Backend Developer Jobs in California, United States

BayRock Labs seeks a Backend Developer to build scalable backend services using Node.js and Java. The role involves designing RESTful APIs, integrating with SQL and NoSQL databases, and collaborating with front‑end and product teams.

Backend Developer on Turnblock.io's Blockchain Distribution Network team, building critical-path infrastructure for decentralized finance. Designs, implements, tests, and deploys new features in rapid cycles within an agile environment.

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together.

Blockchain Distribution Network (BDN) team at Turnblock.io builds a decentralized infrastructure enabling DeFi traders to execute better trades. The Backend Developer GoLang designs, implements, tests, and deploys new features in short cycles for critical-path services.

Also backend team builds the core infrastructure for connected EVs, delivering secure data ingestion, APIs, and fleet intelligence. The Staff Cloud Backend Developer drives architecture, improves cloud services, and ensures high availability and security across global deployments.

E2B Backend team builds the services powering the E2B Dashboard and SDK for AI agents. The role designs and owns Go APIs, auth, billing, real-time log pipelines, and optimizes data access, partnering with dashboard engineers and Core/Platform teams.

Azure NetApp Files (ANF) team builds cloud storage services that power enterprise workloads in Microsoft Azure. The role designs, develops, and owns backend microservices and REST APIs for cloud‑scale distributed systems, collaborating with architects, product managers, and peer engineers.

Azure NetApp Files (ANF) team builds cloud storage services that power enterprise workloads in Microsoft Azure. As a Lead Backend Software Engineer you will design, develop, and own production-quality REST APIs and microservices, driving end‑to‑end implementation, testing, deployment, and production support.

The CCDI Operations team seeks a Mid/Sr. Java Developer to support backend development and system enhancements in Irvine, California.

Lead Backend Developer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential.

We are seeking a Lead Backend Developer focused on high-throughput platform development to design, build, and operate the foundational platforms and shared services that other engineering teams rely on to deliver their products. This role focuses on building backend platform capabilities — request routing, traffic management, data fan-out, caching layers, asynchronous job execution, and durable event processing — that must handle very high traffic volumes with predictable latency and minimal ope

Lead Backend Developer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential.

As a Senior Cloud Backend Developer on the ALSO team, you will drive technical excellence and architectural decisions for our core infrastructure that delivers an excellent customer experience on ALSO's flagship connected EVs. You'll lead the evolution of our connected EV platform, from secure data ingestion to product facing APIs, and influence how we build and scale at ALSO. You balance speed and rigor, know how to scale systems, and thrive in fast paced 0→1 environments.

We're looking for Backend Engineers who want to make an impact on managing money at a global scale with a passion for building ergonomic APIs. You'll play a key role in extending our balance management platform and in building out a new funds accessibility platform that enterprises and SMBs use.

Crusoe's Core Backend team within Cloud Customer Experience (CCX) builds the foundational services powering the AI-focused Crusoe Cloud platform, from the API gateway to resource management, quota, notifications, and onboarding flows. As a Senior Backend Software Engineer, you will design, develop, and operate scalable, reliable services that deliver an intuitive, seamless user experience while ensuring backend reliability and scalability.

Crusoe's Core Backend team within Cloud Customer Experience (CCX) builds the foundational services powering the AI-focused Crusoe Cloud platform, from the API gateway to resource management, quota, notifications, and onboarding flows. As a Senior Backend Software Engineer, you will design, develop, and operate scalable, reliable backend services that deliver an intuitive, seamless user experience while ensuring correctness, low latency, and scalability as the customer base and hardware footprint

TikTok LIVE Foundation Governance Engineering team builds backend systems for live streaming content moderation and governance. As a Backend Software Engineer Intern you will collaborate with product managers, data scientists, and engineers to design reliable, high‑performance services and develop end‑to‑end solutions.

Fellow is a San Francisco-based kitchenware company designing functional tools for kitchens worldwide. The Backend Engineer will build, scale, and operate backend systems and IoT infrastructure connecting physical products to the cloud, owning the full device-to-cloud stack from secure provisioning through OTA delivery.

Backend Engineer needed at Boxtro LLP 123 to build resilient, high‑performance services for millions of users. The role focuses on large‑scale web applications, requiring 1–3 years of backend experience, proficiency in languages such as Ruby, Go, Java, NodeJS, PHP, Python, and database expertise with MySQL, MongoDB, PostgreSQL.

Data Platform team at Fable Security builds the real-time data infrastructure that powers the Human Behavior Platform. The Backend Engineer designs, implements and maintains scalable services, Kafka streams, Spark and Airflow pipelines, and API integrations to deliver high-quality data to the product.