Senior Software Engineer, Web Platform

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . This role is remote friendly. Reddit has a flexible first workforce. Who We Are The Web Platform team leads the development of the Shreddit platform, the heart of reddit.com . We focus on platform-wide architecture, performance optimizations, operational health and upleveling our web developer experience for one of the most trafficked sites on the internet. With us, you’ll turn ambiguous platform problems into clear designs and ship high‑quality, observable, well‑tested solutions that other teams rely on every day. You'll drive key platform initiatives, including optimizing Shreddit's global performance, evolving HTML rendering, and enhancing web infrastructure resiliency and scale. You will also boost developer experience through AI tooling, automated workflows, and streamlined CI/CD pipelines. Who You Are • Platform Minded Engineer: You empower engineers to deliver safe, scalable, and high-performance solutions by standardizing cross-organizational patterns, workflows, and tooling. • Pragmatic Builder: You strike the right balance between rapid iteration and architectural rigor, delivering scalable solutions without getting bogged down by unnecessary processes. • Effective Collaborator: You excel in communicating complex technical concepts clearly to both technical and non-technical stakeholders. • Continuous Learner: You have a deep curiosity for emerging technologies and actively keep up with modern industry trends, standards, and performance optimizations. What You’ll Do • Build with impact: Design and evolve the Shreddit web platform’s architecture, performance, and developer tooling that powers reddit.com for hundreds of millions of users across the world. • Full-Lifecycle Development: Lead end‑to‑end delivery of complex, cross‑service initiatives in areas like asset delivery, html processing, observability and reliability for core web experiences. • Quality & Velocity: Move fast while maintaining high quality standards through thorough code reviews, detailed design doc evaluations, and constructive feedback on product specs and UI mocks. • Mentorship & Engineering Standards: Help establish developer workflows, champion best practices, and mentor junior and mid-level engineers to elevate technical excellence across the team. Technical Qualifications • Web Expertise: Strong proficiency in modern web stacks, including JavaScript, TypeScript, React, and Next.js, with a proven track record of translating complex problems into performant, scalable and safe responsive, production-grade applications. • Operational Health Excellence: Experience tracing, profiling and tuning performance of network calls, rendering, or data access paths, monitoring and reporting their operational health. • AI-First Workflows Expertise : Experience implementing AI workflows and tooling to support and accelerate high quality web development, optimization and debugging. • API & System Design: Demonstrated experience designing, building, and maintaining robust APIs using protocols such as REST, GraphQL, gRPC, HTTP, or Thrift basics. • Education: Bachelor’s degree in Computer Science, a related technical field, or equivalent practical experience. Benefits: • Comprehensive Healthcare Benefits and Income Replacement Programs • 401k with Employer Match • Global Benefit programs that fit