Sr. Martech Engineer, Mobile

At Acorns, our mission is to look after the financial best interests of the up-and-coming, beginning with the empowering, proud step of micro-investing. How do we accomplish our mission? Our values.

Lead With Heart - With compassion, integrity, and tenacity, inspire yourself and others to move past all previous thresholds of possibility

Make Bold Decisions - We are creating a new world. Be optimistic, adventurous, and courageous. Leap fearlessly into the future

Always Build Trust - Say what you mean, mean what you say, and do what you say you’re going to do. We are all owners. We are one team

Never Stop Growing - Change IS the constant. Stay hungry and curious. Be relentless in the pursuit of progress

Find a way - Never settle, no excuses, nothing is impossible. Just make it happen

Be the owner - Drive with intensity and take total responsibility for the outcome. It's on you.

Our values guide us, and our mission drives us. Come join us and help deliver financial wellness for the whole family, putting the tools of wealth‑making into everyone’s hands.

Senior Martech Engineer, Mobile | Acorns

Acorns is seeking a Senior Martech Engineer, Mobile to own the technical reliability of marketing instrumentation and integrations, with a strong focus on our iOS and Android apps. You will implement and debug mobile SDKs, build marketing integrations, and validate that critical events reach their intended destinations with the correct data while working across Mobile Engineering, Data Engineering, and Marketing to deliver changes end to end.

Acorns is a remote‑first organization, offering the flexibility to work remotely while providing optional access to office space in Irvine, CA.

Mobile SDKs and Instrumentation

• Implement, maintain, and debug attribution, analytics, and engagement SDK integrations in our iOS and Android apps

• 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 or duplicate events, incorrect parameters, SDK conflicts, and differences across platforms or app versions

• Partner with Core Client engineers on code reviews, SDK upgrades, release testing, and production fixes

Attribution and Marketing Integrations

• Configure and maintain mobile and web attribution, including attribution windows, reattribution, deduplication, fraud filtering, and SKAdNetwork/Ad Attribution Kit

• Implement and test deep links and deferred deep links for acquisition and lifecycle campaigns

• Build and maintain advertising integrations, including conversion APIs, enhanced conversions, affiliate postbacks, and conversion crediting

• Partner with Data Engineering to deliver conversion events, audiences, and suppress ions through reverse ETL

• Investigate differences between internal conversion data, our attribution provider, and ad platforms, and resolve the underlying issues

Event Definitions and Identity

• Maintain documented definitions for marketing events, including required parameters, identifiers, owners, and destinations

• Ensure anonymous and authenticated activity connects correctly across app SDKs and downstream platforms

• Work with first‑party customer IDs, device and advertising IDs, click IDs, and hashed PII

• Ensure tracking and data delivery respect customer consent

• Maintain consistent event and identity definitions for marketing use cases across mobile, web, and backend systems

Platform Configuration and Integration Support

• Own and maintain integrations across our apps, marketing tools, data platform, and ad platforms, with documented data flows and ownership.

• Support Lifecycle Marketing with event triggers, personalization, audience delivery, push notifications, and deep…