Java Full Stack Lead
First seen by Alion on Nov 2, 2026.
About Creospan :
Creospan is a subsidiary of Creospan Inc., headquartered in Chicago, Illinois. Established in 1999, the company helps clients leverage emerging technologies to build next-generation products. Its expertise spans Telecom, Technology, Manufacturing, E-commerce, Insurance, Banking, Transportation, and Healthcare.
Job Summary :
Creospan is seeking an experienced Java Full Stack Lead to lead the modernization of Fundmaster user experiences and supporting Java services. The role involves hands-on architecture and development across React.js, Java, Spring Boot, REST APIs, and SQL, along with responsibility for performance engineering, observability, CI/CD, releases, and production stability.
Key Responsibilities :
- Lead the design, development, and delivery of responsive React applications and scalable Java backend services.
- Define reusable frontend architecture, component patterns, state management, API integration standards, and coding conventions.
- Establish service design, testing, security, logging, error handling, and operational-readiness standards.
- Conduct architecture, code, test-strategy, and production-readiness reviews.
- Drive application performance, scalability, reliability, resilience, security, accessibility, and observability.
- Troubleshoot frontend latency, API bottlenecks, JVM issues, database connectivity, slow SQL queries, and scalability challenges.
- Configure and maintain Dynatrace dashboards, distributed tracing, logging, alerting, and production-support practices.
- Lead critical incident resolution and ensure stable releases and production operations.
- Mentor full-stack engineers and communicate technical decisions, risks, and progress to business and management stakeholders.
Required Technical Skills :
- Java 8 - 17, Spring Boot, Spring WebFlux, Spring JDBC, Spring AOP, and CompletableFuture.
- React.js, TypeScript, JavaScript ES6+, HTML5, CSS3, responsive design, and component architecture.
- REST APIs, microservices, state management, API integration, validation, and error handling.
- SQL, database performance tuning and troubleshooting.
- JVM diagnostics, performance tuning, Dynatrace, GitHub, CI/CD, Linux, and Apache Tomcat.
- Exposure to Docker, Kubernetes, and cloud platforms.
- Automated frontend, backend, integration, and end-to-end testing.
Preferred Qualifications :
- Experience in financial services, investment operations, accounting, reconciliation, or asset servicing.
- Experience modernizing legacy or mission-critical enterprise applications.
- Exposure to AS400/IBM i and DB2.
- Experience with Azure or AWS, along with Docker and Kubernetes.
Technology Stack : React.js, TypeScript, JavaScript, Java 8 - 17, Spring Boot, WebFlux, REST APIs, Microservices, SQL, DB2, Dynatrace, GitHub, CI/CD, Docker, Kubernetes, Azure
Skills
Full Stack, Java, Spring Boot, React.js, RESTful API, SQL, TypeScript, Spring WebFlux, AWS