Data Engineer III - FMX at Fanatics Betting & Gaming – London | Jobyssey

About Us

Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally.

Data Engineer III

About the Role
We're looking for a Data Engineer III to join our Data Engineering team, which builds and governs the data foundation that powers the business. You'll work within our stack — Python ingestion pipelines, Airflow orchestration, and Snowflake/Databricks — helping move data reliably and securely from source to decision-ready output.
You'll implement features and fixes against a given design, handle known classes of pipeline issues on your own, and escalate genuinely novel problems with clear context rather than working them in isolation. You're also expected to start contributing meaningfully in code review — catching real bugs, not just style nits.

What You'll Do

Implement new ingestion sources end-to-end against a senior engineer's design — connector code, DAG, schema, monitoring, and catalog registration — extending the team's existing framework where a new source needs a pattern it doesn't yet support
Investigate pipeline failures independently, recognize known classes of issues, and ship the documented fix without needing to escalate
Before shipping a new pipeline, identify downstream consumers and what would break if data were late or wrong, and flag gaps like this during spec review — before writing code
Write clear handovers when escalating a genuinely unresolved issue — what you tried, what you ruled out, and where things diverge — so a senior can pick up without re-discovery
Review peers' pipeline PRs and catch non-obvious issues (e.g., missing idempotency checks, race conditions) that could cause incorrect downstream data
Turn ambiguous "why is this data wrong?" questions into structured investigations — tracing data lineage from source to warehouse and communicating back what you found
Surface concerns in spec review as specific, well-reasoned questions rather than staying silent or blocking progress
Support data security and governance work (e.g., PII masking, access controls) and contribute to data delivery work, including reverse ETL integrations
Build strong working relationships with internal stakeholders and help scope and clarify requirements for new work
Mentor DE2s on their first significant projects — pairing on tricky decisions and helping them apply team conventions

What We're Looking For

3–5 years of professional software or data engineering experience
Strong SQL and Python skills, with solid experience building and operating production data pipelines
Comfort investigating and root-causing pipeline issues independently before escalating
Experience with workflow orchestration tools (Airflow or similar) and a cloud data warehouse/lakehouse (Snowflake, Databricks, or similar)
Solid understanding of data pipeline concepts: idempotency, schema evolution, backfills, and data quality/testing
Experience giving substantive code review feedback, not just style or formatting comments
Strong communication skills — can write a clear technical handover, ask sharp questions in spec review, and explain a data lineage investigation to a non-technical stakeholder
A track record of taking ownership of known-class problems end-to-end rather than needing step-by-step direction

Nice to Have

Experience extending or building reusable pipeline frameworks/templates
Exposure to reverse ETL tools or patterns, PII masking, or data access governance (RBAC)
Exposure to observability/monitoring tooling (e.g., Datadog) for pipeline health and alerting
Some experience mentoring or informally supporting more junior engineers
Background in gaming, betting, e-commerce, or another regulated/high-compliance industry

Why Join Us

Real ownership over known-class problems, with senior/staff support available for the genuinely novel ones
Work on high-visibility, high-trust systems that the business depends on
A culture built around clear tenets: standardize before you scale, own the outcome (not just the ticket), and clarity over complexity
Clear growth path into Senior Data Engineer, with room to start mentoring and shaping team practices along the way

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Data Engineer III - FMX

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