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4,092 junior developer jobs at 1,451 companies in Berkeley, CA

3mo
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Software Engineer - Junior
San Francisco, California, United States
OnsiteFull Time
Unlimited
Unlimited: Automates design and construction of large-scale physical infrastructure.
0+ YOEJunior software engineer with interest in AI and on-site role in San Francisco.
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2mo
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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
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1mo
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Junior Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$98k-$165k/yr RemoteFull Time
Ashby: Provides all-in-one recruiting software for high-growth businesses.
0+ YOEDesign and implement UI/UX and production-quality code; proficiency with TypeScript, React, CSS; familiarity with backend technologies (Node.js, GraphQL, Postgres, Redis); strong visual design and product thinking. Junior applicants: 0–2 years industry experience.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
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1mo
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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.
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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
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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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1mo
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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
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1w
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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
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2w
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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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4w
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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.
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1w
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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
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1w
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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
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2mo
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Software Engineer Intern Fall 2026/Winter 2027
San Mateo, California, United States
$47-$58/hr OnsiteInternship
Skydio
Skydio: Develops autonomous AI drones for defense and industrial inspection.
Internship seeking a junior/senior/masters student with software/web development experience; proficient in Python, Golang, or JavaScript/TypeScript; familiar with REST APIs, Linux, databases, and cloud services.
Python, Go, JavaScript, TypeScript, REST, Linux, PostgreSQL, MySQL, Redis, Memcached, AWS, GCP, Azure
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6d
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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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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
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3mo
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Junior Applied AI Engineer- HRIS
Sunnyvale, California, United States
$105k-$140k/yr HybridFull Time
Fortinet
FortinetNASDAQ: FTNT: Develops and sells cybersecurity software and network security appliances.
0+ YOEBachelor's in CS/DS/AI; 0–2 years in AI/ML or software; understanding of LLMs; ML concepts; Python; SQL/NoSQL; REST APIs; strong problem-solving and teamwork.
Python, TensorFlow, PyTorch, scikit-learn, SQL, NoSQL, REST APIs
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2w
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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
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1w
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Software Developer
Palo Alto, California, United States
$149k/yr OnsiteFull Time
Sciton
Sciton: Develops medical laser systems and embedded control software.
1+ YOEBachelor's in CS/EE or related and 1 year experience developing embedded or industrial control software; experience with low-level I/O, schematics, hardware-software integration, and post-production support.
Timers, ADC/DAC, Serial Communication (RS-232/RS-485), Ethernet/IP
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2w
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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
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3mo
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Junior Member of Technical Staff - System Modeling
Palo Alto or Remote
HybridFull Time
Unconventional
Unconventional: Developing novel computing hardware for efficient AI acceleration.
0+ YOEBS/MS/PhD in CS/EE; strong C++ and Python; basic AI/ML framework familiarity; solid math; curiosity to challenge software norms.
C++, Python, PyTorch, CUDA, LLVM, MLIR, Triton
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