Sr. Data Engineer

Job Title: Senior Data Engineer Experience Required: 6+ Years Engagement Type: Contract About • Linksoft is seeking two Senior Data Engineers with deep Google Cloud Platform and BigQuery experience to deliver hands-on technical discovery and assessment work for a data architecture engagement on behalf of a client. • The client operates a mature data environment centered on Google BigQuery, with integrations spanning Salesforce, Snowflake, HubSpot, and several homegrown and third-party systems. • This engagement is a time-boxed advisory assessment and not an implementation project. Key Responsibilities • Environment Baseline Metrics — GCP billing exports, BigQuery cost decomposition, slot vs on-demand analysis, storage growth trending, and 12-month cost trajectory. • Asset & Integration Inventory — discovery across platforms, pipelines, APIs, and undocumented integrations. • Pipeline & ETL Assessment — orchestration review, error handling, idempotency, schema evolution, CDC patterns, and production pipeline case studies. • Data Quality & Validation Assessment — validation coverage, lineage capability, reconciliation practices, and business impact mapping. • Monitoring & Observability Assessment — monitoring posture, MTTD analysis, and monitoring stack recommendations. Must-Have Skills • Advanced Google BigQuery expertise including INFORMATION\_SCHEMA introspection, query optimization, schema and dataset management. • Experience with GCP billing exports, BigQuery IAM, partitioning, clustering, and metadata tables. • Hands-on experience with Airflow or Cloud Composer, dbt, ETL/ELT design, and Fivetran or Airbyte. • Strong understanding of data quality frameworks, pipeline observability, reconciliation, and backup/recovery assessment. • Technical documentation and client-facing communication skills. Good-to-Have Skills • Snowflake knowledge • Salesforce or HubSpot API familiarity • Observability tooling such as Monte Carlo or Datafold • Python scripting for pipeline automation • GCP certifications Experience Profile • 6+ years in data engineering roles • Minimum 3 years hands-on BigQuery experience • Minimum 2 years Airflow or Cloud Composer experience • Minimum 2 years dbt experience • Experience in SaaS, technology, or professional services preferred