76 python backend developer jobs at 41 companies in Fallbrook, CA
2mo
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Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yr HybridFull Time
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
Ruby, Python, Go, AWS, SQL, NoSQL, ETL, LLM
3w
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Senior Network Backend Engineer
San Francisco or San Diego
$215k-$266k/yr HybridFull Time
7+ YOE7+ years backend/distributed systems experience, proficiency in Go/Java/Python, networking fundamentals (TCP/IP,TLS,HTTP), cloud (AWS/GCP), observability, testing, and strong design and operational skills.
Go, Java, Python, TCP/IP, TLS, HTTP, gRPC, Kafka, Flink, Spark, Hadoop, AWS, GCP, NTRIP
3w
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Sr. Backend Engineer, Digital Engineering
Carlsbad, California, United States
$148k-$180k/yr RemoteFull Time
5+ YOEBachelor's degree preferred,5+ years backend experience,expertise in TypeScript/Node.js or comparable language,REST/GraphQL,serverless,PostgreSQL,testing,CI/CD,observability and strong communication.
TypeScript, Node.js, JavaScript, Python, REST, GraphQL, Azure Functions, AWS Lambda, PostgreSQL, Jest, JWT, OAuth, GitHub, Bitbucket, YAML, New Relic, Sentry, Azure Application Insights, React, NestJS, Next.js, Express, Fastify, Shopify APIs, Azure Bicep, Amazon CDK, Terraform, Azure Service Bus, Amazon Data Firehose
3mo
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Senior Software Engineer, Backend Systems
San Diego or Austin
$175k-$200k/yr OnsiteFull Time
7+ YOEU.S. citizenship required. 7+ years backend experience with deep Python expertise, asynchronous/concurrency, memory optimization, network protocols (gRPC/REST/WebSockets), Docker/Kubernetes; C++, Go, Rust advantageous.
Python, gRPC, REST, WebSockets, Docker, Kubernetes, C++, Go, Rust
1mo
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Senior Software Engineer, Back-End (Power Packs)
Santa Ana or California or New Jersey or Texas or Florida or Japan or Shanghai or Hong Kong or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
5+ YOE5+ years building backend/data-intensive systems; 4+ years with Java and Spring Boot; strong database and data modeling skills (PostgreSQL, DynamoDB); AWS, serverless, containerization, and API design experience; strong communication.
Java, Spring Boot, PostgreSQL, DynamoDB, AWS, AWS Lambda, Docker, Kubernetes, ECS, Apache Kafka, Python, pytest, unittest, Node.js, TypeScript, Claude, Twitch
2mo
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Software Engineer III - Backend
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
5+ YOE5+ years backend engineering; strong API, databases, and CI/CD; Python/JavaScript/TypeScript; healthcare/regulatory exposure a plus.
Python, JavaScript, TypeScript, React, REST, CI/CD, Linux
2mo
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Software Development Engineer II- Back End
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
2+ YOE2+ years backend engineering experience; professional experience with Python, Node.js/JavaScript, and Java; experience with ArcGIS Enterprise, containerization (Docker/Kubernetes), API design, and Top Secret/SCI clearance required; Bachelor's in STEM.
Python, Node.js, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
1mo
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Java Developer (CCDI Operations / Backend) (Mid-Level) - Bilingual in Korean/English
Irvine, California, United States
$100k/yr OnsiteFull Time, Contract
Mid-level Java/Python backend developer with CI/CD and Kubernetes experience, database integration (PG, Oracle, MongoDB, Redis), Kafka streaming, production support/on-call experience, and strong English (and Korean) communication.
Kubernetes, CI/CD, MSA, Java, Python, PG, Oracle, MongoDB, Redis, Kafka, Informatica, MQTT, EAI
1mo
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Senior AI Engineer
San Diego or Washington or Texas
RemoteFull Time
5+ YOEBachelor's in CS or equivalent, 5+ years in backend/distributed systems/data platform development, proficiency in Java/Go/Python, RESTful API design, SQL/NoSQL, Kubernetes, cloud knowledge, experience with LLMs/agentic AI and AI productivity tools.
Java, Go, Python, SQL, NoSQL, Kubernetes, Kafka, GitHub Copilot, LLMs
2d
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AI Enablement and Developer Experience
Fort Mill or Charlotte or San Diego
$115k-$192k/yr HybridFull Time
7+ YOE7+ years building backend services, SDKs, and developer platforms; 2+ years AI application experience; Bachelors in CS/Engineering or equivalent; proficiency with Python or Java; strong systems design and collaboration skills.
Python, Java
1mo
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Senior Software Engineer - Simulation Orchestration
Sunnyvale or Washington or San Diego or Fort Walton Beach or Ann Arbor or London or Stuttgart or Munich or Stockholm or Bengaluru or Seoul or Tokyo
$153k-$220k/yr OnsiteFull Time
5+ YOE5+ years backend experience; 4+ years coding in Golang, Python, Java, or C++; 4+ years building backend systems on major cloud providers; deep Kubernetes expertise; experience with workload scheduling and autoscaling.
Golang, Python, Java, C++, Kubernetes, AWS, OCI, GCP, Azure
2mo
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Software Engineer
United States or Irvine
$110k-$130k/yr RemoteFull Time
5+ YOE5+ years software development; Bachelor's degree in software engineering or computer science; strong backend and frontend skills; AWS experience; SQL and CI/CD knowledge.
Java, Spring, JSF, Hibernate, Spring JPA, Node.js, ReactJS, Angular, CSS, HTML, AWS, EC2, ECS, AWS Lambda, S3, SQS, SQL, Python
2mo
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Senior Software Engineer
San Diego, California, United States
$110k-$160k/yr OnsiteFull Time
Architect backend services, frontend basics, unit testing, code reviews; Bachelor or higher; strong communication; experience with MySQL, Python, React, Redis, AWS, CI/CD.
MySQL, Python, React, Redux, Redis, AWS, CI/CD
2mo
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Software Engineer - Platform Infrastructure
San Diego, California, United States
$130k-$155k/yr OnsiteFull Time
0+ YOE0–3 years in systems or backend; CS/CE/EE degree; proficient in Python, C/C++, TypeScript, or Rust; Linux experience; on-site in San Diego; AI tooling; strong communication.
Python, C/C++, TypeScript, Rust, Linux, Terraform, ECS, PostgreSQL, S3
1mo
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Senior Software Engineer, Platform
Irvine or Newport Beach or Denver or San Francisco or Seattle
$185k-$200k/yr HybridFull Time
5+ YOE5+ years backend software engineering experience; hands-on AWS, Python, Django, and Postgres; strong DevOps/SRE fundamentals (CI/CD, observability, incident response); networking and distributed systems knowledge.
AWS, Python, Django, Postgres, Kubernetes, CI/CD, Infrastructure as Code (IaC), ML Ops
1mo
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Enterprise Automation & AI Developer
Newport Beach, California, United States
$150k-$185k/yr RemoteFull Time
5+ YOE5+ years software development, bachelor\u0002s in engineering/computer science or equivalent, full-stack development (backend and frontend), QA automation experience, experience with APIs, databases, deployments, and use of AI coding tools.
Python, Node.js, TypeScript, C#, Java, React, Next.js, Vue, Angular, Playwright, Cypress, Selenium, Jest, PyTest, Postman/Newman, Revit, Autodesk Construction Cloud, BIM 360, Git
1mo
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Web Developer | Active Secret clearance
San Diego or United States
$81k-$109k/yr HybridFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
2+ YOEActive Secret clearance, US citizenship, 2+ years web application development experience with JavaScript/React, frontend and backend familiarity, SQL knowledge, and IAT II / CompTIA Security+ CE certification.
JavaScript, React.js, HTML, CSS, Redux, Redux Toolkit, React Context, RESTful APIs, SQL, Microsoft Access, Java, Spring, Node.js, Python, Django, Flask, Git, Docker, Linux, Maven, npm, GitLab, GitHub, TypeScript, PostgreSQL, Microsoft SQL Server, SQL Server Reporting Services, IBM Engineering Requirements Management DOORS, DXL
1w
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Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
3w
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LoopNet - Senior Software Engineer
Irvine, California, United States
$124k-$187k/yr HybridFull Time
7+ YOE7+ years production C#/.NET development, bachelor's degree, experience building APIs/backends, testing, cloud (AWS) experience, mentoring, and familiarity with AI coding tools.
C#, .NET, .NET Core, Claude Code, GitHub Copilot, Vue.js, React, TypeScript, Microsoft SQL, MySQL, AWS S3, SQS, DynamoDB, ElastiCache, Apache Kafka, Datadog, Docker, Kubernetes, CI/CD, BigQuery, Databricks, Snowflake, Python
1mo
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Software Engineer, Autonomous Fleet Orchestration
Costa Mesa or Seattle or Washington
$166k-$220k/yr OnsiteFull Time
3+ YOE3+ years software engineering experience, strong CS fundamentals, backend or full‑stack experience; comfortable with Go, TypeScript/React, Python; systems design, distributed systems, and cloud experience preferred.
Go, TypeScript, React, Python, Lattice OS, AWS, Azure, GCP, NixOS, Terraform, Docker, Kubernetes, Hardware-in-the-Loop (HITL), Software-in-the-Loop (SIL)
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