34 data engineer intern jobs at 30 companies in Fairfield, CA
🚀PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Eolas: Software for multifamily operators to manage risk and operations.
Currently enrolled or recently completed coursework in LLMs, AI, NLP or related fields; basic prompt engineering; familiarity with AI testing frameworks; strong analytical and communication skills; ability to work collaboratively in a fast-paced environment.
Zipline: Operates an autonomous drone delivery system for medical supplies.
Strong applied math and controls experience, experience with controls solutions, exposure to inertial navigation or optimal control, software skills in embedded and technical computing, and simulation/flight-data analysis interest.
Western Magnetics: Manufacturer of electric motors for drones and robots.
Currently enrolled in an engineering undergraduate or graduate program; interest in robotics/drone technology; internship or project experience; basic CAD, PCB layout, embedded programming, and data analysis skills; authorized to work in the U.S.
CAD, PCB layout tools, embedded programming, data analysis, simulation
Benchmark ElectronicsNYSE: BHE: Provides engineering design and manufacturing services for complex electronics.
Engineering student internship; self-motivated candidate for CNC cleanroom environment to help build inventory management systems, collect and analyze manufacturing/test data, and support process/tool implementation.
Peak Energy: Developing sodium-ion battery systems for utility-scale energy storage.
Pursuing an engineering or physics degree; strong python, data analysis, and Git skills; hardware test experience and high-voltage battery knowledge preferred.
Blue Current: Develops silicon solid-state batteries for mobility and stationary storage.
3+ YOEProduct ownership for internal database and MES; strong SQL and data architecture skills; experience defining software requirements and managing third-party developers; battery domain knowledge; 3+ years (PhD) / 6+ years (MS) / 8+ years (BS) of relevant experience.
SQL, Python, Tableau, Power BI, MES, Arbin, BioLogic, Neware
Estes Energy: Develops zero-emission battery systems for commercial vehicle electrification.
Pursuing an engineering degree or equivalent hands-on experience; able to design, build, and test components or subsystems; run experiments, analyze data, document results, and take ownership of a project.
Anyscale: Cloud platform for scaling distributed machine learning applications.
3+ YOE3+ years experience building scalable, fault-tolerant distributed systems; experience with data processing and database internals; strong performance focus for AI workloads.
EDO: Measures the impact of TV and streaming advertising.
6+ YOE6+ years in platform/infrastructure engineering; strong AWS, Terraform/Spacelift; experience building internal developer platforms and data-heavy infrastructure.
City of Napa: Provides municipal services and infrastructure for the community.
No prior experience required; must be 18+, possess valid California Class C driver license, able to lift 25 lbs, work outdoors, collect GPS data, read maps, and follow safety guidelines.
Labelbox: Provides a platform and services for AI training data management.
Pursuing Bachelors/Masters in cybersecurity, CS, or related; interest in cloud/data security and SecOps; basic knowledge of GCP/AWS/Azure and SQL; strong communication and analytical skills.
GCP, AWS, Azure, SQL, Cursor, Claude Code, SIEM, CI/CD, LLM
XRF Applications Engineer – Semiconductor Metrology III (E3)
Benicia, California, United States
$108k-$149k/yrOnsiteFull Time
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
Bachelor's in Physics/Materials/Engineering, deep XRF knowledge, Python proficiency, experimental design and data analysis skills, strong communication; occasional domestic/international travel (~10%).
Crunchyroll: Operates a global streaming platform for anime and manga.
8+ YOEBachelor's degree, 8+ years in database operations or data platforms, deep experience with AWS RDS/Aurora/DynamoDB, monitoring tools (Datadog, CloudWatch, DevOps Guru, DB Performance Insights), Python or Java, CI/CD and IaC familiarity, strong DB internals and performance skills.
Lam ResearchNASDAQ: LRCX: Designs and manufactures wafer fabrication equipment for the semiconductor industry.
5+ YOEExperience with etch tools (e.g., 2300e, Sense.i), ability to travel up to 30% domestic/international, read electrical/mechanical schematics, use data analysis and office software, and provide escalation support.
Control Works, IOC, SIOC, EIOC, Tool Platform SW Package, data analysis tools, word processing, spreadsheet, presentation software
SnailWorks: SnailWorks provides mail tracking and delivery intelligence software for marketers.
Enrolled in Software Engineering/CS program; proficient in TypeScript, Python, or Go; able to read code; curious about data systems and LLM-driven apps; strong written communication; operator mindset.
DataRobot: Provides an enterprise platform for building and governing AI.
Pursuing or recently completed BS/MS in CS/data science/engineering; proficiency in Python (pandas,numpy); foundational ML knowledge; strong communication and autonomy; passion for autonomous agents.
PlusMinusOne: Develops and markets a portfolio of utility and lifestyle apps
0+ YOE3rd/4th-year CS or engineering student with backend interest; hands-on backend experience via coursework/projects/internships; OOP, data structures, algorithms, and Git familiarity; strong analytical and communication skills.
Software Engineering Intern – Distributed Simulation Systems
Emeryville, California, United States
$25-$60/hrHybridFull Time, Internship
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
Strong programming fundamentals; experience with C++, Python, or similar systems languages; familiarity with Linux; understanding of data structures, algorithms, and concurrency; interest in distributed systems and systems engineering.
C++, Python, Linux, MuJoCo, Unity, Unreal, PyTorch, CUDA
Grow Therapy: Platform connecting mental health providers with patients and insurance.
5+ YOE5+ years in software/platform engineering; AI-enabled systems; internal platforms/tools; cross-functional collaboration; security and data governance.
MCPs, AI skills frameworks, orchestration frameworks, APIs, data warehouses, CRMs, finance tools, internal databases, LLMs, AI agent frameworks