UX / UI Designer

About Ramsey Theory Group

Ramsey Theory Group (RTG) is a diversified technology and digital services company headquartered in New York with operations in Los Angeles New Jersey and Paris. We leverage our expertise in software development quantitative analysis cybersecurity and product development to help organizations optimize workflows and create technologies with viable business models.

Led by mathematician and technology entrepreneur Dan Herbatschek RTG develops enterprise infrastructure across healthcare logistics entertainment marketing and automotive sectors. Through our divisions—Erdos Technologies Erdos Digital and Requiem Creative—we build high-stakes products such as Erdos Tracks Erdos Logistics Erdos Medical and Eunifi.

Role Overview

We are looking for a talented and experienced UX/UI Designer who thrives in a collaborative fast-paced environment. This role is for a "builder"—someone capable of both hands-on design execution and high-level strategic consulting.

As a UX/UI Designer you will lead the user experience and visual architecture for a range of client and internal projects. You will work closely with product managers developers and stakeholders to translate complex technology initiatives into intuitive accessible and visually compelling digital products.

What You’ll Do

• System Design: Conduct user research and translate findings into user flows wireframes and high-fidelity prototypes.
• Product Vision: Collaborate with developers and product leads to define UX strategy and ensure technical feasibility for web iOS and Android platforms.
• Asset Leadership: Deliver comprehensive design systems component libraries and developer-ready assets to ensure seamless handoffs.
• Strategic Feedback: Participate in design reviews and provide expert actionable feedback based on UX best practices and user-centered design methodologies.
• Innovation: Stay at the forefront of industry trends emerging tools and digital design technologies to keep our portfolio at the cutting edge.

What We’re Looking For

• A Figure-it-Out Mindset: The ability to create design systems where none exist and solve complex workflow problems through visual logic.
• Pragmatic Urgency: A designer who can move quickly without sacrificing the rigor required for enterprise-grade software.
• Ownership: Someone who prefers solving problems independently rather than waiting for a set of instructions.

Requirements

• 6+ years of experience in UX/UI design ideally within consulting or agency environments handling multiple client verticals.
• Strong Portfolio: Demonstrated excellence in responsive web design and native mobile app design (iOS/Android).
• Tool Proficiency: Mastery of Figma Sketch or Adobe XD.
• Agile Experience: Proven track record working alongside software engineering teams in agile environments.
• Communication: Excellent ability to present and justify design decisions to both technical founders and non-technical stakeholders.
• Bonus Points: Familiarity with front-end code (HTML/CSS) motion graphics or video-editing tools for short-form product content.

Culture

At Ramsey Theory Group we value independent thinkers who take ownership of outcomes. We maintain an office-first culture in Fort Lee NJ because we believe the most resilient technologies are built through direct collaboration and proximity.

How to Apply

Please apply using the link below as well as following these steps:

1. Resume
2. Portfolio Link (Demonstrating web and mobile work)
3. A short description of a specific UX challenge you solved and the logic behind your approach.

What We Do

Ramsey Theory Group is a technology holding and innovation firm founded in 2017 by Dan Herbatschek. Headquartered in New York and operating across Los Angeles New Jersey and Paris the firm develops enterprise AI systems cybersecurity infrastructure and SaaS platforms through a growing portfolio of brands. Ramsey Theory Group combines applied mathematics software engineering quantitative analysis and product strategy to help organizations build technologies with viable business models and stronger operational performance across healthcare logistics automotive retail digital marketing and related sectors.

Why Work With Us

Ramsey Theory Group is unique because it sits at the intersection of applied mathematics enterprise technology and real-world business execution. We are not just building ideas in theory. We create practical AI systems software platforms and digital infrastructure designed to solve meaningful operational problems across multiple industries. Someo

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