Display Developer

Display Developer

About Us

OneH2 is a US company with an ambitious agenda to reinvent the energy industry through hydrogen technology. OneH2 designs and manufactures innovative products from hydrogen production plants and distribution equipment through to vehicle powertrains and fuel systems. OneH2 is also the leading provider of hydrogen as a fuel to the transportation and materials handling industries. We are a unique hydrogen business in that we address the entire value chain of hydrogen fuel from molecule to vehicle.

Our mission is to be a global hydrogen company and usher in a new era of fuel energy. We heavily invest in our technology and our people as we embark on a challenging yet exciting journey re-shaping the future of energy. If you share a passion in energy and technology and want to make a real difference in a rapidly growing scale-up company, please read on.

Job Summary:

We are seeking a highly skilled Display Developer to design, develop, and maintain advanced user interfaces and embedded display systems for our next-generation hydrogen products. This role blends hands-on software development with user-experience design to deliver intuitive, visually compelling, and high-performance displays used in industrial and commercial environments.

Responsibilities

• Architect, design, and implement interactive display software using C# as the primary language.
• Collaborate with product managers, UX/UI designers, and hardware engineers to translate requirements into polished, user-friendly interfaces.
• Develop and optimize embedded display applications, including communication over RS485 or similar serial protocols.
• Integrate back-end logic with front-end graphical frameworks to ensure seamless functionality and responsive design.
• Perform unit testing, debugging, and performance profiling to meet real-time and safety-critical requirements.
• Prepare technical documentation, including design specifications and user guides.
• Provide on-site support for deployments, troubleshooting, and upgrades.
• Must be able to travel as needed to customer sites and manufacturing facilities for installation, testing, and maintenance.
• Travel & Overtime:
  Some travel and periodic overtime required.

Required Qualifications:

• Bachelor's degree in Computer Science or related technical field.
• Strong C# development experience with a track record of building production-quality applications.
• Proven UI/UX design and implementation skills, with a focus on usability and visual design principles.
• Solid understanding of object-oriented programming, design patterns, and software development life cycle (SDLC).
• Excellent problem-solving and debugging abilities.
• Ability to work on-site in Long Beach, CA and accommodate overtime or travel as needed.

Preferred Qualifications:

• C/C++ experience, especially in embedded or hardware-integrated environments.
• Familiarity with RS485 or other serial communication protocols.
• Experience with WPF, Win Forms, or other C# UI frameworks for desktop and embedded devices.
• Knowledge of hardware display drivers, microcontrollers, or industrial control systems.
• Exposure to Agile development practices, CI/CD pipelines, and version control (Git).
• Understanding of networking protocols and real-time data visualization.

Soft Skills:

• Strong collaboration and communication skills to work cross-functional with engineering, design, and operations teams.
• Attention to detail and a passion for creating exceptional user experiences.
• Ability to prioritize tasks and thrive in a fast-paced, dynamic environment.

What We Offer

• An opportunity to work with a growing company.
• Joining a dynamic company at a time of major growth and expansion.
• Professional development and career growth.
• Working in an inclusive environment that promotes diversity.
• Competitive salary.
• Upon completion of your 90-day probationary period we also offer a comprehensive benefits package at no cost to you, including medical, dental, and vision insurance.
• We also cover 25% of your dependents.

Other

All employees are required to undergo a drug screening and background check prior to employment. Must be willing to commute to and from Long Beach, CA. Salary: $110,000 - $125,000 (DOE). Salary is commensurate with experience and skills. Candidates must reside in or be willing to relocate to Long Beach, CA.

OneH2, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, veteran status, or any other status protected by law. Reasonable accommodations are available for applicants with disabilities; email  to request an accommodation.