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Junior Python Developer Jobs in Vallejo, CA, US
280+ junior python developer jobs from 160+ companies hiring in Vallejo, 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
1mo
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Junior Software Developer
Burlingame, California, United States
$95k-$125k/yr OnsiteFull Time
Proficiency in C/C++, Bash, Python; knowledge of SPI, I2C, UART; experience with hardware interaction and embedded testing preferred.
C/C++, Bash, Python, SPI, I2C, UART
17h
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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
1w
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Junior Engineer (Workforce Programs-Limited Term)
Oakland, California, United States
$10k-$12k/mo OnsiteTemporary
0+ YOEEntry-level engineer with knowledge of water systems, data analysis, and programming; familiarity with modeling and new technologies; handles field and office studies.
Python, R, MATLAB, SQL
4d
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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
2mo
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Software Engineer
Menlo Park, California, United States
OnsiteFull Time
1+ YOE1+ year full-stack development; Python, TypeScript, React; API design; on-site in Menlo Park; collaboration.
Python, TypeScript, React, API design, CI/CD, AWS, GCP
6d
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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
3w
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Software Engineer III
San Ramon, California, United States
$104k-$153k/yr RemoteFull Time
6+ YOE5+ years cloud, DevOps, and software engineering experience; hands-on with Python/Java/SQL, AWS/Azure, CI/CD, IaC, and platform reliability; able to mentor and lead junior engineers.
Python, Spark, Java, SQL, Shell Scripting, Jenkins, Git, AWS, Azure, Jira, ServiceNow, Autosys, Glue, Jupyter Notebook, Oracle, PostgreSQL, SQL Server, Linux, Windows
1mo
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Software Engineer
Oakland, California, United States
$100k-$130k/yr HybridFull Time
0+ YOEProficient in Python; experience with Rust, C++, or Go; ML concepts; multi-language projects.
Python, Rust, C++, Go, Machine Learning, Signal Processing, Time Series Data Processing
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
1mo
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Staff Software Engineer - Forge
Bellevue or Menlo Park
$236k-$339k/yr OnsiteFull Time
7+ YOE7+ years in software engineering, building tools for large codebases; AI-first platform focus; Go/Java/Python proficiency; strong CS fundamentals; on-site collaboration; mentor junior engineers.
Go, Java, Python, Distributed systems, AI / LLM-based tooling
1d
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Software Engineer II
Pleasanton, California, United States
$82k-$141k/yr OnsiteFull Time
1+ YOEBachelor’s or master’s degree in computer science, data science, information systems, or related field; up to 1 year or more software development or data engineering experience; SQL knowledge; programming languages including Python, Java, C++, plus Git basics.
SQL, PostgreSQL, MySQL, SQL Server, Oracle, Git, GitHub, Python, Java, C++
3w
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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
3w
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Frontend Engineer
Menlo Park, California, United States
$115k-$145k/yr OnsiteFull Time
1+ YOE1+ years software engineering; strong JS/TS and Python; React knowledge; experience with web APIs and CSS; on-site in Menlo Park; passionate about building secure, scalable frontend systems.
TypeScript, JavaScript, Python, Google Cloud, Cloudflare Workers, serverless, React, Tailwind, CSS, DOM
1mo
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Software Engineer - Cloud
San Mateo, California, United States
$107k-$161k/yr HybridFull Time
1+ YOE1 year software engineering experience; proficient in Java, Golang, Node.js, or Python; knowledge of REST/gRPC; Linux/containerization; cloud experience (AWS, GCP, or Azure).
Kubernetes, AWS, Docker, Git, Java, Golang, Node.js, Python, REST, gRPC, Terraform
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
1mo
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Product Engineer I
Fremont, California, United States
$85k-$92k/yr OnsiteFull Time
1+ YOEBS or MS in STEM; 1+ year troubleshooting complex systems; Bash/Python; Linux; strong communication; travel up to 20%.
Bash, Python, Linux, Jira
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
2mo
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Software Engineer I
Pleasanton, California, United States
$74k-$116k/yr OnsiteFull Time
1+ YOEBachelor’s or master’s in computer science or related field; up to 1 year experience; SQL queries; Python/Java/C++ programming; version control.
SQL, Python, Java, C++, Git
5d
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Guidance, Navigation & Control (GNC)/Flight Dynamics Software Developer
Livermore, California, United States
$146k-$223k/yr HybridFull Time
Develop Python-based tools for GNC/flight dynamics, solve numerical modeling problems, collaborate across teams; security clearance is required.
Python, C, C++, FORTRAN, CasADi, Pyomo, IPOPT, SNOPT, GPOPS-II, Dymos, AFSIM, STK, OTIS
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
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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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
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
3d
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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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Early Product Engineer - US
San Mateo, California, United States
$150k-$250k/yr HybridFull Time
2+ YOE2-4 years of production web application experience; proficient with TypeScript/React/Next.js; backend experience (Node, Python); comfortable with data-intensive, distributed systems; eager to own problems end-to-end.
TypeScript, React, Next.js, Node.js, Python, Flask
4d
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Software Engineer, New Grad
San Mateo, California, United States
$110k-$135k/yr OnsiteFull Time
0+ YOEBachelor's or advanced degree in computer science; excellent programming skills; analytical problem solving; ability to work with diverse teams; knowledge of Unix, Python, Java, SQL, or JavaScript a plus; passion for education technology.
Linux, Apache, Java, Scala, Python, Oracle, Swift, JavaScript, React, D3, ES6, SQL
1mo
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New Graduate Engineer, Software (Starlink)
Sunnyvale, California, United States
$135k-$155k/yr OnsiteFull Time
SpaceX: Designs, manufactures, and launches advanced rockets and spacecraft.
0+ YOEBachelor's degree in CS/engineering/math or related field; strong programming in C/C++, Python, C#; graduating 2026; internship/ops experience OK.
C, C++, Python, C#
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
5d
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Machine Learning Engineer - 1
San Mateo, California, United States
HybridFull Time
0+ YOE0-2 years in ML/AI; Bachelor's or Master's in CS/engineering; solid ML fundamentals; DL; NLP or search; Python; PyTorch or TensorFlow; Git; shipping mindset.
Python, NumPy, Pandas, scikit-learn, PyTorch, TensorFlow, LLMs/Copilot
6d
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Software Engineer Intern - Kernels
Burlingame, California, United States
OnsiteAll Commitments Available
0+ YOEPursuing CS/EE degree; strong C/C++ and Python; understanding of computer architecture; problem solving; clear communication.
C, C++, Python, CUDA, DSP, NEON, Triton
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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Software Engineer, Perception (Intern) - Summer 2026
South San Francisco, California, United States
$40-$60/hr HybridInternship
Pursuing or holding a Master’s degree or higher in Robotics, CS, EE, Mathematics, Physics; strong CS/CV/ML skills; proficient in C++ and Python; experience with PyTorch/TensorRT; Linux; ROS2; good communication.
Python, C++, PyTorch, TensorRT, Linux, ROS2
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
HiringCafe market data
Junior Python Developer Jobs market signals in Vallejo, 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
280+
Hiring companies
160+
Fresh sample
42% new in 30d
Salary visibility
79% show pay
Companies appearing in this market
AbbottAppleLawrence Livermore National LaboratoryHayden AINotionRobert HalfTatariGuidewire
Work location mix in visible results
Hybrid: 30Onsite: 28Remote: 4