Python Software Developer Jobs in Fremont, CA, US

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Switching and Transceiver Integration Software Quality Assurance Engineer

San Jose, California, United States

$109k-$155k/yr OnsiteFull Time

LumentumNASDAQ: LITE: Manufacturer of optical and photonic components for global networks.

5+ YOEQA engineer with Linux, Python, CMIS, and transceiver data center network experience.

Python, Linux, Docker, CMIS, I2C, I3C, SPyTest, PTF, VLAN, Ethernet, BGP, OS Linux, C, C++, Shell scripting

3mo

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3mo

Product Engineer, Tech Ops

San Francisco or New York City

RemoteFull Time

Advocate: AI platform for government disability benefit applications.

Proven software engineering skills; build and scale internal platforms; collaborate with product and growth teams.

TypeScript, React, Next.js, Nx, Node.js, GraphQL, PostgreSQL, TypeORM, Redis, AWS, Terraform, Docker, Salesforce, Zendesk, Customer.io, Iterable, Webflow, Google Ads, Meta, Microsoft, LLM, RAG, Python, Databricks, Sentry, PostHog, Playwright

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2mo

Senior AI Engineer

San Francisco, California, United States

$200k-$250k/yr OnsiteFull Time

Lotus Health: Provides AI-powered primary care and prescription services.

Strong Python and SQL skills; experience with data infrastructure; PostgreSQL with JSONB/vector types; AWS; production AI/ML systems; cross-stack work; curiosity and pragmatism.

Python, SQL, PostgreSQL, Linux, AWS, GCP, Langfuse, Modal, DuckDB, Fireworks, Baseten, Anthropic

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Principal Engineer - eCommerce, Digital, & Product Launch

San Francisco or Remote

$231k-$303k/yr HybridFull Time

Minted: Marketplace for design and art from independent artists.

15+ YOE15+ yrs software development; 10+ yrs technical leadership; 3+ yrs architect/engineer roles; strong multi-language skills; experience with microservices, MFEs, REST APIs, caching, cloud, AI tooling; Fast-paced Agile environment; ability to lead and mentor.

ReactJS, Python, NodeJS, PHP, GoLang, Amazon Web Services, Docker, Kubernetes, CI/CD, AI-assisted development tooling, CMS, Search, PIM

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Software Engineering Intern, Backend

San Jose, California, United States

$45-$50/hr HybridInternship

Tessera Labs: Automates complex enterprise workflows with multi-agent AI systems.

0+ YOEPursuing or recently graduated in CS/Engineering; Python (FastAPI/Flask/Django); databases and SQL; interest in distributed systems and cloud; strong problem-solving and teamwork.

Python, FastAPI, SQLAlchemy, PostgreSQL, MySQL, Git

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Senior Machine Learning Research Engineer (ML Platform)

South San Francisco, California, United States

$209k-$233k/yr OnsiteFull Time

Calico: Researching aging biology to develop longevity-improving therapies.

5+ YOESenior ML software engineer with 5+ years of experience; strong Python and JAX or PyTorch; on-site 4 days a week; ML platform and generative modeling focus.

Python, JAX, PyTorch, Ray, Spark, BigQuery

20h

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20h

Agent Engineer

San Francisco, California, United States

OnsiteFull Time

Arcade: Design and buy custom physical products using generative AI.

Software engineer with hands-on experience in AI-agent features, prompt/tool chains, or agentic systems; strong background in LLMs and agent frameworks; strong reliability and speed focus; experienced with evaluation, A/B testing, and end-to-end ownership.

Python, TypeScript, LLMs, Vector databases, Agent frameworks

2mo

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2mo

Director of Software Engineering, NX Designer

Fremont, California, United States

$240k-$260k/yr OnsiteFull Time

NextpowerNasdaq: NXT: Provides solar tracking systems and energy management software.

10+ YOE3+ Mgmt10+ years leading cloud software teams; strong cloud architecture, microservices, AI/ML integration; leadership of multinational teams.

Python, Node.js, Java, Cloud platforms, Microservices, CI/CD, DevOps, APIs, Serverless

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1mo

Senior DevOps Engineer

San Ramon or United States

$90k-$250k/yr HybridFull Time

Five9NASDAQ: FIVN: Provides cloud-based software for enterprise contact center operations.

6+ YOE5-7+ years DevOps/Cloud Ops; 3+ yrs Git-based VCS; strong IaC (Terraform/Ansible); Kubernetes/Docker; CI/CD tooling; scripting (Python/Bash).

GitLab CI/CD, Jenkins, TeamCity, Git, Terraform, Ansible, Python, Bash, Kubernetes, Helm, Docker, Linux, Prometheus, Grafana, Datadog

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2mo

Senior Platform Engineer

San Francisco or Palo Alto

$170k-$200k/yr OnsiteFull Time

interface.ai: AI-powered virtual assistants for banks and credit unions.

7+ YOE7+ years backend or distributed systems; Python and one backend language (Node.js or Go); observability/tracing; CI/CD; Kubernetes/Terraform; cloud-native; API/microservices; high-availability.

Python, Node.js, Go, OpenTelemetry, Prometheus, Grafana, Jenkins, GitHub Actions, ArgoCD, GitOps, Kubernetes, Helm, Terraform

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1mo

Staff Software Engineer - Data Platform

Pleasanton, California, United States

OnsiteFull Time

Radiant Security: AI platform for automated security alert triage and investigation.

Design scalable data ingestion pipelines; build platform tooling; cloud infra; distributed systems; data pipelines with Kafka/Kinesis; databases and search (SQL, Elasticsearch, MongoDB); monitoring (Prometheus, Grafana, Datadog); containers (Docker, Kubernetes).

Python, Golang, NodeJS, AWS, GCP, Azure, Redshift, BigQuery, Apache Kafka, AWS Kinesis, Elasticsearch, MongoDB, Presto, Snowflake, Prometheus, Grafana, Datadog, Docker, Kubernetes

2mo

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2mo

Product Engineer

Sunnyvale, California, United States

$185k-$250k/yr OnsiteFull Time

Altimate AI: Automates data documentation and optimization using AI agents.

8+ YOE8+ years building production systems; strong backend fundamentals - Python, APIs, distributed systems, databases; LLM in production (RAG, agents, prompt pipelines); product instinct; startup DNA.

Python, FastAPI, PostgreSQL, Redis, dbt, Airflow, Spark, SQL, TypeScript, React

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1mo

Product Engineer I

Fremont, California, United States

$85k-$92k/yr OnsiteFull Time

Ultima Genomics: Develops high-throughput genomic sequencing platforms for biological research.

1+ YOEBS or MS in STEM; 1+ year troubleshooting complex systems; Bash/Python; Linux; strong communication; travel up to 20%.

Bash, Python, Linux, Jira

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2mo

Full Stack Engineer

Palo Alto, California, United States

$133k-$165k/yr OnsiteFull Time

Arc Institute: Conducts biomedical research to understand and treat complex diseases.

4+ YOE4+ years backend or full-stack engineering; Python/Node.js; PostgreSQL; experience with AI-assisted tools; internal apps for scientific users.

Python, Node.js, FastAPI, Flask, Express, PostgreSQL, Docker, Next.js, React, NumPy, pandas, Claude, Cursor, Copilot

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1mo

Staff Software Engineer, Data

Palo Alto, California, United States

$270k/yr HybridFull Time

NubankNYSE: NU: Digital banking services including credit cards and personal accounts.

Extensive technical leadership in large-scale data engineering; expertise with distributed systems (Spark, Flink, Kafka); systems design; strategic thinking; proactive problem solving.

Spark, Flink, Kafka, Cloud Data Warehouse, Python, SQL

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Senior Principal Software Engineer

New York City or Boston or Atlanta or Arlington or Miami or O'Fallon or San Francisco

$212k-$407k/yr HybridFull Time

MastercardNYSE: MA: Global payment processing and financial technology service provider.

Senior technical leadership; cloud-native platforms; distributed systems; real-time AI/ML inference; API design; data pipelines; MLOps; strong communication.

Java, Go, Python, AWS, Azure, GCP, Distributed Systems, Microservices, APIs, Data Pipelines, MLOps, Real-time Inference

1mo

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1mo

Fintech Data & Backend Developer

San Francisco, California, United States

$53k-$83k/yr RemoteFull Time

aVenture: Fintech platform providing retail access to venture capital funds.

Experience with MySQL and Firebase (Firestore); cloud database design, security, and performance; API development and integration; ability to work remotely with Pacific Time availability.

MySQL, Firebase (Firestore), Google Cloud Platform, AWS, PostgreSQL, JavaScript, Python, Webflow, Bubble.io, Hubspot, APIs

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Applied AI Engineer

San Francisco or New York City or Barcelona

$180k-$240k/yr HybridFull Time

Rillet: AI-native ERP software for finance and accounting teams

3+ YOE3+ years backend/API/cloud infra; 2+ years production AI systems; Python; experience with LLMs, RAG; strong product sense.

Python, LLM, RAG, APIs, Cloud

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Staff Product Engineer

San Francisco or New York

HybridFull Time

Brisk Teaching: AI-powered browser extension for K-12 teacher productivity and personalization.

8+ YOESenior frontend-focused role building React/TypeScript, with backend collaboration (Python/Flask) and observability; strong emphasis on performance, accessibility, and design systems.

React, TypeScript, Python, Flask, Datadog

2mo

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2mo

Senior Fullstack Engineer

San Francisco or New York City

$210k-$350k/yr OnsiteFull Time

Giga: Enterprise voice AI agents for automated customer support.

4+ YOE4+ years of fullstack experience; strong frontend (TypeScript/React) and backend (Python or similar); product-minded; ability to own features end-to-end.

TypeScript, React, Next.js, AWS, Modal, Kubernetes, Postgres, Python, Django, FastAPI, Node.js

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1mo

AI Product Engineer

Palo Alto, California, United States

OnsiteFull Time

Verc: AI-native operating system for loan servicing and collections.

Own AI features end-to-end; strong Python; knowledge of LLMs, retrieval pipelines, and safety guardrails; able to collaborate cross-functionally in a startup.

Python, APIs, LLMs, retrieval pipelines, embedding, guardrails, production monitoring

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Senior Backend Engineer, Connectors & Discover

San Francisco or Austin or Madison

$174k-$260k/yr HybridFull Time

Zendesk: Provides cloud-based software for customer service and support.

3+ YOE3+ years backend engineering, Python, FastAPI, MongoDB/Elasticsearch/OpenSearch, Redis; distributed job processing; data pipelines; observability.

Python, FastAPI, MongoDB, OpenSearch/Elasticsearch, Redis, RQ/Celery, Dagster, Airflow, S3

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Staff Platform Engineer

San Francisco, California, United States

$189k-$236k/yr HybridFull Time

Motive: Provides an AI-powered fleet management and physical operations platform.

6+ YOESenior staff engineer with 6+ years, CI/CD, Kubernetes, AWS, Terraform/Ansible/Helm, Golang/Ruby/Python, SDLC optimization, and distributed systems.

Kubernetes, ArgoCD, Github Actions, Tekton, Helm, Bash, Python, Go, Ruby on Rails, Terraform, Ansible, AWS

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1mo

Product Engineer Intern

San Francisco, California, United States

$30-$50/hr OnsiteInternship

Ditto: AI-powered dating platform planning real-world dates for college students

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

1mo

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1mo

Machine Learning Engineer

Milpitas, California, United States

$160k-$180k/yr OnsiteFull Time

UnitX: Builds AI-powered robotics for automated visual inspection in manufacturing.

2+ YOE2+ years in computer vision ML in production; BS in CS/Math/Physics or equivalent; strong DL with PyTorch/TensorFlow; Python; good communication; adaptable.

PyTorch, TensorFlow, Python, Stable Diffusion, SAM

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1mo

FPGA Development Tools Engineer

San Jose, California, United States

$127k-$184k/yr OnsiteFull Time

Altera: Designs and manufactures field-programmable gate array (FPGA) semiconductor solutions.

4+ YOEC/C++ and Python expertise; degree in CS/CE with 4+ years (Bachelor), 3+ years (Master), or PhD with 1+ year; strong communication; experience with EDA tools.

C++, Python, Verilog, SystemVerilog, VHDL, Quartus

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1mo

Robot Learning Engineer

Palo Alto, California, United States

OnsiteFull Time

Innate: Building teachable personal AI robots for household automation.

Generalist engineer with depth in robot learning; experienced with real-world deployments and hardware; knowledge of ML, robotics software, and data pipelines.

ROS, Python, C++, TensorFlow, PyTorch, Docker

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Build Engineer - NBA 2K

Novato, California, United States

$86k-$120k/yr OnsiteFull Time

2KNASDAQ: TTWO: Publishes and develops global video game franchises and entertainment.

2+ YOE2+ years as a Build Engineer or similar pipeline-focused role; C++ and Python scripting; Jenkins CI/CD; build and release workflows; source control; cross-team collaboration.

C++, Python, Jenkins, CI/CD, Build pipelines, Source control, Automation scripting

18h

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18h

AI Platform Backend. Engineer, Capabilities

San Francisco, California, United States

HybridFull Time

Brain Co.: Builds AI software platforms for governments and large enterprises.

3+ YOE3+ years building production backend services; experience with Python, Go, Rust, or C++; strong understanding of distributed systems, APIs, observability.

Python, Go, Rust, C++, REST, gRPC

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1mo

AI-Forward Engineer

Redwood City, California, United States

$150k-$250k/yr HybridFull Time

NimbleRx: Digital platform for on-demand prescription delivery and pharmacy management.

2+ YOE2+ years engineering/DevOps; TypeScript/Java/Python; Terraform, GitHub actions, CI/CD; AWS; experience with AI tooling; cross-functional collaboration; demonstrated builds

TypeScript, Java, Python, Terraform, GitHub Actions, CI/CD, AWS, Claude, Kimi, Gemini, GPT, Playwright, Spoon, OXC, Flutter, Dart, Spoon, AST tooling, Claude Code

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1mo

Senior Product Engineer, Backend-Leaning

Redwood City, California, United States

HybridFull Time

GridCARE: Unlocking electrical grid capacity for AI data center power.

6+ YOESenior backend-leaning product engineer with 6+ years, Python backend, API design, multi-tenant SaaS, OpenAPI, OAuth2, and frontend collaboration.

Python, TypeScript, OpenAPI, Auth0, OAuth2, AWS, PostgreSQL, S3, Airflow

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Senior AI/ML Engineer

New York or Santa Monica or Los Angeles or Palo Alto or Chicago or Washington D.C. or Boston or Colorado or Seattle or San Francisco or San Diego or Reston

OnsiteFull Time

Cooley: Provides legal counsel to technology and life sciences companies.

5+ YOE5+ years in AI/ML; hands-on with Azure/AWS; Python; LLMs; data integration; LangChain or similar; cloud security and governance.

Python, Azure, AWS, LangChain, LangSmith, Pydantic AI, APIs, Data Ingestion, Data Lakes, Data Warehouses

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1mo

Early Product Engineer - US

San Mateo, California, United States

$150k-$250k/yr HybridFull Time

Coefficient: Connects real-time data to spreadsheets for business teams.

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

2mo

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2mo

Forward Deployed Engineer

San Francisco, California, United States

$150k-$230k/yr OnsiteFull Time

fal: Scalable infrastructure for real-time generative AI model inference.

Strong engineering background; proficient in TypeScript, Python, Postgres, Next.js; experienced with customer-facing technical roles; ability to work across APIs, infra, and cloud environments; strong communication and ownership.

TypeScript, Python, Postgres, Next.js

2mo

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2mo

Senior Platform Engineer

Palo Alto, California, United States

$225k-$300k/yr HybridFull Time

Acryl Data: Platform for data discovery, governance, and observability.

4+ YOE4+ years building production-grade distributed systems; advanced Python; experience with high-scale data processing; strong distributed architecture; track record of solving complex technical challenges.

Python, APIs, Airflow, Airbyte, dbt, Distributed systems

1mo

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1mo

Product AI Engineer

San Mateo, California, United States

$180k-$200k/yr HybridFull Time

Kiteworks: Secures enterprise content communications and data exchange platforms.

3+ YOE3+ years in AI engineering or related field; strong experience with agentic automation, LLMs, Python/TypeScript, and API-first architectures; ability to design policy-driven automation and ensure compliance.

n8n, Make, Temporal, Python, TypeScript, SQL, LLMs, APIs

2mo

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2mo

Senior AI Engineer

San Mateo, California, United States

OnsiteFull Time

EyeTell: Developing a generative AI platform for mixed media content.

5+ YOE5-7 years of provable experience in AI/ML; expertise in Python and ML frameworks; experience with Generative AI and mobile/desktop deployment; strong communication and independent startup work style.

Python, PyTorch, TensorFlow, JAX, Core ML

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Product Growth Engineer

San Francisco or United States

$120k-$200k/yr RemoteFull Time, Contract

Firecrawl: Converts websites into clean structured data for AI.

5+ YOESenior full-stack engineer with 5+ years experience; ship growth features end-to-end; proficient in React/TypeScript/Next.js/Node, Python, SQL; strong product sense and communication.

React, TypeScript, Next.js, Node, Python, SQL, PostgreSQL, Anthropic Claude API

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Applied AI Engineer

New York City or San Francisco or United States

$191k-$224k/yr HybridFull Time

Komodo Health: Provides AI-driven healthcare data and patient journey analytics software.

Experience building production-grade AI systems; strong Python; experience with LLMs and agent-based architectures; familiarity with GenAI tooling; ability to integrate AI across backend and product interfaces.

Python, LLMs, Prompt engineering, Agent-based architectures, vLLM, CrewAI, Strands, OpenAI, Chat Completions API