Top Senior Software Engineer Jobs in Sacramento, CA

Staff Software Engineer responsible for designing scalable distributed systems and full-stack web applications supporting provider acquisition, onboarding, and marketplace supply growth. The role leads cross-team technical initiatives, shapes engineering strategy, mentors developers, and delivers provider-facing products from discovery through post-launch support. Experience with AI-assisted development workflows and technologies such as Node.js, React, TypeScript, Kafka, AWS, Docker, and Kubernetes is valued.

Build and maintain scalable full-stack web applications using PHP, Laravel, React, Next.js, SQL, and related technologies. Own features from design through deployment and monitoring, develop APIs, optimize databases and legacy systems, troubleshoot performance issues, and contribute to code quality, security, and engineering practices. Collaborate cross-functionally in an agile, continuous-deployment environment while using AI-assisted tools responsibly.

Build and lead development of high-availability backend services for Affirm’s card loan platform. Design scalable APIs, data models, microservices, and event-driven systems supporting real-time loan attribution, approvals, origination, and refunds. Drive technical strategy, troubleshoot complex performance issues, collaborate with cross-functional teams, and mentor engineers while ensuring long-term system robustness and scalability.

Own Headway’s cloud platform and infrastructure engineering strategy. Lead deployment isolation, container orchestration, AWS networking and compute, autoscaling, capacity planning, Terraform self-service infrastructure, cloud cost attribution, and Python runtime performance. Build reliable paved-road tooling that enables engineering teams to deploy safely and independently while improving scalability, observability, and operational resilience.

Lead end-to-end development of modern frontend initiatives using React and Electron. Design scalable architecture, improve performance and test coverage, resolve production issues, influence technical decisions, and collaborate with Product, Design, and Backend teams. The role includes mentoring engineers, maintaining code quality, supporting observability and incident response, and building secure, high-quality customer-facing payment and form workflows.

Build enterprise control-plane products for managing Hightouch deployments at scale. Responsibilities include developing roles, permissions, and access control; creating change-management tools for evolving data models and warehouses; and helping customers understand and optimize warehouse performance and costs. The role requires backend and distributed-systems architecture, asynchronous workflows, scalability, reliability, product thinking, and engagement with product specifications.

Design, build, and optimize distributed systems powering large-scale data synchronization. Responsibilities include improving sync speed, developing real-time streaming capabilities, scaling high-volume and low-latency systems, troubleshooting customer scaling challenges, and supporting multi-region, multi-cloud infrastructure and data residency requirements. The role involves end-to-end project ownership, customer collaboration, system architecture, and reliability improvements.

Design and evolve scalable referral, partner data, and patient booking systems. Lead complex technical projects across teams, make architecture and API decisions, improve security, performance, reliability, and scalability, and mentor engineers. Collaborate with product, design, engineering leadership, partners, and stakeholders while using AI-assisted development tools such as Claude Code to improve delivery velocity and quality.

Develop production-grade integrations for NVIDIA Grove across AI frameworks including Dynamo, llm-d, Ray, and PyTorch. Build adapters, plugins, operators, runtime components, reference workflows, and developer tooling. Optimize distributed multi-node and multi-GPU training and inference, improve Kubernetes observability, define APIs, and troubleshoot containers, networking, scheduling, CUDA, and framework behavior. Collaborate with engineering teams and open-source communities to upstream maintainable changes and ensure compatibility across rapidly evolving dependencies.

Owns the design, development, testing, and optimization of safety-critical vehicle firmware on resource-constrained platforms. Responsibilities include RTOS applications, communication architectures, bootloaders, device drivers, board and SoC bring-up, automated testing, debugging, and production deployment. The role leads cross-functional projects, mentors engineers, conducts code reviews, and establishes embedded engineering standards for reliable autonomous transit vehicles.

Design and build scalable operator services for provisioning, repairing, and managing bare-metal GPU servers. Develop secure, tested automation spanning firmware, PXE imaging, DPU provisioning, and network configuration. Own architecture, telemetry, monitoring, incident response, and root-cause remediation for globally operated GPU fleets. Mentor engineers and improve concurrency safety, distributed systems reliability, and zero-touch deployment capabilities.

Develop and operate software for Azure’s hyperscale networking infrastructure and SONiC switch and router platforms. Responsibilities include designing, coding, optimizing, debugging, and maintaining network software; supporting packet forwarding, telemetry, observability, reliability, and performance; creating design and release plans; responding to incidents; and mentoring engineers. The role requires expertise in software engineering, IP networking, distributed systems, Linux, SDN technologies, and container-based environments.

Designs and develops scalable customer-facing web applications and microservices APIs. Responsibilities include complex system architecture, code reviews, mentoring, technical design, stakeholder collaboration, database optimization, system maintenance, compliance support, and promoting engineering best practices. The role requires Java and enterprise web development experience, with exposure to cloud technologies, front-end frameworks, Docker, REST APIs, event-driven architecture, and CI/CD.

Build and scale secure backend services and platform infrastructure for an enterprise AI agent platform. Lead architecture and code reviews, infrastructure automation, CI/CD, observability, reliability, and performance initiatives. Collaborate with product and research teams to deploy and optimize production ML/NLP workloads, improve developer experience, and mentor engineers while establishing strong engineering and DevOps practices.

Design and build scalable Python applications, APIs, microservices, and AI/LLM workflows using AWS, Docker, Kubernetes, and related technologies. Develop agentic orchestration capabilities, prototypes, and production systems; perform testing, code reviews, architectural design, troubleshooting, and security-focused engineering. Collaborate remotely in an Agile environment while translating data science outputs into secure, maintainable products.

Design and build Seeq’s internal platform, including infrastructure, services, multi-tenant Kubernetes clusters, system interfaces, and secure deployment capabilities. Improve scalability, reliability, software delivery, and infrastructure cost and performance. Lead migrations, integrate security practices, architect distributed systems, collaborate cross-functionally, and mentor engineers while remaining hands-on at Staff or Principal scope.

Build and operate site reliability engineering practices for regulated, cloud-based production environments. Responsibilities include observability, SLIs/SLOs, incident response, infrastructure automation, Kubernetes and cloud operations, disaster recovery exercises, compliant deployments, root-cause analysis, and reliability improvements. The role partners with engineering, product, laboratory, compliance, and quality teams while mentoring peers and helping establish the organization’s SRE culture.

Design, develop, verify, and maintain embedded system software and kernel drivers for NVIDIA Tegra ARM-based SoCs. Responsibilities include pre-silicon modeling, silicon bring-up, core OS enablement, hardware and software collaboration, unit testing, documentation, and system-level debugging. The engineer will also influence hardware architecture through design specifications and support next-generation SoC platforms.

Design and implement high-performance, scalable storage systems and client libraries for AI workloads. Build data loading, checkpointing, caching, POSIX-style and object-store integrations, observability and telemetry, and validate performance with platform, SRE, and AI teams using modern engineering practices.

Lead design, implementation, and deployment of core platform tooling enabling secure, cloud-native application delivery. Integrate with defense systems, own architecture, mentor engineers, contribute to open source, maintain documentation, and participate in a shared 24x7 on-call rotation.

Build and lead development of real-time, cloud-native integration pipelines and Java/Spring Boot microservices on GCP. Design event-driven streaming with Pub/Sub, Kafka, and CDC tools; govern REST APIs and data schemas; connect enterprise databases, supply chain systems, and data lakehouses. Responsibilities include architecture, coding, deployment, code reviews, integration templates, testing, monitoring, and technical leadership.

Design, develop, test, and optimize system software for next-generation ARM-based SoCs across pre- and post-silicon phases. Analyze architectural bottlenecks, workload performance, and performance-per-watt tradeoffs; develop hardware/software policies and optimization strategies. Lead performance analysis, competitive benchmarking, architecture documentation, and adoption of improvements across NVIDIA software products and open-source SDKs.

Build and operate Numeral’s public API, MCP server, billing and ERP integrations, infrastructure, data pipelines, and platform services. Own projects from design through production, improve observability and reliability, automate deployment workflows, and contribute to architecture decisions. The role requires strong backend engineering, distributed systems knowledge, cloud and container experience, and a customer-focused approach to dependable financial automation.

Build and scale AI-enabled developer experience systems, including CI/CD platforms, deployment safeguards, observability, automated response workflows, and multi-agent orchestration. Reduce developer toil and technical debt while improving software delivery speed, safety, reliability, and production quality. Partner with engineering teams to adopt AI-native delivery practices and convert emerging capabilities into scalable internal platforms.

Lead iOS engineering for the Subscription Growth team, building and improving premium subscription experiences, paywalls, upsell experiments, and promotional offers. Develop high-quality, testable solutions, refactor architecture, support automated app builds and releases, and collaborate across iOS, Android, web, backend, and infrastructure teams. Provide technical leadership, mentorship, and guidance on design, security, testing, deployment, and rapid experimentation.