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Junior Python Developer Jobs in Bloomington, CA, US
100+ junior python developer jobs from 61 companies hiring in Bloomington, CA, US.
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Junior Researcher - Plasma Diagnostics
Foothill Ranch, California, United States
$30-$35/hr OnsiteFull Time
1+ YOEEntry-level plasma diagnostics role requiring hands-on lab experience (>1 year) and ability to design/perform experiments; strong Python and visualization skills; BS in Physics or Engineering.
Python, Multimeters, Oscilloscopes, Function Generators, DAQs, IDL, MATLAB, SQL, C++
2w
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Software Engineer–Developer (Associate/Experienced)
Seal Beach, California, United States
$106k-$183k/yr OnsiteFull Time
1+ YOE1+ years C/C++ or Java/Python development; 1+ years software development on Windows or Linux; 1+ years with relational databases; 1+ years in Agile environments; Active TS/SCI clearance.
C/C++, Java, Python, Windows, Linux, Relational Databases, SQL-Server, Oracle, Teradata, Jira, Confluence, Bitbucket
2mo
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Software Engineer Intern
Los Angeles, California, United States
OnsiteFull Time
Pursuing a bachelor’s in CS/Software Engineering; strong CS fundamentals; proficiency in Python, C/C++, or Rust; Git; good communication; junior or senior standing.
Python, C/C++, Rust, Git, AWS, GCP, Azure, Docker, CI/CD, Infrastructure as Code
1mo
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Software Development Engineer
Edwards, California, United States
$22-$25/hr OnsiteTemporary
0+ YOEBachelor's degree in CS/Software Engineering/Aerospace; 0-2 years software development; languages include C, C++, Python, MATLAB/Simulink; US citizenship; ability to obtain security clearance.
C, C++, Python, MATLAB/Simulink
1mo
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Product Engineer II – Reality Mapping
Redlands, California, United States
$77k-$129k/yr OnsiteFull Time
2+ YOE2+ years in GIS/remote sensing or photogrammetry; knowledge of photogrammetry; UI/DevOps test automation; Python/JavaScript/C# development; BA/BSc in GIS, geography, engineering, CS, math, or related field.
JMeter, Selenium, Robot Framework, Python, JavaScript, C#, Jenkins, GitHub Actions
1mo
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Firmware Engineer
Westlake Village or Santa Clara
$87k-$129k/yr OnsiteFull Time
2+ YOEBachelor in Computer Engineering or CS; 0-2 yrs; ARM/RISC-V; C and Python; RTOS basics; embedded drivers; SPI/I2C/UART; schematics; Git/IDEs; Doxygen; English; multitasking.
ARM architecture, RISC-V, C, Python, Git, IDEs, Make, Doxygen, RTOS, SPI, I2C, MDIO, UART, Schematic reading
1w
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Software Engineer I
Irvine, California, United States
$89k-$133k/yr HybridFull Time
Software engineer with React, Python, AWS; design and build cloud-native, scalable systems in Agile teams.
React, Python, GraphQL, Node.js, JavaScript, TypeScript, AWS, Docker, Terraform, SQL, PostgreSQL, S3, GitHub Actions, CI/CD, API
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
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
1w
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Software Engineer - Full Stack
Irvine, California, United States
$120k-$140k/yr HybridFull Time
0+ YOE0-3 years of professional software engineering; strong Python or similar languages; REST APIs; SQL; Git; CI/CD; testing frameworks.
Python, REST APIs, SQL, Git, CI/CD, pytest, Jest, Selenium, Playwright, React, TypeScript, HTML, CSS, Docker, Kubernetes, AWS, GCP, Azure, FastAPI, asyncio
3mo
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Software Test Engineer
Los Angeles, California, United States
OnsiteFull Time
Bachelor's in CS/EE; strong Python/C/C++; testing across Windows/Linux/MacOS/Android; networking basics; US citizenship; background check required.
Python, C/C++, Wireshark, TCPDump, Putty, Minicom
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
1d
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Salesforce Developer Engineer Intern
Costa Mesa, California, United States
OnsiteInternship
0+ YOEInternship requiring CS focus, programming skills, and fast learner; 40 hrs/wk; onsite in Costa Mesa.
Java, JavaScript, Python, Salesforce
1w
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Jr. Front-End Developer (2800)
Orange, California, United States
$67k-$75k/yr HybridFull Time
2+ YOE1-2 years front-end experience; HTML, CSS, Next.js; JavaScript frameworks (React/Vue/jQuery/ES6); CMS (Contentful, WordPress); Git; cloud exposure (Azure/AWS/GCP) preferred; basic back-end knowledge (PHP/Python/Node.js); strong communication and teamwork.
HTML, CSS, Sass, Less, Next.js, JavaScript, React, Vue, jQuery, ES6, Git, GitHub, Contentful, WordPress, Webpack, NPM, Azure, PHP, Python, Node.js, SQL, APIs
2mo
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Research Engineer Intern
Bellevue or Los Angeles
OnsiteFull Time, Internship
PhD student in computer science or a related field; strong Python and ML framework experience; knowledge of distributed data processing and cloud platforms; able to contribute to large-scale ML research.
Python, PyTorch, TensorFlow, Keras, JAX, NumPy, Apache Spark, Apache Beam, GCP, AWS
2mo
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Web Interface Software Engineer
Los Angeles, California, United States
$43-$57/hr HybridFull Time
1+ YOEBachelor’s in Electrical Engineering, Computer Science, or Computer Engineering; 1 year JS/HTML/Python; web UI; U.S. person; background check and drug test required.
JavaScript, HTML, Python, C
1w
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WSoC RF Test Automation Engineer
Los Angeles or San Francisco or San Diego or Waltham
OnsiteFull Time
Bachelor's degree required; experience in test automation, firmware/software regression, and RF/SOC hardware environments; strong scripting (Python) and C/C++ skills; familiarity with lab equipment and data tooling.
Python, C/C++, SCPI, Git, CI/CD, SPI, I2C, JTAG, Lab Equipment, Signal Generator, Signal Analyzer, Spectrum Analyzer
3w
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Systems Development Engineer I (Advanced Robotics & AI Systems)
Diamond Bar, California, United States
$82k-$119k/yr OnsiteFull Time
0+ YOE0-2 years in systems development, data science or related fields; 3-5 years preferred in similar roles; bachelor’s in CS/automation or related field; master’s preferred.
Python, SQL, R, NumPy, Pandas, Matlab, ROS, ROS2, Gazebo, Machine Learning, Edge Computing, Edge AI
2mo
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Forward Deployed Software Engineer Internship
Irvine, California, United States
$250-$625/hr OnsiteMultiple Commitments Available
Part-time internship for a student; strong programming skills across Python/Java/C++/TypeScript; collaboration with technical and non-technical stakeholders; able to work independently and 10-25 hrs per week.
Python, Java, C++, TypeScript/JavaScript, Cloud, Front-end frameworks
2mo
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Software Engineer II
Irvine, California, United States
$32-$54/hr HybridFull Time
3+ YOE0–3 years in software engineering; strong C/C++, Linux, web tech; Agile/Scrum; REST APIs; CI/CD; sockets; travel up to 20%
C++, Linux, PHP, Python, JavaScript, C/C++, Git, CI/CD, REST APIs, HTML, CSS, React, SaaS
4d
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Software Engineer Intern - AI
Santa Ana, California, United States
$19/hr OnsiteInternship
Enrolled in associate or bachelor's program; basic programming skills; 20 hours/week; GPA 3.0+; Winter 2026 graduation or later; strong teamwork and communication
Python, Java, C#
1mo
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Mechanical Engineer (HVAC - Intern)
Los Angeles, California, United States
OnsiteInternship
0+ YOEPursuing a Bachelor’s in Mechanical Engineering; junior/senior preferred. Coursework in HVAC design, heat transfer, thermodynamics, and fluid dynamics. Familiar with Revit/AutoCAD; interest in energy analysis, BIM, coding, and design tools. Collaborative communicator.
Revit, AutoCAD, IES, BIM, Dynamo, Grasshopper, Python, C#
1mo
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Senior Test Engineer
Brea or San Francisco
$84k-$162k/yr HybridFull Time, Contract
5+ YOE5+ years testing experience; strong Java or Python; automation testing; API testing; web and mobile testing knowledge; mentoring/junior engineers; strong analytical and communication skills.
Selenium, TestNG, Postman
2mo
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Quality Assurance Engineer (Mobile Applications)
Irvine, California, United States
$100k-$140k/yr OnsiteFull Time
0+ YOE0-3 years mobile app testing; manual and automated testing; testing tools; focus on UI/UX and user perspective; write and execute test cases.
Python, Mobile testing tools
1mo
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Sensor Development Engineer I
Long Beach, California, United States
$86k-$122k/yr OnsiteFull Time
Bachelor's in engineering or related field; experience designing, building, and testing sensors; 1+ years preferred; strong hands-on in optics, spectroscopy, data acquisition, and Python; CAD skills; able to work in high-stress, multi-project environment.
LabVIEW, Simulink, Beckhoff, Python, CAD
5d
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Forward Deployed Engineer I, GenAI, Google Cloud
San Francisco or Atlanta or Austin or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Miami or New York City or Portland or Los Angeles or Reston or Seattle or Sunnyvale or Washington D.C.
$102k-$145k/yr OnsiteFull Time
1+ YOEBachelor's degree; experience in AI, Python/Typescript; cloud experience; applied AI knowledge.
Python, Typescript, Cloud Platform, LangGraph, CrewAI, Google ADK, RAG, MCP
1w
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Design Verification Engineer - Early Career
Santa Clara or Irvine
$87k-$130k/yr OnsiteFull Time
1+ YOEBachelor’s or Master’s in Electrical/Computer Engineering with 1–3 years experience; Verilog/VHDL; Linux and Python; PCB/architecture knowledge; experience with UVM and ASIC verification.
Verilog, VHDL, UVM, Synopsys, Cadence, Mentor Graphics, Linux, Python, PCIe, Memory Architecture
2w
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Design for Reliability Engineer
Irvine, California, United States
$107k-$134k/yr OnsiteFull Time
1+ YOEBachelor in engineering; 1+ years in reliability engineering; strong technical background; FMEAs; Python; ReliaSoft/JMP; CAD experience; physics of failure; materials and design knowledge.
CATIA, Python, JMP, ReliaSoft, SEM, CT, X-Ray, EDS
1mo
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Machine Learning Engineer, FOX Forward Deployed
Los Angeles, California, United States
$74k-$130k/yr HybridFull Time
Foundations in ML/statistics/data science; Python and ML frameworks; building, evaluating, and deploying models; production-oriented mindset; working with large datasets.
Python, TensorFlow, PyTorch, AWS SageMaker, Bedrock, Google Vertex AI, Databricks, Snowflake
3w
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Engineer I - EE Systems Integration & Validation
Irvine, California, United States
$75k-$85k/yr OnsiteFull Time
0+ YOEBachelor’s degree in Electrical/Computer/Automotive Systems Engineering; 0-3+ years electrical experience; can read schematics; programming in Python/C++/MATLAB/Simulink; knowledge of hardware, software, and systems engineering; English communication skills.
Python, C++, MATLAB, Simulink, Raspberry Pi, Arduino, CAN, LIN, FlexRay, HIL, UDS
2w
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Site Reliability Engineer Intern
Irvine or Los Angeles
$27-$52/hr OnsiteFull Time
Pursuing CS/engineering degree; graduation 2026-2027; proficient in Go/Python/Java/C++; strong problem-solving; self-motivated; good communication; cloud-native and Kubernetes a plus.
Go, Python, Java, C++, Linux, Kubernetes
1mo
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Technical Support Engineer
San Francisco or Salt Lake City or Phoenix or Los Angeles or Chicago or Boston or Austin or New York City or Miami or Tampa or Atlanta or Columbus or Boise or San Diego or Minneapolis or Houston or Raleigh or Nashville or Kansas City or Charlotte or Portland or Philadelphia or Dallas or Washington D.C. or Seattle
$86k-$118k/yr RemoteFull Time
2+ YOE2+ years technical issue resolution in global support; experience with SaaS or financial services; programming in JS, PHP, Objective-C, Python, Golang, Solidity; knowledge of AWS/GCP, REST APIs; strong problem-solving and communication; weekend availability; multilingual preferred.
SQL, Postman, Kibana, Jira, Salesforce, Confluence, Discord, Gradual, GitHub Copilot, Cursor, Claude Code
1w
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Structural Engineer, Advanced Analysis
Newport Beach, California, United States
$80k-$108k/yr OnsiteFull Time
2+ YOE0-2 years in structural engineering; advanced degree in structural/civil; FE/PE/SE path; proficiency in FEA software; strong communication; willingness to travel; programming skills.
ANSYS, ABAQUS, LS-DYNA, GT-STRUDL, SAP2000, MATLAB, Python, Mathcad
2mo
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Radiation Effects Engineer
Los Angeles, California, United States
$100k-$130k/yr OnsiteFull Time
1+ YOE1+ years in assembling, integrating, and testing electrical components; aerospace experience; radiation effects testing preferred; strong electrical lab skills.
Oscilloscopes, Power supplies, SMUs, Function generators, Logic analyzers, DAQs, Python, Linux, C++, Rust, Visual Studio
2mo
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Power System Engineer
Irvine, California, United States
HybridFull Time
0+ YOEPower system engineering role requiring knowledge of power flow, short-circuit, protection, dynamics; strong math, documentation, and client communication skills.
ETAP, Power System Analysis, Python, Excel
2mo
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Entry-Level Structural Engineer | Designer
San Francisco or Los Angeles or Sacramento or San Diego or Detroit or Grand Rapids or Orange
$84k-$112k/yr HybridFull Time
1+ YOEMS in Structural Engineering or BS in Civil Engineering with 1-2 years experience; GPA 3.40+; authorized to work in the United States; software proficiency expected.
AutoCAD, Tekla, RISA, RAM, Revit, Excel, MathCAD, SAP2000, ETABS, Python
2mo
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Design Engineer Intern (Summer 2026)
Huntington Beach, California, United States
$25/hr OnsiteInternship
0+ YOECurrently enrolled in Mechanical, Aerospace, or Electrical Engineering; expected graduation 2025-2027; GPA 3.0+; legal ability to work in the United States.
SolidWorks, CATIA, Python, VBA, Microsoft Office
1mo
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Summer 2026 Artificial Intelligence / Machine Learning Intern - Graduate Student
Seattle or Los Angeles or Denver
$38/hr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEU.S. citizen or permanent resident or asylum/refugee status; enrolled undergrad with at least one semester/quarter remaining; completed at least one year of post-high school coursework; available for full-time internship (~12 weeks); strong communication; interest in mission; ML/AI exposure plus Python/Torch skills.
Python, Torch, AWS, Git, Docker, Kubernetes, React, JavaScript, HTML, CSS
3mo
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Software Engineering Intern
Rancho Cucamonga, California, United States
$20-$22/hr OnsiteInternship
2+ YOEPursuing a technical BS with 2+ years completed; strong coding skills; git proficiency; knowledge of data structures and OS principles; experience in C/C++/Rust or Python/MATLAB; able to develop executable Python packages and work in a team.
C++, Rust, C, Python, Matlab, Git, Linux
4d
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Graduate Mechanical Engineer in Los Angeles, California, United States
Los Angeles or San Francisco
HybridFull Time
Bachelor’s degree in Mechanical Engineering or related field; strong interest in built environment and sustainability; internship or project experience preferred.
Revit MEP, CFD, Dynamo, Python, Grasshopper
HiringCafe market data
Junior Python Developer Jobs market signals in Bloomington, 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
100+
Hiring companies
61
Fresh sample
46% new in 30d
Salary visibility
78% show pay
Companies appearing in this market
EsriGeneral MatterMotorola SolutionsAppleDegenkolb EngineersK2 SpaceSilvus TechnologiesTatari
Work location mix in visible results
Onsite: 44Hybrid: 18Remote: 1