CRO Manager (Conversion Rate Optimization)

twentysix; El Segundo (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

twentysix is seeking a CRO lead to drive hypothesis development, test strategy design, and structured CRO plans for multiple clients. You will collaborate with Experience Design to shape UX/UI variations and write precise requirements for developers, while leveraging GA4/Hotjar to uncover friction points.

You will own the CRO roadmap, communicate outcomes clearly, and present insights and rollout recommendations to clients, ensuring statistically valid live tests and measurable impact.

Qualifications

• 3-4+ years of experience in CRO, experimentation, or data‑driven digital optimization
• Experience designing tests for clients in the eCommerce space and/or CMS platforms
• Hands‑on experience with at least one major A/B testing platform (VWO, Convert.com, AB Tasty, Optimizely, Omniconvert)
• Strong proficiency with GA4 and Hotjar
• Ability to write detailed testing requirements and acceptance criteria
• Understanding of UX/UI principles and their impact on conversion
• Strong analytical thinking and ability to draw insights from quantitative and qualitative data
• Excellent client‑facing communication and presentation skills
• Ability to manage multiple roadmaps, tests, and timelines in parallel
• Evidence of measurable conversion, revenue, pipeline, lead-quality, or engagement impact from previous clients

Responsibilities

• Lead hypothesis development and designing test strategies for multiple clients
• Creating structured CRO test plans, including objectives, KPIs, and success criteria
• Managing client expectations around experimentation outcomes, including communicating inconclusive or negative results
• Collaborating with Experience Design to shape UX/UI test variations
• Writing clear and detailed test requirements for developers to implement
• Using GA4, Hotjar, and experimentation platform data to uncover friction points
• Setting up A/B and multivariate tests using platforms such as VWO, Convert.com, Optimizely, Omniconvert, or AB Tasty
• Conducting QA of experiment setups, variations, tracking, and segmentation
• Monitoring live tests and ensuring statistical validity of results
• Interpreting experiment outcomes and generating insights, next steps, and rollout recommendations
• Owning the CRO roadmap and prioritization in partnership with Experience Design and DX leadership
• Preparing documentation for post‑test rollout and collaborating with TAM/Engineering for implementation
• Presenting results, insights, and recommendations to clients

Skills

CRO/Experimentation

A/B testing

GA4

Hotjar

UX/UI understanding

Client-facing communication

Roadmap management

Data analysis

Tools

VWO

Convert.com

AB Tasty

Optimizely

Omniconvert

Figma

Job description

You Will Be

• Leading hypothesis development and designing test strategies for multiple clients

• Creating structured CRO test plans, including objectives, KPIs, and success criteria

• Managing client expectations around experimentation outcomes, including clearly communicating inconclusive or negative results and using learnings to inform future testing

• Collaborating with Experience Design to shape UX/UI test variations

• Writing clear and detailed test requirements for developers to implement

• Using GA4, Hotjar, and experimentation platform data to uncover friction points

• Setting up A/B and multivariate tests using platforms such as VWO, Convert.com, Optimizely, Omniconvert, or AB Tasty

• Conducting QA of experiment setups, variations, tracking, and segmentation

• Monitoring live tests and ensuring statistical validity of results

• Interpreting experiment outcomes and generating insights, next steps, and rollout recommendations

• Owning the CRO roadmap and prioritization in partnership with Experience Design and DX leadership

• Preparing documentation for post‑test rollout and collaborating with TAM/Engineering for implementation

• Presenting results, insights, and recommendations to clients

AI in Practice

• Using AI to support hypothesis development and identify behavioral patterns

• Leveraging AI to synthesize Hotjar findings, GA4 insights, and experiment outcomes

• Applying AI to accelerate test planning, requirement writing, and documentation

• Using AI to generate structured experiment summaries and client‑ready reports

• Employing AI to brainstorm test concepts and variation ideas

• Responsible AI use, including human validation and client-data protections

You Must Have

• 3-4+ years of experience in CRO, experimentation, or data‑driven digital optimization

• Experience designing tests for clients in the eCommerce space and/or CMS platforms

• Hands‑on experience with at least one major A/B testing platform (VWO, Convert.com, AB Tasty, Optimizely, Omniconvert)

• Strong proficiency with GA4 and Hotjar

• Ability to write detailed testing requirements and acceptance criteria

• Understanding of UX/UI principles and their impact on conversion

• Strong analytical thinking and ability to draw insights from quantitative and qualitative data

• Excellent client‑facing communication and presentation skills

• Ability to manage multiple roadmaps, tests, and timelines in parallel

• Evidence of measurable conversion, revenue, pipeline, lead-quality, or engagement impact from previous clients

Nice to Have

• Certifications in CRO methodologies or experimentation platforms

• Familiarity with experiment statistical models or experimentation frameworks

• Experience working within Figma

• Understanding of or experience running testing programs alongside cross-functional teams such as SEO, Content Marketing, Paid