Java Full Stack Lead - React.js/Spring Boot

Role : Java Full Stack Developer

Company : Creospan

Location : Kharadi, Pune

Experience : 8 - 10 Years

Joining : Immediate Joiners Only

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 :

• Strong experience with Java 8 - 17, Spring Boot, Spring WebFlux, Spring JDBC, Spring AOP, and CompletableFuture.
• Hands-on expertise in React.js, TypeScript, JavaScript ES6+, HTML5, CSS3, responsive design, and component architecture.
• Experience with REST APIs, microservices, state management, API integration, validation, and error handling.
• Strong SQL skills and experience with database performance tuning and troubleshooting.
• Knowledge of JVM diagnostics, performance tuning, Dynatrace, GitHub, CI/CD, Linux, and Apache Tomcat.
• Exposure to Docker, Kubernetes, and cloud platforms.
• Experience with 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.