Senior Platform Engineer - Developer Tools & AI Workflows

Reddit, Inc.; San Francisco (CA); On-site; USD 190,800 - 267,100; Full time

Benefits offered by this job

Comprehensive Healthcare Benefits and

401k with Employer Match

Global Benefit programs; professional,

Family Planning Support

Gender-Affirming Care

Mental Health & Coaching Benefits

Flexible Vacation & Paid Volunteer

Generous Paid Parental Leave

Job summary

Reddit, Inc. in San Francisco is seeking an experienced backend/platform engineer to design and build scalable developer tooling and AI-powered workflows. You will work across backend systems, infrastructure, and internal tooling to improve engineering productivity.

You will mentor engineers, lead high-impact projects, and collaborate with CI/CD, security, and product teams to deliver reliable, maintainable systems.

Qualifications

• 5+ years of hands-on, post-grad software development experience with backend, infrastructure, or platform engineering as a core strength.
• 3+ years of industry experience with large-scale distributed systems and reliable services.
• Experience designing maintainable APIs using GraphQL, REST, HTTP, or gRPC.
• Experience building platforms, developer tools, libraries, frameworks, or internal systems for engineers.
• Experience with infrastructure, Kubernetes, cloud providers, or similar systems.

Responsibilities

• Work cross-functionally across Reddit Engineering to understand developer needs, prototype solutions, and iterate based on feedback.
• Design and build backend systems, APIs, infrastructure, and platform capabilities to improve developer workflows.
• Build scalable, reliable systems across AI-powered developer workflows and core non-AI systems.
• Lead high-impact projects across Reddit's developer tooling ecosystem with strong technical judgement.
• Build tools and integrations that connect developer workflows with existing CI/CD, security, source control, deployment, and operational systems.
• Mentor engineers and help shape a roadmap that reflects real developer needs and delivers meaningful improvements.

Skills

Go

Distributed systems

API design

Kubernetes

AI tooling

Code reviews

Mentoring

Communication

Tools

Kubernetes

Job description

Reddit, Inc. in San Francisco is seeking an experienced backend/platform engineer to design and build scalable developer tooling and AI-powered workflows. You will work across backend systems, infrastructure, and internal tooling to improve engineering productivity.

You will mentor engineers, lead high-impact projects, and collaborate with CI/CD, security, and product teams to deliver reliable, maintainable systems.