We are looking for the right people who want to innovate, achieve, grow, and lead. We are one of the world’s leading providers of products and services to the global energy industry. With a presence in more than 70 countries and 130 nationalities represented in our workforce, we are one of the world’s most diverse companies. This allows us to offer multiple career paths, best-in-class training, and world-class benefits.

Landmark provides E&P professionals with software-driven lifecycle insights that generate new ideas, actions, and results to maximize asset value. We are seeking a Junior Java UI Application Developer to contribute to the design, development, and maintenance of desktop user interface components for subsurface applications. In this role, you will work closely with experienced software engineers, UX designers, and geoscientists to implement UI features, support data visualization workflows, and learn best practices for building robust Eclipse RCP/SWT applications. You will collaborate with development teams across Europe, Canada, and the United States in a supportive, international engineering environment focused on growth and learning.

• Collaborate closely with a UX design team, product owners, and software engineers to translate UX requirements into robust GUI implementations with Eclipse RCP/SWT.
• Collaborate with team on UX design requirements and improvements
• Present software designs and technical proposals to lead.
• Ability to break down development tasks and lay out clear implementation roadmaps.
• Implement and optimize computation algorithms
• Design and develop both thin and thick client applications that interact with cloud-based microservices.
• Working with complex UI Java threading and concurrency
• Working with a large code base and multiple distributed development teams
• Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools
• Provide technical support and participate in user troubleshooting sessions to resolve issues and ensure smooth operation of a complex RCP desktop application
• Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint
• Stay current with emerging technologies and trends in computing and software development.

• BS or MS degree in computer science
• Minimum of 4 years of experience in software development using Java with 2+ years of UX design and implementation
• Ability to break down complex development tasks and define clear, actionable implementation of roadmaps.
• Proficiency with development tools and environments:
  • Preferred strong Java experience
  • GitLab/Github, Eclipse RCP/SWT, VS Code, CI/CD pipelines
  • Performance tools: VisualVM, JMC/JFR, Async
  • Operating systems: Windows and Linux
• Must be self-motivated and able to work well in a distributed team environment
• Experience developing commercial thick client desktop applications

• Hands-on experience using Agentic AI to accelerate code implementation and enhance development productivity.
• C++ knowledge and experience a benefit
• Familiarity with cloud platforms and distributed computing:
  • Restful API design and implementation
  • AWS and Azure
  • Tools for scalable data processing: Kubernetes, Spark
• Experience with Java 2D graphics or 3D OpenGL + CUDA programming.
• Experience working with Cascading Style Sheets (CSS)

Candidates having qualifications that exceed the minimum job requirements will receive consideration for higher level roles given (1) their experience, (2) additional job requirements, and/or (3) business needs. Depending on education, experience, and skill level, a variety of job opportunities might be available, including Technical Advisor - Software Developer.