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Senior Data Engineer
About Arena Club
If you’re fascinated by sports cards and memorabilia, your search ends here. Arena Club is pioneering the collectibles domain by introducing the first-ever digital card show. Spearheaded by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, Arena Club has developed a fully digital marketplace. This innovative platform is built on trust, transparency, and fun, featuring grading & authentication, vaulting, and digital pack openings for collectors to build and showcase their collections in a personalized online showroom from anywhere in the world.
About The Role
We are seeking a Senior Data Engineer to help strengthen Arena Club’s strategic decision-making, enhance operational performance, and integrate data across the company to unlock deeper insights into customer behavior and market performance.
As a key individual contributor, you’ll focus on building and maintaining reliable data pipelines, improving data quality, and ensuring data is well-instrumented, accessible, and structured to support meaningful analysis. You will work with existing tools and systems, including Mixpanel and AWS-based data infrastructure, partnering closely with engineering and business teams across product, operations, and the marketplace.
This is a hands-on role for someone who enjoys owning execution, operating in evolving data environments, and incrementally improving how data is collected, processed, and used to drive better business decisions.
What You Will Do
Current State — Production Data Warehouse
• Maintain and optimize inbound and outbound ETL pipelines built on AWS Glue (Python Shell & Spark ETL)
• Manage Redshift cluster performance across various schemas
• Own integrations with SaaS data sources via AppFlow and direct connectors
• Operate outbound distribution pipelines to external vendors
• Manage infrastructure, alerting, and migration state tracking
Future State — Medallion Architecture & Real-Time
• Lead the migration from ad-hoc SQL scripts to a Bronze/Silver/Gold medallion architecture with dbt as the transformation layer
• Design and implement dimensional models ie fact tables and dimensions
• Build the Silver staging layer
• Architect the real-time CDC pipeline
• Implement data contracts and governance at the Silver layer to insulate downstream consumers from source changes
Data Archival & Cost Optimization
• Build the Unified Access Layer
• Design and automate Glue jobs
• Configure S3 lifecycle policies for progressive cost reduction
Requirements
Must Have
• 5+ years in data engineering with production pipeline ownership (not just analytics or BI)
• Deep AWS experience: Glue (both Python Shell and Spark ETL), Redshift, S3, IAM, EventBridge, Lambda, AppFlow
• Strong SQL: complex joins, window functions, MERGE/UPSERT patterns, Redshift-specific optimization (sort keys, dist keys, VACUUM/ANALYZE)
• Python fluency: boto3, data processing libraries, writing production Glue scripts (not just notebooks)
• Dimensional modeling: star schemas, fact/dimension design, SCD Type 1 and Type 2 implementation
• dbt: hands-on experience building and maintaining staging, intermediate, and mart models with tests and documentation
• Data warehouse operations: schema migration, incremental loads, backfill strategies, monitoring, and alerting
• CDC / streaming: Postgres WAL, Debezium, EventBridge, or similar change data capture pipelines
• Data Mesh concepts: domain-oriented ownership, data-as-a-product thinking, federated governance
• AppFlow & SaaS integrations: configuring and troubleshooting managed connectors for Stripe, Zendesk, Mixpanel, etc.
• Cost optimization: right-sizing Glue jobs (Python Shell vs. Spark), Redshift concurrency scaling, S3 lifecycle policies
• Vendor distribution: building outbound API sync jobs with rate limiting, SFTP transfers, webhook delivery
• Exposure to data governance tooling: data catalogs, lineage tracking, quality frameworks (e.g., Great Expectations, dbt tests)
The Arena Club Standard
Life at Arena Club isn’t for the faint of heart — and that’s by design. We’re building products and experiences the collectibles world has never seen. This is a proving ground. It demands your best every single day, because anything less means you’re falling behind.
From day one, you’re in the game. Trusted to deliver, expected to own outcomes, and driven to raise the bar higher than you thought possible. We don’t just execute — we innovate, compete, and win together. That’s how real breakthroughs happen.
If you want routine or predictability, you won’t find it here. But if you’re ambitious, relentless, and hungry to prove yourself on a team built to dominate — step into the arena. You’ll discover growth and reward here, unlike anywhere else.
The base salary range listed is a guideline. Actual compensation is determined based on skills, experience, and the impact you bring. Total compensation includes base salary, bonus, and equity.
Salary Range
$130,000 - $170,000 USD
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