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MarTech Engineer at Supercell · Katori

Asks for

The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”
The ad says“Know CRM and engagement platforms. Braze experience is ideal, but experience with similar platforms is equally valuable.”
The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”
The ad says“Know CRM and engagement platforms. Braze experience is ideal, but experience with similar platforms is equally valuable.”
The ad says“Have strong data engineering skills. You have experience with PySpark, Delta Lake, Databricks (or a similar platform), and building reliable batch and streaming pipelines.”
The ad says“Have strong data engineering skills. You have experience with PySpark, Delta Lake, Databricks (or a similar platform), and building reliable batch and streaming pipelines.”
The ad says“Have strong data engineering skills. You have experience with PySpark, Delta Lake, Databricks (or a similar platform), and building reliable batch and streaming pipelines.”
The ad says“Have built event-driven systems. You understand streaming technologies such as Kinesis, Kafka, or Pub/Sub, including ordering, retries, backpressure, and failure handling.”
The ad says“Build with privacy in mind. You understand consent management, GDPR, data retention, and handle data responsibly.”
The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”
The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”
The ad says“Have built event-driven systems. You understand streaming technologies such as Kinesis, Kafka, or Pub/Sub, including ordering, retries, backpressure, and failure handling.”
The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”
The ad says“Have built event-driven systems. You understand streaming technologies such as Kinesis, Kafka, or Pub/Sub, including ordering, retries, backpressure, and failure handling.”
The ad says“Have strong data engineering skills. You have experience with PySpark, Delta Lake, Databricks (or a similar platform), and building reliable batch and streaming pipelines.”
The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”
The ad says“Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.”

We're looking for a MarTech Engineer to own and evolve our CRM data platform. Today it powers scheduled data syncs; tomorrow it will power real-time, multi-channel marketing and audience activation across email, mobile push notifications, and future channels like WhatsApp.

This is a platform engineering role with product ownership. You'll build the systems behind CRM while owning the platform end to end-from architecture and reliability to governance and self-service. You'll also partner with the engineers responsible for our mobile attribution platform to support our marketing measurement stack.

The Marketing Data team builds the automation and infrastructure behind Supercell's player lifecycle marketing and marketing measurement. We move player data and events between our data warehouse, CRM platform, and attribution stack-reliably, securely, and at scale.

What You'll Be Doing

Own the CRM data platform. Build and operate reliable, scalable, and compliant data pipelines between our warehouse and CRM platforms, and build strong engineering partnerships with internal teams and vendors.
Build real-time capabilities. Deliver player events into and from the CRM platform in near real time to power triggered lifecycle messaging and richer player experiences.
Expand our messaging channels. Build the data, identity, and subscription foundations that enable channels such as email, mobile push notifications, and future messaging platforms to launch on the same reliable infrastructure.
Support marketing measurement. Partner on our mobile attribution stack, helping ensure accurate attribution and conversion data flows between marketing platforms and our warehouse - so marketing performance can be measured end to end.
Build privacy by design. Ensure consent, identity management and GDPR requirements are built into the platform from day one, alongside platform- and region- specific mobile privacy frameworks and requirements.
Enable self-service. Build tools and workflows that allow new CRM data sources and events to be onboarded quickly, safely, and with minimal engineering effort.
Build reliable production systems. Apply good engineering practices, including testing, CI/CD, observability, alerting, and resilient system design.

What it might look like in your first 6–12 months

Move CRM from batch to real time. Build a Kinesis-to-Braze event service for a high-value player trigger, validate its latency and reliability, then scale it into a reusable platform capability.
Launch mobile push notifications as a first-class channel. Build the data, identity, and subscription foundations, launch the channel for one game, then create a repeatable onboarding model for future games.
Connect CRM to our internal CDP. Integrate with our internal audience platform so internally built audiences are available as a CRM platform activation layer.
Evolve the CRM workspace architecture. As the CRM program grows, lead the evolution from a shared workspace to a workspace-per-game model while keeping identity, reporting, and data pipelines consistent.
Reduce onboarding from days to minutes. Build a documented, validated self-service onboarding workflow so new CRM data syncs can be added quickly and safely with minimal engineering effort.
Turn CRM audiences into paid retargeting. Use the CRM platform's and custom in-house ad-platform connectors to activate player audiences for retargeting, closing the loop between owned and paid channels.
Strengthen privacy and compliance. Validate consent and age restrictions, and account deletion across both batch and real-time pipelines, backed by automated testing and monitoring.

To excel here, you

Own systems, not just code. This is a platform engineering role with product ownership. You can take a problem from an idea to a reliable, production service.
Are a strong engineer. You're comfortable building production services and integrating with APIs at scale.
Have strong data engineering skills. You have experience with PySpark, Delta Lake, Databricks (or a similar platform), and building reliable batch and streaming pipelines.
Are comfortable with AWS and modern platform engineering. You have experience with services such as Kinesis, S3, and IAM, infrastructure as code (e.g. Terraform), and modern CI/CD practices.
Have built event-driven systems. You understand streaming technologies such as Kinesis, Kafka, or Pub/Sub, including ordering, retries, backpressure, and failure handling.
Know CRM and engagement platforms. Braze experience is ideal, but experience with similar platforms is equally valuable.
Understand messaging platforms. You're familiar with email and mobile push notifications, along with the identity and subscription models behind them.
Build with privacy in mind. You understand consent management, GDPR, data retention, and handle data responsibly.
Communicate well across disciplines. You enjoy working with engineers, marketers, and analysts, and know when to build self-service solutions versus owning operational complexity.
Thrive in ambiguity. You're comfortable owning problems, learning quickly, and focusing on impact for players.

Would Be Nice if You Also Have

Experience evolving a CRM or lifecycle platform from batch to real time.
Hands-on experience with Braze (Currents, CDI, REST APIs, subscription groups, Liquid personalization).
Experience with email deliverability, including SPF, DKIM, DMARC, sending domains, and domain/IP warm-up.
Experience operating mobile push notification platforms (APNs/FCM).
Experience with digital advertising networks ETL and rETL connectors
Experience in mobile gaming or other high-scale b2c products.
Experience using AI or LLM tools in your engineering workflow.

About the team

You'll join the Marketing Data team within Marketing Data & Analytics. We build the infrastructure behind marketing automation, attribution, that provides measurement across Supercell.

Your work will support all of our games-including Brawl Stars, Clash of Clans, Clash Royale, Hay Day and other titles - and the performance marketing teams behind them.

The role can be based in Helsinki or London, with regular time spent at our Helsinki headquarters.

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That's it about the role! Below, we've gathered some things we feel are important for you to know. Totally optional, but a highly recommended read.

Once you're ready to apply, just send us your application through the form on the bottom of the page.

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About Supercell

Supercell is a games company from Helsinki, Finland, with offices also in San Francisco, Seoul, Shanghai, and London. You might know us as the makers of Hay Day, Clash of Clans, Boom Beach, Clash Royale, and Brawl Stars. Our mission is to create great games that as many people as possible play for years and that are remembered forever.

So, how do we make great games? By putting together the best teams and giving them the freedom and independence to succeed. And by taking risks, failing, sharing learnings, and killing lots of projects.

Hey, You Might Love It Here!

Independent cells and trust are at the core of our culture. But it takes more than that to make great games. We take good care of our people, providing them with the compensation, work environment, and resources they need to succeed while having fun along the way.

You Are Not Your Job Title ™

Here, you won’t need to focus on chasing titles or climbing ladders. Internally, our job titles don’t include prefixes like Senior, Junior, Principal, or Director. Recognition isn’t tied to your title, as it doesn't define the impact you can have around here.

Benefits and Compensation

Luring you in with glitter, glamour, and gems isn't what we're about. We want you to enjoy your time here fully, so we structure our compensation and benefits with that in mind. It starts with perceiving you as a human being, not a resource.

Relocation? Yes!

No matter where you’re moving from, our dedicated mobility team and partners will support you throughout your move. We’ll ensure the process is as smooth as possible for you and anyone joining you – whether they’re family members of the human or animal kind!

Not Sure if You Should Apply?

Many candidates with great skills and experience second-guess themselves. The bar is high, but if this role excites you, apply! We’re here to help you succeed. Also, we're happy to learn about any specific accommodations you may need to fully engage in our recruitment process.

Wishing you all the best,
The Supercell Recruitment team