Python Software Developer Jobs in Fillmore, CA, US

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Manager Application Development (Python)

Westlake Village, California, United States

$132k-$294k/yr OnsiteFull Time

PennymacNYSE: PFSI: Provides mortgage loan production, servicing, and investment management.

8+ YOE3+ Mgmt8+ years software engineering, 3+ years technical leadership; hands-on backend (Go/Python/Node) and frontend (React/TypeScript/JS); real-time communications and VOIP experience; familiar with FreeSWITCH, Zoom, ZenDesk, Five9, CallMiner; cloud, DevOps, and API/microservices.

FreeSWITCH, SIP, Go, Python, Node.js, React, TypeScript, JavaScript, AWS, Docker, Kubernetes, Chef, AWS CDK, Troposphere, OAuth2

1mo

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1mo

AI Engineer

Pasadena, California, United States

$110k-$150k/yr OnsiteFull Time

GEI Consultants: Provides multi-disciplinary engineering and environmental consulting services.

4+ YOE4+ years software engineering; 1+ year building Generative AI apps; Python/SQL; Azure AI; experience with LLMs; Azure Databricks/TensorFlow/PyTorch a plus.

Python, PySpark, R, SQL, Azure AI APIs, Databricks Mosaic, TensorFlow, PyTorch

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AI Engineer

Los Angeles or New York

$130k-$160k/yr RemoteFull Time

Wasserman: Global agency representing sports, music, and entertainment talent.

3+ YOE3–6 years of software engineering or applied AI; strong Python; production AI systems, RAG pipelines, prompt architectures; translate business problems into AI workflows.

Python, APIs, LLM, RAG, embeddings, JSON

1mo

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1mo

Senior Backend Engineer

Santa Monica, California, United States

$150k-$180k/yr OnsiteFull Time

Red 6: Provides augmented reality synthetic air combat training for military pilots.

5+ YOE5+ years backend software engineering; Python; RESTful APIs; AI tooling experience; security and performance focus; able to obtain security clearance.

Python, Git, REST, LLM tooling, JavaScript/TypeScript, Docker, Linux

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Manager Application Development (Python)

Westlake Village, California, United States

$132k-$294k/yr OnsiteFull Time

PennymacNYSE: PFSI: Specialty financial services firm focused on mortgage lending and servicing.

8+ YOE3+ MgmtBachelor’s degree or 3+ years equivalent; 8+ years software engineering including 3+ years in technical leadership; real-time communications/VOIP, backend (Go, Python, Node.js), frontend (React/TypeScript/JavaScript), API design, microservices, AWS, Docker/Kubernetes, OAuth2, SCRUM.

Go, Python, Node.js, React, TypeScript, JavaScript, FreeSWITCH, SIP, Kubernetes, Docker, Chef, AWS CDK, Troposphere, OAuth2, ZenDesk, Five9, Zoom, CallMiner, ServiceNow, Terraform, CI/CD

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Gameplay Engineer

El Segundo, California, United States

$125k-$142k/yr HybridFull Time

Nexon AmericaTokyo Stock Exchange: 3659: Publishes and develops online multiplayer games and virtual worlds.

4+ YOE4+ years software engineering in online games; 3+ years C++; BS in Computer Science/Engineering; strong C++ and game development knowledge.

C++, Lua, Python

1mo

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1mo

Software Engineering - ODSP

Santa Clara or Westlake Village

$155k-$232k/yr OnsiteFull Time

Marvell TechnologyNASDAQ: MRVL: Designs and manufactures semiconductor solutions for data infrastructure.

10+ YOE2+ Mgmt10+ years embedded C/C++ firmware development; SW Team Lead experience; architecture and testing leadership; DSP/embedded SoC knowledge; strong English communication; experience with revision control and defect tracking.

C, C++, Python, Git, Linux, Makefiles, GDB, IDEs, bash, Verilog

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Staff Engineer, AI & Business Operations

El Segundo, California, United States

$130k-$150k/yr OnsiteFull Time

Faraday FutureNASDAQ: FFAI: Designs and manufactures high-performance luxury electric vehicles.

7+ YOE7+ years software engineering; 2–3 years AI/LLM/Agent systems; backend Python/Java/Node.js; AI agent development; RAG, retrieval, and search; systems integration; cloud (AWS/GCP), Docker, Kubernetes; security-by-design; strong collaboration.

Python, Java, Node.js, AWS, GCP, Docker, Kubernetes, OAuth2, OIDC, RAG, OpenClaw

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Senior AI Engineer

Los Angeles or New York

$170k-$200k/yr OnsiteFull Time

Metropolis: Computer vision technology for checkout-free parking and retail payments.

6+ YOE6+ years software engineering; 2+ years in production AI/LLM apps; strong Python; LLM APIs; data pipelines; Airflow; AWS; product-quality focus

Python, SQL, Snowflake, Airflow, AWS, GitHub, Datadog, OpenAI, Anthropic, TypeScript, React, Scala, Java

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DevOps Engineer (Intermediate)

Los Angeles, California, United States

$120k-$130k/yr HybridFull Time

VideoAmp: Software and data for cross-platform advertising measurement and optimization.

2+ YOE2–4 years in DevOps/SRE/Software Eng; Go or Python; cloud and containers; IaC; CI/CD with GitHub Actions and ArgoCD; AI/LLM curiosity a plus.

Go, Python, Docker, Kubernetes, Terraform, GitHub Actions, ArgoCD, CLI, APIs, HTMX

1mo

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1mo

Full Stack Engineer

Los Angeles, California, United States

$150k-$180k/yr OnsiteContract, Full Time

Secret Level: AI-native entertainment studio producing film, TV, and advertising content.

Senior level Full Stack developer with Python and React, AWS, CI/CD tooling, Postgres/GraphQL; contract-to-hire.

Python, JavaScript, React, Node.js, Next.js, Tailwind, Postgres, GraphQL, AWS, Docker, Terraform, GitHub Actions

1mo

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1mo

Application Developer, Senior

Oakland or Long Beach or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills

$103k-$154k/yr HybridFull Time

Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.

5+ YOE5+ years full stack development; BA/BS; front-end frameworks; backend APIs in .NET/Java/Node.js/Python; SQL/NoSQL; cloud-native (Azure preferred); Docker; IaC; CI/CD; AI coding tools; healthcare experience preferred.

React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, SQL, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git, Copilot, Cursor, Claude, Epic

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Senior AI Engineer

Boston or Los Angeles

$143k-$215k/yr RemoteFull Time

Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.

5+ YOE5+ years in production software; 2+ years with LLM-based apps; Python production experience; LangChain/DeepAgent or similar; API integrations; multi-agent systems; strong prompt engineering

Python, LangChain, DeepAgent, LangGraph, CrewAI, AutoGen, API integrations, Celery, RQ, Temporal, Weaviate, Pinecone, pgvector, CLAUDE, Cursor, Copilot, LLM APIs

1mo

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1mo

Senior AI Engineer

Atlanta or Boston or Charlotte or Chicago or Dallas or Los Angeles or New York or San Francisco

$145k-$230k/yr HybridFull Time

Accordion: Provides financial consulting services to private equity firms.

3+ YOE3–8+ years software engineering experience with AI/ML systems; production LLM apps (RAG, agentic workflows); Python; LangChain/LangGraph/AutoGen/DSPy; strong data engineering basics.

Python, LangChain, LangGraph, AutoGen, DSPy, SQL, NoSQL, Vector databases, ETL

1mo

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1mo

AI Engineer (On-Site, Calabasas Office - Immediate Hire)

Calabasas, California, United States

OnsiteFull Time

Get Covered: Provides software for property insurance administration and tracking.

2+ YOE2–3 years in AI engineering or software development; strong AI prompting; RESTful API design; Python, React, Node.js, Express.js, Ruby on Rails; SQL databases; AWS/Heroku; AI tools; onsite in Calabasas, CA; Bachelor's in CS.

Python, React, Node.js, Express.js, Ruby on Rails, SQL, MySQL, PostgreSQL, AWS, Heroku, GitHub CI/CD, Claude, Cursor, OpenAI, RESTful API

2mo

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2mo

Autonomy Simulation Engineer (Unreal)

El Segundo, California, United States

$100k-$150k/yr OnsiteFull Time

Neros: Manufacturer of low-cost, combat-proven drones for defense applications.

2+ YOE2+ years in C++/Python/C# or game development; Unreal Engine experience; UE plugins or AirSim; experience with game assets.

Unreal Engine, AirSim, C++, Python, C#

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Intern, Applications Developer

Burbank, California, United States

$19/hr OnsiteInternship

Pixelogic Media: Provides digital media localization and distribution services for studios.

Pursuing CS/SE degree; knowledge of Python/JavaScript; Linux familiarity; GitHub/Atlassian tools; basic SDLC; strong problem solving and communication; team player.

Python, JavaScript, Linux, GitHub, Confluence, Jira

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

2mo

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2mo

Technical Strategy & Business Engineer

Hawthorne, California, United States

$134k-$144k/yr OnsiteFull Time

Oligo: Automating spacecraft design and manufacturing using AI generative models.

Bachelor’s/Master’s in CS/Engineering/AI/ML/Aerospace; strong software engineering; Python/TypeScript; APIs, databases, CI/CD, Docker; high ownership; strong communication; startup mindset.

Python, TypeScript, APIs, Databases, CI/CD, Docker

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Software Engineering Intern, Avionics Design Team

Redondo Beach, California, United States

$32/yr OnsiteFull Time, Internship

Impulse Space: Developing in-space transportation services and orbital transfer vehicles.

Currently enrolled in a bachelor’s or master’s program in CS or EE; experience with Python/JavaScript; able to explain complex system interactions.

Python, JavaScript, CAD, NX, SQL, NoSQL, PostgreSQL, AWS, Azure

3mo

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3mo

Senior Full Stack Platform Engineer

Los Angeles, California, United States

RemoteFull Time

Salt AI: AI orchestration platform for life sciences and healthcare organizations.

5+ YOE5+ years backend development with Django/Python; Kubernetes; REST/GraphQL; AI/ML workflows; real-time data processing; strong communication.

Django, Python, Kubernetes, REST, GraphQL, Git, Docker, React, TypeScript

1mo

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1mo

Senior Machine Learning Engineer, Recommendations (Experience)

Berlin or London or New York or Los Angeles

HybridFull Time

SoundCloud: Online audio distribution platform and music sharing website.

2+ YOEProduction ML systems experience; strong software engineering (Scala/Python/Go); SQL (BigQuery/Spark); distributed pipelines; cloud (AWS/GCP); TensorFlow/PyTorch; Airflow; data pipelines; scalable serving.

Scala, Python, Go, BigQuery, Airflow, BigTable, DynamoDB, Terraform, Docker, Kubernetes, TensorFlow, PyTorch, Spark

1mo

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1mo

Staff AI Engineer - Applied AI (Remote)

Los Angeles or United States

$207k-$243k/yr RemoteFull Time

Rula: Connects patients with insurance-covered therapists through a digital platform.

8+ YOE8+ years AI/ML development; 5+ years Python; backend experience; foundation models; evaluation pipelines; LLM integration; AIOps; strong communication; Bachelor’s in ML or related field.

Python, JavaScript, TypeScript, Java, Go, LangChain, LlamaIndex, DSPy, Haystack, Pinecone, Weaviate, FAISS, Milvus, OpenAI, Anthropic, Bedrock, Gemini, RAG, tool calling, vector databases

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Backend Engineer

Los Angeles or San Francisco

$100k-$150k/yr RemoteFull Time

Fore Enterprise: Builds custom AI solutions and workforce analytics for enterprises.

2+ YOE2-5 years backend experience; Bachelor's in CS or related field; cloud data pipelines; Python with data libraries; NLP familiarity; Git proficiency; strong communication and data integrity.

Python, Pandas, NumPy, SciPy, Git, GCP, NLP

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AI Engineer

Woodland Hills or Jersey City or Houston

$122k-$148k/yr HybridFull Time

Corebridge FinancialNYSE: CRBG: Provides life insurance and retirement products in the United States.

5+ YOE5+ years in AI/ML, design/build/deploy AI solutions, strong Python, foundation models/RAG, prompts, APIs; AWS/Docker/CI-CD; LangChain/Semantic Kernel; degree in CS/AI; cloud experience.

Python, LangChain, Semantic Kernel, APIs, AWS, Docker, CI/CD, Sagemaker, Bedrock, Guardrails, AgentCore

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Prompt Engineer, AI

Los Angeles, California, United States

RemoteFull Time

HerbalifeNYSE: HLF: Sells nutrition, weight management, and personal care products globally.

5+ YOE5+ years in AI/ML/NLP with focus on LLMs and prompt engineering; strong testing, experimentation, and ethics in AI; Python for automation; experience with LLM APIs and RAG.

Python, OpenAI API, Anthropic API, Azure OpenAI, Vector databases, RAG

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Modeling Simulation Software Engineer

El Segundo, California, United States

$120k-$160k/yr OnsiteFull Time

Space Systems Integration: Provides systems engineering and technical advisory for aerospace missions.

5+ YOEBachelor's degree in aerospace, astronautics, mathematics, or physics with five years of experience; proficiency in multiple programming languages; experience with LVC simulation; knowledge of STK/AFSIM/GMAT/FreeFlyer; MATLAB/Simulink; security clearance requirements.

MATLAB, Python, Java, C#, C++, STK, AFSIM, GMAT, FreeFlyer, Simulink

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QA Automation Engineer

Los Angeles, California, United States

$150k-$175k/yr HybridFull Time

VikingNYSE: VIK: Provides destination-focused river, ocean, and expedition cruise voyages.

6+ YOE6+ years QA automation for enterprise apps; Selenium WebDriver; automation frameworks in Java, C#, or Python; API testing; CI/CD integration; cloud (Azure).

Selenium WebDriver, Java, C#, Python, TestNG, NUnit, JUnit, Azure DevOps, REST APIs, CI/CD, Azure

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Senior Product Engineer

Culver City, California, United States

$147k-$182k/yr HybridFull Time

Modern Animal: Membership-based veterinary clinics providing digital and in-person pet care.

5+ YOE5+ years building and shipping software; experience leading cross-functional initiatives; strong collaboration with product, design, and non-technical stakeholders.

AWS, Python, PostgreSQL, React, React Native, TypeScript

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Sr. Machine Learning Engineer

Santa Barbara, California, United States

$160k-$220k/yr RemoteFull Time

MixMode: Provides AI-powered real-time cyber threat detection and defense.

5+ YOE5+ years Python in production; ML with PyTorch/scikit-learn; distributed systems and streaming tech; strong math foundation.

Python, PyTorch, scikit-learn, pandas, Kubernetes, microservices, streaming systems, Spark, Flink, Java, JavaScript, TypeScript

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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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Lead Engineer for Health-Tech Startup

Culver City, California, United States

$180k-$250k/yr HybridFull Time

Shortlists: AI-powered recruitment CRM for candidate management and screening.

Strong hands-on coding in Python, PostgreSQL, AWS; ownership of deployment pipelines; autonomous work; balance of leadership and IC duties.

Python, PostgreSQL, AWS, React, TypeScript, Terraform

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Staff Fullstack Engineer (Technical Lead – On-Site, West Hollywood, CA)

West Hollywood, California, United States

$175k-$200k/yr OnsiteFull Time

COVU: AI-native platform for insurance distribution and agency risk management.

10+ YOE10+ years software engineering; senior technical leader; hands-on ~50%; strong full-stack with Node/Python, React/Next.js, PostgreSQL, AWS; on-site in West Hollywood, CA; must be based in LA or willing to relocate.

Node, Python, PostgreSQL, AWS, React, Next.js

2mo

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2mo

Forward Deployed Engineer

Venice, California, United States

$120k-$150k/yr OnsiteFull Time

Kindo: Platform for secure enterprise AI adoption and automation.

3+ YOE3+ years in technical post-sales or customer-facing role; strong cloud/SaaS/DevSecOps experience; production with LLMs; Python and other languages; strong communication and proactive, collaborative mindset.

Python, Typescript, Java, LLMs

2mo

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2mo

Senior blockchain gambling engineer with sports gambling experience

Santa Monica, California, United States

OnsiteFull Time

OleOle: Decentralized social and messaging super app for football fans.

5+ YOE5+ years blockchain development; Solidity, Rust, JavaScript, Python, Go; dApps and smart contracts; crypto payments; security audits; Layer 2; API/backend integration; regulatory knowledge in gambling.

Solidity, Rust, JavaScript, Python, Go, Mythril, Slither, MetaMask, Trust Wallet, Django, Express.js

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Staff Fullstack Engineer

San Francisco or Los Angeles or Portland or Seattle

$214k-$235k/yr RemoteFull Time

CreatorIQ: Software for managing and measuring enterprise influencer marketing campaigns.

Senior staff engineer focused on AI/ML-driven backends, with Node.js, Python, React, TypeScript, and cloud experience (AWS/GCP), building scalable APIs, data pipelines, and cross-stack collaboration.

Node.js, Python, React, TypeScript, AWS, GCP, Aurora, RDS, S3

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Mid/SR. Full-Stack Engineer

Santa Monica, California, United States

$175k-$200k/yr HybridFull Time

Athlete to Athlete: Matches youth athletes with college mentors for 1-on-1 virtual coaching.

Full-stack engineer with React/Next.js, Python/Django, Postgres; AI-native mindset; startup experience.

React, Next.js, Python, Django, Postgres, Vertex AI, LLM APIs

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Senior Engineer, AI Tooling & Developer Productivity

Glendale, California, United States

$150k-$180k/yr OnsiteFull Time

Moon: Building an AI-powered SaaS platform for business operations.

Experience driving AI tooling adoption; strong AI/coding tool proficiency; implementation of multi-agent systems; backend/frontend full-stack capability; production AI integrations.

DotNet/CSharp, Python, TypeScript, Capacitor, GitHub Copilot, Claude Code, OpenAI API, Anthropic/Claude, LLM APIs, RAG, MCP

1mo

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1mo

Lead Engineer, Game AI

Santa Monica, California, United States

$170k-$210k/yr OnsiteFull Time

Absurd Ventures: Creating original storytelling universes across video games and multimedia

7+ YOE2+ Mgmt7+ years in game development AI; senior/lead AI engineer; C++ expert; AI techniques incl. state machines, behavior trees, navigation; cross-team leadership.

C++, Unreal Engine, Python, Lua, EQS, Behavior Trees