Source Job

Global Unlimited PTO

  • Define architecture and technical direction for core product capabilities spanning clients, distributed services, data platforms, and shared infrastructure.
  • Establish engineering standards and reusable architectural patterns for scalable, maintainable, and resilient product systems across Product Engineering.
  • Drive long-term technical strategy across critical product areas, balancing delivery needs with scalability, operational excellence, and platform sustainability.

Distributed Systems Event-Driven Architecture Microservices Security AI/ML Integration

18 jobs similar to Principal Engineer

Jobs ranked by similarity.

US

  • Define and champion architectural best practices, leading the transition from monoliths to distributed systems for scalability and resilience.
  • Shape the technical roadmap by collaborating with engineering leaders on service design, data flow, and system interactions.
  • Mentor engineers and foster a culture of strong engineering fundamentals, service ownership, and thoughtful system design.

Engine is transforming business travel into a personalized, rewarding, and simple experience by combining corporate travel, a charge card, and spend management in one platform. With over 30,000 companies relying on Engine, it supports 1 million travelers and billions in annual bookings, recognized as one of the fastest-growing travel and fintech platforms in North America.

US

  • Define and drive the technical roadmap for platform infrastructure and scalability.
  • Design and review complex system architectures that support company growth.
  • Mentor engineers and provide technical guidance to elevate engineering capabilities.

PadSplit operates a marketplace for affordable shared housing. It is a growing company with an engineering-focused culture that values collaboration and technical excellence.

US Unlimited PTO

  • Define target-state architecture for the company's platform evolution.
  • Guide major architectural decisions with clear reasoning and tradeoff analysis.
  • Influence engineering leadership to improve coherence and long-term technical direction.

Employ transforms how hiring gets done with three ATS solutions—Jobvite, Lever, and JazzHR—plus AI Companions, freeing recruiters from admin work. They're a remote-first team of over 23,000 global customers, backed by flexible scheduling, comprehensive benefits, and a people-first culture.

US

  • Provide senior technical leadership across Agile Release Trains and product teams to define and maintain solution architectures aligned with business objectives and enterprise standards.
  • Lead integration of AI, ML, and Generative AI into mission workflows, including secure use of LLMs, RAG, and decision-support capabilities.
  • Design and oversee cloud-native architectures in AWS GovCloud, enforce Zero Trust principles, and partner with DevSecOps teams to improve CI/CD pipelines and delivery excellence.

Peraton is a next-generation national security company that delivers mission capability integration and transformative IT solutions to protect the nation and allies. As a leading mission capability integrator, the company serves essential government agencies and all branches of the U.S. armed forces, with employees solving complex challenges across land, sea, space, air, and cyberspace.

US Unlimited PTO

  • Architect large distributed systems across complex, multi-stakeholder environments, balancing long-term strategy with hands-on design.
  • Drive legacy modernization, data dependency mapping, and enterprise-wide context building for AI-assisted development.
  • Collaborate with executives and engineers on trade-off analysis, architecture decisions, and roadmap contributions.

8th Light is a technology solutions consultancy that partners with organizations from startups to large companies, building durable software and platforms. Founded in 2006 and headquartered in Chicago, we have a global remote team and foster an open, collaborative culture grounded in honesty and continuous learning.

Global Unlimited PTO 18w maternity 12w paternity

  • Set technical direction for the Athena clearing house, making architectural calls on data validation pipelines and workflow orchestration.
  • Scale the team and product area, driving transition from rapid prototyping to sustainable, production-grade product stack.
  • Lead design of systems processing unstructured vulnerability reports, deduplicating findings, and surfacing clean signals to remediation teams.

Chainguard secures the open source software supply chain, delivering hardened, production-ready builds of open source software. They are venture-backed by leading investors and serve Fortune 500 enterprises and global industry leaders.

Global

  • Lead architecture evolution to significantly improve data processing throughput and scalability.
  • Identify and resolve bottlenecks across data pipelines via profiling and benchmarking.
  • Define cross-product standards for inter-service communication and system observability.

Filigran develops open-source cybersecurity solutions for proactive threat management. Trusted by over 6,000 organizations worldwide, we foster a culture of Cohesion, Openness, Responsibility, and Equity.

US

  • Lead the architecture and long-term technical roadmap for a global distributed systems platform.
  • Pioneer AI-driven development workflows using LLMs to accelerate code generation and automation.
  • Mentor senior engineers and drive technical excellence across multiple teams, balancing innovation with reliability.

Twilio is a cloud communications platform that delivers innovative solutions to hundreds of thousands of businesses and empowers millions of developers worldwide. The company fosters a remote-first culture with a strong emphasis on connection and global inclusion.

Global

  • Define and maintain application architecture standards, principles, and best practices for scalable, secure systems.
  • Lead architecture reviews, integration strategies, and modernization initiatives across distributed environments.
  • Mentor technical teams, promote engineering excellence, and drive adoption of AI-powered practices.

Applaudo is an AI-native organization that designs, builds, and scales AI-powered solutions to create real business impact. The company fosters a high-performance culture built on Empowering Excellence, Collaborative Teamwork, Unsolicited Respect, Consistent Transparency, and Efficient Communication.

US

  • Design, build, and maintain scalable back-end systems and APIs for high-throughput messaging operations.
  • Improve platform reliability, performance, observability, and automation across onboarding, compliance, and routing.
  • Collaborate with Product and Operations teams to translate complex workflows into scalable distributed systems.

Volt Labs builds the infrastructure layer behind modern business messaging, helping companies navigate messaging compliance, onboarding, deliverability, routing, and operational complexity across carriers and providers. We are a remote-first, high-ownership team operating in a fast-moving growth environment with a deep focus on builder mentality, operational excellence, and collaborative culture.

  • Own and drive architecture and design for large-scale, complex internal platform systems.
  • Define and influence the long-term technical roadmap, ensuring scalability and reliability at global scale.
  • Lead platform modernisation initiatives, including architecture evolution, technical debt reduction, and reliability improvements.

OKX is a leading crypto exchange and developer of the OKX Wallet, giving millions access to crypto trading and decentralized applications. The company is trusted by large institutions, backed by Proof of Reserves, and united by core principles that foster a friendly, rewarding, and diverse environment.

US Canada

  • Define security architecture and build controls for AI platforms, training and inference workflows, and agentic systems.
  • Design reusable security patterns for identity, authorization, and runtime controls to constrain execution and data exposure.
  • Lead hands-on security reviews and influence security architecture through practical design changes and reusable controls.

Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs, delivering industry-leading training and inference speeds. With dozens of model releases and rapid growth, they have a non-corporate work culture that respects individual beliefs.

Global Unlimited PTO

  • Own the end-to-end architecture vision across front end, back end, data pipelines, and AI agent harness, establishing patterns and shared enablers.
  • Work hands-on alongside engineering teams, contributing code, reviews, and design leadership while driving distributed systems and event-driven design.
  • Partner with data engineers and actuaries to align data pipeline architecture with analytics and decision-support layers.

Arbital Health is a healthcare technology and actuarial company that centralizes and adjudicates value-based care contracts. They have a small team of over 40 clients and a culture that values humility and fast-paced growth.

US 12w maternity 12w paternity

  • Lead high-performing engineering teams in building identity security platforms (ITDR and ISPM) for millions of users globally.
  • Define technical vision, architecture, and engineering standards for scalable, identity-focused cybersecurity products.
  • Collaborate with product, security, and architecture teams to drive roadmap execution and deliver customer value.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies efficiently. As a partner company, we manage applications and next steps for this role, operating in a remote-first, high-growth environment focused on cybersecurity.

Global Unlimited PTO

  • Setting and driving the technical strategy across the Partners engineering teams, from architecture decisions through to hands-on implementation.
  • Owning the design of core backend services for high-performance distributed systems, with scale and reliability as non-negotiables.
  • Acting as the technical authority on partner integrations — shaping how third-party PSPs connect with Primer's platform.

Primer is the unified infrastructure for global payments, giving finance teams visibility and control. We are backed by top investors and have a remote-first culture focused on impact.

US

  • Lead the design and development of scalable IAM and eCommerce systems, translating product strategy into production-ready solutions.
  • Architect and implement secure authentication flows (OAuth2, OIDC) and robust payment processing lifecycles.
  • Drive performance optimization across distributed systems, including databases, caching layers, and microservices architectures.

Versant is an industry-changing media and entertainment business that operates across political news, business news, golf, and sports, with brands including CNBC, USA Network, and Fandango at Home. The company has a culture grounded in Trust, Teamwork, Transparency, Agility, and Entrepreneurial Spirit, and offers competitive compensation and comprehensive benefits.

Brazil

  • Design, build, and operate a high-performance, globally distributed storage platform for all critical Airbnb data.
  • Collaborate with top-tier engineers to evolve modern distributed infrastructure and data access layers.
  • Empower engineers across Airbnb by building tools and automation for data schema management and system reliability.

Airbnb was born in 2007 and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals globally. The company is committed to inclusion and belonging, and aims to attract creatively-led people from the broadest talent pool possible.

US

  • Lead technical architecture and engineering standards across customer-facing and operational systems.
  • Champion AI-assisted development, establishing best practices for LLMs in coding, testing, and workflows.
  • Mentor engineers and drive engineering excellence through code quality, CI/CD, and operational reliability.

Koala Health aims to make managing your pet’s health simple and delightful, offering a pharmacy service for medications and supplements delivered in pre-sorted pouches. The company fosters a remote-first culture built on flexibility and trust, with a supportive, close-knit team that celebrates wins and learns fast.