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Junior Python Developer Jobs in Sebastopol, CA, US
150+ junior python developer jobs from 93 companies hiring in Sebastopol, CA, US.
1mo
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Senior Python Engineer
San Francisco or Canada
$126k-$248k/yr HybridFull Time
Proven Python software development experience; experience with AI/ML frameworks in Python; open source contributions preferred; strong communication and mentoring skills.
Python, AI/ML frameworks, Web development frameworks, Open source tooling
1d
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Junior Backend Engineer
San Francisco, California, United States
$120k-$145k/yr HybridFull Time
3+ YOE1-3 years backend experience, Python, API development, scalable data handling, AI/ML integration, security/compliance (KYC/KYB), clean maintainable code.
Python, REST APIs, Knowledge graphs, LLMs, RLHF, LoRA
1w
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Junior Security Operations Engineer
Dublin or Amsterdam or San Francisco or Denver
RemoteFull Time, Contract
2+ YOEJunior SecOps role focusing on vulnerability management, AI-assisted tooling, and incident response; includes bug bounty triage, SIEM/EDR/DLP usage, and scripting for automation.
SIEM, EDR, DLP, Python, Bash, LLM tooling, Bug bounty platforms
3w
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Junior Coastal Engineer
San Francisco or Oakland or Sacramento or Petaluma
$85k-$100k/yr HybridFull Time
0+ YOEBachelor’s in Civil/Environmental Engineering or related field; 0-3 years’ experience; EIT or ability to obtain within 1 year; coastal/restoration experience desirable; proficiency in design/modeling software preferred; strong communication; ability to work in hybrid office settings.
AutoCAD Civil 3D, ArcGIS, HEC RAS, HEC HMS, XBeach, SWAN, MATLAB, Python
5d
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Junior Research Scientist
San Francisco, California, United States
$150k-$230k/yr OnsiteFull Time
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
1w
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Software Engineer
San Francisco, California, United States
$100k-$139k/yr OnsiteFull Time
Sofar Ocean: A startup focused on weather routing for the maritime transport sector.
Product-driven software engineer to design, develop, and maintain services in the Wayfinder Optimization Engine; Rust and Python; early in career.
Rust, Python, C, C++
2mo
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Backend Engineer (Early Career)
San Francisco, California, United States
HybridFull Time
2+ YOE2-3 years backend development; Python/Go/Java/C++ or similar; SQL & NoSQL; cloud services (AWS/GCP); AI/ML interest; strong collaboration; growth mindset.
Python, Go, Java, C++, SQL, NoSQL, AWS, GCP, API design
2mo
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Software Engineer I, Monetization ML
San Francisco or Seattle
$111k-$160k/yr OnsiteFull Time
1+ YOE1+ years in software development; production ML infra experience; Python/Java/Go; APIs and streaming data; data pipelines; Bachelor's in CS/Engineering or equivalent
Python, Java, Go, Flink, Kafka, Airflow, AWS, DynamoDB, Lambda, SQS, Step Functions
15h
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Software Engineer
San Francisco, California, United States
$164k-$230k/yr RemoteFull Time
1+ YOEBachelor's degree in CS/Engineering and 1 year of experience; Kubernetes, Kafka, Argo, MySQL, Grafana, Python, JavaScript, Go, Redis, Git.
Kubernetes, Kafka, Argo, MySQL, Grafana, Python, JavaScript, Go, Redis, Git
4w
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Junior Crowd Technical Director
San Francisco, California, United States
$68k-$87k/yr HybridFull Time
2+ YOE2+ years VFX experience or 3+ years professional VFX; strong Houdini, Linux; problem solving; teamwork; ability to meet deadlines.
Houdini, Linux, Maya, Python, VEX
2mo
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Software Engineer - Data Engineering
San Francisco or Los Angeles
$140k-$220k/yr HybridFull Time
1+ YOE1-2 years of software/data engineering; Python and SQL; building data pipelines; data modeling; real-time data handling.
Python, SQL, Kafka, Spark Streaming, Flink, Palantir Foundry, Azure, AWS, GCP, Docker, Kubernetes, NoSQL databases
1w
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Software Engineer, New Grad (AI)
San Francisco, California, United States
$126k-$146k/yr HybridFull Time
0+ YOEPursuing CS/engineering degree; full-time start; prior internship; proficiency in TypeScript, React, Python.
React, TypeScript, Python, Node.js, Postgres
1d
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Software Development Engineer I
Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$37-$59/hr HybridFull Time
1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.
Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript
2mo
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New Grad Product Engineer
San Francisco, California, United States
OnsiteFull Time
0+ YOENew grad or recent CS graduate; proficient in TypeScript, Python, React; able to ship production code; experience with AI/ML or LLM APIs is a plus.
TypeScript, Python, React, LLM APIs, AI frameworks
1mo
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Intern, Software Engineer - Perception
San Francisco, California, United States
$45/hr HybridInternship
Pursuing a Master’s or PhD in CS or related field; strong Python and C++; detail-oriented, curious, good communicator, collaborative.
Python, C++, Git
1mo
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Software Engineer - Solutions
San Francisco or Illinois or New York or West Virginia
$70k-$110k/yr HybridFull Time
0+ YOEBachelor's degree in a technical field; hands-on web or mobile development; proficiency in at least one language; knowledge of databases and web tech; HIPAA awareness preferred.
Java, Python, C++, JavaScript, TypeScript, Git
1w
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Software Engineer - Product (New Grad)
San Francisco, California, United States
$130k-$150k/yr OnsiteFull Time
Experience with React, Next.js, Tailwind CSS, Python; shipped production code; strong frontend and backend understanding; examples of live projects.
React, Next.js, Tailwind CSS, Python
1mo
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Product Engineer Intern
San Francisco, California, United States
$30-$50/hr OnsiteInternship
2+ YOEInternship for a product engineer to ship consumer experiences with AI integration; experience shipping consumer products; strong TS/Python; frontend/backend; AI pipelines.
TypeScript, Python, React, Next.js, Node, NestJS, FastAPI, Redis, MongoDB, LangGraph, LangChain
4d
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Software Engineer — Summer Intern
Redwood City or San Francisco
HybridInternship
Pursuing BS/MS/PhD in CS; available for 12+ weeks; Python/JavaScript proficiency; experience on large projects; strong technical communication.
Python, JavaScript
1mo
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Intern, Mission Optimization Engineer
San Francisco, California, United States
$37-$60/hr OnsiteFull Time
0+ YOEInternship in an engineering or computer science program; strong Python skills; data analysis mindset; proactive, team-oriented; able to work in SF office.
Python, Git, GitLab, Docker, Jenkins, Bash, Linux, CI/CD, Sentry, Datadog
2mo
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Software Engineer Intern
San Francisco or Los Angeles or New York City
$35-$45/hr HybridInternship
0+ YOEPursuing CS degree, 2+ years of college, Python, SQL, math and stats, AI/ML project experience, 10-week commitment, able to work independently.
Python, SQL, MySQL, PostgreSQL, AI/ML tools
3w
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Software Developer in Test, Find My
Cupertino or San Francisco Bay Area
OnsiteFull Time
1+ YOE1+ years Quality Engineering; programming in Swift/SwiftUI, Java, Python, or JavaScript; API automation; debugging; experience with Apple devices; BS in Computer Science or equivalent
Swift, SwiftUI, Java, Python, JavaScript, XCTest, XCUI, API Automation
1mo
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Deep Learning Software Engineer, TensorRT Performance - New College Grad 2026
Santa Clara or Remote
$124k-$196k/yr OnsiteFull Time
2+ YOE2 years of software development; strong C/C++, Python; DL frameworks experience; performance optimization.
CUDA, TensorRT, PyTorch, TorchDynamo, TorchInductor, CuTeDSL, Cutlass, Triton, JAX, TensorFlow, vLLM, SGLang, Torch-TensorRT
1mo
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Research Engineer, Electrical
San Francisco, California, United States
$150k-$165k/yr HybridFull Time
2+ YOEMS in Electrical Engineering with 2+ years of relevant industry experience; strong fundamentals in electromagnetics, signal processing, or circuits; hands-on hardware validation and data analysis; proficient in Python and MATLAB; strong technical communication.
Python, MATLAB, lab instrumentation, DAQ, Oscilloscope
1d
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Software Engineer Intern
San Francisco, California, United States
$30/hr HybridInternship
0+ YOEPursuing a Bachelor's or Master's in Computer Science, Data Engineering, IT or related field; basic data structures/algorithms; Python/Java/Scala; SQL; experience with MySQL/PostgreSQL/NoSQL; cloud platforms (AWS/Azure/Google Cloud) a plus; strong problem solving and communication.
Python, Java, Scala, SQL, MySQL, PostgreSQL, NoSQL, AWS, Azure, Google Cloud
1mo
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Software Engineer Associate
Tiburon, California, United States
$75k-$83k/yr OnsiteFull Time
0+ YOEBS in Computer Science or relevant work experience; proficiency in C#, Java, Javascript, Golang, Python, and CSS; US work authorization without employer sponsorship.
1mo
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2026 Intern - Machine Learning Engineer
San Jose or San Francisco
$45-$55/hr HybridFull Time
Pursuing BS/MS/PhD in CS/CE or related field; strong ML, Python/Java/C; familiar with R/Matlab; able to work May–September; team player with good communication.
Python, Java, C, R, Matlab, scikit-learn
1mo
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Software Engineer Intern - Data Platform (Summer 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Pursuing a B.S. or M.S. in Computer Science; strong Python; databases; API design; willingness to apply even if not all criteria met.
Python, PostgreSQL, Time-series databases, REST, gRPC, Protocol Buffers, Kubernetes
2mo
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Software Engineer Intern (ML Ops / Compute Migration)
San Francisco, California, United States
$45-$60/hr OnsiteInternship
0+ YOEExperience with modern C++ and Python; cloud environments; ML/AI familiarity; strong communication; pursuing a degree in CS/Data Science/Math/Engineering.
C++, Python, AWS, GCP, Azure, GenAI, ML Ops
2w
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Intern, Software Development Engineer in Test
San Francisco, California, United States
OnsiteInternship, Full Time
Hands-on test strategy, test planning, design, and execution for functional, integration, and PSR testing; experience with robustness testing tools like JMeter; Python and/or Java; cloud test environments (GCP, AWS); agile team experience.
Python, Java, JMeter, Google Cloud Platform, Amazon Web Services
2w
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Software Engineer
New York City or San Francisco or United States
$140k-$200k/yr HybridFull Time
1+ YOE1 year software engineering experience; Bachelor's in CS; experience building scalable systems; able to work cross-functionally; legal to work in the U.S.
Python, React, Docker, Kubernetes, Google Cloud Platform
1mo
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Agent Dev Engineer (Full-Time/Intern)
San Francisco, California, United States
OnsiteFull Time, Internship
Proficient in Python; strong experience with LLM ecosystems, frameworks like LangChain/AutoGen; expert in prompt engineering; full-stack capability; problem solving; experience with RAG/vector databases; internship or GitHub AI projects valued.
Python, LangChain, LangGraph, AutoGen, FastAPI, Node.js, OpenAI API, Claude, Vector Databases, APIs
1w
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Software Engineer
Milpitas or San Jose or San Francisco
$105k-$133k/yr HybridFull Time
Bachelor's degree with 0 years of experience; basic knowledge of technical theories; internship or coursework exposure; willing to work in a hybrid environment.
Java, C/C++, Python
1mo
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Software Engineer
San Francisco, California, United States
$140k-$170k/yr OnsiteFull Time
Strong Next.js and TypeScript skills; backend experience with APIs and databases; experience integrating AI tools; open-source mindset; ability to read unfamiliar code and ship features.
Next.js, TypeScript, React, Python, Rust, Go, PostgreSQL, AWS, Vercel, OpenAI, Anthropic, OpenRouter
1mo
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Product Engineer
San Francisco, California, United States
$100k-$200k/yr RemoteFull Time
Strong product sense; experience with software engineering; familiarity with LLMs and agentic workflows; remote work ability.
TypeScript, NestJS, React, PostgreSQL, Redis, Python, Kafka, AWS, Kubernetes, FluxCD
1mo
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Data Engineer Intern
San Francisco, California, United States
OnsiteAll Commitments Available
0+ YOEBachelor’s degree in analytics, statistics, engineering, math, economics, science or related field; cloud data experience; strong SQL/ETL; data quality.
AWS, Kubernetes, Airflow, Redshift, EMR, EventBridge, Kinesis, AWS Lambda, S3, Glue, Jira, GitHub, Docker, CodeFresh, Terraform, PySpark, Python
1mo
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Founding Software Engineer - TruTec
Austin or San Francisco
OnsiteFull Time
FoundingSoftwareEngineer with autonomous execution, strong technical foundation, and startup mindset.
Python, JavaScript, TypeScript, Git
1mo
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Software Engineer (New Grad Program)
San Francisco or New York City
$65/hr OnsiteInternship
Recent computer science or related degree graduate; strong programming skills; able to work in-person in SF or NYC for 12 weeks; good collaboration and communication.
Java, Python, JavaScript, SQL
5d
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Software Engineer, Airbnb - New Grad
San Francisco or Seattle
$128k-$142k/yr OnsiteFull Time
0+ YOERecent graduate with less than 1 year of professional experience; strong CS fundamentals; proficiency in multiple languages; interest in AI/ML; relocation to SF or Seattle possible.
Java, Scala, Ruby, Ruby on Rails, C++, SQL, HTML, CSS, JavaScript, Objective-C, Swift, Kotlin, Python, NumPy, scikit-learn, PyTorch
1w
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R&D Test Software Engineer
Santa Rosa, California, United States
$123k-$148k/yr OnsiteFull Time
0+ YOEBachelor’s in CS/EE, internship/project in test software, Python (preferred), OpenTap/C#/similar acceptable, test equipment familiarity, electronics basics, data analysis (pandas/NumPy), strong problem solving and communication.
Python, OpenTap, C#, PyVISA, nidaqmx, Pandas, NumPy
HiringCafe market data
Junior Python Developer Jobs market signals in Sebastopol, CA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
150+
Hiring companies
93
Fresh sample
46% new in 30d
Salary visibility
72% show pay
Companies appearing in this market
AppleAstranisCiscoHayden AINotionTatariAdobeTwitch
Work location mix in visible results
Hybrid: 27Onsite: 27Remote: 3