Sr. Martech Engineer, Mobile
Acorns · Remote
About this role
## Sr. Martech Engineer, Mobile — Acorns ### About Acorns At Acorns, our mission is to look after the financial best interests of the up-and-coming—starting with micro-investing and delivering financial wellness for the whole family. ### Role Summary Acorns is seeking a **Senior Martech Engineer (Mobile)** to own the **technical reliability of marketing instrumentation and integrations**, with a strong focus on **iOS and Android**. You’ll implement and debug mobile SDKs, build marketing integrations, and validate that critical events reach their intended destinations with the correct data—working across **Mobile Engineering, Data Engineering, and Marketing**. ### What You’ll Do **Mobile SDKs & Instrumentation** - Implement, maintain, and debug attribution, analytics, and engagement SDK integrations in iOS and Android - Contribute mobile code for event tracking, identity handling, consent, and deep linking - Define and validate SDK initialization, event sequencing, and login/logout behavior - Investigate missing/duplicate events, incorrect parameters, SDK conflicts, and platform/version differences - Partner on code reviews, SDK upgrades, release testing, and production fixes **Attribution & Marketing Integrations** - Configure and maintain mobile and web attribution (windows, reattribution, deduplication, fraud filtering, SKAdNetwork/AdAttributionKit) - Implement and test deep links and deferred deep links for acquisition and lifecycle campaigns - Build and maintain advertising integrations (conversion APIs, enhanced conversions, affiliate postbacks, conversion crediting) - Partner with Data Engineering to deliver conversion events, audiences, and suppressions via reverse ETL - Investigate and resolve discrepancies between internal conversion data, attribution providers, and ad platforms **Event Definitions & Identity** - Maintain documented marketing event definitions (parameters, identifiers, owners, destinations) - Ensure anonymous and authenticated activity connects correctly across app SDKs and downstream platforms - Work with customer IDs, device/advertising IDs, click IDs, and hashed PII - Ensure tracking and data delivery respect customer consent - Keep event/identity definitions consistent across mobile, web, and backend systems **Platform Configuration & Integration Support** - Own and maintain integrations across apps, marketing tools, data platform, and ad platforms (documented data flows and ownership) - Support lifecycle marketing with event triggers, personalization, audience delivery, push notifications, and deep links - Partner with platform owners and vendors on technical configuration, administration, and troubleshooting **Validation & Monitoring** - Validate event payloads and downstream delivery for critical marketing flows before releases - Automate testing and monitor critical marketing flows for event/delivery issues - Trace events from app → attribution → ad platforms to diagnose and resolve failures - Scope and deliver instrumentation/integration changes with Marketing, Mobile, and Data Engineering ### What You’ll Bring - **5+ years** software engineering experience, including hands-on mobile development and experience in Martech/adtech/growth engineering/mobile measurement - Strong production experience in **Swift/iOS** and **Kotlin/Android** (Flutter experience is a plus) - Hands-on experience implementing and maintaining mobile attribution/analytics/engagement SDKs - Experience with app lifecycle beh
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