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525 junior python jobs at 270 companies in Vacaville, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Junior Research Scientist
San Francisco, California, United States
$150k-$230k/yr OnsiteFull Time
EliseAI
EliseAI: AI platform automating housing and healthcare business operations.
Ph.D. in Mathematics, Theoretical Physics, Computer Science, or related field; strong ML foundation; Python/R programming; in-person work 4-5 days/week.
Python, R, Machine Learning Libraries
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3mo
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Junior Specialist - Ansel Lab
San Francisco, California, United States
$55k-$59k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
4+ YOEBaccalaureate degree or 4+ years research experience; molecular biology and protein biochemistry experience; ability to use R or Python; strong organization and communication skills.
R, Python
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1mo
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1042 - Oracle APEX and Python Developer
San Francisco, California, United States
$141k-$177k/yr OnsiteFull Time, Temporary
City and County of San Francisco
City and County of San Francisco: Provides public services and governance for the San Francis area.
1+ YOEAssociate degree in CS or related (or equivalent experience); 1+ year Oracle DB/app development; experience with Oracle APEX, Python, SQL/PL/SQL, RESTful APIs, and OCI; preferred 3–5 yrs APEX and 2–4 yrs Python.
Oracle APEX, Python, SQL, PL/SQL, HTML, CSS, JavaScript, Git, Flask, Django, RESTful APIs, Oracle Cloud Infrastructure (OCI), AWS, Generative AI
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1mo
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Junior Quantitative Analyst
Austin or Chicago or New York or Old Greenwich or San Francisco or West Palm Beach
$150k/yr OnsiteFull Time
WorldQuant
WorldQuant: Develops systematic investment strategies through quantitative research and data.
Undergraduate or advanced degree in a quantitative field; programming in Python and/or C++; Linux experience; strong problem-solving and quantitative skills; interest in financial data, machine learning, and data engineering.
Python, C++, Linux
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1mo
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Junior Analytics Engineer
Walnut Creek, California, United States
$90k-$110k/yr HybridFull Time
SewerAI
SewerAI: AI-powered software for sewer infrastructure inspection and management.
1+ YOE1–3 years production analytics/data/BI experience; strong SQL and Python; familiarity with cloud data warehouses, BI tools, data modeling, and data-quality practices; good communication skills.
SQL, Python, dbt, ClickHouse, Snowflake, BigQuery, Redshift, Hex, Looker, Tableau, Power BI, Metabase, Git, AWS, S3, IAM, Postgres, ClickPipes, peerDB, Salesforce, QuickBooks, Mixpanel, Google Analytics, Google Ads, CRON
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2w
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Software Engineer - Test (Entry-Junior)
Los Angeles or San Francisco
$90k-$161k/yr OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
0+ YOEBachelor's degree in engineering/physics/computer science,0–2 years' software experience,foundational Python,interest in CI/CD,embedded testing and Linux familiarity,ability to work on hardware-in-the-loop systems,ITAR-eligible status required.
Python, Rust, Linux
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1w
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Lead Economist
Sacramento or Oakland
$8k-$11k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Expertise in macroeconomic and econometric modeling, simulation studies, statistical analysis, and regulatory impact assessment; experience with R, Python, and SQL; ability to guide junior staff and support rulemaking.
R, Python, SQL
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1mo
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Senior Data Scientist
San Francisco or New York City
HybridFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
6+ YOE6+ years in data science/advanced analytics, deep expertise in statistical modeling, experimentation, and ML, strong SQL and Python or R skills, experience influencing business decisions, and mentoring junior staff.
SQL, Python, R
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1mo
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Staff Embedded Software Engineer
Alameda, California, United States
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
8+ YOEB.S. in EE/CS or equivalent, 8+ years software engineering experience, expert in C/C++/C#/Python and embedded C, strong debugging and embedded systems safety-critical experience, familiarity with SDLC, testing, and mentoring junior engineers.
C, C++, C#, Python, IDEs, debuggers, unit test frameworks, source control management, UML, SysML, WiFi, Bluetooth, Bluetooth Low-Energy
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2w
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Custom Software Engineer 6321038
Walnut Creek or Mountain View or San Francisco
$28-$38/hr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
1+ YOEMinimum 1 year experience, including 1 year Python development; HS diploma/GED required; Python 2.x experience and bachelor's degree in CS preferred.
Python, Python 2.x
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1mo
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Founding Engineer
San Francisco, California, United States
$175k-$225k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOEComputer Science degree required, 2+ years professional software engineering experience, strong CS fundamentals, startup experience valued, proficiency in Python (typed scientific Python).
Python
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5d
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Data Engineer
San Francisco, California, United States
$160k/yr RemoteFull Time
Swish Analytics
Swish Analytics: Provides predictive analytics and risk management for sports betting.
2+ YOEBS/BA in STEM,2+ years production Python experience,proficiency with Python,SQL/MySQL,Airflow,Kubernetes,AWS,git;experience building ETL pipelines,REST APIs and web scraping.
Python, SQL, MySQL, Airflow, Kubernetes, REST APIs, git, shell scripting, AWS
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3mo
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CAD Engineer – Design Verification Methodology
Austin or San Francisco or Beaverton or Waltham
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
3+ YOEBS degree + 3 years; Python; debugging vendor tools; RTL regression
Python, TCL, Perl, Verilog, SystemVerilog, VCS, XCelium, Modelsim, Verdi, Indago, Makefile, C, C++
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2mo
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Senior Energy Consultant - San Francisco, CA
San Francisco, California, United States
$115k-$145k/yr HybridFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Provides global consulting and engineering services for water and environment.
7+ YOELead energy and sustainability projects; energy modeling; decarbonization planning; client relationship management; mentoring junior staff.
Energy Modeling Software, IES-VE, CBECC, Python, R, SQL
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2mo
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Antenna Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Internship for students with electromagnetics knowledge; experience with RF test equipment; proficiency with CST/HFSS/TICRA and Matlab/Python.
CST, HFSS, TICRA, Matlab, Python, Vector Network Analyzers, Spectrum Analyzers
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2mo
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Software Engineer - Product (New Grad)
San Francisco, California, United States
$130k-$150k/yr OnsiteFull Time
Julius
Julius: Conversational AI for automated data analysis and visualization.
Experience with React, Next.js, Tailwind CSS, Python; shipped production code; strong frontend and backend understanding; live projects.
React, Next.js, Tailwind CSS, Python
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3mo
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Anthropic Fellows Program — Reinforcement Learning
London or Berkeley or San Francisco or London or Ontario or British Columbia or Remote-Friendly US (Travel Required)
$4k/wk HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Fluent in Python; available to work full-time; strong software engineering; interest in empirical AI research.
Python, Distributed Systems, Machine Learning, Research Tools
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1w
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Full-Stack Software Engineer (Product) - Intern - 2026-2027
San Francisco, California, United States
OnsiteInternship
Netic
Netic: AI platform automating customer outreach and bookings for service businesses.
Experience building user-facing full-stack features with React, TypeScript, and Python; familiarity with databases and cloud infrastructure; strong communication and customer empathy.
React, TypeScript, Python, LLM APIs, embeddings, RAG
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2w
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Engineer -Computer Systems Support
San Ramon, California, United States
$80k-$92k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
2+ YOE3–5 years full stack development experience with Python, Node.js, Angular, REST APIs, microservices, and AWS; Bachelor\u0002s degree required.
Python, Node.js, Angular, REST APIs, microservices architecture, AWS, EC2, S3, Lambda, API Gateway, Django, Flask, FastAPI
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2mo
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Design Optimization Engineer - Postdoctoral Researcher
Livermore, California, United States
$122k-$143k/yr HybridFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
PhD in Engineering/Mathematics/Computational Science; HPC experience; C/C++/FORTRAN; Python; MPI/OpenMP/CUDA; ability to perform independent research.
C, C++, FORTRAN, Python, MPI, OpenMP, CUDA, Finite Elements, High-Performance Computing
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