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286 backend developer jobs at 133 companies in Orange, CA

2mo
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Backend Engineer
Denver or Seattle or Washington or San Francisco or Los Angeles or Arvada or San Francisco or Nashville or Denver or Santa Fe or New Orleans or San Diego or Bozeman or New York City
$120k-$180k/yr HybridFull Time
Quindar
Quindar: Automation First. Mission Ready. Mission management software delivering a common operating picture, system-of-systems integration, and resiliency across commercial and government space missions.
3+ YOERequires Python backend development, AWS, GraphQL, Docker, Terraform, APIs, Kubernetes, Git, a computer science bachelor's degree, and 3+ years of experience; U.S. person status and security clearance eligibility required.
Python, AWS, GraphQL, Docker, Terraform, OpenAI, Anthropic, AskSage, Kubernetes, AWS Lambda, Amazon ECS, Amazon EKS, Amazon CloudWatch, Amazon S3, Amazon EFS, Amazon EBS, Amazon EC2, Amazon RDS, Git, GitHub, GitLab, CI/CD
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3w
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Backend Engineer
Irvine, California, United States
$115k-$220k/yr OnsiteFull Time
Remilia Corporation
Remilia Corporation: Private avant-garde art, fashion, music, publishing, and social-technology studio serving its digital culture community.
Portfolio of serious backend work; years of experience building and running production systems; strong relational data modeling; experience with payments, ledgers, marketplaces, virtual economies, or social systems; clear writing skills.
Go, SQLite, TypeScript, React, WebSockets, SSE
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2mo
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Sr. Backend Engineer - Xumo
Irvine or Philadelphia
$142k-$189k/yr HybridFull Time
Xumo
Xumo: Private streaming-platform joint venture offering free entertainment, smart TVs, streaming devices, and business services.
5+ YOE5+ years Java backend development, REST/SOAP APIs, HTTP/SSL, MySQL/PostgreSQL/Oracle/MongoDB, Linux (CentOS), Docker/Kubernetes, cloud (Google Cloud/AWS/Azure); Bachelor's degree preferred; 7-10 years experience.
Java, MySQL, PostgreSQL, Oracle, MongoDB, CentOS, Docker, Kubernetes, Google Cloud, AWS, Azure, REST, SOAP, HTTP, SSL, JSON, RSS, HLS, MP4, Mpeg-Dash, RabbitMQ, Kafka
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2w
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Backend Engineer
El Segundo or Washington or Palo Alto or San Francisco or Austin or New York City
$80k-$210k/yr OnsiteFull Time
Gallatin AI
Gallatin AI: Defense technology providing AI-powered logistics decision-support software to military and allied defense organizations.
Proficiency in Python, Node.js, TypeScript, or Java; API design (REST, GraphQL); relational and NoSQL databases; cloud (AWS, GCP, Azure); Docker, Kubernetes; infrastructure as code; testing; U.S. citizenship required; ability to obtain security clearance.
Python, Node.js, TypeScript, Java, REST, GraphQL, PostgreSQL, MongoDB, DynamoDB, Redis, AWS, GCP, Azure, Docker, Kubernetes, Terraform, CloudFormation, Palantir Foundry
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3mo
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Senior Backend Engineer
Los Angeles or New York City or San Francisco
$170k-$200k/yr HybridFull Time
Tatari
Tatari: Private ad-tech helping brands and agencies buy, measure, and optimize ads across linear and streaming TV.
6+ YOE6+ years software development (Python required), 4+ years building distributed systems and modern data stacks, deep SQL and data modeling, experience with LLMs and agentic coding tools, strong communication and cross-team collaboration.
Python, Cursor, Copilot, Cody, RDS, Databricks, Spark, Redshift, Kafka, Airflow, dbt, SQL, REST, gRPC, GraphQL
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Senior Backend Engineer, Experimentation
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$163k-$264k/yr RemoteFull Time
LaunchDarkly
LaunchDarkly: B2B feature-management software helping engineering teams safely manage code releases and AI agents in production.
6+ YOERequires 6+ years of software engineering experience, backend production systems expertise, Go or comparable language skills, distributed systems and data-intensive product experience, cloud operations, and observability practices.
Go, Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks
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Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
Backend and cloud engineering experience with scalable distributed systems; must be a U.S. Person and able to obtain and maintain a U.S. security clearance.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
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3w
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Backend Software Engineer II
Los Angeles, California, United States
$122k-$167k/yr OnsiteFull Time
Parallel Systems
Parallel Systems: U.S. manufacturer of autonomous battery-electric rail vehicles serving railroads and short-haul freight markets.
3+ YOEBachelor's degree in computer science or related field or equivalent experience; 3+ years backend or systems-level development; experience in C, C++, Rust, or other systems languages; proficiency with Linux and memory management.
Rust, C, C++, Linux, Docker, Kubernetes
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Staff Backend Engineer (Digital Foot Print)
United States or Canada or San Francisco or Los Angeles or New York City
$251k-$275k/yr HybridFull Time
Laurel
Laurel: AI timekeeping and work-intelligence software for law, accounting, and consulting firms.
6+ YOE6+ years of backend software development experience; strong TypeScript, Node.js, messaging queues, MongoDB, analytical skills, and customer collaboration. Bachelor's degree or equivalent practical experience.
TypeScript, Node.js, AWS SQS, MongoDB, Python, Django, FastAPI, Flask, Airflow, PostgreSQL, NestJS
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3mo
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Senior Backend Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Restaurant POS software for restaurant operators that unifies ordering, payments, delivery apps, and kitchen operations.
3+ YOEBachelor's in Computer Science or equivalent, 3+ years software engineering experience, strong backend system design, APIs, microservices, databases, and cloud platform experience.
Java, Go, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure
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Senior Backend Software Engineer
Torrance, California, United States
$190k/yr HybridFull Time
Arc Boat Company
Arc Boat Company: Arc is a venture-backed electric-boat manufacturer serving recreational, commercial, and defense marine customers.
5+ YOERequires 5+ years of industry experience, backend programming expertise, technical project oversight, cloud and DevOps proficiency, API and microservices knowledge, and experience optimizing systems for performance, cost, and scale.
TypeScript, Python, Java, Go, Rust, AWS, Azure, GCP, Amazon Web Services, BigQuery, Apache Spark, Kafka, Terraform, Manufacturing Execution Systems (MESs)
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1mo
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Senior Back End Engineer, Platform
Los Angeles or San Francisco or Dallas or Culver City
$170k-$225k/yr HybridFull Time
Altruist
Altruist: Private fintech wealth platform and self-clearing custodian providing integrated tools for independent financial advisors.
3+ YOE3+ years building scalable backend services in financial services, fintech, or SaaS; Java, Spring Boot, REST APIs, SQL, microservices, distributed systems, Docker, Kubernetes, and Helm proficiency.
Java, Spring Boot, Postgres, AWS, Kubernetes, Docker, Helm, MySQL, Kafka, Temporal, Snowflake, Claude, GitLab, Debezium, OpenTelemetry
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Staff Backend Engineer
Dallas or Los Angeles or New York City or Seattle or Tigard or Weston or United States
$172k-$215k/yr RemoteFull Time
Fanatics
Fanatics: Global digital sports platform for merchandise, collectibles, and betting.
8+ YOE8+ years professional software engineering experience, deep expertise in modern web/software engineering, experience architecting complex systems, strong communication, and mentoring track record.
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2mo
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Senior Backend Software Engineer
New York City or San Francisco or Los Angeles
$165k-$220k/yr HybridFull Time
Regard
Regard: Private healthcare AI helping health systems diagnose patients and generate complete clinical documentation.
6+ YOEBachelor's degree in computer science or equivalent experience, 6+ years of software development, Python or Go proficiency, data-intensive application experience, on-call availability, and practical AI coding tool experience.
Python, Go, PostgreSQL, Redis, Celery, TypeScript, React, AWS, Docker, Kubernetes, GitLab CI/CD, Datadog, OpenAI, Anthropic, FHIR, ICD-10, SNOMED, LOINC, RxNorm, Cursor, Claude Code, Codex, EHR, EMR
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1mo
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Sr. Software Engineer, Backend
Santa Monica, California, United States
$160k-$185k/yr HybridFull Time
Connexity
Connexity: Performance marketing technology helping online retailers acquire customers and drive measurable sales across the open web.
6+ YOE6+ years of backend development experience; strong Java and Spring Boot skills; REST API, relational database, distributed systems, microservices, system design, and AI coding tool experience required.
Java, Python, Node.js, Go, Spring Boot, RESTful API, MySQL, PostgreSQL, BigQuery, Claude Code, GitHub Copilot, Cursor, LLM APIs
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2w
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Backend Software Engineer – TS/SCI
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Global leader in geographic information system (GIS) software.
2+ YOE2+ years backend software engineering; Python, Java/Node.js, REST APIs, Docker/Kubernetes, ArcGIS Enterprise; US citizenship with active/current Top Secret clearance and SCI eligibility; Bachelor's in CS, Math, GIS or STEM.
Python, Java, Node.js, Docker, Kubernetes, ArcGIS Enterprise, REST APIs, PostgreSQL, PostGIS, SQL Server, Azure, AWS, GCP
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2mo
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Staff Backend Software Engineer
Los Angeles or Tempe or New York City or Texas
$143k-$190k/yr HybridFull Time
Fox Corporation
Fox CorporationNASDAQ: FOX: Global media and entertainment focused on news, sports, and broadcasting.
10+ YOE10+ years backend engineering experience; strong Python, Celery, PostgreSQL, Redis, AWS/GCP, Terraform, Docker, CI/CD; leadership in security-minded engineering; experience with authorization at scale preferred.
Python, TypeScript, Celery, AMQP, RabbitMQ, PostgreSQL, Redis, S3, Druid, BigQuery, REST, JSON, gRPC, AWS, Terraform, Docker, Elastic Beanstalk, Prometheus, Grafana, CloudWatch, pytest, Git, GitHub Actions, Claude Code, Cursor, Codex
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