# Senior Software Engineer, GenAI Platform

**Company:** [Reddit](https://hotfix.jobs/companies/reddit)
**Location:** Remote
**Role:** ML Engineering
**Salary:** $191k – $267k/yr
**Experience:** 5+ years
**Skills:** Python, Go, Kubernetes, AWS, Terraform, GCP, LangChain, LangGraph, TensorFlow, PyTorch
**Posted:** 2026-03-31

> Leads development of Reddit's large-scale GenAI Platform, including LLM Gateway, RAG applications, and agentic AI workflows. Requires 5+ years in ML/AI platform engineering with expertise in cloud, Kubernetes, and MLOps practices.

## Job Description

## What You’ll Do

- 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.
- Design and develop 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.

## Who You Might Be

- **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 knowledge of model serving, inference pipelines, monitoring, and observability for AI systems is a plus.
- Strong proficiency in **Python** and experience with modern AI/ML frameworks (e.g. **LangChain**, **Vertex AI Agent Builder**, **TensorFlow**, **PyTorch**) is a plus.

## Similar roles

- [Senior Software Engineer](https://hotfix.jobs/jobs/2b9ef7db-c45c-4f6b-a155-5acd30910c93) - Reddit - Remote - $191k – $267k/yr
- [Senior Machine Learning Engineer, Relevance and Personalization](https://hotfix.jobs/jobs/44962d68-8dfa-4dcd-a800-8bc388a6d6fc) - Airbnb - Remote - $191k – $225k/yr
- [Sr. Machine Learning Engineer](https://hotfix.jobs/jobs/1c2c00de-a45e-4eb5-b53e-458fdf68641c) - Illumio - Sunnyvale, CA - $191k – $220k/yr
- [Senior Machine Learning Research Engineer](https://hotfix.jobs/jobs/214cadec-8517-4e60-af1c-12f4a4891456) - David AI - San Francisco, CA - $190k – $260k/yr
- [Senior AI Engineer](https://hotfix.jobs/jobs/9151c56f-26b1-4aba-94d0-9285e9b42e65) - Fieldguide - San Francisco, CA - $190k – $255k/yr

**Apply:** https://hotfix.jobs/jobs/02d345a4-f727-47fa-a141-43584a025092
**Canonical:** https://hotfix.jobs/jobs/02d345a4-f727-47fa-a141-43584a025092