Senior Data Platform Engineer - Provenance & Temporal Data

defcon; United States; Remote; USD 165,000 - 200,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Unlimited PTO

Flexible scheduling

Parental leave (14 weeks)

Remote with occasional travel

Job summary

Defcon is seeking a seasoned Data Platform Engineer to build a durable, historized data store that preserves source claims and evidence over time. You will enable probabilistic matching, provenance, and reproducibility of decisions, while supporting auditability and traceability for ML and entity resolution teams.

Remote-friendly role in the United States with occasional travel to offices or partner sites. The role offers a compensation range of $165,000–$200,000, plus bonus potential and

Qualifications

• Six+ years in data or data platform engineering.
• Experience with versioned, temporal, or historized data models.
• Strong Python and SQL with PostgreSQL production experience.

Responsibilities

• Design storage that retains conflicting source claims and their history instead of resolving disagreements during writes.
• Build a results and evidence store linking saved outcomes to originating records and keeps prior results, human feedback, and configuration versions distinct.
• Implement provenance and lineage across records and relationships, following the platform’s evidence contract.
• Store versioned rules and configurations, and record the precise rule versions and ordered context used by model-assisted steps.
• Make writes traceable and decisions reproducible, including point-in-time answers about what was believed and the evidence available then.

Skills

Python

SQL

Temporal data models

Tools

PostgreSQL

Job description

Defcon is seeking a seasoned Data Platform Engineer to build a durable, historized data store that preserves source claims and evidence over time. You will enable probabilistic matching, provenance, and reproducibility of decisions, while supporting auditability and traceability for ML and entity resolution teams.

Remote-friendly role in the United States with occasional travel to offices or partner sites. The role offers a compensation range of $165,000–$200,000, plus bonus potential and