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DV Labs | Lisbon, Portugal |
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Data Engineer
Lisbon, Portugal
Engineering /
Full Time /
Remote
Apply for this job
Obol Labs is building the next generation of distributed validators to make Ethereum staking more resilient, decentralized, and secure.
Our software allows groups of operatorsālarge and smallāto collaboratively run a single validator while minimizing singleāpointāofāfailure risk and maximizing client diversity. We are a ventureābacked, remoteāfirst team that values openāsource ethos, longāterm thinking, and empirical decisionāmaking.
We are searching for a dedicated Data Engineer to design, build, and own the data platform that powers product decisions, validatorāperformance analytics, onāchain research, and community transparency.
Responsibilities
- Ingest & model Beaconāchain data ā blocks, attestations, syncācommittee aggregates, deposits, and slashingsāinto ClickHouse and MongoDB at multiāTB scale.
- Develop scalable ETL/ELT pipelines in Apache Spark (PySpark/Scala) orchestrated via GitHub Workflows and containerized CI/CD.
- Implement columnar schemas & partition strategies to achieve subāsecond analytical queries and reduce storage footprint.
- Expose clean, versionācontrolled datasets & metrics to internal stakeholders through APIs, dashboards, and notebooks.
- Collaborate with Protocol & DevOps teams to surface validator health, slashārisk events, and protocolālevel anomalies in real time.
- Own data quality, lineage, testing, and documentation across the stack; champion best practices and continuous improvement.
- Contribute to openāsource tooling around consensusālayer data, distributedāvalidator monitoring, and Ethereum research.
Requirements
- 2+ years of professional experience in data engineering or highāperformance backend roles.
- Production expertise with ClickHouse and Apache Spark on multiāterabyte datasets.
- Handsāon experience operating MongoDB for semiāstructured/operational workloads.
- Proficiency in Python (pandas/PySpark) and/or Scala; solid Git and CI/CD habits (GitHub Actions/Workflows or similar).
- Deep understanding of the Ethereum consensus layer (Beacon chain architecture, validator lifecycle, slashing conditions, client diversityāLighthouse, Prysm, Teku, etc.).
- Comfortable working in a remote, asynchronous startup environment with high ownership and autonomy.
Nice to have
- Familiarity with Ethereum executionālayer JSONāRPC, MEVāBoost, and blockābuilding economics.
- Experience operating distributed systems on Kubernetes, Nomad, or similar orchestrators.
- Fluency in Python.
- Exposure to dataāobservability stacks (dbt, Great Expectations, Dagster) and timeāseries monitoring (Prometheus/Grafana).
- Prior contributions to web3 or other openāsource projects.
About the team - How we work?
- Asyncāfirst: proposals & design docs precede meetings.
- Small, senior team: high trust & ownership.
- Openāsource by default: most code and discussions are public.
Our Values
- Synergistic
- Secure
- Innovative
- Reliable
Compensation
- Competitive salary in dollars
- Full remote company - Work from wherever you want
- Possibility to attend to relevant Conferences
- 2 Recharge weeks at the end of the year
- Equipment budget
Thanks for submitting your application! Weāre excited to connect and hopefully build amazing things together. Best of luck!
Thanks for submitting your application! Weāre excited to connect and hopefully build amazing things together.
Best of luck!
Apply for this job