About the company
KAST is defining stablecoin banking - think Revolut, but on Web3. Backed by tier 1 VCs and significant funding, we’re one of the fastest-growing startups in the space. Our mobile app (kast.xyz) brings stablecoin banking into everyday life.
Job Summary
What You’ll Be Doing
📍Conversion Copy: Ship A/B-tested copy for landing pages, ad creatives, app store, and paywalls that move CTR, CVR, and CPA in the right direction. 📍Lifecycle + CRM: Partner with Growth to write Braze campaigns (onboarding, KYC, deposit, first spend, referral). 📍Product/UI Microcopy: Craft tooltips, error states, and empty states that reduce confusion and drop-off. 📍Messaging Frameworks: Build positioning, value props, and tone guidelines for country launches (e.g., PIX Brazil). 📍Compliance Friendly: Write clearly within fintech/legal guardrails without sounding like a robot.
What You'll Bring
📍3–6 years in copy for fintech/consumer tech or performance-driven brands. 📍Proven portfolio with measurable lift (CTR/CVR/LTV). 📍Fluency in A/B testing and using data (GA4, Mixpanel, AppsFlyer) to iterate. 📍Excellent short-form chops; long-form range a plus.
The future of finance is here — whether you’re interested in blockchain, cryptocurrency, or remote web3 jobs, there’s a perfect role waiting for you.



