Junior Software Engineer Python Jobs in Fairfield, CA, US

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Senior Python Engineer

San Francisco or Canada

$126k-$248k/yr HybridFull Time

MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.

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

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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++

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Software Engineer III

San Ramon, California, United States

$104k-$153k/yr RemoteFull Time

Robert HalfNYSE: RHI: Provides specialized staffing and global business consulting services.

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

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Junior Coastal Engineer

San Francisco or Oakland or Sacramento or Petaluma

$85k-$100k/yr HybridFull Time

Environmental Science Associates: Provides environmental consulting for infrastructure and restoration projects.

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

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1mo

Software Engineer - Cloud

San Mateo, California, United States

$107k-$161k/yr HybridFull Time

GuidewireNYSE: GWRE: Provides a software platform for property and casualty insurers.

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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2mo

Software Engineer - Data Engineering

San Francisco or Los Angeles

$140k-$220k/yr HybridFull Time

CHAOS Industries: Building next-generation sensing and detection systems for modern defense.

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

17h

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17h

Software Engineer

San Francisco, California, United States

$164k-$230k/yr RemoteFull Time

RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.

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

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Software Engineer

New York City or San Francisco or United States

$140k-$200k/yr HybridFull Time

Valon: AI-powered mortgage servicing and financial software platform.

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

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1mo

Software Engineer

Oakland, California, United States

$100k-$130k/yr HybridFull Time

Paradromics: Develops implantable brain-computer interfaces to restore communication for patients.

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

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Software Engineer II

Pleasanton, California, United States

$82k-$141k/yr OnsiteFull Time

AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.

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++

2mo

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2mo

Software Engineer I, Monetization ML

San Francisco or Seattle

$111k-$160k/yr OnsiteFull Time

TwitchNASDAQ: AMZN: Operates a global live streaming platform for interactive content.

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

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Software Engineer, New Grad

San Francisco, California, United States

$126k-$146k/yr HybridFull Time

Notion: Provides a unified workspace for notes, documents, and project management.

New grad pursuing CS/engineering degree; can start full-time before July 27, 2026; internship experience; proficiency in TypeScript, Node.js, or Python.

TypeScript, Node.js, Python, React, HTML, CSS, JavaScript

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Software Engineer II

Pleasanton, California, United States

$82k-$141k/yr OnsiteFull Time

AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.

1+ YOEBachelor’s or master’s in CS/Data Science/IS or related field; up to 1+ year software or data-focused experience; SQL knowledge; programming (Python/Java/C++); basic debugging/version control.

Python, Java, C++, SQL, Git

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R&D Software Engineer

San Francisco or Ann Arbor or Austin

$119k-$152k/yr OnsiteFull Time

Charles SchwabNYSE: SCHW: Financial services, brokerage, and investment management provider.

2+ YOEBachelor’s degree in computer science, computer engineering, or related field. 2-5 years of experience in software engineering or applied research. Proficiency in Python, Java, C#, or JavaScript/Node.js. Fundamentals of modern software development. Interest in AI/ML, agent-based or decentralized tech. Ability to work in ambiguous problems with ment...

Python, Java, C#, JavaScript/Node.js

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Software Engineer I

Sacramento, California, United States

$33-$42/hr RemoteFull Time

Vituity: Providing multispecialty clinical care and healthcare management services.

Bachelor’s degree in information technology or related discipline; one year of software development experience preferred; familiarity with generative AI, Azure, C#, Java, Python; RESTful APIs; SQL; UI programming; strong teamwork and communication.

Microsoft Azure, C#, Java, Python, RESTful APIs, SQL, UI technologies, Git, CI/CD

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Software Engineer Intern - Compiler

Burlingame, California, United States

OnsiteInternship, Temporary

Quadric: Designing licensable processor IP for on-device AI inference.

Pursuing CS/engineering; strong Python and C++; understanding of compiler concepts; able to read large codebases; problem-solving and communication.

Python, C++, Compiler frameworks, IR transformations, Code generation

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Software Engineer Intern

San Francisco, California, United States

$30/hr HybridInternship

Integral Ad ScienceNASDAQ: IAS: Software platform providing digital media measurement and advertising optimization.

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

2mo

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2mo

Software Engineer Intern

Los Angeles or New York or San Francisco

$35-$45/hr HybridInternship

Tatari: Provides a platform to buy and measure TV advertisements.

0+ YOECurrently enrolled in a Bachelor's or Master's in Computer Science, plan to return to school; at least two years of college completed; Python and SQL experience; knowledge of AI/ML tools; strong math/statistics; able to commit 10 weeks (May–Aug); independent yet collaborative.

Python, SQL, MySQL, PostgreSQL, AI/ML tools

1mo

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1mo

Software Engineer I, AI Product

San Francisco, California, United States

$140k-$170k/yr OnsiteFull Time

Attentive: AI-powered SMS and email marketing platform for personalization.

2+ YOE0–2 years in software engineering; strong CS fundamentals; experience with at least one modern language; interest in AI/ML; Bachelor’s in CS/Engineering or equivalent

Java, Python, Go, Web technologies

1mo

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1mo

Intern, Software Engineer - Perception

San Francisco, California, United States

$45/hr HybridInternship

Hayden AI: AI-powered mobile perception systems for automated traffic enforcement.

Pursuing a Master’s or PhD in CS or related field; strong Python and C++; detail-oriented, curious, good communicator, collaborative.

Python, C++, Git

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Software Engineer — Summer Intern

Redwood City or San Francisco

HybridInternship

Snorkel AI: Software platform for programmatic AI data development and labeling.

Pursuing BS/MS/PhD in CS; available for 12+ weeks; Python/JavaScript proficiency; experience on large projects; strong technical communication.

Python, JavaScript

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Software Engineer

Milpitas or San Jose or San Francisco

$105k-$133k/yr HybridFull Time

CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.

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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1mo

Software Engineer

San Francisco, California, United States

$140k-$170k/yr OnsiteFull Time

CaseMark: AI platform for legal document summarization and workflow automation

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

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1mo

Software Engineer: SoC System Stress Validation

Beaverton or San Francisco Bay Area

OnsiteFull Time

AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.

0+ YOEBS in Computer Science, Electrical/Computer Engineering or related field; 0 years experience; strong C/C++; assembly familiarity; hardware-oriented coding; knowledge of computer architecture; scripting (Python, Tcl, Perl) a plus.

Python, C, C++, Assembly, Tcl, Perl

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Software Engineer - Product (New Grad)

San Francisco, California, United States

$130k-$150k/yr OnsiteFull Time

Julius: Conversational AI for automated data analysis and visualization.

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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1mo

Software Engineer - Solutions

San Francisco or Illinois or New York or West Virginia

$70k-$110k/yr HybridFull Time

Primefocus Health: Provides a platform for customized remote patient management solutions.

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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1mo

Software Engineer Associate

Tiburon, California, United States

$75k-$83k/yr OnsiteFull Time

Digital Foundry: Designs and builds custom digital products and enterprise software.

0+ YOEBS in Computer Science or relevant work experience; proficiency in C#, Java, Javascript, Golang, Python, and CSS; US work authorization without employer sponsorship.

2mo

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2mo

Hardware/ Software Co-Design Engineer

Austin or Fremont

$151k-$261k/yr OnsiteFull Time

Neuralink: Developing implantable brain-computer interfaces to restore human sensory and motor functions.

BS in EE/CS or related field; strong programming in C/Rust; SystemVerilog/C/C++/Python; experience RTL/design and DSP pipelines; embedded software experience.

SystemVerilog, C/C++, Python, Rust, RTL, Emulation models, test environments

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1mo

Software Engineer, Perception (Intern) - Summer 2026

South San Francisco, California, United States

$40-$60/hr HybridInternship

AeroVect: Developing autonomous driving systems for airport ground logistics vehicles.

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

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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

DLA Piper: Global law firm providing comprehensive legal and business services.

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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2mo

Software Engineer Intern (ML Ops / Compute Migration)

San Francisco, California, United States

$45-$60/hr OnsiteInternship

HeartFlowNASDAQ: HTFL: Provides AI-driven software for non-invasive coronary artery disease diagnosis.

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

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Junior Backend Engineer

San Francisco, California, United States

$120k-$145k/yr HybridFull Time

Baselayer: AI-powered business identity and risk verification platform.

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

1mo

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1mo

Founding Software Engineer - TruTec

Austin or San Francisco

OnsiteFull Time

TrueMeter: AI-powered platform for commercial energy savings and bill management.

FoundingSoftwareEngineer with autonomous execution, strong technical foundation, and startup mindset.

Python, JavaScript, TypeScript, Git

1mo

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1mo

Software Engineer, Delivery / CD

San Francisco or Seattle

$210k-$490k/yr HybridFull Time

OpenAI: Develops and deploys advanced artificial general intelligence systems.

Experience building and operating continuous deployment platforms, Kubernetes-based deployments, GitOps tooling, and automation of release pipelines.

Kubernetes, Python, FastAPI, Terraform, GitOps, Buildkite

1mo

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1mo

Software Engineer (New Grad Program)

San Francisco or New York City

$65/hr OnsiteInternship

Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.

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

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Software Engineer, Airbnb - New Grad

San Francisco or Seattle

$128k-$142k/yr OnsiteFull Time

AirbnbNASDAQ: ABNB: Online marketplace for vacation rentals and travel experiences.

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

1mo

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1mo

Software Engineer Intern - Data Platform (Summer 2026)

San Francisco, California, United States

$29/hr OnsiteInternship

Astranis: Builds and operates small geostationary communications satellites.

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

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Software Developer I - Integration/Automation Developer

Oakland, California, United States

$29-$45/hr HybridFull Time

Astreya: Provides managed IT services and digital workplace solutions for enterprises.

Entry-level integration/automation developer with degree in engineering or computer science; coding experience; REST APIs; AWS; and collaboration with offshore teams.

GitHub, VS Code, GitHub Copilot, Python, Node.js, AWS, REST APIs

1mo

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1mo

Deep Learning Software Engineer, TensorRT Performance - New College Grad 2026

Santa Clara or Remote

$124k-$196k/yr OnsiteFull Time

NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.

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