Senior Java Fullstack/React

EPAM Systems Inc; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

EPAM Systems Inc. seeks a Senior Java Fullstack/React Developer to design, build, and support enterprise portal solutions using Liferay DXP, Java/Jakarta EE, React, and related technologies.

You will deliver secure, scalable digital experiences via portal development, system integrations, and full-stack engineering practices for customers, partners, and internal teams. The role emphasizes hands-on development, testing, and collaboration within Agile teams to meet project timelines and quality

Qualifications

• 3+ years of software development experience including enterprise portal development.
• Experience developing and supporting enterprise solutions using Liferay DXP and designing Java/Jakarta EE apps.
• Experience building React-based portal solutions for customers, partners, or extranets.
• Experience in Agile SDLC and mentoring within development teams.
• Strong knowledge of Java, Jakarta EE, Spring, Hibernate, REST services, and JUnit.

Responsibilities

• Perform hands-on design and development for enterprise portal projects.
• Support web portal initiatives focusing on usability, accessibility, and performance.
• Deliver technical solutions meeting business requirements and schedules.
• Develop unit and integration tests to ensure quality and reliability.
• Provide technical input for effort estimates and design discussions.
• Align solutions with security, scalability, and maintainability standards.
• Troubleshoot issues across the application stack and provide guidance to teammates.
• Contribute to documentation and deployment activities.

Skills

Java

React

Jakarta EE

REST APIs

JUnit

Spring Boot

Hibernate

TypeScript

CI/CD

Azure DevOps

Tools

Liferay DXP

OSGi

Git

Tailwind CSS

Job description

We are seeking a Senior Java Fullstack/React Developer to design, develop, and support enterprise portal solutions using Liferay DXP, Java/Jakarta EE, React, and related technologies. This role delivers secure, scalable, and high-performing digital experiences through portal development, system integrations, and full-stack engineering practices that support customer, partner, and internal business capabilities.

Responsibilities

• Perform hands-on design and development for enterprise portal projects
• Support web portal initiatives with a focus on usability, functionality, accessibility, and performance
• Deliver technical solutions that meet business requirements and project schedules
• Develop and execute unit and integration testing to validate solution quality and reliability
• Provide technical input for effort estimates, solution design activities, and project planning discussions
• Align solutions with established standards and best practices for security, scalability, maintainability, reusability, and performance
• Apply industry best practices, architectural standards, and departmental policies and procedures to development activities
• Troubleshoot, analyze, and resolve technical issues across the application stack
• Contribute to the delivery of customer-facing and extranet portal solutions from design through production deployment
• Participate in peer code reviews and provide technical guidance to team members
• Develop and maintain technical documentation, implementation guides, and support materials
• Support portal deployments, upgrades, and production release activities

Requirements

• 3+ years of software development experience including enterprise portal development
• Experience developing and supporting enterprise solutions using Liferay DXP, and designing enterprise Java/Jakarta EE applications
• Experience developing applications using React, and delivering customer-facing, partner-facing, or extranet portal solutions
• Experience working within Agile software development teams and SDLC best practices
• Experience providing technical guidance and mentoring within development teams
• Expertise in Liferay DXP 7.4 architecture, administration, OSGi development, Service Builder, and Headless REST APIs
• Strong knowledge of sites, users, organizations, permissions, workflows, and content management capabilities
• Understanding of Elasticsearch-based search implementations and portal search optimization
• Expertise in Java, Jakarta EE, Spring Framework, Spring Boot, and Hibernate
• Understanding of RESTful services, enterprise integration patterns, and service-oriented architectures, along with proficiency in JUnit
• Expertise in React, JavaScript, TypeScript, HTML5, and Tailwind CSS
• Proficiency with Azure DevOps, CI/CD pipelines, source control management, and deployment automation practices
• Familiarity with Microsoft Azure cloud services and enterprise application deployment strategies
• Knowledge of AI-assisted development tools including GitHub Copilot, Cursor, and related engineering productivity platforms
• Strong analytical, troubleshooting, and problem-solving skills
• Excellent communication, presentation, and organizational skills
• English proficiency at B2 level or higher
• Nice to have Familiarity with Docker containerization technologies
• Knowledge of Azure platform services and enterprise cloud architectures
• Familiarity with AI-enabled solutions, intelligent search, retrieval-augmented generation (RAG), and document-based AI capabilities
• Knowledge of enterprise content management platforms and complex system integration patterns