PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
1mo
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Principal Data Engineer
El Segundo, California, United States
$240k-$275k/yr RemoteFull Time
6+ YOE6+ years data engineering; strong SQL, Python; Snowflake/dbt; experience building large-scale data platforms; leadership and mentoring; AI-first mindset.
SQL, Python, Snowflake, dbt, Iceberg, Trino, Kafka
1mo
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AWS Principal Data Engineer
Valencia or Santa Clara or Arden Hills
$107k-$203k/yr HybridFull Time, Temporary
13+ YOEBachelor's in CS or related, 13+ years data engineering with 6+ years building AWS cloud-native data platforms; expertise with AWS data services, Snowflake, Python, Terraform, Spark/Flink, and governance automation.
S3, Glue, Athena, Lambda, MSK, Kinesis, DynamoDB, RDS, Redshift, EMR, Step Functions, DMS, ECS, Lake Formation, DataZone, Snowflake, Python, Terraform, Bash, Spark, Flink, Apache Iceberg, Alation, Atlan, DataHub, Informatica, Databricks, CI/CD
1mo
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AWS Principal Data Engineer
Arden Hills or Valencia or Santa Clara
$107k-$203k/yr HybridFull Time, Contract
13+ YOEBachelor's degree required; 13+ years data engineering experience including 6+ years designing cloud-native AWS data platforms and 4+ years building scalable data platform solutions. Expertise with AWS data services, Snowflake, Python, Terraform, Bash, Spark/Flink, and governance automation.
S3, Glue, Athena, Lambda, MSK, Kinesis, DynamoDB, RDS, Redshift, EMR, Step Functions, DMS, ECS, Lake Formation, DataZone, Snowflake, Apache Iceberg, Python, Terraform, Bash, Spark, Flink, Alation, Atlan, DataHub, Informatica, Databricks
1mo
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AWS Principal Data Engineer (Valencia, CA, US, 91355)
Valencia or Santa Clara or Arden Hills
$107k-$203k/yr HybridFull Time, Contract
13+ YOEBachelor's degree required; 13+ years data engineering experience with 6+ years building cloud-native AWS data platforms and 4+ years building scalable data platform solutions. Expertise in AWS data services, Snowflake, Python, Terraform, Spark/Flink, and governance automation.
S3, Glue, Athena, Lambda, MSK, Kinesis, DynamoDB, RDS, Redshift, EMR, Step Functions, DMS, ECS, Lake Formation, DataZone, Snowflake, Python, Terraform, Bash, Spark, Flink, Apache Iceberg, Alation, Atlan, DataHub, Informatica, Databricks, CI/CD, IAM
2mo
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Principal Software Engineer, AI Platform Engineering
El Segundo, California, United States
HybridFull Time
8+ YOE8+ years of data engineering at production scale; end-to-end data lake ownership; experience with Spark/Dataflow/Beam; strong in data governance and multi-tenant architectures.
GCS, Dataproc, Spark, Iceberg, Delta Lake, Beam, Dataflow, Flyte, Kubeflow Pipelines, Airflow, Prefect, Protobuf, Avro, dbt, Great Expectations, Feast, Tecton, S3, Redis, Pgvector, Qdrant, GKE, gRPC, HTTPS, mTLS, PySpark, Scala
6d
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Principal / Senior Principal Microelectronics Modeling Engineer
Manhattan Beach, California, United States
$114k-$171k/yr OnsiteFull Time
8+ YOEUS citizen able to obtain DoD Secret clearance; BS in STEM with 5+ years (Principal) or 8+ years (Senior Principal); semiconductor device modeling, CAD and programming experience; data analysis and device test expertise.
ADS, AWR, Calibre, Assura, Computer Aided Design (CAD), PDK
3d
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Principal / Sr Principal Engineer Software
San Diego or El Segundo
$114k-$171k/yr OnsiteFull Time
5+ YOERequires Top Secret clearance eligibility, 5+ years engineering experience (principal) or 8+ (sr principal), proficiency with Java 21+, Spring Boot, Apache NiFi, microservices, observability tools, and experience in enterprise integration and data flow technologies.
Spring Integration, Apache Camel, Java 21+, Prometheus, Grafana, Apache NiFi, AWS SDK for Java v2, Spring Boot, MongoDB, Elasticsearch, Angular, React, Vue.js, Spring WebSocket, WebSockets, SSE, Protobuf, JAXB, Jackson, JSON, JMS, ActiveMQ Classic, Resilience4j, Docker, Testcontainers, LocalStack, Project Reactor, Spring Boot Actuator, Micrometer, Avro
4d
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Data Scientist, Principal
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$182k-$273k/yr HybridFull Time
8+ YOEAdvanced experience in applied AI/ML and software development, strong Python engineering, hands-on with deep learning and LLM frameworks, experience building production AI applications and leading ML design.
Python, PyTorch, TensorFlow, LangChain, LangGraph, SQL, Spark, Azure, Google Cloud, AWS
4d
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Vision Systems Principal Test Engineer
Goleta, California, United States
$118k-$225k/yr OnsiteFull Time
8+ YOEU.S. citizen eligible for DoD Secret clearance. STEM degree with typically 8+ years (or advanced degree+5) experience in EO/IR system test, IV&V, production test, LabVIEW/MATLAB experience, test architecture and data analysis.
LabVIEW, MATLAB
2mo
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Principal Systems Engineer — AI Data Center Power
El Segundo or San Jose or California
$150k-$238k/yr HybridFull Time
10+ YOEPhD in Electrical Engineering (Power Electronics), 10+ years in the semiconductor industry with high-volume power product launches; expertise in DC/DC topologies, IBCs, hot-swap controllers, GaN/SiC, HVDC/VPD, schematic/PCB design, system bring-up, and customer-facing technical engagement.
GaN, SiC, HVDC, VPD, Open Compute Project (OCP), IBCs, Hot-swap controller, PCB design
2mo
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Principal Product Intelligence (Cortex XSIAM)
Burbank or United States
$159k-$255k/yr RemoteFull Time
8+ YOE8+ years in CI, PM, or sales engineering in cybersecurity; mastery of SATs; translate analyses into PRDs; strong communication; Red Team experience.
Structured Analytic Techniques, PRD, Competitive Intelligence, SIEM, Cortex XSIAM, AI
2w
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Principal Forward Deployed Engineer
Culver City, California, United States
$195k-$245k/yr HybridFull Time
8+ YOE8+ years full-stack production engineering; proficiency across backend, data pipelines, web UIs, cloud (AWS/Azure/GCP), containers, infra-as-code; hands-on LLM/production-AI experience and AI-assisted development tooling; Bachelor's or equivalent experience.
AI Development Life Cycle (AI-DLC), Claude Code, Cursor, GitHub Copilot, Windsurf, Amazon Bedrock, Azure OpenAI, Anthropic, OpenAI APIs, Moveworks, Agentic Foundation, AWS, Azure, GCP
2mo
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Process Development Sr Principal Scientist
Thousand Oaks, California, United States
$158k-$213k/yr HybridFull Time
3+ YOEDoctorate/PharmD/MD with 3+ years; or Master with 6+ years; or Bachelor with 8+ years in scientific fields.
Process engineering, Statistical analysis, Data analysis, Laboratory information systems
1mo
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Principal Product Manager Tech, Prime Video
Culver City or Seattle
$180k-$243k/yr OnsiteFull Time
8+ YOE8+ years technical product/program management experience, 2+ years end-to-end product delivery, Bachelor's degree, experience owning roadmaps and driving engineering discussions, data-driven decision making.
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