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About the Role

We are seeking a highly creative and data-driven Senior Experimentation Designer to lead the design of digital experiments that improve customer engagement, conversion, loyalty enrollment, premium product adoption, and revenue growth across a large-scale eCommerce experience. This role is ideal for a designer who thrives at the intersection of UX, visual design, behavioral psychology, and experimentation. You will own the end-to-end design process for A/B and multivariate tests, translating business hypotheses into compelling customer experiences that can be rapidly tested, measured, and optimized. The ideal candidate combines exceptional design craft with a strong experimentation mindset and embraces AI-powered design tools to accelerate ideation, prototyping, and execution.

Responsibilities

• Design and deliver UX and visual design solutions for experimentation initiatives across key digital customer journeys.
• Create wireframes, high-fidelity mockups, interactive prototypes, and developer-ready specifications in Figma.
• Develop multiple design approaches for testing hypotheses and provide rationale for how each variation may influence customer behavior and conversion.
• Design and optimize customer-facing experiences including promotional content, upsell messaging, loyalty program acquisition, co-branded credit card acquisition, checkout experiences, and other conversion-focused surfaces.
• Iterate rapidly based on testing results, stakeholder feedback, and business priorities, often delivering weekly design updates and new experimental concepts.
• Partner closely with analysts, developers, product stakeholders, and marketing teams to identify optimization opportunities and execute test roadmaps.
• Support implementation and QA processes to ensure designs are accurately translated into production environments.
• Contribute to the evolution of reusable design patterns, components, and design system assets based on experiment learnings.
• Apply principles of conversion optimization, behavioral psychology, and persuasive design to improve customer engagement and business performance.
• Proactively identify opportunities for experimentation and user experience improvements through experience audits and data-driven insights.
• Leverage AI-powered design and productivity tools to accelerate design workflows, improve output quality, and increase testing velocity.

Requirements

• 5+ years of experience in UX/UI, Product Design, Digital Design, or related disciplines.
• Expert-level proficiency with Figma, including component architecture, auto-layout, variables, prototyping, and design systems.
• Strong portfolio demonstrating both UX strategy and polished visual design execution.
• Experience designing customer-facing eCommerce, marketing, or conversion-focused digital experiences.
• Ability to independently move from concept through production-ready design deliverables.
• Strong understanding of visual hierarchy, typography, color, layout, accessibility, responsive design, and interaction design.
• Experience collaborating cross-functionally with product, analytics, engineering, and marketing teams.
• Excellent communication, presentation, organization, and stakeholder management skills.
• Demonstrated ability to work in a fast-paced environment with frequent design iterations and testing cycles.
• Experience using AI-powered design tools such as Figma Make, Claude Design, ChatGPT, or similar platforms to accelerate design workflows.

Skills

• UX/UI
• Product Design
• Digital Design
• Figma
• UX strategy
• Visual design
• eCommerce design
• Marketing design
• Conversion optimization
• Behavioral psychology
• Persuasive design
• AI-powered design tools
• A/B testing
• Experimentation
• Conversion Rate Optimization (CRO)
• Dynamic Yield
• Optimizely
• VWO
• Web analytics
• Behavioral insight tools
• Usability research
• Motion design
• Micro-interactions
• Transitions

Location

• New York, NY

Work Type

• Contract
• Fully remote

Experience Level

• Senior
• 5+ years

Salary/Compensations

• $30.00 - $60.00/hr

Benefits

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

About the Company

• We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
• We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

Equal Opportunity

• The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
• Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.
• It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
• We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.