Note: The job is a remote job and is open to candidates in USA. Reddit is a community of communities where people can dive into anything through experiences built around their interests, hobbies, and passions. As a Senior Software Engineer, you will lead the development of a large-scale GenAI Platform, focusing on the design and implementation of key AI systems and infrastructure.
Responsibilities
- Lead the development of a large-scale GenAI Platform at Reddit
- Contribute to the design, implementation, and maintenance of the LLM Gateway, focusing on features like unified API endpoints for internal/externally hosted LLM, rate/token limit management, and intelligent failover mechanisms to boost uptime and reliability
- Designed and developed ML and Generative AI systems in cloud-based production environments at scale
- Build and manage enterprise-grade RAG applications using embeddings, vector search, and retrieval pipelines
- Implement and operationalize agentic AI workflows with tool use using frameworks such as LangChain and LangGraph
- Drive adoption of MLOps / LLMOps practices, including CI/CD automation, versioning, testing, and lifecycle management
- Establish best practices for observability, monitoring, evaluation, and governance of GenAI pipelines in production
- Strong ownership mindset and platform thinking
- Ability to lead AI platform delivery from concept to production
Skills
- 5+ years of experience in ML Engineering, AI Platform Engineering, or Cloud AI Deployment roles
- Experience operating orchestration systems such as Kubernetes at scale
- Deep experience with cloud-based technologies for supporting an ML platform, including tools like AWS, Google Cloud Storage, infrastructure-as-code (Terraform), and more
- Proficiency with the common programming languages and frameworks of ML, such as Go, Python, etc
- Excellent communication skills with the ability to articulate technical AI concepts to non-technical stakeholders
- Strong focus on scalability, reliability, performance, and ease of use
- Strong ownership mindset and platform thinking
- Ability to lead AI platform delivery from concept to production
- Strong knowledge of model serving, inference pipelines, monitoring, and observability for AI systems
- Strong proficiency in Python and experience with modern AI/ML frameworks (e.g. LangChain, Vertex AI Agent Builder, TensorFlow, PyTorch)
Benefits
- Comprehensive Healthcare Benefits and Income Replacement Programs
- 401k with Employer Match
- Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
- Family Planning Support
- Gender-Affirming Care
- Mental Health & Coaching Benefits
- Flexible Vacation & Paid Volunteer Time Off
- Generous Paid Parental Leave
Company Overview
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable. It was founded in 2005, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.redditinc.com.Company H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships, with 22 in 2026, 99 in 2025, 63 in 2024, 76 in 2023, 70 in 2022, 68 in 2021, 39 in 2020. Please note that this does not guarantee sponsorship for this specific role.