102 senior backend developer jobs at 57 companies in Oceanside, CA

PromotedHiringCafe
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
1w
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Senior Network Backend Engineer
San Francisco or San Diego
$215k-$266k/yr HybridFull Time
Point One Navigation
Point One Navigation: High-precision positioning for autonomous systems and robotics.
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
1mo
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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
3w
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Senior Backend Systems Engineer, Sensing & Connectivity
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Design and build large-scale backend systems for location intelligence, work with data, and architect solutions for location-aware experiences.
2w
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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
2mo
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Senior Software Engineer, Backend Systems
San Diego or Austin
$175k-$200k/yr OnsiteFull Time
Cirrascale
Cirrascale: Provides specialized GPU-based cloud infrastructure for AI workloads.
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 Java Backend Engineer - 8+ Years Experience Required
Casablanca or Porto or Aveiro or Coimbra or Leicester or San Diego or San Francisco or Chennai or Bengaluru or Cluj-Napoca or Blumenau or Australia
RemoteFull Time
Mindera
Mindera: Develops bespoke software systems and digital products for enterprises.
8+ YOE8+ years Java backend development, strong OOP and design patterns, Terraform, Git, CI/CD, Kafka, Kubernetes, GraphQL Federation, Azure, TDD, and fluent English.
Java, Kotlin, Terraform, Git, CI/CD pipelines, Kafka, Kubernetes, GraphQL Federation, Azure, Spring Boot, TDD
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
2w
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Senior Software Engineer – Back End
San Diego, California, United States
$150k-$185k/yr HybridFull Time
Tillster
Tillster: Digital ordering and engagement platforms for restaurant chains.
6+ YOE6+ years back-end engineering with strong Java, experience designing plugin/SPI architectures, low-level device/protocol work, payment-terminal/POS integrations, and technical leadership.
Java, Maven, Spring, ServiceLoader, OSGi, jssc, usb4java, REST, SOAP, EMV, ISO 8583, TLS, mTLS, PCI-DSS, PayTerminal SPI
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
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
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
4w
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Senior Software Engineer, Back-End (Vault)
California or Santa Ana 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 web applications, APIs, and distributed systems; 2+ years AWS experience (serverless/event-driven); strong Java proficiency (C# a plus); use of modern AI developer tools; strong engineering fundamentals and mentorship experience.
AWS, Java, C#, Claude Code CLI, Codex, e-Verify
3w
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Senior Software Engineer (Backend & Systems)
San Diego, California, United States
HybridFull Time
Luna Health
Luna Health: Develops nighttime-only automated insulin delivery systems for diabetes.
5+ YOE5+ years building production backend systems; experience in regulated/safety-critical environments; backend development with Node.js or Python; containerization with Docker/Kubernetes; API and cloud service design; BLE/connected device experience preferred.
Node.js, Python, Docker, Kubernetes, Git, CI/CD, iOS, BLE
6d
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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform
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
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
1w
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Senior Software Engineer
San Diego, California, United States
$124k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
Bachelor's degree required. Strong C#/.NET experience, hands-on AWS, experience using Claude for AI-assisted development, API and backend development skills, software design and mentorship experience.
C#, .NET, .NET Core, Claude, AWS, EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, Databricks, Terraform, CloudFormation, CDK, Git
2mo
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Senior Software Engineer
San Diego, California, United States
$110k-$160k/yr OnsiteFull Time
Whova
Whova: All-in-one platform for event management and attendee engagement.
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
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
1d
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Senior Software Engineer
San Diego, California, United States
$143k-$179k/yr OnsiteFull Time
ResMed
ResMedNew York Stock Exchange: RMD: Developing cloud-connected medical devices for sleep and respiratory care.
5+ YOE5+ years professional software engineering experience, strong backend skills (Java/Spring Boot preferred), distributed systems, cloud-native deployments, CI/CD familiarity, experience with AI-assisted development tools.
Copilot, Claude Code, Java, Spring Boot, AWS, Azure, GCP, CI/CD
2w
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Senior AI Engineer
San Diego or Washington or Texas
RemoteFull Time
Teradata
TeradataNew York Stock Exchange: TDC: Provides cloud data analytics and enterprise AI software platforms.
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
1w
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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