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
2w
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Principal Data Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
10+ YOE3+ Mgmt10+ years in data or software engineering, 7+ years building production data pipelines, strong Databricks/Spark/PySpark/SQL experience, Azure and streaming expertise, plus leadership and production operations experience.
Databricks, PySpark, Spark SQL, Spark, Python, SQL, Delta Lake, Databricks Workflows, CI/CD, Azure, Azure Event Hubs, Azure Stream Analytics, Azure Service Bus, Azure Data Factory, Azure Functions, ADLS, Azure Cosmos DB, Event Grid
2mo
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Principal Data Engineer – Safety Analytics (Global Medical Safety)
Horsham or Titusville
$102k-$177k/yr HybridFull Time
5+ YOEMaster’s degree in Computer Science or Engineering; 5+ years in data/analytics engineering; Python/SQL; experience with analytics/ML data architecture; plus cloud (GCP) and governance familiarity.
Python, SQL, Google Cloud Platform (GCP), BigQuery, Dataform, Cloud Run, GKE, Terraform, Jenkins, APIs, microservices
2mo
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Principal Data Engineer – Safety Analytics (Global Medical Safety)
Horsham or Titusville
$102k-$177k/yr HybridFull Time
5+ YOE5+ years in data/analytics engineering; proficient in Python/SQL; strong data architecture for analytics/ML; experience with cloud (GCP); data governance and APIs/microservices; regulated domain experience preferred.
Python, SQL, Google Cloud Platform (GCP), BigQuery, Dataform, Terraform, Jenkins, API, Microservices
1w
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Principal Data & Machine Learning Engineer
Malvern, Pennsylvania, United States
HybridFull Time
10+ YOE3+ Mgmt10+ years in software/data engineering and ML, 3+ years technical leadership, strong Python and SQL, cloud data/ML platform experience (Azure preferred), production model lifecycle ownership.
Azure, Python, SQL, Microsoft Fabric, OneLake, Databricks, Synapse, Azure DevOps, CI/CD, ETL/ELT
1mo
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Principal Data Engineer – Safety Analytics (Global Medical Safety)
Horsham or Titusville
$102k-$177k/yr HybridFull Time
5+ YOEMaster's degree or equivalent experience, 5+ years data engineering experience, proficient in Python and SQL, experience with GCP, Terraform, Jenkins, data governance, CI/CD, and enabling AI/ML/GenAI workflows for analytics; GxP/regulatory experience preferred.
Google Cloud Platform (GCP), BigQuery, Dataform, Cloud Run, GKE, Terraform, Jenkins, Python, SQL, object storage
3w
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Liquid Cooling Data Center Principal Engineer
Newark, Delaware, United States
$141k-$221k/yr OnsiteFull Time
5+ YOEBS in engineering or materials science, 5+ years in data center cooling (10+ preferred), knowledge of liquid cooling and data center operations, strong communication, project management, and ability to run lab experiments and field trials.
2mo
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Principal Architect - Data Center (US)
Dallas or Plano or New York or Pennington or Jersey City
$170k-$200k/yr HybridFull Time
10+ YOE10+ years data center architecture; VCF/NSX/vSAN; Kubernetes/Tanzu; IaC and automation; networking and fabric design.
Kubernetes, Tanzu, VCF, NSX, vSAN, EVPN/VXLAN, BGP, Terraform, GitOps, SDS, Load Balancing, Distributed Transit Gateway, Kubernetes Networking
3w
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Principal Solutions Engineer
Malvern, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years software development experience in retail payments with expertise in POS integration, remote teamwork, Microsoft .NET Framework & Linux, C++/C#/Java, REST API and data exchange specifications.
Microsoft .NET Framework, Linux, C++, C#, Java, REST API
2mo
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Principal Solution Engineer Oracle EPM and Hyperion HFM (Camden, NJ, US, 8102)
Camden, New Jersey, United States
OnsiteFull Time
12+ YOELead Oracle EPM/Hyperion HFM with EPBCS/PBCS, SAP integration, and data management. 12+ years in Oracle EPM, complex integrations, and performance optimization.
Oracle EPM Cloud, Hyperion HFM, EPBCS, PBCS, Essbase, Data Management, EPM Automate, FDMEE, Groovy, SAP
1w
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Industrial / Principal Industrial Engineer -18292
Elkton, Maryland, United States
$80k-$148k/yr OnsiteFull Time
2+ YOEU.S. citizenship and ability to obtain Secret clearance, 2+ years with Bachelors (5+ for higher level), experience optimizing manufacturing workflow, Microsoft Office/Project/Excel and data-visualization experience.
Microsoft Office Suite, Microsoft Project, Microsoft Excel, SAP, Oracle, Tableau
1w
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Principal Engineer - Surveyor - 90386117 - Wilmington
Wilmington, Delaware, United States
$125k-$161k/yr OnsiteFull Time
7+ YOESupervise and perform track and right-of-way surveys, review field data, create survey plans; bachelor’s degree or equivalent and 7+ years relevant experience required; professional survey credentials preferred.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, CAD, GNSS
3d
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Electronic Design Engineer, Senior/Principal
Hamilton Township, New Jersey, United States
$98k-$170k/yr OnsiteFull Time
10+ YOEDesign and develop RF/optical electronics, create prototypes and test plans, analyze and present test data, and support product transfer to production. Requires 10+ years experience and bachelor\u0002s in EE/physics.
AutoCAD, Microsoft Office, VITA OpenVPX, SOSA, spectrum analyzer, network analyzer, power meter
1w
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Principal Machine Learning Engineer
Philadelphia, Pennsylvania, United States
OnsiteContract
5+ YOE5+ years ML model development, 3+ years production model operationalization, strong Python and SQL skills, experience with Databricks/Spark/MLflow, model evaluation and MLOps, and stakeholder communication.
Python, SQL, Spark, Databricks, MLflow, scikit-learn, XGBoost, Snowflake, Azure, AWS
3mo
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Principal AI/ML Engineer (Large Language Model)
Aurora or Philadelphia
$115k-$252k/yr OnsiteFull Time
10+ YOEBS in ML/CS/Math; 10+ years in software/data science; experience with LLMs, PEFT, RAG, LangChain/DSPy; Python ML libs; TS/SCI clearance.
Python, PyTorch, TensorFlow, Keras, OpenCV, NumPy, Pandas, Polars, scikit-learn, Weaviate, pinecone, LangChain, DSPy, llama.cpp, vllm, Kubernetes, AWS, EC2, S3, LangChain, HuggingFace
3mo
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Forward Deployed Principal Engineer
Atlanta or Columbus or Dallas or Los Angeles or New York City or Philadelphia or Richardson or Seattle
$235k-$255k/yr OnsiteFull Time
10+ YOE10+ years in software or data engineering, 3+ years embedded/forward-deployed experience, track record shipping production software, product partnership experience, AI/ML and data platform expertise.
React, TypeScript, Python, Node.js, AWS, Azure, GCP, SQL, Snowflake, Databricks, GraphQL, RESTful, CI/CD
2w
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Associate Principal Scientist, DSCS Digital Technologies–Laboratory Automation, Semantic Technologies & Scientific Data Integration
Rahway or West Point
$142k-$224k/yr HybridFull Time
3+ YOEPhD/MS/BS in relevant scientific or engineering field with relevant experience; strong background in ontologies, semantic technologies, data integration, and scientific data management; excellent communication and cross-functional collaboration skills.
OWL, RDF, Protégé, SPARQL, SKOS, Allotrope, CDISC
2mo
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Principal, Technical Product Manager
Chicago or Reston or Crum Lynne or Boca Raton or White Plains
$169k-$281k/yr HybridFull Time
15+ YOE15+ years in technical product management for enterprise/platform products; cloud-native data/analytics experience; multi-tenant enablement; strong collaboration with engineering, UX, and platform teams.
AWS, Microsoft Azure, Google Cloud Platform, APIs, Enterprise data platforms, Data analytics tools
4w
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Global Head, Architecture
New York City or Princeton
$177k-$350k/yr HybridFull Time
25+ YOE25+ years building and operating systems in regulated, high-availability financial services; hands-on principal engineer/architect; experience with distributed, event-driven, data-intensive systems; cloud (AWS, Azure, GCP) experience; strong judgment on AI, security, and regulatory constraints.
AWS, Azure, GCP
1w
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Principal Demand & Capacity Planning Architect
Breinigsville, Pennsylvania, United States
$111k-$177k/yr OnsiteFull Time
12+ YOEBachelor's in engineering/supply chain,12+ years semiconductor manufacturing/planning,experience with wafer fab operations,MES/ERP and data analytics,capacity modeling,SQL/Python;Master's/PhD preferred.
MES, ERP, SQL, Python, JMP
1mo
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Principal Scientist, Drug Product Sterile Solutions
Upper Providence Township, Pennsylvania, United States
HybridFull Time
5+ YOEPhD (or MS with 5+ yrs or BS with 10+ yrs) in pharmaceutics/engineering/chemistry; experience in sterile formulation, stability/compatibility studies, data analysis, and regulatory documentation.
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