Senior Data Engineer

Build the data backbone of a global financial system.

This is a rare chance to be thefirst dedicated Data Engineerat a fast-growing fintech operating at the intersection ofpayments cards and blockchain infrastructure.

The platform is already live already scaling and already moving real money across borders. Whats missing isyou: the person who designs and owns the data systems that everything else depends on.

The Opportunity

Youll be responsible forarchitecting and building the entire data platformfrom the ground up.

As the business scales to millions of users across card programs payment rails and blockchain networks your pipelines will power:

• Analytics and decision-making
• Customer and partner reporting
• Operational tooling
• Compliance and risk workflows
• On-chain and off-chain integrations

This is not a maintenance role. This is a01 platform-defining rolewith real ownership and real impact.

Youll work directly with the CTO and partner closely with Product Engineering Operations Compliance and Analytics.

What Youll Do

Design build and maintain core data pipelines including ingestion from payments processors card issuers blockchain nodes internal services and third-party APIs.

Own orchestration and workflow management implementing Airflow Dagster or similar tools to ensure reliable observable and scalable data processing.

Architect and manage data warehouse(Snowflake BigQuery or Redshift) driving performance cost optimization partitioning and access patterns.

Develop high-quality ELT/ETL transformationsto structure raw logs transactions ledgers and on-chain events into clean production-grade datasets.

Implement data quality frameworks and observability(tests data contracts freshness checks lineage) to ensure every dataset is trustworthy.

Partner closely with backend engineersto instrument new events define data contracts and improve telemetry across the infrastructure.

Support Analytics and cross-functional teamsby delivering well-modeled well-documented tables that power dashboards ROI analyses customer reporting and key business metrics.

Own data reliability at scale leading root-cause investigations reducing pipeline failures and building monitoring and alerting systems.

Evaluate and integrate new toolsacross ingestion enrichment observability and developer experienceraising the bar on performance and maintainability.

Help set the long-term technical directionfor Rains data platform as we scale across new products regions and chains.

What Were Looking For

• Data infrastructure builder You thrive in early-stage environments owning pipelines and platforms end-to-end and choosing simplicity without sacrificing reliability.
• Expert data engineer Strong Python and SQL fundamentals with real experience building production-grade ETL/ELT.
• Workflow & orchestration fluent Hands-on experience with Airflow Dagster Prefect or similar systems.
• Warehouse & modeling savvy Comfortable designing schemas optimizing performance and operating modern cloud warehouses (Snowflake BigQuery Redshift).
• Quality-obsessed You care deeply about data integrity testing lineage and observability.
  Systems thinker You see data as a platform; you design for reliability scale and future users.
• Collaborator You work well with backend engineers analytics engineers and cross-functional stakeholders to define requirements and deliver outcomes.
• Experienced 57 years in data engineering roles ideally within fintech payments B2B SaaS or infrastructure-heavy startups.

Nice to Have

• Experience ingesting and processing payments data transaction logs or ledger systems.
• Exposure to smart contracts blockchain data structures or on-chain event ingestion.
• Experience building data tooling for compliance risk or regulated environments.
• Familiarity with dbt and/or semantic modeling to support analytics layers.
• Prior experience standing up data platforms from 01 at early-stage companies.

Compensation & Benefits

• $140K$240K base salary meaningful equity
• Unlimited PTO (with a real minimum encouraged)
• Flexible remote-first working
• Home office stipend
• Comprehensive health dental & vision (US)
• 401(k) with company match
• Wellness budget (gym fitness recovery etc.)
• Regular team offsites (US international)

Interview Process

1. Intro call (culture & alignment)
2. Technical interview (past projects & impact)
3. 2-hour technical session (architecture hands-on)
4. Final conversation with the founder/CEO

Due to the high volume of applications we anticipate we regret that we are unable to provide individual feedback to all you do not hear back from us within 4 weeks of your application please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.

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Required Experience:

Senior IC