Top Remote Principal Engineer Jobs in Chicago, IL

Lead the Streaming Systems team, building high-throughput, low-latency infrastructure for real-time computation on billions of events. Mentor engineers and solve complex scaling challenges directly affecting marketing AI products.

The Principal Developer will lead the technical direction of the Exposure Management product area, contribute to architectural decisions, mentor engineers, and ensure high engineering standards across teams.

Lead and build an end-to-end domain: design architecture, write production code, set technical bar, mentor engineers, and deliver high-impact AI products (agents, runtimes, integrations) in a San Francisco onsite role.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

Design and scale a reusable Customer Success AI platform: build foundational AI infrastructure (orchestration, memory, context, workflow engines), optimize model routing, observability, governance, and security, lead architecture and standards, mentor engineers, and partner cross-functionally to deliver enterprise-grade, multi-product AI capabilities.

Build and maintain ZODL's core Rust-based wallet and infrastructure (Zallet and core libraries). Implement protocol features from specifications, improve performance and reliability, support mobile teams, participate in reviews, testing, releases, and respond urgently to bugs and security issues.

Lead design and architecture of cloud-first, full-stack enterprise software. Provide technical leadership, mentor engineers, promote automated testing and CI, improve scalability, troubleshoot issues, and deliver complex projects on time.

Lead long-term technical strategy and execution across multiple teams, architecting and evolving foundational frontend/backend systems and platforms at massive scale. Drive AI/ML adoption, solve ambiguous, high-impact problems, remain hands-on in critical system design and implementation, and align senior leaders on roadmaps and engineering standards.

The Principal Consulting Engineer designs, deploys, and optimizes private cloud infrastructures, ensuring solutions meet customer approval and providing technical leadership.

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.

The Principal Engineer will shape the technical strategy for messaging infrastructure, influence architectural decisions across teams, and solve complex technical problems. Responsibilities include mentoring engineers, driving coherence across teams, and leading initiatives to ensure Weave's competitiveness in messaging solutions.

Partner with sales to design and present data security solutions, lead technical evaluations and custom configurations, gather customer requirements, and drive successful hands-on proof-of-concept and evaluation outcomes for the Data Security business line.

The Principal Consulting Engineer will implement and support IP-based call center solutions, guide project strategies, and provide technical leadership while collaborating with clients and stakeholders to achieve project goals.

Lead design and delivery of a cloud-native BaaS payments platform. Architect scalable distributed systems, define API contracts, drive CI/CD and TDD practices, mentor engineers, reduce technical debt, and partner with product teams.

Lead design, build, deploy, and operate agentic AI solutions using Microsoft Copilot Studio, Power Platform, Dynamics 365, and Azure services. Own reference implementations, CI/CD, integrations (Dataverse, REST APIs), monitoring, compliance, and mentor engineering teams while collaborating with product, data, security, and architecture stakeholders.

Lead architecture, design, and delivery of PET product features; write production full‑stack code; champion testing, observability, CI/CD and operational readiness; mentor engineers and collaborate with product to shape technical roadmap.

The Principal Engineer will lead the technical ecosystem, ensuring hands-on execution in a high-growth environment, focusing on AI integration and full-stack development.

Lead architecture and technical roadmap for Twilio's Compliance Experiences platform. Modernize legacy systems into cloud-native microservices, drive AI-augmented development (LLMs/agents), ensure reliability/security at scale, mentor senior engineers, translate regulatory requirements into developer-friendly APIs, and steer cross-team technical strategy and incident remediation.

Lead design and delivery of flight-critical power electronics for the X-BAT aircraft, including inverters, DC-DC converters, and battery management. Own full hardware development cycle, drive PCB layout, harden designs for harsh environments, mentor engineers, lead reviews, and manage program timelines through production.

Lead architecture, development, and validation of end-to-end aircraft fuel systems. Drive cross-functional integration, system-level modeling (CFD), verification, supplier qualification, ground and flight test support, anomaly root-cause analysis, and mentor engineering teams while contributing to long-term fuel-system technology roadmaps.

Senior technical leader responsible for designing and implementing scalable Databricks/Azure data architectures, building high-scale pipelines, embedding across teams to unblock delivery, mentoring engineers, and defining engineering standards and best practices for enterprise data platforms.

Build, operate, and secure cloud-native and edge infrastructure including Kubernetes, artifact pipelines, application streaming, and air-gapped appliances. Partner with product, GRC, and mission owners to design, deploy, and harden systems, remediate vulnerabilities, support audits (IL5/IL6/JWICS), and ensure trusted artifact delivery across environments.

Senior, client-facing principal to grow New Jersey land remediation practice. Responsibilities include business development, leading complex site investigation/remediation projects, technical oversight and review, NJDEP regulatory coordination with LSRP, project financial and staff management, mentoring staff, and promoting practice growth and technical excellence.

The Principal Engineer will lead AI-driven productivity initiatives, develop a strategy for integrating AI in engineering workflows, and improve collaboration across teams. Responsibilities include executing projects, ensuring code quality, and setting success metrics.

Lead architecture and implement large cross-cutting initiatives on a SaaS grantmaking platform. Produce high-quality full‑stack code (Rails/React/Node), mentor engineers, drive SDLC best practices, and champion AI-assisted development while collaborating with product, infra, and QA teams.