Reddit

Open 49d RemoteNorth AmericaContractSenior

Senior Community Lifecycle Manager

A/B Testing AI Automation CSS Data Science +3 skills

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…

Open 48d RemoteNorth AmericaContractStaff

Staff Software Engineer - Site Defense

AI Anomaly Detection C++ Distributed Systems Java +6 skills

Staff engineer on Reddit's Site Defense team, designing and operating high-scale, low-latency infrastructure that blocks DDoS attacks, bots, scraping, and abuse at the ingress/edge. Work spans distributed systems, networking (CDNs, proxies, load balancing), security, and applied ML for real-time traffic classification.

Open 46d RemoteNorth AmericaContractSenior

Senior Manager, Community Growth & Intelligence

AI Analytics Community Management Data Science SQL

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…

Open 46d RemoteNorth AmericaContractStaff

Staff Software Engineer, Developer Ecosystem

AI API Api Design Developer Experience GraphQL +4 skills

Staff engineer helping shape Reddit's developer platform: building and leading the backend, platform, and full-stack systems and tools that let tens of thousands of external developers build apps on Reddit. Work spans the stack, with familiarity expected in C++, Java, Go, JavaScript, TypeScript, or React.

Open 39d RemoteNorth AmericaContract

Front End Software Engineer, Media Player

AI API GraphQL gRPC JavaScript +7 skills

Build and evolve Reddit's web media player and the APIs that power video and audio playback, working cross-functionally through the full development cycle. The stack centers on React, TypeScript, and Next.js on the frontend with Go and Python backend APIs using GraphQL, REST, and gRPC.

165K – 229K $

Open 36d RemoteNorth AmericaContractStaff H-1B sponsor history

Staff Threat Analyst, Ads Fraud

AI Analytics Big Data Data Science LLM +5 skills

As a Staff Threat Analyst at Reddit, you will architect the strategy and systems for detecting advertiser fraud, including account takeovers and billing abuse. You will conduct deep-dive investigations using SQL and Python, partner with engineering to build automated detection pipelines, and design operational playbooks to protect the advertising ecosystem.

168K – 235K $

Open 35d RemoteNorth AmericaContractStaff

Staff Machine Learning Engineer, AI Security

AI Data Lineage Data Pipelines Deep Learning Distributed Training +11 skills

Reddit is hiring a founding Staff Machine Learning Engineer on its AI Security team to lead the design, training, evaluation, and deployment of ML models that detect AI-related risks like prompt injection and jailbreaks. Day-to-day involves hands-on model development on Reddit's LLM Guardrails Platform using Python, PyTorch/TensorFlow, and distributed training pipelines, plus technical leadership

230K – 322K $

Open 35d RemoteNorth AmericaContractStaff

Staff Software Engineer - Ingestion Platform

AI API Automation BigQuery Cloud +15 skills

Staff engineer leading Reddit's Ingestion Platform: designing and operating distributed data-movement services for streaming and batch workloads (Kafka, BigQuery, S3/GCS, Apache Iceberg, Flink) on Kubernetes, building self-service APIs and connectors, and migrating legacy ingestion systems.

Open 35d RemoteNorth AmericaContractStaff

Staff Software Engineer, Consumer Engineering

AI Android API Api Design Authentication +19 skills

Staff backend engineer on Reddit's Consumer Engineering team, building and scaling the distributed systems and APIs behind user-facing features like feeds, recommendations, onboarding, growth, and monetization. Core stack includes Go or Python, GraphQL/REST/gRPC, and datastores like Redis, Cassandra, and PostgreSQL, with heavy use of A/B experimentation.

217K – 303K $

Open 34d RemoteNorth AmericaContractSenior

Senior Software Engineer, Consumer Engineering

AI Android API Api Design Authentication +19 skills

Senior backend role building and scaling user-facing features for Reddit's discovery, engagement, and community platforms. You will design low-latency APIs and distributed systems using Go or Python, GraphQL, and gRPC, while collaborating with cross-functional teams to drive product growth through data-informed experimentation.

190K – 267K $

Open 34d RemoteNorth AmericaContract

Software Engineer, Consumer Engineering

AI Android API Api Design Authentication +19 skills

Reddit is hiring a backend software engineer for its Consumer Engineering organization to build and scale distributed backend services and APIs behind user-facing features like feeds, onboarding, notifications, and account management. The role emphasizes Go/Python (or Java/Kotlin/Rust/C++), GraphQL/REST/gRPC, distributed datastores like Redis/Cassandra/PostgreSQL, and A/B experimentation.

164K – 229K $

Open 33d RemoteNorth AmericaContractMiddle H-1B sponsor history

Front End Software Engineer, Consumer Engineering

AI API Authentication Distributed Systems GraphQL +9 skills

Reddit is hiring a front end software engineer for its Consumer Engineering org to build and scale user-facing features (feeds, onboarding, identity, growth, monetization) end to end. The role uses JavaScript/TypeScript, front-end frameworks like React/Vue/Angular/LIT/Polymer with CSS, and APIs (GraphQL, REST, gRPC), with heavy emphasis on A/B experimentation.

164K – 230K $

Open 33d North AmericaContractSenior

Senior iOS Engineer, Media Experience

A/B Testing AI Data Science iOS Machine Learning +2 skills

Senior iOS engineer on Reddit's Media Experience team, building and optimizing the iOS video experience (players, playback, UI) to grow video views and users. Work is experiment-driven (A/B tests, QoE metrics) using Swift, AVFoundation, VideoToolbox, and HLS streaming in San Francisco.

191K – 267K $

Open 28d UKContractSenior

Senior Technical Solutions Manager

United Kingdom

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…

AI API Api Documentation Authentication Automation +6 skills

Open 27d RemoteNorth AmericaContractSenior

Senior Director, Data Science

AI Causal Inference Data Science Machine Learning Succession Planning

Senior Director of Consumer Data Science at Reddit, leading a multi-team organization that sets data science strategy for feed, search, recommendations, retrieval, and ranking systems. Day-to-day involves establishing measurement and experimentation frameworks, guiding ML system improvements, and building and coaching senior data science leaders.

317K – 444K $

Open 20d RemoteNorth AmericaContractStaff

Senior Staff Machine Learning Engineer, ML Understanding

AI API Embeddings Generative AI LLM +2 skills

Leads Reddit's next-generation user understanding initiative: designing and building a unified user representation layer (large-scale embeddings, interest/behavior modeling, LLM-based profiles) that powers personalization across Feeds, Search, Notifications, and Ads. Core tech: production ML, LLMs/foundation models, and large-scale serving infrastructure.

266K – 372K $

Open 19d RemoteNorth AmericaContractSenior

Senior Product Manager, Notifications

AI Data Science Machine Learning SQL

Senior Product Manager owning Reddit's Notifications team, building a real-time notifications platform (in-app, push, email) that drives user growth, engagement, and retention. Day to day: setting product strategy and roadmap, running and measuring experiments, analyzing data (SQL), and partnering with design, engineering, and data science. Remote within the US.

191K – 267K $

Open 19d RemoteNorth AmericaContractStaff H-1B sponsor history

Staff Machine Learning Engineer, Ads ML Efficiency

AI Cloud C++ Data Pipelines Distributed Systems +10 skills

Builds the infrastructure, tooling, and optimization systems that let Reddit's ML engineers train, evaluate, deploy, and serve models efficiently — improving GPU utilization, cutting infrastructure costs, and speeding up experimentation. Core stack: Python, systems languages, distributed training frameworks, and GPU/serving platforms.

230K – 322K $

New North AmericaContractSenior

Senior iOS Software Engineer, Consumer Engineering

Accessibility AI Analytics API Authentication +7 skills

Senior iOS engineer on Reddit's Consumer Engineering team building and scaling user-facing iOS experiences for content discovery, community participation, and engagement at massive scale. Day-to-day involves leading features through the full lifecycle with Swift, improving app architecture and performance, and partnering with product, design, data science, ML, and backend teams.

191K – 267K $