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
5d
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Data Path Team — Principal Engineer 2
San Jose, California, United States
$175k-$250k/yr OnsiteFull Time
Expert C systems programming, data-plane experience with VPP/DPDK, tunneling and encryption (IPsec,VXLAN,GRE,GENEVE), strong Go and Python, production debugging, and on-call participation.
C, VPP, DPDK, IPsec, VXLAN, GRE, GENEVE, Go, Python, Claude Code
1mo
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Principal Engineer, Cloud Data Infrastructure
San Jose or Austin
$218k-$324k/yr HybridFull Time
10+ YOE10+ years relevant experience and a Bachelor’s degree (or equivalent); deep expertise in databases, data pipelines, messaging, caching, performance and resilience engineering; experience with real-time analytics and AI/ML infrastructure; strong technical leadership and mentoring.
1d
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Principal Scientist - Data Pipeline Engineer
San Jose or Seattle or San Francisco
$206k-$388k/yr OnsiteFull Time
10+ YOE10+ years in data engineering/ML infrastructure, distributed systems expertise, Python and a systems language, experience with Ray or Spark, GPU inference optimization, large-scale databases and data curation for model training.
Ray, Spark, Python, C++, Rust, Go, Java
2mo
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Principal Engineer - CFD/Thermal
San Jose, California, United States
$176k-$254k/yr OnsiteFull Time
8+ YOEMS or PhD in Mechanical/Aerospace engineering; 8+ years CFD in thermal management for electronics/data centers; proficient in ANSYS Icepak/Fluent/Flotherm; onsite in San Jose, CA; strong communication and multi-project skills.
ANSYS Icepak, ANSYS Fluent, Flotherm
1mo
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Principal Engineer, Cloud Data Infrastructure
San Jose or Austin
$218k-$324k/yr HybridFull Time
10+ YOE10+ years relevant experience and Bachelor’s degree or equivalent; deep experience with data platform infrastructure, real-time pipelines, resilience engineering, and mentoring senior engineers.
AI/ML workflows, vector databases, feature stores, LLM serving infrastructure
1mo
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Principal Digital Design Engineer
San Jose, California, United States
OnsiteFull Time
5+ YOEBachelor’s or Master’s in Electrical/Computer Engineering or related field; 5-10 years in digital design for high-speed DSP data paths; SystemVerilog coding; experience with Synthesis, Lint, CDC, PrimeTime; RTL delivery; full design cycle; timing/area/power optimization; silicon issue resolution
SystemVerilog, EDA tools, Synthesis, Lint, CDC, PrimeTime
1d
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Principal Engineer, Agentic AI Data and Insights
Irvine or San Jose
$307k-$428k/yr OnsiteFull Time
15+ YOEBachelor's degree or equivalent and 15 years software engineering experience; senior technical leadership, large-scale distributed systems, architectural design, and experience with agentic AI and large-scale data platforms.
Iceberg, Spark, GoogleSQL, ANSI SQL, Plx, Jetski
1d
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Senior Principal, Design Engineering
San Jose, California, United States
$211k-$330k/yr OnsiteFull Time
10+ YOE10+ years software engineering with 5+ years hands-on LLM/NLP/ML production coding; MS required (PhD preferred); expert Python and PyTorch/TensorFlow; experience with vector databases, RAG, multi-agent systems, and EDA hardware data.
Python, PyTorch, TensorFlow, ChromaDB, Milvus, Pinecone, LangChain, LlamaIndex, Glean, Gemini Enterprise, Vertex AI, Anthropic Claude, Cadence Allegro, Siemens EDA, Cadence Sigrity, Keysight ADS, PTC Creo, Simcenter Flotherm, Model Context Protocol (MCP)
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
4d
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Principal Thermal Mechanical Engineer
San Jose, California, United States
$137k-$254k/yr OnsiteFull Time
BS/MS/PhD in mechanical engineering with 2–7+ years experience; expertise in thermal/mechanical design for data center equipment, CFD thermal analysis, air/liquid cooling, PCB layout, CAD, BOM/ECO processes.
CFD, Creo Elements/Direct, PTC Arena, PDM
3w
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Sr. Principal Software Engineer (Prisma SASE)
San Francisco or Santa Clara or San Jose
$170k-$277k/yr OnsiteFull Time
10+ YOEBS (CS) +12 yrs or MS +10 yrs in system software; experience with data plane/control plane, C and DPDK; strong system design, networking, and debugging skills.
C, DPDK, Python, Go, Linux
1w
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Principal Process Development Engineer
San Jose, California, United States
$162k-$217k/yr OnsiteFull Time
6+ YOEPhD or equivalent experience with 6+ years in process R&D; experience with materials characterization, equipment troubleshooting, CAD, statistics/data analysis (JMP or Python); ability to drive projects to completion.
XRD, SEM, FIB, EDS, SolidWorks, AutoDesk Inventor, JMP, Python, Rapid Thermal Processing (RTP)
2mo
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Principal Software Development Engineer (Microservices)
San Jose, California, United States
$182k-$260k/yr HybridFull Time
10+ YOE10+ years in software development; production-grade microservices; proficiency in Java (Spring Boot), Go, or Rust; experience with Docker/Kubernetes in cloud environments; SQL and NoSQL databases; distributed data patterns and event-driven messaging.
Java, Go, Rust, Spring Boot, Docker, Kubernetes, Kafka, RabbitMQ, SQS, PostgreSQL, MySQL, Cassandra, MongoDB, Cosmos DB, AWS, Azure, GCP, SQL, NoSQL
1mo
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Principal Memory Design Engineer, Pathfinding
Folsom or Boise or San Jose
$140k-$298k/yr OnsiteFull Time
8+ YOEBachelor's or master's in EE/CE, 8+ years in high-speed data-path design, mixed-signal and memory design experience, proficiency with UNIX, CADENCE, and HSPICE/finesim.
HSPICE, finesim, UNIX, CADENCE, SPF
2mo
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Principal + Staff Software Engineers
San Francisco or San Jose or Seattle or Sacramento
RemoteFull Time
10+ YOE10+ years in software engineering; deep Python, Kubernetes, and Postgres expertise; experience with distributed systems and data architecture.
Python, Kubernetes, PostgreSQL
2mo
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Principal Software Engineer - Switch Design (27965) (San Jose, California, United States)
San Jose, California, United States
$240k-$270k/yr OnsiteFull Time
15+ YOEBS/MS in Computer Science; 15+ years in networking or system software; strong C/C++ and/or Go; knowledge of data structures, algorithms, and software design; experience with L2/L3 networking and Open/Source collaboration.
C/C++, Go, Linux
2mo
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Principal Analog Design Engineer — Mixed-Signal PHY (Clocking / High-Speed I/O)
Boise or Folsom or Richardson or San Jose
$159k-$347k/yr OnsiteFull Time
10+ YOE10+ years analog/mixed-signal IC design; PLL/DLL/clocking; transistor-level simulations; analog-digital interfaces; lab data correlation
HSpice
3w
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Principal Solutions Architect – Rack Integration Center of Excellence (CoE)
San Jose, California, United States
$144k-$260k/yr OnsiteFull Time
12+ YOEBachelor's or Master's in Engineering, 12+ years relevant experience in rack integration, data center networking, liquid cooling, and system debug; pre-sales/solution architecture and strong communication skills.
4d
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Principal Account Manager – AI Data Center Key Account
San Jose, California, United States
$164k-$226k/yr OnsiteFull Time
10+ YOE10+ years technical sales or strategic account management in semiconductors with power-management expertise; experience with hyperscale CSPs/ODMs; bachelor's in electrical engineering; strong communication and strategic skills.
NVIDIA NVL72, OCP, AMD Instinct MIXXX, IEEE
2mo
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Principal Product Manager
United States or San Francisco or Oakland or San Jose or Colorado or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or Vermont or District of Columbia or New York or New Jersey or Washington or California
$171k-$252k/yr RemoteFull Time
5+ YOE5+ years product management experience (7+ preferred); API/platform technical background; BS in CS/Engineering or equivalent experience; strong cross-functional collaboration, data-driven, developer-focused, mentoring ability.
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