Backend Engineer

• Architect, build, and scale highly scalable data infrastructure and core engineering platforms
• Own complex technical problems from whiteboard design through production deployment
• Write high-quality, resilient code
• Establish architectural standards and backend services/API best practices
• Ensure system-wide reliability, security, and scalability
• Partner with product and engineering leadership to translate business strategy into technical roadmaps
• Mentor other engineers

Lead Software Engineer – Backend

• Design, build, and ship products and features quickly without compromising quality
• Improve engineering processes, tools, and systems to scale the codebase and team productivity
• Collaborate across product, design, engineering, and analytics in a data-driven experimentation culture
• Contribute to project, feature, and integration estimation, planning, and execution
• Develop, release, and maintain backend services and/or infrastructure
• Write clean, fully tested, high-performance code
• Take ownership of major parts of the codebase, set timelines, and lead project deliverables
• Build scalable technology for interactions with patients, dietitians, and insurance companies

Senior Backend Engineer

• Build Go controllers and APIs to install, upgrade, and validate GPU cluster software
• Integrate components, define API contracts, and evolve Helm and Argo CD delivery toward controller-driven automation
• Build validation pipelines that inform release decisions across providers and GPU platforms
• Develop systems to allocate GPU capacity across validation runs and account for cloud reservations and quotas
• Improve qualification efficiency through reusable tests and clear failure reports
• Bring new providers and GPU hardware into production
• Resolve integration failures with partner teams
• Turn initial provisioning, upgrade, and operational checks into repeatable automation
• Collaborate across Runtime, Release Engineering, and Provider Integration teams
• Influence what reaches production across NVIDIA's GPU cloud infrastructure

Senior Software Engineer, Kubernetes Runtime

• Design and evolve core data models for complex communications networks
• Design, build, and operate APIs through which users and systems interact with Spacetime
• Develop durable abstractions for heterogeneous physical and logical networks
• Maintain the quality, compatibility, consistency, and performance of core product models and interfaces
• Manage project priorities, timelines, and deliverables
• Design, build, test, and operate systems powering Spacetime
• Collaborate with seasoned engineers on the core Spacetime engineering team

Senior Software Engineer, API – Data Modeling

• Develop and maintain the Spacetime platform using C++, Golang, Java, gRPC, and Protocol Buffers
• Build scalable, distributed systems on Kubernetes
• Develop Spacetime features for 5G NTN and Direct-to-Cell orchestration
• Implement RIC/SMO capabilities for the NTN, network model extensions, and federation APIs for TN-NTN coordination
• Translate 3GPP and O-RAN concepts and interface specifications into clean, well-tested software with solution architects
• Integrate with other Aalyria platform components for end-to-end functionality
• Develop and maintain software design and implementation documentation
• Stay up-to-date with 5G NTN, O-RAN, and satellite communications technologies
• Write clean, maintainable, efficient code
• Troubleshoot and debug software issues
• Design and build distributed systems in a modern, cloud-native codebase
• Work with 3GPP/NTN solution architects on standards and systems expertise

Senior Software Engineer, Backend

• Architect technology and customer experience for multiple NimbleRx web products serving patients, pharmacies, and other customers
• Build scalable platforms, APIs, and services
• Own backend features from design through implementation and release
• Collaborate with developers, Product Management, and Design on feature requirements and technical use cases
• Deliver high-quality code on time
• Mentor junior engineers and interns
• Promote best practices and high-quality development techniques
• Solve challenging design and technical problems
• Enhance system usability and performance for a consistent user experience
• Own complex projects end-to-end through planning, design, delivery, and maintenance

• Architect and develop scalable, high-performing backend systems and APIs powering Pika products and services
• Build, maintain, and enhance distributed systems and cloud infrastructure on AWS/GCP
• Ensure high availability and reliability of backend infrastructure
• Own backend features and platforms from ideation through launch and ongoing iteration
• Develop systems supporting low-latency, real-time collaboration and messaging at scale
• Design and optimize backend features powering creative, AI-driven product capabilities
• Lead technical discussions and review code
• Drive backend architecture proposals
• Mentor engineers and elevate backend engineering standards
• Collaborate with engineering, product, and design teams to deliver reliable, performant, and secure features

Senior/Staff Software Engineer, Backend

• Build and operate systems carrying consent and opt-out signals from the SDK through the auction at high QPS
• Own latency, correctness, and reliability of privacy-critical request-path services
• Orchestrate data subject request deletion across downstream systems and teams, track completion, and hold the SLA
• Translate changing regulations such as GDPR and CCPA into per-jurisdiction configuration and enforcement without country-specific code changes
• Build measurement and auditing systems to verify compliance and detect failures
• Contribute to trust and safety systems, including content policy enforcement, deduplication, labeling, and fraud detection and mitigation tooling
• Partner with legal and privacy counsel to translate requirements into working systems
• Collaborate with ML and data engineers to put models and pipelines into production
• Manage priorities and drive work across team boundaries

Senior Backend Engineer, Ads Privacy

• Develop and maintain backend services using Python and Django
• Work extensively with Django ORM and complex database queries
• Build and maintain data pipelines and feed ingestion systems using XML and APIs
• Implement background processing using Celery and Redis
• Integrate with third-party systems, including ATS platforms such as Greenhouse, Lever, or iCIMS
• Optimize PostgreSQL databases and backend performance
• Support job distribution systems and data workflows
• Troubleshoot and resolve backend issues across services
• Collaborate with cross-functional teams to deliver scalable solutions
• Take ownership of backend features end-to-end

Python Engineer, Mid-Senior

• Scope and build tools, microservices, workflows, and distributed applications to accelerate data mining and AI training
• Design and implement solutions for streaming, resilience, logging, security, authentication, workflow orchestration, and data management
• Deploy AI models
• Design and develop Retrieval-Augmented Generation workflows enabling hybrid and agentic patterns
• Analyze and operationalize complex distributed systems for speed-of-light performance
• Develop data engineering solutions for AI developers in autonomous vehicle domains
• Process massive volumes of autonomous vehicle data for video data curation, behavioral search, and AI dataset management

Backend Engineer jobs in California

Lead Software Engineer – Backend

Senior Backend Engineer

Senior Software Engineer, Kubernetes Runtime

Senior Software Engineer, API – Data Modeling

Senior Software Engineer, Backend

Senior Backend Engineer

Senior/Staff Software Engineer, Backend

Senior Backend Engineer, Ads Privacy

Python Engineer, Mid-Senior

Senior Data Backend Engineer