4,072 junior developer jobs at 1,438 companies in Los Altos, CA

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Junior Software Engineer
San Mateo or Foster City
$85k-$100k/yr HybridFull Time
PTC
PTCNASDAQ: PTC: Provides industrial software for design, manufacturing, and service operations.
0+ YOEUS citizenship required; commute to San Mateo office 2-3 days weekly; 0-2 years web app development; HTML, CSS, JavaScript; React preferred; basic QA; SQL.
HTML, CSS, JavaScript, React, SQL
2mo
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Delling Lab - Junior Specialist
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 four years research experience; basic lab skills, molecular biology (PCR, DNA isolation, gels), mouse colony work, and lab management; ability to follow protocols accurately.
2w
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Junior Content Developer
San Francisco, California, United States
$75k-$85k/yr RemoteFull Time
Prisms VR
Prisms VR: Immersive VR platform for K-12 STEM education.
Bachelor's in a STEM field, proven instructional/interactive design experience, strong written/verbal communication, spatial thinking, time management, and ability to work across EST/PST time zones.
Pico, Quest, Jira
1mo
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Frontend Developer (React) Junior/Mid
San Francisco, California, United States
RemoteFull Time
CareerSwift
CareerSwift: AI-powered recruitment and job search automation platform
3+ YOERequires 3+ years with React, JavaScript/TypeScript, modern CSS frameworks, and REST/GraphQL API integration; experience optimizing UI performance and collaborating with designers/backend engineers.
React, JavaScript, TypeScript, REST, GraphQL, CSS
2mo
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Junior Research Assistant
Santa Clara, California, United States
$25/hr OnsitePart Time
Santa Clara University
Santa Clara University: Private Jesuit university in Silicon Valley providing diverse education.
0+ YOEBachelor’s in chemistry, biochemistry or closely related field; 0-3 years laboratory research experience; able to work in a chemistry lab; good writing and data analysis skills.
NMR, IR, UV-Vis, Schlenk line, glovebox, rotary evaporator, balances, vacuum pump, hot plates
3w
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Junior Solutions Engineer - SMB, Ads
San Jose, California, United States
$123k-$256k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
1+ YOEBachelor's in CS or related,1+ years shipping production code,knowledge of API and backend design,proficiency in Python/Go/Java/C/C++,strong communication and stakeholder collaboration skills.
Python, Go, Java, C/C++, API
1mo
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Junior Construction Engineer
Concord, California, United States
$73k-$94k/yr OnsiteFull Time
UNICO Engineering
UNICO Engineering: A consulting firm providing construction management, land surveying, and systems integration services to public and private clients.
2+ YOEBS in Construction/Civil/Structural or equivalent experience; prefer 2-3 years construction management or 4 years construction engineering experience; EIT preferred; strong verbal/written communication and teamwork skills.
4d
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Junior Test Engineer
San Jose, California, United States
$70k-$85k/yr OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
1+ YOEBachelor's degree in a related field, familiarity with Linux and Python, ATE and test interface experience, 1+ year test engineering experience preferred, strong communication and engineering change control knowledge.
Linux, Python, ATE Products, Test Interface Units, Microsoft Office
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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
3w
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Junior Quality Engineer
San Jose, California, United States
$28-$33/hr OnsiteFull Time
Foxconn Assembly
Foxconn AssemblyTaiwan Stock Exchange: 2317: Assembles electronics and computer hardware for global technology brands.
0+ YOEBachelor's in an engineering field, 0–2 years quality or manufacturing experience, knowledge of SMT/PCBA, familiarity with quality tools (5-Why, 8D, FMEA, SPC), strong communication and problem-solving skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Minitab
1w
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Junior Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
American Turbines: A seed-stage designing small modular gas turbines for distributed power generation and scalable manufacturing.
0+ YOEDegree in mechanical engineering or equivalent hands-on background, 0–3 years experience, SolidWorks or NX proficiency, GD&T knowledge, materials selection, and fabrication methods; hands-on build and shop experience.
SolidWorks, NX
3w
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Developer Support Engineer
San Francisco, California, United States
$157k-$205k/yr HybridFull Time
Braintrust: Platform for evaluating and monitoring AI model performance.
1+ YOE1+ year supporting developer-facing products, ability to read/debug Python or TypeScript, API/SDK troubleshooting, on-call participation, strong communication and problem-solving skills.
Python, TypeScript, Slack, OpenAI, Anthropic, Terraform, Kubernetes
3w
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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
1mo
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Salesforce Developer
Pleasanton, California, United States
$162k-$195k/yr HybridFull Time
Workday
Workday: A provider of enterprise software and cloud applications that enables organizations to manage people and finances.
2+ YOEMaster's in IT/MIS/CS and 2 years experience in Salesforce development including Apex, Lightning, JavaScript, Aura and LWC; experience with RDBMS and OOP.
Salesforce, Salesforce Lightning, Apex, JavaScript, Aura Web Component, Lightning Web Component, Lightning Design System, Lightning App Builder, Sandbox
4w
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Junior Mechanical CAD Engineer / Designer
San Jose, California, United States
OnsiteFull Time
Equal1
Equal1: A developing cryogenic coolers and system integration for precision engineering applications.
Master's in Mechanical Engineering, strong 3D CAD and CAM knowledge (NX or Onshape a plus), understanding of CNC and metal production processes, hands-on assembly experience, and materials/process knowledge.
NX, Onshape, CAM
1mo
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Software Engineer, Developer Success
San Francisco or California
$160k-$180k/yr OnsiteFull Time
Discord
Discord: A platform providing voice, video, and text communication services.
1+ YOE1+ years as a software engineer, game development experience preferred, familiarity with Python, Elixir, Rust, TypeScript/React, or C++; product sense, collaboration skills, and comfort learning new languages.
Python, Elixir, Rust, TypeScript, React, C++, Unreal, Unity
5d
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MuleSoft Developer
San Leandro, California, United States
$78k-$95k/yr OnsiteFull Time
Peterson Holding
Peterson Holding: Sells Caterpillar equipment and construction technology solutions.
0.5+ YOEDevelop, test, and support MuleSoft integrations; experience with Java/JavaScript, SQL/SOQL, REST/JSON/XML, troubleshooting, and following CI/CD practices. MuleSoft cert required.
Java, JavaScript, SQL, SOQL, JSON, XML, REST, MuleSoft Anypoint Platform, Anypoint Studio, DataWeave, API Manager, Exchange, Runtime Manager, Git, Azure DevOps, CI/CD, APEX
1mo
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Junior Product Design Engineer
San Jose, California, United States
OnsiteFull Time
Lithium Power
Lithium Power: Custom-designed lithium battery and energy storage solutions.
3+ YOEB.S. in Mechanical Engineering or technical diploma with equivalent experience, 3+ years mechanical design, 3D CAD proficiency, 2D drawing and GD&T knowledge, fabrication/manufacturing understanding, and strong communication.
SolidWorks, Inventor, NX, CATIA, ANSYS, Abaqus, LS-DYNA
1mo
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Electrical Engineer - Entry to Junior Level
Oakland or Walnut Creek
$45-$60/hr OnsiteFull Time
Moffatt & Nichol
Moffatt & Nichol: Designs and plans marine, coastal, and transportation infrastructure facilities.
2+ YOEBachelor's in Electrical Engineering required, 2+ years related experience (or Master's + entry experience). Proficiency with AutoCAD/Revit, design of power, lighting, grounding, and arc flash studies. Background check required.
AutoCAD, Revit
1mo
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Junior AI Silicon, Digital Design Engineer
Palo Alto, California, United States
OnsiteFull Time
Unconventional
Unconventional: Developing novel computing hardware for efficient AI acceleration.
4+ YOEB.S./M.S. in EE/Computer Engineering, 4+ years ASIC/SoC digital design experience, Verilog/SystemVerilog RTL development, synthesis/timing and CDC/Lint/LEC familiarity, EDA tool experience, strong communication.
Verilog, SystemVerilog, UVM, Logic Equivalence Checking (LEC), EDA tools, logic analyzer, oscilloscope