56 backend development jobs at 30 companies in Temecula, CA
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Backend Engineer, Flag Delivery
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 or United States
$146k-$235k/yrOnsiteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Vuori: Designs and sells performance athletic and lifestyle apparel.
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.
Lendistry: Technology-enabled lender providing capital to small businesses.
7+ YOE7+ years backend, distributed systems, microservices; technical leadership; collaboration across product, data, and compliance; AI-assisted development familiarity.
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/yrHybridFull Time
Collectors: Providing authentication and grading services for high-value collectibles.
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.
Esri: Developing software for digital mapping and spatial data analysis.
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.
Exante360: A technology design and consulting firm that provides ICT and low-voltage systems design and software solutions.
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.
Stretto: Software and advisory services for bankruptcy and restructuring professionals.
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.
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
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.
Anduril Industries: Defense technology building autonomous military hardware and software.
Experience building backend software and developer tooling; ownership of services, pipelines, and infrastructure; familiarity with cloud, CI/CD, and infrastructure-as-code; U.S. Person eligible for Top Secret clearance.
StubHubNYSE: STUB: Online marketplace for buying and selling live event tickets.
5+ YOE5+ years software development experience, 2+ years with React, experience with Java or C#, expertise across backend/frontend systems, mentoring experience, strong communication and product judgment.
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
12+ YOEBachelor's degree required; 12+ years software engineering with principal-level leadership, expertise in backend languages and modern frontend frameworks, high-scale distributed systems, and AI-assisted development.
C#/.NET, Go, Java, Python, React, Copilot, Claude Code, Cursor
Appex Innovation: Provides AI-driven software solutions for healthcare revenue and management.
8+ YOE8+ years in AI/ML, data science, or software engineering; strong Python backend development; hands-on LLM and generative AI, agent-based systems, RAG/vector DBs, API development; AWS, CI/CD, observability, and production ML deployment experience.
Alteryx: Provides an automated data analytics and data science platform.
4+ YOE4+ years professional backend development with ownership of production services; strong experience with distributed, asynchronous systems; proficiency in TypeScript/Node.js or Go/Java/Rust; production practices, observability, and API design.
Front End Senior Full Stack Developer- Mortgage Automation (AI-First)
Irvine or United States
$135k/yrRemoteFull Time
Success Lending: Modern, agent-aligned mortgage lending services for homebuyers.
5+ YOE5+ years full-stack development, daily use of AI coding tools, cloud experience (AWS/Azure), RESTful API integration, modern front-end frameworks and backend languages; mortgage technology experience preferred; must be authorized to work in the U.S.
JavaScript, TypeScript, React, Angular, Node.js, Python, Java, C#/.NET, SQL, RESTful APIs, AWS, Azure, Lambda/Functions, CI/CD, Claude Code, GitHub Copilot, Cursor, Blue Sage, Kwikie, Gateless, Cotality, Encompass, MeridianLink, DU/LP, Optimal Blue
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
7+ YOEBachelor's degree,7+ years production C#/.NET development,AWS experience,unit and automated testing,API/backend design,mentoring experience,experience with AI coding tools (Claude Code or GitHub Copilot).
Rivian and Volkswagen Group Technologies: A joint venture developing software, connectivity, and cloud solutions for electric vehicles.
7+ YOE7+ years full-stack development; frontend with React and TypeScript; backend experience in Golang/Node.js/Python; RESTful API design; SQL/NoSQL; cloud (AWS/Azure/GCP); stream processing and message queues (Kafka, NATS, RabbitMQ); Agile experience.
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/yrHybridFull Time
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Remilia: Multidisciplinary art collective creating digital assets and lifestyle products.
Strong React and Golang or Node.js, experience with Postgres/SQLite, API design, backend architecture, portfolio of shipped apps; Swift/Kotlin and DevOps/CI/CD are a plus.