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40 senior backend developer jobs at 24 companies in Temecula, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
3w
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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/yr OnsiteFull Time
LaunchDarkly
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.
Go, Java, Rust
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1w
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Sr. Backend Engineer, Digital Engineering
Carlsbad, California, United States
$148k-$180k/yr RemoteFull Time
Vuori
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.
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
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1mo
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Sr Staff Engineer Backend
Los Angeles or Santa Clara or Tustin or Dallas
$99k-$185k/yr OnsiteFull Time
Lendistry
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.
Java, Kotlin, Scala, Go, C#, TypeScript, REST, gRPC, OAuth2, JWT, AWS, CI/CD, AI tools, Copilot
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3w
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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
Collectors
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.
Java, Spring Boot, PostgreSQL, DynamoDB, AWS, AWS Lambda, Docker, Kubernetes, ECS, Apache Kafka, Python, pytest, unittest, Node.js, TypeScript, Claude, Twitch
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2mo
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Software Engineer III - Backend
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
Fluxergy
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
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
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4d
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Senior Software Engineer – Backend Platforms, Vice President (Wealth Custody & Clearing)
Dallas or Clifton or Irvine or Boston or Austin
$110k-$185k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
9+ YOE9+ years backend engineering experience; expertise in distributed, high-availability systems; Java and Spring Boot; cloud and container experience; knowledge of PostgreSQL, Kafka; bachelor's degree in CS/Engineering/Math or equivalent.
Java, Spring Boot, AWS, Kubernetes, PostgreSQL, Kafka
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2mo
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Senior Software Engineer (Card Present)
Irvine, California, United States
OnsiteFull Time
EBizCharge
EBizCharge: Provides integrated payment processing and AR automation software solutions.
Strong C#/.NET backend, EMV/payments, PCI DSS, and RESTful APIs; experience with payment terminals SDKs; EMV Level 3 certification involvement.
C#, \\.NET, EMV, Clover, Stripe Terminal, Square, TLV, ISO 8583, PCI DSS, P2PE
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1mo
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Senior Production Engineer
Costa Mesa or Irvine or Washington
$191k-$287k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ YOEProduction-quality Go, distributed systems, Kubernetes, 4+ years in SRE/backend, U.S. person.
Go, Kubernetes, Terraform, gRPC, Consul, ArgoCD
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6d
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LoopNet - Senior Software Engineer
Irvine, California, United States
$124k-$187k/yr HybridFull Time
CoStar Group
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.
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
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6d
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LoopNet - Senior Software Engineer
Irvine, California, United States
$124k-$187k/yr HybridFull Time
CoStar Group
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).
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
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2w
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Senior Engineer, Full-Stack
Temecula, California, United States
OnsiteFull Time
FFF Enterprises
FFF Enterprises: Distributes specialty biopharmaceuticals and provides healthcare supply chain services.
7+ YOE7+ years full‑stack SaaS development experience, bachelor’s in CS or equivalent, proficiency with backend (.NET), frontend (React/Angular), SQL, Azure services, CI/CD/DevOps, and experience in regulated healthcare or similar.
.NET, React, Angular, GraphQL, Azure, Microsoft App Services, Microsoft Functions, AKS, CI/CD, DevOps, SQL, FHIR, HL7
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2w
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Senior Engineer, Full-Stack
Temecula, California, United States
OnsiteFull Time
FFF Enterprises
FFF Enterprises: Specialty pharmaceutical and vaccine distributor for healthcare providers.
7+ YOE7+ years full‑stack SaaS development experience, bachelor’s degree (or equivalent), cloud (Azure) and CI/CD/DevOps experience, backend (.NET) and frontend (React/Angular) proficiency, strong SQL and API/integration skills.
.NET, React, Angular, SQL, GraphQL, FHIR, HL7, Azure, App Services, Functions, AKS, CI/CD
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1w
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Senior Software Engineer - Supply Core (Fullstack)
Aliso Viejo or San Francisco
$200k-$250k/yr HybridFull Time
StubHub
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.
React, Java, C#
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3mo
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Senior Software Engineer, LIMS (Onsite)
Ramsey or Fort Myers or Aliso Viejo
OnsiteFull Time
NeoGenomics
NeoGenomicsNASDAQ: NEO: Provides specialized oncology diagnostic testing and clinical laboratory services.
7+ YOE7+ years Java software development experience, Bachelor's in Computer Science or equivalent, strong backend/REST and microservices skills, experience with Spring/Spring Boot and Python frameworks, SQL/NoSQL and cloud (AWS/Azure), authorized to work in the US.
Java, Spring, Spring Boot, Python, Flask, Django, FastAPI, RESTful APIs, microservices, SQL, NoSQL, PostgreSQL, MySQL, AWS, Azure, SAPIO LIMS, LabVantage, SDMS, ELN, CDS
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3w
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Senior Software Engineer, Platform
Irvine or Newport Beach or Denver or San Francisco or Seattle
$185k-$200k/yr HybridFull Time
Compa
Compa: AI-powered compensation intelligence platform for enterprise teams.
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
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3mo
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Sr. Software Engineer (San Diego)
Carlsbad, California, United States
$125k-$145k/yr OnsiteFull Time
Carlsmed
CarlsmedNasdaq: CARL: Produces AI-driven surgical plans and personalized spinal implants.
5+ YOE5–10 years backend/frontend and database experience; Bachelor's in CS; experience with Node.js, Java/Kotlin, React, GraphQL, PostgreSQL; spine/orthopedics experience preferred.
Node.js, GraphQL, Java, Kotlin, Spring Boot, React, PostgreSQL
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1mo
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Senior Cloud Software Engineer - Database
Irvine, California, United States
OnsiteFull Time
TP-Link
TP-Link: Global manufacturer of networking hardware and smart home devices.
7+ YOEBachelor's degree required, 7+ years in backend/cloud/distributed systems, hands-on experience with distributed databases/storage, proficiency in Ansible and a programming language (Go/Java/C++/Python/Rust), strong Linux and networking knowledge.
Terraform, Ansible, Go, Python, Java, C++, Rust, Kubernetes, Cassandra, Kafka, Redis, MySQL, VictoriaMetrics, Loki, ELK, Linux
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1mo
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Senior Software Engineer - Orchestration & Job Execution
United States or Irvine
$119k-$153k/yr RemoteFull Time
Alteryx
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.
TypeScript, Node.js, Go, Java, Rust, Python, C++, Kubernetes, Docker, gRPC, OpenSSL, WiX, NumPy, CPython, Git, React, JavaScript, JSON, GCP, Azure, AWS, GitOps, CI/CD, REST
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2w
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Front End Senior Full Stack Developer- Mortgage Automation (AI-First)
Irvine or United States
$135k/yr RemoteFull Time
Success Lending
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
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1w
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Senior AI Engineer
Irvine, California, United States
$90k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE5+ years software/data/AI engineering experience; hands-on AWS, Databricks/Apache Spark, graph databases, backend APIs, CI/CD; familiarity with LLM integrations and data governance.
AWS, Neptune, OpenSearch, DynamoDB, ElastiCache (Redis), IAM, CloudWatch, Databricks, Apache Spark, LangGraph, AutoGen, CrewAI, Java, Spring Boot, Node.js, CI/CD
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