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
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
2mo
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Sr Staff Engineer Backend
Los Angeles or Santa Clara or Tustin or Dallas
$99k-$185k/yr OnsiteFull Time
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
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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Senior Production Engineer
Costa Mesa or Irvine or Washington
$191k-$287k/yr OnsiteFull Time
4+ YOEProduction-quality Go, distributed systems, Kubernetes, 4+ years in SRE/backend, U.S. person.
Go, Kubernetes, Terraform, gRPC, Consul, ArgoCD
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
3w
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LoopNet - Senior Software Engineer
Irvine, California, United States
$124k-$187k/yr HybridFull Time
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
3w
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Senior Software Engineer - Supply Core (Fullstack)
Aliso Viejo or San Francisco
$200k-$250k/yr HybridFull Time
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#
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
2mo
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Senior Cloud Software Engineer - Database
Irvine, California, United States
OnsiteFull Time
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
1mo
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Senior Software Engineer - Orchestration & Job Execution
United States or Irvine
$119k-$153k/yr RemoteFull Time
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
1mo
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Front End Senior Full Stack Developer- Mortgage Automation (AI-First)
Irvine or United States
$135k/yr RemoteFull Time
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
2mo
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1620 Supply Chain Technology and Innovation - Senior Software Developer - Automation
Temecula, California, United States
OnsiteFull Time
5+ YOE5+ years backend and systems integration experience (SAP EWM/WMS and automation) or 7+ years equivalent; strong Go, SQL, Python/C#/Java skills; Linux/Windows, cloud (AWS/Azure/GCP), containerization, CI/CD, SAP integrations, and on-call/site travel experience.
Go (Golang), Python, C#, Java, SQL Server, PostgreSQL, MySQL, HTML, CSS, JavaScript, SAP EWM, SAP EWM/WMS, IDocs, RFCs, PLCs, Allen-Bradley, Siemens, CIP, MQTT, Modbus, RabbitMQ, Kafka, Linux, Ubuntu, Windows, Docker, Kubernetes, AWS, Azure, GCP, Jenkins, GitLab CI, Azure DevOps, Git, CI/CD, Prometheus, Grafana, ELK, EFK, OAuth, SAML, JIRA, Confluence
6d
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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
2w
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Senior Engineer, Full-Stack
Temecula, California, United States
$145k-$160k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years full-stack SaaS experience, proficiency with Azure and cloud-native architectures, backend (.NET), frontend (React/Angular), SQL/data modeling, security and healthcare compliance (PHI,21 CFR Part 11).
Azure, App Services, Functions, AKS, .NET, React, Angular, GraphQL, SQL, FHIR, HL7, CI/CD
1mo
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Sr. Software Engineer, Full-Stack (Factory Systems)
Palo Alto or Irvine or Normal
$147k-$184k/yr OnsiteFull Time
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.
React, TypeScript, HTML, CSS, Redux, Vuex, Jest, Cypress, Golang, Node.js, Python, SQL, NoSQL, AWS, Azure, GCP, Kafka, NATS, RabbitMQ, OPC UA, EthernetIP, Modbus, MQTT, Scrum, Kanban
1mo
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Sr. AI Agent / Prompt Engineer
Irvine, California, United States
$132k-$205k/yr HybridFull Time
8+ YOE8+ years progressive experience (including 3+ years in applied AI or backend engineering), strong Python proficiency, experience with agent frameworks (LangChain/LangGraph), production AI agents, prompt design, and cross-functional collaboration.
Python, LangChain, LangGraph, RAG, RLHF, RLAIF
1mo
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AI Architect
Irvine or Los Angeles
$80/hr HybridContract
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.
Python, AWS, CI/CD, API, LLM, RAG
4d
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AI Integration Architect
Milwaukee or Irvine or Dallas or Austin or United States
$134k-$200k/yr OnsiteFull Time
7+ YOE7–10 years software engineering/architecture experience building LLM-powered or agentic AI applications; strong backend skills (Python/Java/.NET); API, security, and CI/CD experience; familiarity with agentic frameworks and AI observability.
LangChain, LlamaIndex, AutoGen, Python, Java, .NET, OAuth 2.0, JWT, Apigee, Kong, MCP, LiteLLM, Snowflake, Databricks, GCP, Docker, Kubernetes, Terraform, NVIDIA Device Plugins, CUDA, ROCm, vLLM, Triton
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