Weave - Principal Engineer

• Technical Strategy & Architecture • Own the multi-year technical vision for messaging infrastructure, ensuring architectural decisions position Weave for scale, reliability, and competitive advantage • Drive architectural coherence across multiple teams, identifying and resolving cross-system dependencies and technical debt at the platform level • Lead technical due diligence for major initiatives, including build-vs-buy decisions, vendor evaluations, and platform migrations • Cross-Team Problem Solving • Identify and solve company-level technical problems that span organizational boundaries—the problems that are too complex, too cross-cutting, or too ambiguous for any single team to own • Compile information across systems, teams, and projects to develop comprehensive solutions with extensive validation, rollback, and testing plans • Forecast project costs in time, money, and opportunity cost; account for impacts across the business • Strategic Technical Leadership • Monitor the industry landscape, anticipate where messaging and data infrastructure are heading, and ensure Weave stays ahead of the curve • Cut through noise and hype to identify genuine strategic value; advocate for and lead key initiatives that prepare Weave for emerging challenges • Shape company-wide standards for engineering excellence, observability, and reliability in distributed systems • Mentorship & Organizational Capability • Actively mentor Staff and Senior Engineers across the fellowship, developing the next generation of technical leaders • Elevate architectural thinking across teams through design reviews, documentation standards, and hands-on guidance • Build organizational capability that persists beyond your individual contributions • What You Will Need to Accomplish the Job • 12+ years of software engineering experience with progressive technical leadership scope • Track record of leading cross-team technical initiatives that delivered measurable business outcomes • Demonstrated ability to influence without authority, build consensus across organizational boundaries, and translate technical tradeoffs into business terms • Deep expertise in distributed systems architecture, including building and operating services that handle hundreds of millions of transactions and terabytes of data • Proven experience with event streaming and messaging infrastructure (Kafka, Google Pub/Sub, or similar) at significant scale • Strong background in scalable data stores—both relational (PostgreSQL at scale, Vitess, Spanner) and NoSQL (Bigtable, Redis, etc.) • Operational experience with cloud-native infrastructure on GCP or AWS, including Kubernetes, infrastructure-as-code, and highly available system design • Solid backend engineering foundation (Go preferred; Python, Java, or C# acceptable) • What Will Make Us Love You • Experience with messaging delivery systems, carrier/aggregator integrations, or telecommunications infrastructure • Expertise in data platform architecture: streaming pipelines, data lakes, warehouses, or distributed analytics • Background in compliance-heavy environments (healthcare, fintech) with experience navigating regulatory requirements in technical design • Experience shaping AI/ML infrastructure or integrating AI capabilities into production systems • History of external technical leadership: open source contributions, conference speaking, or published technical writing • Strong opinions, loosely held—you bring conviction to technical discussions while remaining genuinely open to better ideas • #LI-REMOTE, #LI-HYBRID • At Weave, we use Artificial Intelligence (AI) tools to help us work more efficiently and create a smoother candidate experience. AI may assist with things like writing job descriptions, scheduling interviews, or reviewing applications against job-related criteria. For additional information, please review the External AI Policy Statement available on our Careers page.