Query) for server state management
• React Router v6
• Spring Data JDBC or JPA for database access
• Tailwind CSS or equivalent utility-first CSS framework
• Playwright or Cypress for end-to-end testing
• Familiarity with AI-assisted development tools
• Maven or Gradle build tooling
• Bitbucket or equivalent Git-based source control and PR workflow

Nice to Have

• Experience migrating from Appian or other low-code platforms to React
• Kafka or event-driven architecture experience
• Healthcare or claims domain knowledge