Weave - Principal Software Engineer, Applications

• Technical Strategy & Architecture • Own the multi-year technical vision for Payments, Scheduling, and RCM application platforms, 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 high-scale customer experience and transactional platforms 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 • 15+ 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. • 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.