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110 junior data engineer jobs at 80 companies in Fontana, CA

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Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
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.
Python, PyTorch, Elasticsearch, LLMs
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Digital - Senior Data Engineer / Data Engineer, Digital Technology
Seattle or Vancouver or Toronto or New York City or Los Angeles
$100k-$300k/yr OnsiteFull Time
Aritzia
AritziaToronto Stock Exchange: ATZ: Designs and sells everyday luxury women's clothing and accessories.
Design and optimize scalable batch and real-time data pipelines; build ETL/ELT workflows; deliver governed data models; enforce data quality, governance, privacy, and security; mentor junior engineers.
SQL, Google Cloud Platform (GCP), BigQuery, Snowflake, Redshift, Airflow, Pub/Sub, Customer Data Platform (CDP)
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1mo
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Data Engineer
Los Angeles, California, United States
$120k-$134k/yr OnsiteFull Time
Horizon Surgical Systems
Horizon Surgical Systems: AI-driven robotic systems for ophthalmic microsurgery
2+ YOE2+ years data engineering experience, strong SQL and Python skills, experience with cloud infrastructure (AWS) and containerized workflows, familiarity with Dagster, Git, and data quality/validation for regulated environments.
Dagster, SQL, Python, AWS, AWS S3, Git, Snowflake, Delta Lake, dbt, Airflow, Prefect, DICOM
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2w
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Data Engineer
Highland, California, United States
OnsiteFull Time
Yuhaaviatam of San Manuel Nation
Yuhaaviatam of San Manuel Nation: Operates a luxury resort and casino in Southern California.
2+ YOEBachelor's in a related field, 2+ years data engineering experience, high proficiency in SQL, API usage, Microsoft 365, BI/ETL tools, basic cloud and scripting (Python/R), and strong communication skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SQL, API, Python, R, SAS
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1mo
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Data Engineer - Bilingual Mandarin required
Los Angeles, California, United States
$90k-$130k/yr HybridFull Time
CWILL
CWILL: Unified AI-driven commerce platform for Shopify DTC brands.
1+ YOEGreen Card or U.S. citizenship required. 1+ years data engineering experience (1–4 years typical). Strong SQL and Python/Java skills, data ingestion and warehouse experience, data quality mindset, cross-timezone collaboration; Mandarin a strong plus.
SQL, Python, Java, SeaTunnel, Kafka, Flink, Spark, Doris, ClickHouse, Snowflake, BigQuery, Redshift, Databricks, PostgreSQL, DolphinScheduler, StreamPark, Airflow, Dagster, Prefect, dbt, DataHub, Superset, LLMs, AI Agents, REST, OAuth, Git, Docker, CI/CD, Terraform, Kubernetes, AWS, GCP, Azure
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1mo
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Data Engineer (Multiple Levels)
Alhambra or United States
$105k-$200k/yr RemoteFull Time
Astrana Health
Astrana HealthNASDAQ: ASTH: Operates technology-powered platforms to coordinate and deliver medical care.
2+ YOEBachelor's degree required; experience with relational databases, Python, Spark, SQL, Databricks, BI tools, cloud services (AWS/GCP/Azure), version control, and 2+ years in data/analytics landscape.
Python, Spark, SQL, Databricks, Tableau, Microsoft Power BI, Microsoft Excel, AWS, GCP, Azure
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1mo
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Product QA & Data Engineer
Irvine, California, United States
OnsiteContract
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
2+ YOEBachelor's degree and 2+ years in software QA/test engineering or data validation; experience with UI automation, defect tracking, 3D spatial data/BIM, scripting (Python/Bash) and strong communication.
TestComplete, Selenium, PostHog, Jira, JavaScript, HTML, CSS, Python, Bash
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1mo
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Data Scientist
Los Angeles, California, United States
$101k-$126k/yr RemoteFull Time
EVgo
EVgoNASDAQ: EVGO: Operates a nationwide public electric vehicle charging network.
2+ YOEBachelor's in CS or related and ~2 years experience (or advanced degree/equivalent experience). Proficiency in SQL and Python, Snowflake ELT, data engineering, visualization, monitoring, and strong analytic/problem-solving skills.
Snowflake, SQL, Python
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3d
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Data Processing Systems Software Operations Engineer
Monrovia, California, United States
$66k-$106k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
2+ YOEU.S. citizenship, competence in test theory and software lifecycle, strong communication and organizational skills, ability to pass background checks, and ability to travel to customer sites.
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1mo
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Google Data Specialist
Albany or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York or Cleveland or Oklahoma City or Austin or Chicago or St. Pete or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$54k-$196k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
2+ YOE2+ years in data engineering/analytics/ML with 2+ years practical Google Cloud experience; strong SQL, Python, data modeling and pipeline skills; client-facing communication; Bachelor's degree or equivalent experience.
BigQuery, Looker, Looker Studio, Vertex AI, Gemini Foundation Models, Gemini Enterprise, Model APIs, Embeddings, Dataflow, Dataproc, Pub/Sub, Cloud Storage, Dataplex, IAM, SQL, Python, Git, CI/CD
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3w
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Data Scientist for Analytics (Engineer/Scientist Support)
Norco, California, United States
$70k-$143k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Bachelor's degree in a related field, U.S. citizen able to obtain DoD SECRET clearance, working knowledge of MATLAB or Python, familiarity with tool verification/validation, strong analytical and communication skills, willingness to travel up to 10%.
MATLAB, Python
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1w
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Sr. Data Quality Engineering Analyst
Irvine, California, United States
$120k-$142k/yr HybridFull Time
KFC Pan Europe
KFC Pan EuropeNYSE: YUM: Quick-service restaurant chain specializing in fried chicken products.
7+ YOEBS in Information Technology,7+ years QA experience,5+ years with AWS/JSON/XML and Snowflake,3+ years test script automation,experience embedding data quality in pipelines and mentoring juniors.
AWS, JSON, XML, Snowflake, CI/CD, dbt, Great Expectations
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1w
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Data Scientist (ITS)
Los Angeles, California, United States
$120k-$156k/yr OnsiteFull Time
Keck Medicine of USC
Keck Medicine of USC: Provides specialized medical care and research via university health system.
2+ YOEBS/MS in CS/Engineering or equivalent; 2+ years experience; strong Python, SQL, GitHub, ML frameworks, JavaScript/Node.js/Qt; experience building and deploying LLM/agentic AI workflows, grounding/RAG, and secure cloud deployments.
Python, SQL, GitHub, PyTorch, TensorFlow, JavaScript, Node.js, Qt, n8n, LangChain, LangGraph, AutoGen, CrewAI, AWS, Azure, GCP, Tableau, ArcGIS, D3.js, R, MySQL, SQL Server, Oracle, Snowflake, Redshift, MongoDB, NoSQL, MDX
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1mo
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Product Engineer II - Data Management
Redlands, California, United States
$80k-$133k/yr HybridFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years software testing; experience with C++, C#, Java, JS, or Python; SQL DBMS familiarity; strong communication and analytical skills; BS in CS/Engineering/GIS/Data Science/etc.
C++, C#, Java, JavaScript, Python, SQL, DBMS, Kubernetes, Docker, AWS, Azure
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2d
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Data Processing Systems Software Operations Engineer
Monrovia, California, United States
$66k-$106k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
2+ YOEU.S. citizenship and ability to pass NCIC background check; competence in test theory, software safety, computer science fundamentals; strong organizational and communication skills; travel to JPL and GDSCC as needed.
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4w
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Office/Field Engineer Tunneling
San Jose or Long Beach or Evansville or Alexandria
OnsiteFull Time
Traylor Bros., Inc.
Traylor Bros., Inc.: Heavy civil contractor specializing in complex infrastructure construction projects.
2+ YOEBachelor's in engineering, 2-8 years field/office engineering experience, proficiency in Microsoft Word and Excel and AutoCAD, ability to analyze survey data, estimate materials/costs, inspect sites, communicate clearly, and lead teams.
Microsoft Word, Microsoft Excel, AutoCAD
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14h
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Machine Learning Engineer II
Irvine, California, United States
$97k-$162k/yr HybridFull Time
Panasonic Avionics Corporation
Panasonic Avionics CorporationTokyo Stock Exchange: 6752: Provides in-flight entertainment and connectivity systems for airlines.
2+ YOEBachelor's in CS/Data Science/Software Engineering required, 2+ years software engineering experience, proficiency in Python or Java, experience with TensorFlow or PyTorch, machine learning and data-pipeline experience.
Python, Java, TensorFlow, PyTorch
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2w
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EY-Parthenon - Strategy and Execution - Growth Platforms - Data Scientist - Sr Associate/Consultant
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
2+ YOEBachelor's degree plus 2+ years related experience (or graduate degree + ~18 months); experience in data engineering/data science pipelines; strong SQL, Python/Scala, cloud data infra, Airflow/dbt; excellent communication.
GCP, AWS, Snowflake, BigQuery, Databricks, Delta Lake, SQL, Python, Scala, Airflow, dbt, Microsoft Copilot
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3w
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Structural Test Engineer
Adelanto, California, United States
$69k-$116k/yr OnsiteFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
2+ YOEBachelor's degree in engineering (or equivalent experience), ~2+ years engineering experience, strengths in statics, instrumentation and data acquisition, ability to obtain DoD clearance, strong communication and documentation skills.
Data Acquisition (DAQ), PID controller
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3w
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Tooling Engineer
Huntington Beach, California, United States
$90k-$160k/yr OnsiteFull Time
Layup Parts
Layup Parts: Manufactures high-speed composite parts and tooling for aerospace.
2+ YOE2+ years composites tooling experience with prepreg; strong engineering fundamentals, CAD proficiency (NX, SolidWorks, Catia), experience with scanned data/QC, and ability to design multi-piece molds and production-ready fixtures.
NX, SolidWorks, Catia, C++, Python, MATLAB, VBA, Arduino
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3mo
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Design Engineer I
Los Angeles, California, United States
$73k-$82k/yr HybridFull Time
Sherwood Design Engineers
Sherwood Design Engineers: Civil engineering firm specializing in sustainable infrastructure and water.
0+ YOEBachelor's in Civil or Environmental Engineering; internship experience; proficient with AutoCAD; able to read topographic data; Windows/Office; knowledge of Civil 3D and related design tools.
AutoCAD, Civil 3D, HydroCAD, Flowmasters, StormCAD, Adobe Creative Suite, GIS
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