Python Developer Jobs in Sebastopol, CA, US

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Applied AI Engineer, Product & GTM

San Francisco, California, United States

OnsiteFull Time

Sygaldry: Building quantum-accelerated servers for efficient AI model training.

Write code daily; pipelines and tools; strong Python; experience with simulation frameworks; data pipelines; ML/AI domain knowledge.

Python, ASTRA-sim, gem5, Plotly, Pandas, Matplotlib, Jupyter

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Senior Software Engineer, Full Stack

San Francisco, California, United States

$180k-$200k/yr HybridFull Time

Gridware: Real-time sensor platforms for power grid monitoring and safety.

5+ YOE5+ years of full-stack or product-focused software engineering; strong React/TypeScript frontend, Python/PostgreSQL backend; experience with GraphQL APIs; able to work in a low-structure, high-autonomy environment.

React, TypeScript, Python, PostgreSQL, GraphQL, OpenTelemetry, Grafana, Mimir

2mo

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2mo

Senior Software Engineer

San Francisco, California, United States

$189k-$260k/yr OnsiteFull Time

MSCINYSE: MSCI: Provides critical decision support tools for the investment community.

Senior software development experience; strong DB fundamentals; production-grade, data-intensive systems; AI/ML concepts; CI/CD; collaborative problem solving.

Java, C++, C#, Python, SQL, CI/CD, Automation Testing, AI/ML concepts

2mo

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2mo

Software Engineer, CI/CD

San Francisco, California, United States

$216k-$223k/yr HybridFull Time

AsanaNYSE: ASAN: Software platform for team collaboration and project management.

4+ YOE4+ years in CI/CD, infrastructure or software engineering; strong CI/CD platform experience; coding in TypeScript, Python, Ruby, Bash, or Go; experience with AI tooling; cloud providers (AWS, GCP, or Azure) and Terraform; Docker and Kubernetes expertise; strong communication and cross-functional collaboration.

TypeScript, Python, Ruby, Bash, Go, Terraform, Docker, Kubernetes, Prometheus, Grafana, Datadog, Sentry

2mo

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2mo

Flight Sciences Software Engineer

San Francisco, California, United States

$185k-$215k/yr OnsiteFull Time

Astro Mechanica: Developing supersonic aircraft with adaptive turboelectric jet engines

5+ YOE5+ years in software engineering; strong Python; experience with engineering tools; aerospace/mechanical background; thrives in fast-paced environment.

Python, Fortran

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Staff Backend Software Engineer

San Francisco or Montreal

RemoteFull Time

Saris AI: Automates banking back-office workflows using autonomous AI agents.

Backend software engineer with Python (Django/Flask/FastAPI), TypeScript (React), Docker, AWS/GCP; design scalable distributed systems.

Python, Django, Flask, FastAPI, TypeScript, React, Docker, AWS, GCP, PostgreSQL, Redis, REST, GraphQL

1mo

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1mo

Senior Software Engineer, Platform

San Francisco, California, United States

$170k-$210k/yr HybridFull Time

Lunar: Building an AI-native information system for hospitals.

6+ YOEMinimum 6 years of software engineering; proficient in object-oriented and functional programming; experience with Phoenix, Elixir, Python, Erlang, JavaScript/Node.js; strong problem-solving, communication, and collaboration skills.

Phoenix, Elixir, Python, Erlang, JavaScript, Node.js

2mo

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2mo

Partner 16, Software Engineer, Backend, ASG

San Francisco, California, United States

$269k-$314k/yr HybridFull Time

Andreessen Horowitz: Venture capital firm investing in technology and growth-stage companies.

3+ YOE3+ years professional software engineering; Python or other backend language; cloud deployment; SQL/NoSQL; containerized services; Kubernetes a plus; strong problem-solving and collaboration.

Python, SQL, NoSQL, Kubernetes, Docker, Cloud platforms

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Applied AI Engineer

Denver or New York City or San Francisco or Seattle

$178k-$330k/yr OnsiteFull Time

Quizlet: Online platform for digital flashcards and interactive study tools.

6+ YOE6+ years in applied ML/AI or ML-heavy software engineering; BS/MS in CS/ML or related quantitative field; experience in ranking/personalization or search systems; Python/PyTorch proficiency; strong MLOps and distributed training knowledge; onsite work ability.

Python, PyTorch, MLOps, GPUs, LLMs, Ranking systems, RAG/LLM pipelines, Distributed training

1mo

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1mo

Principal Software Engineer

San Francisco, California, United States

$164k-$257k/yr RemoteFull Time

ZoomInfoNASDAQ: GTM: Provides B2B contact data and sales intelligence software.

9+ YOE9+ years backend, data, or infrastructure engineering; distributed systems; big data; applied AI/ML; proficient in Java, Go, Python; strong SQL and data modeling; familiarity with ClickHouse, DynamoDB, Bigtable, Kafka, Kinesis, Snowflake; experience with LLMs and AI workflows.

Java, Go, Python, SQL, ClickHouse, DynamoDB, Bigtable, Memcached, Kafka, Kinesis, Firehose, Airflow, Snowflake, LangGraph, MCP

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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

1mo

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1mo

Staff ML Engineer, Frontier AI

San Francisco, California, United States

$250k-$350k/yr HybridFull Time

Ambience Healthcare: AI platform automating clinical documentation and medical coding.

5+ YOE5+ years ML engineering or applied research; expertise in reinforcement learning and deep learning; production-ready with Python and DL frameworks like PyTorch.

Python, PyTorch, Reinforcement learning, Deep learning

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Quantum and High Performance Computing Engineer

Berkeley, California, United States

$157k-$192k/yr HybridFull Time

Lawrence Berkeley National Laboratory: Conducts multidisciplinary scientific research for the U.S. Department of Energy.

8+ YOEExperience in quantum computing, HPC, and software evaluation; strong communication; PhD or advanced degree preferred; Python/Julia proficiency.

Python, Julia

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Sr Software Engineer, Infrastructure

San Francisco or Mountain View

$136k-$187k/yr HybridFull Time

Databricks: A unified platform for data analytics and artificial intelligence.

5+ YOE5+ years of production Python experience; IaC with Terraform or Pulumi; cloud and containerization (AWS/Azure/GCP, Kubernetes, Docker); CI/CD with GitHub Actions; strong observability and distributed systems knowledge.

Python, Terraform, Pulumi, AWS, Azure, GCP, Kubernetes, Docker, GitHub Actions, Datadog, Prometheus, ELK, Kafka

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Senior Software Engineer, Security

San Francisco or Seattle

$165k-$230k/yr HybridFull Time

NexHealth: Connects patient experience software with electronic health records.

5+ YOE5+ years software engineering; 1–3+ years security; backend in Python/Go/Java; OAuth/JWT; AWS/Google Cloud; OWASP; SAST/DAST; RBAC; Bachelor's in CS/Engineering.

Python, Go, Java, OAuth 2.0, JWT, RBAC, OWASP, SAST, DAST, AWS, Google Cloud, CI/CD

1mo

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1mo

Senior Lead Software Engineer - Developer Infrastructure

San Francisco or Boston

$216k-$324k/yr HybridFull Time

KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.

12+ YOE12 years software development; distributed systems; Go/Python; AWS/Azure/GCP; Kubernetes; Terraform; strong leadership

Go, Python, AWS, Azure, GCP, Kubernetes, Docker, Terraform, Pants, FastAPI, Django, React, Buildkite, Apache Kafka, Apache Pulsar, RabbitMQ, Spark, Airflow, MySQL, PostgreSQL, Clickhouse, Redis, Typescript, React, Jest, Webpack, Covey

2mo

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2mo

Principal Agentic AI Engineer

San Francisco, California, United States

$220k-$250k/yr OnsiteFull Time

Zeta GlobalNYSE: ZETA: Provides AI marketing and consumer intelligence software for enterprises.

10+ YOE10+ years building production backend or applied AI systems; strong Java/Go (Python acceptable for evals); hands-on with LLMs, agentic patterns, RAG, and tool use; experience with observability and safety in production.

Java, Go, Python, AWS, LLMs, RAG, embeddings, tool use, APIs, microservices, distributed systems, telemetry, A/B testing, cache/store pipelines

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AI deployment engineer (US)

San Francisco or Chicago or Austin or New York City

$132k-$185k/yr HybridFull Time

Writer: Platform for building and deploying enterprise generative AI agents.

5+ YOE5+ years in technical SaaS roles; 3+ years in solutions architecture or technical consulting; Python and API fluency; experience delivering complex enterprise solutions; strong communication; builder mindset; customer-focused.

Python, APIs, Knowledge Graph, WRITER platform

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Staff software engineer, data products

San Francisco, California, United States

$202k-$255k/yr OnsiteFull Time

Watershed: Software platform for corporate carbon accounting and climate reporting.

6+ YOE6+ years backend software engineering; Python and SQL proficiency; data pipelines experience; knowledge of data ingestion and validation; strong communication and collaboration skills.

Python, SQL, Typescript

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

1mo

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1mo

Staff Software Engineer - Fraud

San Francisco or New York City or Portland

$239k-$299k/yr RemoteFull Time

Mercury: Banking services and financial software designed for startup companies.

7+ YOE7-10+ years backend software development; leadership experience; interest in fintech/fraud; strong ownership and cross-team influence.

Haskell, Python, SQL, Machine Learning, Data Pipelines, Back-end, Real-time Scoring

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AI/ML Research Engineer

Boston or San Francisco

OnsiteFull Time

Manifold Bio: Designing tissue-targeted protein therapeutics using AI and in vivo screening.

2+ YOE2+ years with PyTorch/JAX; Python stack; distributed computing; protein/computational biology familiarity; Git; independent problem solving; strong communication.

Python, PyTorch, JAX, NumPy, Pandas, scikit-learn, Git

1mo

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1mo

Senior Full Stack Engineer

San Francisco, California, United States

$175k-$250k/yr OnsiteFull Time

Rely Health: AI-powered platform for automated healthcare patient care navigation.

5+ YOE5+ years full stack experience; production experience with LLMs; React/Node.js/Python; HIPAA/regulatory awareness; strong communication; startup mindset.

React, Node.js, Python, Claude Code, Anthropic API, HIPAA, SOC 2

2mo

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2mo

Software Engineer – In-Vehicle Infotainment (IVI)

San Francisco Bay Area, California, United States

$150k-$165k/yr OnsiteFull Time

Sony Honda Mobility: Develops and manufactures electric vehicles under the AFEELA brand

3+ YOEBachelor's in CS/engineering; 3+ yrs embedded software (Android/QNX/Linux); C++, Java, or Python; multimedia/HMI/connectivity; strong debugging; cross-functional collaboration; willing to travel internationally.

Android Automotive OS, QNX, Linux, C++, Java, Python, Bluetooth, Wi-Fi, LTE/5G

3mo

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3mo

Senior Software Engineer, Trust & Safety

San Francisco or United States

$196k-$294k/yr RemoteFull Time

Vercel: Frontend cloud platform for building and deploying web applications.

5+ YOE5+ years in abuse prevention, trust & safety, or security engineering; strong JavaScript/TypeScript and Python; hands-on with LLMs; cloud infrastructure (AWS); end-to-end ownership.

JavaScript, TypeScript, Python, AWS, LLMs

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Full Stack Software Engineer

San Francisco, California, United States

$125k-$160k/yr RemoteFull Time

Cala Health: Develops non-invasive wearable neuromodulation therapies for chronic movement disorders.

3+ YOE3-6 years software engineering; strong Python with FastAPI; strong JavaScript/TypeScript with React; SQL/NoSQL databases; AWS; OpenAI/LLM integration.

React, React Native, FastAPI, Python, MySQL, PostgreSQL, DynamoDB, MongoDB, pytest, React Testing Library, Terraform, Docker, OpenAI, Anthropic, Gemini, AWS

1mo

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1mo

Machine Learning Engineer - ML Training Platform

San Francisco, California, United States

RemoteFull Time

Pluralis Research: Decentralized protocol for collaborative and open-source AI model training.

5+ YOE5+ years in infrastructure/platform engineering, multi-cloud deployments, distributed ML, Python, Kubernetes, GPU workloads, observability and reliability.

Pulumi, Terraform, CloudFormation, Docker, Kubernetes (EKS), Python, Prometheus, Grafana

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Senior Software Engineer, AI Products

San Francisco or Waterloo

HybridFull Time

Cambio: AI-native software for commercial real estate decarbonization and operations.

5+ YOE5+ years software engineering; 1+ year AI-powered product experience; strong Python; AI/LLM knowledge; collaborative; bonus: LangChain, RAG, vector DBs

AWS, Fargate, Redis, PostgreSQL, SQS, CDK, GitHub, Django REST framework, Celery, Next.js, Tailwind CSS, AWS Bedrock, OpenAI, Claude, LangChain, RAG, Vector databases, Python

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Robotics Systems & Operations Engineer

San Francisco, California, United States

OnsiteFull Time

Mimic: Developing AI-powered dexterous robotic hands for industrial automation.

Bachelor’s or Master’s in CS/AI/Robotics/Engineering; hands-on with robotic systems; Python, Linux, ROS/ROS2; strong communication; high ownership; Bay Area familiarity.

Python, Linux, ROS/ROS2

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Trust & Safety Program Engineer

San Francisco, California, United States

$217k-$260k/yr OnsiteFull Time

Tools for Humanity: Develops biometric hardware and software for digital identity verification.

8+ YOE8+ years in systems or program engineering; CS/engineering/math degree; Python/TypeScript; SQL; experience building internal tools; able to own production systems.

Python, TypeScript, SQL

1mo

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1mo

Senior Backend Software Engineer, Rodeo

San Francisco or Los Angeles or Oregon or California or Washington

$145k-$190k/yr HybridFull Time

Twelve Labs: Provides multimodal AI for advanced video understanding and search.

7+ YOE7+ years backend systems, Python, cloud (AWS/GCP), microservices, video processing tools, and ML model integration.

Python, AWS, GCP, Docker, Kubernetes, FFmpeg, SageMaker, Triton, TorchServe

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System Software Engineer - HP IQ

San Francisco, California, United States

$140k-$198k/yr OnsiteFull Time

HPNYSE: HPQ: Manufactures personal computers, printers, and 3D printing hardware.

5+ YOE5+ years in system software and embedded development; experience with C/C++ or C; strong systems design.

C++, C, Python, Linux, Android

1mo

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1mo

Founding Senior Engineer (Hybrid + Equity)

San Francisco, California, United States

$80k-$120k/yr HybridFull Time

WingRep: AI-powered platform providing real-time coaching for sales teams.

5+ YOE5+ years backend or full-stack experience; strong Python/TypeScript; design distributed systems; build async workflows, APIs, databases; eager to integrate AI; startup mindset.

React Native, Expo, TypeScript, Python, FastAPI, AWS, GraphQL, PostgreSQL, Aurora, S3, CDK, EventBridge, Bedrock, Pinecone

2mo

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2mo

Embedded Software Performance Engineer

Berkeley, California, United States

$140k-$200k/yr OnsiteFull Time

Zendar: Develops radar-based high-resolution perception systems for autonomous vehicles.

Proficient in modern C++ (C++17) and Python; experienced in multi-threaded applications, performance profiling/optimization, embedded Linux/POSIX, and source control/testing; strong communication.

C++, Python, CUDA/OpenCL, Git, Linux, POSIX, RTOS, Profiling Tools, Embedded Linux

1mo

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1mo

Robotics Testing Software Engineer

San Francisco, California, United States

HybridFull Time

Bedrock Robotics: Automates heavy construction machinery with AI retrofit kits.

5+ YOE BS or advanced degree; 5+ years test scripting/automation (C/C++, Python, PyTest); autonomous systems experience; testing across hardware-software; travel to sites.

C/C++, Python, PyTest

2mo

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2mo

Senior Software Engineer, Wallets

San Francisco, California, United States

$170k-$260k/yr OnsiteFull Time

Stellar Development Foundation: Develops an open-source blockchain network for global financial access.

5+ YOE5+ years of software development experience; strong CS fundamentals; proficiency in server-side languages; scalable web services experience; strong communication; product mindset.

Go, Python, Rust, C#, Java, C++, APIs, RFCs

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Forward Deployed Engineer, Strategic Accounts

San Francisco or Los Angeles or United States

$175k-$225k/yr HybridFull Time

HeyGen: Generate professional AI videos using digital avatars and voices.

3+ YOE3+ years in software engineering or solutions architecture; production Python and JavaScript/Node.js; experience with LLMs and AI systems; API design, webhooks, cloud infrastructure; strong communication with executives and engineers.

Python, JavaScript/Node.js, API design, Webhooks, Cloud infrastructure, WebRTC, LLMs/Generative AI

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Senior Machine Learning Engineer, Multimodal AI

San Francisco, California, United States

OnsiteFull Time

Hike Medical: Produces custom 3D-printed medical orthotics using AI foot scanning.

Experience building production AI systems with LLMs, OCR, and unstructured data; shipping applied AI products; Python; AWS/serverless; analytical and collaborative.

Python, AWS, LLM, OCR, Serverless, APIs

2mo

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2mo

Senior Applied AI Engineer

Denver or Chicago or East Rutherford or Los Angeles or New York or Phoenix or San Francisco or Seattle

$125k-$186k/yr OnsiteFull Time

PrologisNYSE: PLD: Develops and manages logistics real estate and supply chain infrastructure.

8+ YOE8+ years software engineering; expert Python; strong AWS; data modeling; LLM evaluation; experience with agentic systems and enterprise AI patterns; Bachelor's in CS/Engineering or equivalent.

Python, AWS, SQL, LLM, Dataiku, OpenAI