Top Remote Principal Software Engineer Jobs

Lead design, build, deploy, and support a new AI-driven enterprise SaaS platform. Own features end-to-end, drive technical designs, mentor engineers, enforce best practices, perform expert code reviews, and ship scalable production Python services with AI-assisted engineering workflows.

Lead backend technical strategy and hands-on implementation to migrate on-prem systems to Azure, decompose a .NET monolith into service-based architecture, define data models and API contracts, ship customer-facing features with CI/CD and observability, and mentor engineers across the cross-functional Platform team.

Lead architecture and technical strategy across an infrastructure platform ecosystem. Drive hands-on architectural improvements to graph engine and backend services, reduce technical debt, establish standards, champion AI-first engineering practices, run architecture/code reviews and mentorship, and collaborate with product and leadership to ensure scalable, extensible systems.

Architect and build AI-native production systems across a multi-language stack, design offline and online evaluation frameworks for LLMs, monitor live model behavior and drift, lead architecture reviews, mentor senior engineers, and prototype and ship AI capabilities while ensuring reliability and correctness in a regulated domain.

Lead technical strategy and architecture across teams, resolve cross-system issues, mentor engineers, participate in on-call rotations, build production-grade full‑stack software, and ensure scalability, reliability, security, and cost-efficiency of cloud systems.

Lead design, development, and support of enterprise infrastructure and services. Drive architecture discussions, prototypes, capacity planning, and system launches. Troubleshoot performance, collaborate across teams and open-source communities, document solutions, and support on-call rotations to ensure reliable, scalable cloud and Linux-based systems.

Design, implement, and operate production-quality AI framework components, benchmark and optimize large model training and inference across GPUs and Microsoft hardware, build automation and observability, drive cross-team projects from definition to deployment, and provide technical leadership and mentorship for improvements in performance, reliability, and model onboarding velocity.

Lead architecture, integration, installation, upgrade, and enterprise implementation of Privileged Access Management tools (CyberArk, Entra, BeyondTrust). Design and code complex software solutions, align business strategy with technology, provide technical guidance, and lead problem-solving and documentation for PAM initiatives.

Architect and build TeraWave Point of Presence infrastructure, implement and optimize wire-speed dataplane using DPDK/VPP, tune IP networking stacks (BGP/OSPF), drive performance engineering at the software-hardware interface, mentor engineers, and integrate PoP systems with the broader satellite communications ecosystem.

Lead architecture, development, and maintenance of high-performance cross-platform desktop and mobile audio applications using C#/.NET. Design low-latency streaming, metadata and networking systems, drive cross-platform initiatives, mentor engineers, implement CI/CD and AI-assisted workflows, and improve performance, scalability, and reliability.

Lead the technical direction for production engineering in NVIDIA DGX Cloud, focusing on Kubernetes operations, automation, and reliability for GPU clusters.

Lead architecture and roadmap for Azure PostgreSQL systems; design and review scalable, maintainable database engine features (query processing, storage, transaction logging, recovery, versioning, IO, scale-out). Influence coding standards and run code reviews, write proof-of-concept or production code, contribute to open-source PostgreSQL/Linux, and participate in rotational on-call operations.

Work on end-to-end AI performance for LLMs: benchmark and optimize inference on GPUs and Microsoft silicon, build tooling for performance insights and model porting, implement and test components in AI/DNN frameworks, and collaborate with internal and external partners to reduce hardware footprint and accelerate deployments.

The Senior Principal Product Architect leads the architecture of Workload Automation and DevOps solutions, focusing on automation technologies, hybrid cloud environments, and mentoring teams to modernize software engineering processes.

Lead the technical roadmap and design for Marqeta's core issuing and processing platform. Drive high-impact initiatives to improve performance, reliability, scalability, and cost-efficiency. Write, review, and optimize code across the stack, partner with product, mentor technical leads, and evangelize best practices for resiliency, security, and multi-region systems.

The Principal Software Engineer at Snout will define architectural direction, build features across the stack, and enhance team effectiveness, ensuring quality and performance.

As a Principal Software Engineer, you will lead AI networking system transformations, manage complex customer engagements, and influence NVIDIA's networking technologies.

Lead backend and full-stack engineering strategy, design and deliver scalable, secure distributed systems and microservices for government customers. Drive architecture, data design, observability, CI/CD, cloud-native patterns, mentoring, and large modernization initiatives while collaborating with product and stakeholders.

Lead the design and implementation of high-performance PoP infrastructure, optimize networking software, and mentor engineering teams at Blue Origin.

Lead full‑stack development and ownership of ZoomInfo's Mesh AI platform: build React frontends, backend APIs, cloud infrastructure, LLM integrations, orchestration workflows, developer SDKs, respond to incidents, ensure quality, and mentor engineers.

Lead design and prototyping of generative AI experiences for autonomy development; drive UX for Hivemind products; perform user research, collaborate with CTO and product leads, and deliver reference implementations and integrations across full-stack web and edge systems.

Lead technical strategy and hands-on development of HubSpot's build, test, and deploy platform. Design scalable CI/CD, test orchestration, and AI-powered QA agents, drive architectural decisions, remove pipeline bottlenecks, and deliver cross-team initiatives that increase deployment velocity and reliability for thousands of engineers.

Technical leader on the Elasticsearch Search team driving design and implementation of search and vector features, improving relevance, contributing to Lucene, mentoring engineers, triaging community issues, and writing idiomatic modern Java for a distributed, collaborative team.

As a Principal Software Engineer, you'll develop software systems for NVIDIA's rack-scale infrastructure, defining software architecture, collaborating across teams, mentoring engineers, and ensuring high-quality technical decisions in complex environments.

Lead the evolution of Backcountry's ecommerce platform, guiding architecture, mentoring teams, and driving modernization and scalability initiatives.