Python Developer Jobs in Downey, CA, US

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Principal Software Engineer

Los Angeles, California, United States

$220k-$320k/yr HybridFull Time

Q-CTRL: Develops AI-powered software to stabilize and optimize quantum technology.

10+ YOE10+ years software engineering; architecture leadership; cloud-native; Python, Rust or Go; DevOps; strong communication; 30% coding, 70% leadership.

Python, Rust, Go, CI/CD, infrastructure-as-code

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Data Engineer III

Los Angeles or San Francisco or Dallas

$148k-$185k/yr HybridFull Time

Crunchyroll: Global streaming platform for anime and manga content.

5+ YOE5+ years backend engineering, microservices, APIs, event-driven systems; strong TypeScript and Python; AWS; DB design (relational, NoSQL, graph).

TypeScript, Python, Node.js, AWS, Docker, Kubernetes, Kafka, SNS/SQS, EventBridge, Kinesis, DynamoDB, PostgreSQL, MySQL, Neo4j

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Lead Data Engineer

Los Angeles, California, United States

$174k-$230k/yr RemoteFull Time

Atticus: Platform connecting people to disability benefits and legal aid.

4+ YOE4+ years data engineering; BigQuery/dbt; Dagster/Airflow; SQL; Golang/Python; modernize data systems; strong cross-team collaboration

BigQuery, dbt, Dagster, Airflow, SQL, Golang, Python

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Engineer III - Planner/Analyst - Landside/Process

Los Angeles, California, United States

$158k-$200k/yr HybridFull Time

Cornerstone Concilium: Delivering engineering and project management for public infrastructure projects.

5+ YOE5-12 years in planning, operations, simulation and data analysis; experience with Synchro, VISSIM, Simio; proficient with MS Office; preferred Python/R/SAS and analytics tools.

Cubic Synchro Studio, PTV VISSIM, Simio, Python, R, SAS, Excel, Power BI, Tableau, GIS, AutoCAD, Revit, BIM, Visio

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Senior Data Engineer

Venice Beach, California, United States

RemoteFull Time

tapouts: Provides online emotional and social skills coaching for children.

5+ YOE5+ years data engineering; strong SQL and Python; cloud platforms (AWS, GCP, or Azure); ETL/ELT; Airflow/Prefect; big data (Spark, Kafka, Flink); data warehousing (Snowflake,BigQuery,Redshift); data modeling/architecture.

SQL, Python, Cloud platforms (AWS, GCP, Azure), Data orchestration tools (Airflow, Prefect), Big data frameworks (Spark, Kafka, Flink), Data warehousing (Snowflake, BigQuery, Redshift), dbt, Data governance tools

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Senior Data Engineer

Los Angeles, California, United States

$185k-$200k/yr OnsiteFull Time

United Talent Agency: Global talent agency representing artists and creators across entertainment.

6+ YOESenior data engineer with 6+ years in data engineering, SQL/Python, data warehouses, ETL/ELT, cloud, and BI tools; leadership experience preferred.

Snowflake, Redshift, BigQuery, Databricks, dbt, Apache Airflow, Looker, Tableau, Power BI, SQL, Python, Spark, Delta Lake

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Staff Data Engineer

San Francisco or Los Angeles or New York

$200k-$250k/yr HybridFull Time

Laurel: AI-powered time tracking platform for professional services firms

Strong Python, data engineering, and ML infrastructure experience; AWS, Airflow, Kubernetes; SQL/NoSQL databases; scalable data pipelines and AI model serving.

Python, Django, Airflow, Kubernetes, AWS, Terraform, PostgreSQL, MongoDB, Snowflake, Clickhouse, Kafka, SQS, OLAP, Vector Databases, Airflow

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Lead Quant Engineer

Los Angeles or New York

$195k-$225k/yr HybridFull Time

TCW: Global asset management firm providing investment and advisory services.

12+ YOESenior, individual contributor engineer for architecture, leadership and hands-on development of analytics platforms.

Python, Azure, Cloud, Data Platforms, Workflow Orchestration Tools

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Cloud Reliability Engineer

Irvine or Los Angeles

$120k-$150k/yr OnsiteFull Time

Viant TechnologyNASDAQ: DSP: Provides an AI-powered programmatic advertising platform for marketers.

3+ YOE3+ years in DevOps/SRE, Linux admin, cloud (AWS/Google), serverless, Docker/Kubernetes, Terraform, CI/CD (GitHub Actions), Python/Go, SQL/BigQuery.

AWS, Google Cloud, Docker, Kubernetes, Terraform, GitHub Actions, Python, Go, SQL, BigQuery

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Test Engineer II

Buena Park, California, United States

$94k-$110k/yr OnsiteFull Time

Leach International Corporation: Designs and manufactures electrical relays and aerospace power systems.

3+ YOEBachelor's in Electrical Engineering or Computer Science; 3-5 years in test engineering; aerospace standards knowledge; programming in LabVIEW/Python; experience with test equipment and environmental testing.

LabVIEW, Python, Altium, Eagle, OrCAD, Microsoft Office

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Linux Systems Engineer

Pomona, California, United States

OnsiteFull Time

LERETA: Provides real estate tax and flood services for mortgage lenders.

10+ YOESenior Linux systems engineer with 10+ years in production, Azure expertise, scripting (C and Python), and experience with F5 BIG-IP and HAProxy; strong networking and security practices.

Linux (RHEL/Ubuntu), Python, C, F5 BIG-IP, HAProxy, Azure, Docker, CI, SELinux, auditd

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Test Support Engineer

Foster City or Irvine or Fremont or Hayward

$105k-$115k/yr OnsiteFull Time

ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.

3+ YOEBS in engineering/CS/physics; 3+ years in manufacturing/testing of electronic assemblies; strong Python/bash; Linux; APIs; Git; CI/CD; factory automation knowledge.

Python, Shell scripting, Linux, Git, CI/CD, Bazel, APIs, CAN, Ignition, MES, Networking

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Aerodynamics Engineer - Air Vehicles

Costa Mesa, California, United States

$70k-$78k/yr OnsiteFull Time

Goken: Provides engineering and product development services for the mobility industry.

5+ YOEBS or higher in Aerospace Engineering; 5+ years experience; CFD tools; wind tunnel and flight test experience; programming in MATLAB/Python; Star-CCM proficiency; eligible for US Secret clearance.

Star-CCM, MATLAB, Python, CFD

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Sr. Data Engineer

San Jose or Austin or San Francisco or Seattle or Los Angeles or Atlanta or Lehi or New York or Chicago

$139k-$258k/yr OnsiteFull Time

AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics

5+ YOEEnterprise Data Engineer with consulting background; AWS Data/Cloud certs; 5+ years data integrations on AWS; 7+ years Python (PySpark); experience with Airflow, MongoDB, MySQL; Docker/Kubernetes a plus; BS/MS in CS or equivalent; strong problem solving and communication.

AWS, Python, PySpark, Apache Airflow, MongoDB, MySQL, Docker, Kubernetes

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Senior Software Engineer (Full-Stack)

Los Angeles, California, United States

HybridFull Time

8Fleet: Managed fleet operations for rideshare and autonomous vehicles.

5+ YOE5+ years of progressive software engineering experience; strong backend and frontend expertise; cloud and database proficiency; mentoring capabilities.

Python, Go, Node.js, React, Vue, Angular, PostgreSQL, MySQL, MongoDB, AWS, GCP, Azure, Docker, Kubernetes

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Prinicipal Emulation Engineer

Santa Clara or Irvine

$159k-$238k/yr OnsiteFull Time

MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.

10+ YOEBS in computing/engineering with 10+ years verif/firmware; MS/PhD with 5+ years; SystemVerilog/UVM; test planning; Python/Perl; Linux; C++/ARM; networking a plus.

SystemVerilog, UVM, Python, Perl, Tcl, Shell, C++, ARM, Linux, Synopsys, Cadence, Siemens

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Solutions Data Engineer

San Jose or Los Angeles

$116k-$174k/yr OnsiteFull Time

FloQast: Cloud-based platform for automating monthly financial close processes.

3+ YOE3+ years in data integration/analytics; SQL, Python; Excel; large CSV/TSV; data modeling, validation; strong cross-functional communication; comfortable with ambiguity; production-ready mindset.

SQL, Python, Excel, APIs, CSV, TSV

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Electrical Engineer II

Anaheim, California, United States

OnsiteFull Time

Cristek Interconnects: Manufactures specialized electrical connectors and cable assemblies for aerospace.

2+ YOEBS or advanced degree in Electrical Engineering; minimum 2 years experience; PCB design; LabView/Python/Matlab; RF/microwave cables; automated systems; EMI knowledge; strong communication.

LabVIEW, Python, Matlab, Oscilloscopes, Network Analyzers, Multi-meters, PCB design

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IT Security Engineer

Kansas City or Atlanta or Birmingham or Boston or Chattanooga or Chicago or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Los Angeles or Miami or Nashville or New York or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or St. Joseph or St. Louis or Wilmington or Washington

$100k-$120k/yr HybridFull Time

Polsinelli: Am Law 100 law firm providing comprehensive legal services.

2+ YOE2-4 years in security engineering and on-prem security; AD with Azure; SIEM workflows; scripting (Python/PowerShell); metrics/logging (Splunk-like) experience; BS in CS/CE/IS or equivalent.

Active Directory, Azure, SIEM, Python, PowerShell, Splunk-like logging

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Maximo MAS Engineer

Monrovia, California, United States

$104k-$166k/yr RemoteFull Time

Peraton: National security and mission-critical government technology services provider.

8+ YOE8+ years with BS/BA; 6+ years with MS/MA; 3+ years with PhD; Docker/Kubernetes; Linux; SQL; Python/Java; Maximo EAM; strong PM and leadership skills.

Docker, Kubernetes, Linux, SQL, Python, Java, Maximo, Maximo Integration Framework, OpenShift

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Platform Reliability Engineer

New York or Jacksonville or Santa Monica

$120k-$190k/yr OnsiteFull Time

TWG Global: Investment holding scaling AI across finance and sports.

3+ YOE3–6 years in DevOps/SRE/backend engineering; strong Docker/Kubernetes/Terraform; Python/Bash; observability stacks; cloud (AWS/GCP/Azure); strong documentation and incident response.

Docker, Kubernetes, Terraform, GitLab/GitHub Actions, Airflow, Prometheus, Grafana, ELK, Datadog, AWS, GCP, Azure, Python, Bash

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Flight Test Engineer

El Segundo, California, United States

$118k-$150k/yr OnsiteFull Time

CX2: Builds AI-powered platforms for electromagnetic spectrum defense.

2+ YOEBachelor’s in engineering; 2-5 years in safety-critical testing; on-site testing; Python familiarity; travel >25%; ITAR requirements; willing to relocate to Los Angeles; prior military experience preferred.

Python

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Principal Software Engineer

Tampa or Thousand Oaks

$157k-$212k/yr HybridFull Time

AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.

Senior software engineer role requiring advanced cloud, full-stack development, AI/ML concepts, and team leadership.

Python, JavaScript, SQL, NoSQL, AWS, Langchain, llamaIndex, DevOps, MLOps, API integration

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Senior Data Engineer

El Segundo, California, United States

$185k-$210k/yr OnsiteFull Time

Los Angeles Lakers: Operates the Los Angeles Lakers professional basketball team.

6+ YOE6+ years of experience; expert SQL/relational databases; cloud platforms (AWS preferred); data pipelines and orchestration (Airflow); Docker/Kubernetes; Python; knowledge of ML workflows; strong data transformation skills.

Airflow, dbt, AWS, Docker, Kubernetes, Python, SQL, Snowflake, Parquet

3mo

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3mo

Azure AI Engineer

Huntington Beach, California, United States

$103k-$135k/yr OnsiteFull Time

Cambro: Manufactures equipment and supplies for the global foodservice industry.

5+ YOE5+ years AI/ML engineering; Python and ML frameworks; Azure AI services; Copilot Studio; Power Platform; forecasting/time series; LLMs; Lakehouse architecture; MLOps; MCP/A2A knowledge.

Python, scikit-learn, PyTorch, TensorFlow, Azure Machine Learning, Azure AI Foundry, OpenAI on Azure, Copilot Studio, Power Platform, Microsoft Fabric, Delta Lake, Medallion Architecture, CI/CD, MLOps

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ML Infrastructure Engineer

Los Angeles or Vancouver or Boston or Chicago or Vancouver

$145k-$165k/yr RemoteFull Time

Later: Provides software for social media scheduling and influencer marketing.

4+ YOE4+ years in ML Ops or related roles; cloud (AWS/GCP); CI/CD for ML; Python; Docker; Kubernetes; Terraform; monitoring tools.

AWS, GCP, Docker, Flask, Terraform, CloudFormation, GitHub Actions, GitLab CI, Bitbucket Pipelines, Kubernetes, SageMaker, MLflow, Weights & Biases, TorchServe, Seldon, TensorRT, BigQuery, Prometheus, Grafana, CloudWatch, GKE, EKS, Python, Go, Java, Scala

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Delivery Engineer | Splunk (W2PE)

Denver or Irvine

$100-$125/hr RemoteContract

Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.

3+ YOEMinimum 3 years in technical consulting or big data analytics; strong data exploration across sources; experience with Unix/Windows; scripting (bash), Java, Python, .NET; excellent oral skills; remote US location; Splunk knowledge a plus.

Splunk, Unix, Windows, bash, Java, Python, .NET, Databases, Analytical tools

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Lead AI / LLM Systems Engineer – Egofold

Culver City, California, United States

$150k-$200k/yr HybridFull Time

Snail GamesNasdaq: SNAL: Develops and publishes interactive video game entertainment.

Senior AI engineer with production experience in LLMs, agent training, and scalable AI systems.

Python, C++, C#, Unreal Engine

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Senior Flight Test Engineer

Long Beach, California, United States

$130k-$170k/yr OnsiteFull Time

JetZero: Designing high-efficiency blended-wing body aircraft for sustainable aviation

10+ YOE10+ years in experimental flight test; lead test activities; strong aircraft systems knowledge; MATLAB/Python proficiency.

MATLAB, Python

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Test Engineer II

Torrance, California, United States

OnsiteFull Time

Mercury SystemsNASDAQ: MRCY: Provides secure processing solutions for aerospace and defense missions.

3+ YOEBachelor’s in electrical engineering, computer science, or manufacturing engineering; 3+ years in hardware testing; PCB validation; MIL-STD and DoD standards experience; LabVIEW, Python, MATLAB; on-site role in Torrance, CA; U.S. government security clearance required.

LabVIEW, Python, Bash, C#, C++, MATLAB, Jama, Jira, Bitbucket

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Spacecraft Test Engineer, Structures

Seal Beach, California, United States

$94k-$140k/yr OnsiteFull Time

AstroForge: Extracting valuable platinum group metals from near-Earth asteroids

3+ YOEBachelor's in engineering; 3+ years spacecraft/aerospace testing; strong EE and ME fundamentals; Python/C++ for automation; lab equipment experience; onsite in Seal Beach, CA; strong communication.

Python, C++, Oscilloscopes, Spectrum Analyzers, Power Supplies, EGSE, MGSE

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AI/ML Engineer (AWS)

Irvine or Los Angeles

$120k-$140k/yr RemoteFull Time

ReplyBorsa Italiana: REY: Digital transformation, IT consulting, and system integration services.

3+ YOESenior AI/ML engineer with 3+ years in ML/AI, Python, AWS, and deploying models; US citizenship or green card; BS in CS/Engineering; experience with LLMs and Gen AI.

Python, AWS, Large Language Models, Generative AI, Machine Learning, ML Pipelines, Retrieval-Augmented Generation

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Data Engineer II

Rancho Cucamonga, California, United States

$104k-$172k/yr HybridFull Time

Inland Empire Health Plan: Provides managed healthcare coverage to residents of the Inland Empire.

4+ YOEFour years of data engineering experience; strong SQL; ETL development; Azure data tools; experience with PySpark; multi-server SQL; data warehousing; CI/CD tooling.

SSIS, Azure Data Factory, Synapse Analytics, Azure Databricks, PySpark, Power BI Dataflows, Power Query, Azure Cosmos, Azure Monitor, PowerShell, Python

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Perceptual Audio Engineer (Research)

Northridge, California, United States

$134k-$197k/yr RemoteFull Time

Harman: Designs and engineers connected products for automakers, consumers, and enterprises.

5+ YOE5+ years in perceptual audio, audio quality evaluation, or related research; strong psychoacoustics and statistics; Python and/or MATLAB; ML tooling familiarity.

Python, MATLAB, ML frameworks, DSP concepts

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Sr. Power Electronics Engineer

Foothill Ranch, California, United States

$130k-$160k/yr OnsiteFull Time

TAE Technologies: Developing commercial fusion energy and advanced power management technologies.

4+ YOE4+ years in power electronics design/modeling; HV/HV systems; EMI/EMC; grid-connected integration; MATLAB/Simulink; Python; FPGA; LabVIEW a plus; CAD/PCB tools; safety features.

MATLAB, Simulink, Python, FPGA, LabVIEW, AutoCAD, SolidWorks Electrical, Altium

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Sr. Data Engineer- Rancho Cucamonga, CA

Rancho Cucamonga, California, United States

$115k-$140k/yr OnsiteFull Time

Velocity Vehicle Group: Operates commercial truck dealerships and provides business financing services.

5+ YOE5+ years data engineering; bachelor's in IT/CS or equivalent; Strong SQL; Azure Data Factory; ETL; data warehousing; REST APIs; Python; stakeholder communication; leasing domain experience preferred.

Azure Data Factory, Microsoft SQL Server, SSRS, SSIS, SSAS, REST APIs, Python, Data Warehousing, BI reporting tools, Azure, SQL

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DevOps & Cloud Engineer - Requisition: 00072166

Los Angeles, California, United States

$185k/yr RemoteFull Time

Aristotle Capital Management: Specialized investment management for institutional and advisory clients globally.

6+ YOEBachelor's in Computer Systems/Engineering or related field; 6 years of DevOps/Cloud Engineer experience; strong Python, CI/CD, IaC, Kubernetes, and cloud skills.

Python, Jenkins, CI/CD, Infrastructure as Code, Kubernetes, Docker, Datadog, Splunk, New Relic, Power BI, Tableau, Microsoft 365, Atlassian Confluence, Jira, Hashicorp Vault, RDS, Aurora, MySQL, PostgreSQL, SQL Server, ElastiCache, Lambda, SNS, SQS, CloudTrail, CloudWatch, EKS, S3, VPC, Route 53, AWS Control Tower, Landing Zones, NFS, SMB, Git, Terraform, Ansible, AWS CloudFormation, Linux scripting, Jenkins Shared Library

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Palantir Forward Deployed Senior Engineer

Chicago or Milwaukee or Dallas or Columbus or Kirkland or New York or Cincinnati or St. Louis or Cleveland or Oklahoma City or Austin or Albany or St. Pete or Hartford or Pittsburgh or Phoenix or Seattle or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or San Francisco or Morristown or Denver or Boston or United States

HybridFull Time

AccentureNYSE: ACN: Global provider of management consulting and technology services.

5+ YOE5+ years data engineering; 3+ years Palantir Foundry/Gotham; 3+ years AI techniques with Palantir AIP; 5+ years cloud (AWS/Azure/GCP); 5+ years Python, PySpark, Java; Bachelor’s degree in CS/Engineering or equivalent

Python, PySpark, Java, Palantir Foundry, Palantir Gotham, AIP

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Mechanical Build Engineer

Los Angeles, California, United States

OnsiteFull Time

Amca: Acquires legacy suppliers to manufacture advanced aerospace components.

1+ YOEBachelor's or advanced degree in aerospace, manufacturing, materials, mechanical engineering, or engineering physics; 1+ years of engineering experience in manufacturing, design, test, or development; strong fundamentals in thermodynamics, fluid dynamics, and solid mechanics.

Siemens NX, Python, MATLAB, GD&T, CAD