Lifecycle Growth Lead

About Us

Sei is the first parallelized layer 1 blockchain. By re-writing the most widely adopted execution environment in Web3, Sei is setting a new standard in blockchain performance and scalability. Apps on Sei benefit from both the performance of web2 and the decentralization and sovereignty of web3. For more detailed information visit Sei’s official website.

About the Role

We’re seeking someone to own the relationship between our product and its users from the moment they hit a waitlist through their hundredth session. That means nurturing and retaining waitlists so we convert signups into activated users on day one. Then the focus turns to retention, re-engagement, and behavior nudges that increase session frequency, feature adoption, and lifetime value.

What You’ll do

• Own the waitlist nurturing strategy — email sequences, engagement loops, referral mechanics

• Build segmentation models based on signup source, behavior signals, and engagement depth

• Design and execute the launch-day activation sequence to maximize waitlist-to-active conversion

• Instrument and track waitlist health metrics (open rates, click-throughs, referral rates, churn-from-list)

• Own retention and re-engagement across email, push, in-app messaging, and SMS

• Design lifecycle campaigns tied to key user milestones (first transaction, first week, reactivation windows)

• Build and optimize behavioral nudge systems — the right message at the right moment to drive the next action

• Partner with product to identify drop-off points and design interventions

• Run continuous A/B tests on messaging, timing, channels, and sequencing

• Report on cohort retention, LTV trends, and campaign-level performance

What You Bring

• Experience in lifecycle marketing, CRM, or growth marketing at a consumer app (fintech, gaming, or marketplace preferred)

• Hands-on experience with marketing automation platforms (Braze, Iterable, Customer.io, or similar)

• Strong analytical chops — you think in cohorts, funnels, and retention curves, not just open rates

• Experience designing multi-channel lifecycle programs from scratch, not just inheriting them

• Comfort with SQL or BI tools for self-serve analysis

• Understanding of behavioral psychology as applied to product engagement

Bonus Points

• Experience in crypto/web3 or with waitlist-to-launch conversion