Senior Software Engineer - Devx

Reddit Reddit · Consumer · San Francisco, CA · DevPlatform

Senior Software Engineer focused on building AI-powered and agentic developer tools and platforms to improve engineering productivity and velocity at Reddit. This role involves designing and implementing backend systems, infrastructure, and workflows that integrate AI capabilities into the software development lifecycle.

What you'd actually do

  1. Work cross-functionally across Reddit Engineering to understand developer needs, quickly prototype solutions, and iterate based on feedback.
  2. Design and build backend systems, APIs, infrastructure, and platform capabilities that improve developer workflows across Reddit.
  3. Build scalable and reliable systems across both AI-powered developer workflows and the core non-AI systems engineers rely on every day.
  4. Lead high-impact projects across Reddit’s developer tooling ecosystem by writing and reviewing code and design docs, aligning stakeholders, and making pragmatic technical tradeoffs.
  5. Build tools and integrations that connect developer workflows with Reddit’s existing infrastructure, CI/CD, security, source control, deployment, and operational systems.

Skills

Required

  • 5+ years of hands-on, post-grad, non-internship professional software development experience, with backend, infrastructure, or platform engineering as a core strength.
  • 3+ years of industry experience working on large-scale distributed systems, including building and improving highly scalable and reliable services.
  • Strong proficiency with Go, and significant experience with Go in production systems.
  • Experience designing and implementing maintainable APIs using technologies such as GraphQL, REST, HTTP, or gRPC.
  • Experience building platforms, developer tools, libraries, frameworks, or internal systems used by other engineers.
  • Experience with infrastructure, Kubernetes, cloud providers, or other systems that support modern software development and delivery.
  • Hands-on experience using AI-powered developer tools and workflows, with curiosity and judgment about where these tools can meaningfully improve developer productivity.
  • A track record of leading large, ambiguous, high-impact projects that require cross-team collaboration, technical judgment, stakeholder alignment, and clear ownership from problem definition through delivery.
  • A user-focused mindset, with strong empathy for internal engineering users and a focus on usability, reliability, scalability, and quality.
  • Excellent communication skills, with the ability to influence technical direction and navigate complex requirements across technical and non-technical stakeholders.
  • Experience mentoring engineers, raising the technical bar, and helping teams make pragmatic tradeoffs.
  • A self-directed, action-oriented approach. You are comfortable operating in ambiguity, learning quickly, and driving work forward even when the path is not fully defined.

Nice to have

  • Experience working in developer experience, developer productivity, internal platforms, or developer tooling.
  • Experience building tools or workflows for internal engineering users.
  • Experience building or extending CI/CD systems, and partnering with teams that own

What the JD emphasized

  • AI-powered developer tools
  • agentic developer tools
  • improving developer velocity
  • building scalable and reliable systems
  • strong engineering fundamentals
  • infrastructure experience
  • product judgment
  • real interest in developer experience and developer productivity
  • Hands-on experience using AI-powered developer tools and workflows
  • track record of leading large, ambiguous, high-impact projects
  • user-focused mindset
  • strong empathy for internal engineering users

Other signals

  • AI-powered developer tools
  • agentic developer tools
  • improving developer velocity
  • building scalable and reliable systems