Principal Data Architect
Menlo Park, CA · On-site
Active Metadata, RDF, OWL, SHACL, SPARQL, OPA, Caelum/Amundsen.
Menlo Park, CA · On-site
Active Metadata, RDF, OWL, SHACL, SPARQL, OPA, Caelum/Amundsen.
Menlo Park, CA · On-site
Active Metadata, RDF, OWL, SHACL, SPARQL, OPA, Caelum/Amundsen.
San Jose, CA · On-site
$296K/yr
Contributions to graph standards or communities (GQL, openCypher, SPARQL)
San Jose, CA · On-site
$296K/yr
Contributions to graph standards or communities (GQL, openCypher, SPARQL)
San Francisco, CA · On-site +1
$144K - $190K/yr
You will spend the majority of your time designing ontologies, writing SPARQL, building knowledge graph pipelines, and working closely with data engineering and data science peers to put your models ...
San Francisco, CA · On-site +1
$144K - $190K/yr
You will spend the majority of your time designing ontologies, writing SPARQL, building knowledge graph pipelines, and working closely with data engineering and data science peers to put your models ...
San Francisco, CA · On-site
$180K - $230K/yr
You will spend the majority of your time designing ontologies, writing SPARQL, building knowledge graph pipelines, and working closely with data engineering and data science peers to put your models ...
San Francisco, CA · On-site
$180K - $230K/yr
You will spend the majority of your time designing ontologies, writing SPARQL, building knowledge graph pipelines, and working closely with data engineering and data science peers to put your models ...
San Francisco, CA · On-site +1
$150K - $180K/yr
You are expected to write clean, production-quality Python and SPARQL, take ownership of well-scoped graph work streams, and grow your depth in semantic modeling under the guidance of senior team ...
Quick apply
San Francisco, CA · On-site +1
$150K - $180K/yr
You are expected to write clean, production-quality Python and SPARQL, take ownership of well-scoped graph work streams, and grow your depth in semantic modeling under the guidance of senior team ...
San Francisco, CA · On-site +1
$180K - $230K/yr
You will spend the majority of your time designing ontologies, writing SPARQL, building knowledge graph pipelines, and working closely with data engineering and data science peers to put your models ...
Quick apply
San Francisco, CA · On-site +1
$180K - $230K/yr
You will spend the majority of your time designing ontologies, writing SPARQL, building knowledge graph pipelines, and working closely with data engineering and data science peers to put your models ...
San Francisco, CA · On-site
$150K - $180K/yr
You are expected to write clean, production-quality Python and SPARQL, take ownership of well-scoped graph work streams, and grow your depth in semantic modeling under the guidance of senior team ...
San Francisco, CA · On-site
$150K - $180K/yr
You are expected to write clean, production-quality Python and SPARQL, take ownership of well-scoped graph work streams, and grow your depth in semantic modeling under the guidance of senior team ...
San Jose, CA · On-site
$296K/yr
Deep knowledge of Gremlin, Cypher/openCypher, and/or SPARQL, including performance tuning and query design best practices * Experience with data lakes/lakehouses (Delta Lake, Iceberg, Parquet) across ...
San Jose, CA · On-site
$296K/yr
Deep knowledge of Gremlin, Cypher/openCypher, and/or SPARQL, including performance tuning and query design best practices * Experience with data lakes/lakehouses (Delta Lake, Iceberg, Parquet) across ...
You are expected to write clean, production-quality Python and SPARQL, take ownership of well-scoped graph work streams, and grow your depth in semantic modeling under the guidance of senior team ...
You are expected to write clean, production-quality Python and SPARQL, take ownership of well-scoped graph work streams, and grow your depth in semantic modeling under the guidance of senior team ...
Sunnyvale, CA · On-site
Graph query languages (SPARQL, Cypher) *Cloud data platform experience (Snowflake, BigQuery, Databricks) Vendor Billing range (share in local currency) * XXX/hr (All inclusive) Work Location (with ...
Sunnyvale, CA · On-site
Graph query languages (SPARQL, Cypher) *Cloud data platform experience (Snowflake, BigQuery, Databricks) Vendor Billing range (share in local currency) * XXX/hr (All inclusive) Work Location (with ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Oncology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Oncology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Immunology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Immunology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Oncology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Oncology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Immunology R&D-relevant ontologies (e.g ...
Work with SPARQL/GraphQL/REST services; develop ingestion and curation pipelines to ingest, normalize and map concepts across data sources. * Extend and curate Immunology R&D-relevant ontologies (e.g ...
Nice to Have • Knowledge graph technologies (RDF, Neo4j) and graph query languages (SPARQL, Cypher). • Multi-agent frameworks (LangGraph, CrewAI, Claude Agent SDK). • Data governance frameworks ...
Nice to Have • Knowledge graph technologies (RDF, Neo4j) and graph query languages (SPARQL, Cypher). • Multi-agent frameworks (LangGraph, CrewAI, Claude Agent SDK). • Data governance frameworks ...
Cupertino, CA · On-site
$130K - $177K/yr
... SPARQL as a forward-looking capability Demonstrated expertise implementing data privacy frameworks - including hands-on experience building systems compliant with global regulations (e.g., GDPR, CCPA ...
Cupertino, CA · On-site
$130K - $177K/yr
... SPARQL as a forward-looking capability Demonstrated expertise implementing data privacy frameworks - including hands-on experience building systems compliant with global regulations (e.g., GDPR, CCPA ...
San Francisco, CA · On-site
$75 - $96.50/hr
Implement semantic data standards (RDF, OWL, SPARQL) and ontology engineering practices to create interoperable, machine-readable scientific data. Data Platform & Lakehouse Architecture * Design and ...
San Francisco, CA · On-site
$75 - $96.50/hr
Implement semantic data standards (RDF, OWL, SPARQL) and ontology engineering practices to create interoperable, machine-readable scientific data. Data Platform & Lakehouse Architecture * Design and ...
... SPARQL as a forward-looking capability Demonstrated expertise implementing data privacy frameworks - including hands-on experience building systems compliant with global regulations (e.g., GDPR, CCPA ...
... SPARQL as a forward-looking capability Demonstrated expertise implementing data privacy frameworks - including hands-on experience building systems compliant with global regulations (e.g., GDPR, CCPA ...
San Francisco, CA · On-site
$75 - $96.50/hr
Implement semantic data standards (RDF, OWL, SPARQL) and ontology engineering practices to create interoperable, machine‐readable scientific data. Data Platform & Lakehouse Architecture Design and ...
San Francisco, CA · On-site
$75 - $96.50/hr
Implement semantic data standards (RDF, OWL, SPARQL) and ontology engineering practices to create interoperable, machine‐readable scientific data. Data Platform & Lakehouse Architecture Design and ...
Palo Alto, CA · On-site
Hands-on experience designing enterprise ontologies and semantic models; proficiency in at least one graph query language (SPARQL, Cypher, or GQL); understanding of trade-offs between RDF triple ...
Palo Alto, CA · On-site
Hands-on experience designing enterprise ontologies and semantic models; proficiency in at least one graph query language (SPARQL, Cypher, or GQL); understanding of trade-offs between RDF triple ...
A SPARQL job typically involves working with SPARQL, a query language used to retrieve and manipulate data stored in RDF (Resource Description Framework) format. Professionals in this role often work with semantic web technologies, knowledge graphs, and linked data. They may develop queries to extract insights, integrate data from various sources, and optimize database performance. Common roles include data engineers, semantic web developers, and ontology specialists.
To thrive in a SPARQL Developer role, you need a solid understanding of semantic web technologies, RDF data modeling, and advanced SPARQL query design, typically supported by a degree in Computer Science or a related field. Experience with triplestore databases such as Apache Jena, Virtuoso, or Stardog, and proficiency in programming languages like Python or JavaScript are commonly required. Strong analytical thinking, attention to detail, and effective collaboration skills are crucial in this position. These competencies ensure efficient extraction of insights from complex linked data, facilitate integration tasks, and support business-driven data initiatives.
SPARQL Developers often encounter challenges when working with large, interconnected datasets or optimizing complex queries for triplestore performance. Navigating the nuances of schema design, integrating disparate data sources, and ensuring precise query results are part of the day-to-day work. Collaborating closely with data architects and subject matter experts helps address ambiguity and clarify project requirements. Staying up to date with advances in semantic technologies and routinely profiling queries can also lead to more efficient solutions and better overall project outcomes.
The most popular types of Sparql jobs in California are:
For Sparql jobs in California, the most frequently searched job titles are:
The top searched job categories for Sparql jobs in California are:

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Principal Data Architect
Location: Menlo Park, CA(Remote)
Role Type: 12 Month Contract
Position Overview:
We are looking for a forward thinking 10+ Years Data Architect, who is visionary to pioneer the engineering and orchestration of an enterprise-scale, Self-Healing Data Fabric. In this high-impact mandate, you will dismantle traditional, rigid ETL pathways and help implement an intelligent & nervous system& framework where operational metadata is continuously active, enterprise data governance is completely computational, and multi-party data virtualization relies on zero-copy architectures.
Mandatory Technical:
• Active Metadata Infrastructure: Demonstrated success designing closed-loop data automation pipelines (e.g., building automated engines for metadata-triggered schema self-repair and structural drift remediation).
• Advanced Semantic Engineering: Comprehensive mastery of semantic web standards, including RDF, OWL, and SHACL, for building ontology-first structural data models alongside SPARQL for context-aware graph reasoning.
• Policy-as-Code Compliance: Production-grade deployment experience utilizing Open Policy Agent (OPA) or equivalent zero-trust policy engines to enforce programmatic, contextual data access control layers.
• Caelum or Amundsen push-events: Alongside DataHub& Actions Framework to drive real-time, event-based data quality orchestration and automated schema rollbacks
Note
Target Educational Profiles:
• Required: Minimum of 10+ years of enterprise data strategy experience.
• Preferred: Masters degree or Ph.D. in Computer Science with a core focus on Formal
Methods/Symbolic Logic or Computational Mathematics.
•Key Focus Areas: Active Metadata, RDF, OWL, SHACL, SPARQL, OPA, Caelum/Amundsen.
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Software development
11 - 50 Employees
Austin, TX, US
1996