Top Senior Software Engineer Jobs in Sacramento, CA

Lead design and delivery of scalable, cloud-native healthcare systems and real-time data pipelines. Architect event-driven, batch/stream hybrid solutions, integrate clinical data standards, optimize performance and costs, mentor engineers, and collaborate with product and stakeholders to deploy resilient, compliant services.

Build and evolve a large-scale search and reporting platform: design and implement streaming data pipelines, improve search relevancy and indexing, scale systems 10x, control costs, ensure production readiness (testing, monitoring, reliability), support escalations, and collaborate on architecture, code reviews, and hiring.

Lead the development of high-performance software systems, mentor junior engineers, and contribute to technology strategy while ensuring scalable and maintainable solutions.

As a Software Engineer in AI Infrastructure, you will design and develop core platform components, build APIs and services, enhance performance, and automate tooling while collaborating across teams and improving system reliability.

Build and maintain infrastructure automation, integrations, and SRE tooling. Develop backend services, infrastructure-as-code, observability, and provisioning for bare metal, VMs, and Kubernetes. Collaborate with hardware, software, and AI teams, drive operational excellence, and provide technical leadership.

Build and own integrations between HubSpots financial systems (ERP, billing, tax, revenue recognition). Ensure financial correctness, SOX compliance, reliability, incident response, and clear cross-functional communication with Finance, Compliance, and auditors. Mentor engineers, improve reporting pipelines, and participate in hiring.

Lead design and delivery of medium-to-large backend projects, architect scalable distributed systems, mentor engineers, use LLMs and agentic tools to accelerate development, participate in on-call rotations and incident response, and collaborate with Product and Design to build customer-focused solutions.

Design, build, operate, and optimize a hyper-scale distributed data ingestion service for Office365. Implement telemetry, monitoring, and privacy/compliance safeguards, collaborate with downstream teams, support 24/7 operations (OnCall), and improve performance and cost efficiency.

Lead design, build, and launch of a React Native companion app integrated with a unified TypeScript monorepo. Ship full-stack features across accessible React UIs, type-safe APIs, and GraphQL; own releases, observability, and post-release iteration. Mentor engineers, improve CI/CD and testing, and ensure accessibility and reliability in a regulated healthcare compliance platform.

Build and maintain the full-stack Raise product: polished donor-facing UIs and backend systems. Own features end-to-end, ensure scalability, reliability, and performance, review AI-generated code, collaborate with Product and Design, write clean testable code, and support observability and incident resolution.

Design, implement, and own production platform subsystems for an enterprise AI control plane. Deliver production-ready Go services on Kubernetes, ensure reliability, observability, and scalability, mentor engineers, drive design docs and code quality, and contribute to the open-source ToolHive/MCP ecosystem.

Design, build, and maintain backend services for Outlaw's contract management platform. Develop Node.js/TypeScript APIs, optimize PostgreSQL schemas, integrate third-party APIs, participate in on-call rotation, perform code reviews, mentor junior engineers, and improve system performance and security.

Build and optimize high-volume web applications using .NET, Node, React and AWS; maintain and improve existing systems; troubleshoot bugs; perform code reviews; mentor junior engineers; participate in on-call rotation; and improve scalability and performance.

Design, develop, test, and analyze operating-systems-level and embedded systems software. Define operational specifications, formulate and analyze software requirements, and apply computer science, engineering, and mathematical principles to mission-critical government projects.

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Build and operate services and tooling to automate network lifecycle, ensure safe network changes, develop scalable observability and telemetry, integrate network source-of-truth via APIs, and collaborate with network engineers and SREs to deliver production-grade automation and reliability.

Lead architecture and hands-on implementation of an offline-first edge computing platform in Go. Design distributed messaging and cloud-to-edge synchronization, optimize services for resource-constrained in-store hardware, maintain Kubernetes/Helm deployments, mentor engineers, and collaborate with Product and DevOps for phased rollouts and migrations.

Design, implement, debug, and ship features for Azure Storage front end at cloud scale. Drive design, dependency identification, automation, reliability, observability, and on-call incident response while collaborating with stakeholders and mentoring engineers.

Design, build, and operate scalable web applications, APIs, services, and AI-enabled workflows. Use AI tools across the development lifecycle, ensure reliability, performance, and observability, contribute to technical decisions, iterate from user feedback, and own production quality and delivery as part of cross-functional squads.

Lead and coach a software engineering team to design and deliver production-grade reference architectures, sample applications, and reusable implementation patterns. Provide hands-on technical leadership across cloud-native, containerized, and distributed systems; drive architecture and adoption of best practices; partner with platform and infrastructure teams; participate in coding, prototyping, and troubleshooting; manage staffing, prioritization, and delivery planning.

Design, build, and maintain scalable Python backend services; implement SQL and NoSQL databases; create CI/CD pipelines (GitHub Actions, Google Cloud Build); collaborate with product and frontend teams; perform code reviews, debugging, performance optimization, and mentor junior engineers.

Join Twilio as a Staff Software Engineer to design and build scalable, reliable communication systems. Collaborate with cross-functional teams, mentor engineers, drive technical direction, perform architecture and code reviews, and deliver high-quality production services in a remote-first environment.

Senior Software Engineer at Twilio will design, build, and maintain scalable communication systems, collaborate with cross-functional teams, mentor engineers, and contribute to architecture and delivery. Responsibilities include writing high-quality code, improving performance and reliability, shipping product features, and participating in technical planning within a remote-first, inclusive environment.

Design, implement, and operate highly scalable Azure cloud services and full‑stack features for Compute Manager. Own design, coding, debugging, reliability, and on‑call operations as a DRI. Collaborate across teams to improve availability, performance, observability, and run distributed systems at hyperscale.