Java Fullstack Developer

Creospan Private Limited; Bengaluru; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Creospan Private Limited seeks an experienced Java Fullstack professional to lead end-to-end modernization of Fundmaster user experiences and supporting Java services. This hands-on role covers architecture and delivery across React, Java, Spring Boot, APIs, SQL, performance engineering, observability, CI/CD and production stability.

You will lead design and delivery of responsive React applications and scalable Java backend services, establish standards for testing, security, and operational

Qualifications

• Strong SQL capability with complex joins, window functions, and tuning.
• Experience in financial services or asset servicing is a plus.
• Experience modernizing legacy enterprise applications.
• Familiarity with cloud platforms (Azure/AWS) and container tech.

Responsibilities

• Lead end-to-end modernization of Fundmaster user experiences and Java services.
• Define reusable frontend architecture and API integration standards.
• Establish observability, testing, security, and production-readiness standards.
• Mentor full-stack engineers and communicate risks to stakeholders.
• Drive performance, scalability, and reliability across systems.

Skills

Java 8-17

Spring Boot

WebFlux

REST APIs

Microservices

SQL

JVM diagnostics

Dynatrace

GitHub

CI/CD

Linux

Tomcat

Docker

Kubernetes

Cloud platforms

Automated testing

Tools

DB2

AS400/IBM i

Job description

Creospan is seeking an experienced Java Fullstack , below are the details Lead end-to-end modernization of Fundmaster user experiences and supporting Java services. This hands-on role owns architecture and delivery across React, Java, Spring Boot, APIs, SQL, performance engineering, observability, CI/CD, releases, and production stability.

Key Responsibilities

• Lead design and delivery of responsive React applications and scalable Java backend services.
• Define reusable frontend architecture, component patterns, state-management practices, API integration standards, accessibility, and coding conventions.
• Establish service design, testing, security, logging, error handling, and operational-readiness standards.
• Lead architecture, design, code, test-strategy, and production-readiness reviews.
• Drive performance, scalability, reliability, resilience, security, accessibility, and observability.
• Investigate frontend latency, API bottlenecks, JVM issues, database connection problems, slow SQL, and scalability limitations.
• Establish Dynatrace dashboards, tracing, logging, alerting, and support practices.
• Lead critical incident resolution, mentor full-stack engineers, and communicate risks and decisions to business and management stakeholders.

Required Technical Skills

• Java 8-17, Spring Boot, WebFlux, Spring JDBC, Spring AOP, and CompletableFuture.
• REST APIs, microservices, state management, API integration, validation, and error handling.
• JVM diagnostics, performance tuning, Dynatrace, GitHub, CI/CD, Linux, and Tomcat.
• Docker, Kubernetes, and cloud-platform concepts.
• Automated frontend, backend, integration, and end-to-end testing.

Strong SQL and Data Capabilities

Strong SQL capability is mandatory, including complex joins, CTEs, window functions, stored procedures, transactions, indexes, execution-plan analysis, query optimization, data reconciliation, and database troubleshooting. The candidate must guide data-access design across frontend workflows, APIs, services, and relational databases.

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.
• Azure or AWS experience; Docker and Kubernetes exposure.