Cro Metrics is a marketing services company that uses data-driven and strategic experimentation to drive revenue growth for its clients. As an employer, the company is known for it
Senior Experiment Engineer
Location
United States
Posted
35 days ago
Salary
$80K - $110K / year
Seniority
Senior
Job Description
Senior Experiment Engineer
Cro Metrics
Role Description Experimentation engineering is where good ideas stop being opinions and start being answers. As a Senior Experiment Engineer, you're the person who makes that happen, shipping the tests that decide how some of the most recognizable brands on the internet grow, convert, and keep their customers coming back. - Build experiments across the full complexity spectrum, including on frameworks and platforms you've never touched before. - Help clients turn fuzzy business questions into sharp, testable hypotheses. - Raise the bar for the engineers around you through code review, mentorship, and strong opinions. - Enjoy the translation between "messy business problem" and "clean technical solution." Qualifications - Senior-level proficiency with HTML, SCSS, and JavaScript, including hands-on experience building experiments inside Single Page Applications (React, Vue, Angular, or similar). - Production experience shipping experiments on one or more leading web experimentation platforms (e.g., Optimizely, VWO, Convert, AB Tasty, LaunchDarkly, Kameleoon, or equivalent). - Fluent command of the command line, Git, and version control workflows in a collaborative team environment. - A proven ability to accurately estimate complexity, assess feasibility, and communicate trade-offs. - A track record of reviewing other engineers’ work and raising quality without slowing teams down. - Comfort working directly with clients or external stakeholders. - Experience mentoring engineers more junior than you, formally or informally. - A learning-agile mindset: you can pick up a new framework, platform, or codebase and be productive on it quickly. - Interest in progressing your career into role leadership, people management, and/or deeper service specialization. - Background at a consultancy, agency, or in-house CRO / experimentation program at an enterprise brand. Requirements - Experience running pre-sales / feasibility work and producing client-facing technical deliverables. - Familiarity with analytics and data layer tooling (e.g., Segment, GTM, GA4) as it intersects with experiment instrumentation. - A portfolio of reusable patterns, libraries, or internal docs you’ve authored and driven adoption of. Benefits - Remote-first: Fully remote for employees based in eligible U.S. states. - Generous time off: 4 weeks of PTO to start, increasing to 5 weeks after 3 years, plus 9 paid holidays and up to 5 days of paid bereavement. - Health & wellness: Group healthcare coverage, disability and basic life insurance, pre-tax savings accounts, and wellness programs. - 401(k): Automatic enrollment after 3 months with 100% match up to 4% of salary. - Leave: Parental and medical leave plans tailored to your situation. - Connection: Annual company-funded All Hands Trip, active Slack culture (#appreciations, #cro-pet-trics, and more), and a real commitment to feedback and transparency. - Growth: Individualized Career Plan so your path here is explicit—not implied—plus access to our education reimbursement program after one year of employment. - Compensation: $80,000 - $110,000.00
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