Senior Java Engineer in Dublin

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job DescriptionJob Description

Manifest Solutions is currently seeking a Senior Java Engineer for a hybrid position in Dublin, OH.

• Design front-end architecture and development using React, React , and TypeScript.
• Collaborate with backend teams (Java, Spring Boot) to design clean APIs and efficient data flows.
• Bridge UI/UX design and backend engineering, ensuring consistency, performance, and maintainability.
• Mentor both front-end and full-stack engineers, promoting modern development practices and code quality.
• Advocate for front-end excellence — performance optimization, accessibility, responsive design, and design system consistency.
• Contribute to full-stack architecture discussions, ensuring end-to-end technical alignment.
• Support DevOps and CI/CD best practices for seamless deployments.
• Stay current with emerging web and mobile technologies and identify opportunities for adoption.

Qualifications

• Bachelor's or Master's degree in Information Technology, Computer Science, MIS, CIS, or a related field.
• 7+ years of professional experience in front-end engineering (React, React , TypeScript, JavaScript), along with backend development using Java (Spring Boot or similar frameworks).
• Strong understanding of full-stack development and backend systems (Java, REST APIs, databases).
• Proven expertise in building scalable, responsive, and high-performance UI components using ReactJS (React experience highly ).
• Familiarity with backend technologies (Java, Spring Boot, PostgreSQL, AWS) and architectural best practices.
• Deep expertise in UI architecture, responsive design, accessibility, and performance optimization.
• Experience working with design systems and component libraries such as Material UI or Ant Design.
• Hands-on experience with mobile development using React for iOS and Android (PWAs also a plus).
• Deep understanding of cloud architecture best practices, especially within AWS.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.