Join Reddit's Site Defense team within Infrastructure to design, build, and operate ingress-level defenses across CDN, edge, and internal layers. Responsibilities include real-time detection, scoring, and mitigation of malicious traffic, collaborating with Security and Safety teams, contributing to ML-at-Ingress initiatives, owning services end-to-end, and participating in incident response. Requires 7+ years experience with production distributed systems and proficiency in one or more general-purpose languages (Python, Go, Rust, Java, C++); strong networking fundamentals are expected.

Own channel strategy and end-to-end campaign execution for Reddit moderator lifecycle programs, building email campaigns in HubSpot and push/on-platform campaigns, improving segmentation/automation/data capabilities, designing experiments (A/B tests), and partnering with Product, Engineering, and Data Science. Requires 7+ years in lifecycle/email/growth/marketing technology and hands-on experience with campaign execution.

Senior product manager role on Reddit's Ads Formats & Experience team responsible for strategy and execution for lower-funnel ad formats, browser/post-click optimizations, and foundational format signals. Collaborates with engineering, UX, data science, and product marketing, and partners with consumer product teams. Requires 6+ years product management experience in ads monetization and a track record of launching ads/product optimizations. Remote (United States) role with U.S. salary range provided.

Join the Ads Reliability team to improve reliability, scalability, and operational excellence for Reddit's advertising platform. Responsibilities include designing and maintaining infrastructure and automation, improving observability, participating in on-call rotations and incident response, driving SRE best practices (SLIs/SLOs/error budgets), and scaling systems to support advertiser-critical journeys. Requires 5+ years of SRE or related experience and strong software engineering skills (experience with Go noted).

Lead measurement, detection, and enforcement strategy for ads fraud at Reddit: define taxonomies and metrics, analyze large behavioral datasets, and build scalable detection/enforcement pipelines (features, models, rules, scoring, feedback loops). Requires an M.S. + 4+ years or Ph.D. + 2+ years of industry data science experience and fluency with Python, SQL, statistical analysis, fraud-detection methods, and production ML systems; experience with LLMs, graph analysis, and streaming/batch pipelines is valued.

Work on backend architecture and APIs powering capture, editing, and publishing of video and image content. Collaborate cross-functionally to design, implement, test, and launch scalable media processing pipelines and services; mentor junior engineers and contribute to developer workflows.

Senior Staff ML Systems Engineer responsible for architecture and technical strategy across feature platforms, training-data systems, offline experimentation, and ML development workflows. Role requires partnering with Ads, ML Platform, Data Platform and engineering teams, mentoring senior engineers, and shipping platform abstractions to speed and harden ML development. Requires 8+ years in infrastructure/distributed systems and 4+ years building or operating production ML infrastructure; mentions experience with Spark, Flink, Kafka, Ray, Airflow, Iceberg, Kubernetes, BigQuery, Snowflake, or Databricks.

Remote (U.S.) Staff Software Engineer role focusing on media infrastructure: designing and implementing systems to ingest, process, store, and deliver video and audio at scale. Requires extensive software development experience (7+ years), strong distributed systems background, familiarity with video streaming protocols and compression, and experience with media tools like FFmpeg and GPAC. Involves cross-functional collaboration, API design, performance optimization, and mentoring.

Lead Reddit’s worldwide IP strategy and litigation posture; oversee global IP portfolio; advise on copyright, trademark, patent, and trade secret matters; collaborate with engineering, product, legal teams and outside counsel. Requires JD, active US state bar license, and 10+ years as an IP litigator with experience in patent litigation, licensing, and portfolio development (preferably with AI/ML, web, social, or mobile technologies).

Contract Senior Growth Manager supporting Reddit’s International Community team. Responsibilities include identifying growth opportunities, designing and running experiments to improve content supply, community engagement, discovery and retention, translating successful experiments into repeatable playbooks, monitoring metrics (DAU, contribution, community health, retention), and partnering with Product, Data Science, Marketing and Community teams. Role is open to candidates based in the UK or the US (East Coast). Required: 7+ years in user growth/product operations/market expansion, Excel modeling, working knowledge of SQL, strong communication and stakeholder-management skills.

Join Reddit's International Growth team to build and scale local French communities and moderator networks. Responsibilities include market research, iterating and scaling the consumer growth playbook, recruiting and educating moderators, implementing conversion funnels to onboard power users and creators, analyzing quantitative and qualitative data to set KPIs, and working cross-functionally with Product, Community, Engineering, Marketing, Safety, and BD. Role is contract-based and open to candidates based in the UK or Ireland.

Join Reddit's Content Platform team to design, write, and deliver backend services (primarily Go, with some Python) that power core content experiences (feed, posting, commenting, voting). The role involves improving availability, scalability, latency, and efficiency, diving into both Go services and Reddit's monolith Python stack, sharing on-call duties, and collaborating with cross-functional teams. Requires 3+ years of software engineering experience and familiarity with databases (Cassandra, Postgres, Redis) and cloud infrastructure (Kubernetes, AWS/GCP).

Remote (United States) Staff Software Engineer on Reddit's Observability team. Work spans monitoring, logging, and distributed tracing at scale (Prometheus, Thanos, Grafana, Vector, ClickHouse, OpenTelemetry, Loki). Responsibilities include building and improving availability, scalability, latency, automation, contributing upstream to open source, and sharing on-call duties. Requires 7+ years developing internet-scale software and experience with distributed systems and Kubernetes. Posted base salary range: $217,000–$303,900 USD/year.

Join Reddit's Compliance Engineering team to adapt platforms for evolving privacy, security, and regulatory requirements. Responsibilities include partnering with product/design/engineering, owning product areas end-to-end (design, coding, testing, experimentation, launch), leading cross-functional initiatives, and mentoring engineers. Technologies referenced: Go, Python, Postgres, Redis, Thrift, GraphQL; deployments to Docker/k8s on AWS. Role expects tech lead experience and designing complex distributed systems under high load.

Lead technical design and execution for Reddit's Video Ads and custom ad formats on Android. Drive full development lifecycle from discovery and prototyping to testing, experimentation, and deployment; establish Android best practices; mentor senior engineers; and collaborate with Product and Design. Requires 8+ years software engineering experience, deep Kotlin/Android expertise (3+ years), experience in Ad Tech or interactive rich-media mobile experiences, and familiarity with experimentation and data tools (e.g., BigQuery, Firebase, HEX). Role is remote (United States).

Senior Data Scientist role on Reddit's Data Science team to drive product strategy through experimentation (A/B testing), causal and observational analyses, metrics/KPI design, and self-serve data tooling. Requires an advanced quantitative degree (MS or PhD) with industry experience (MS: 5+ years; PhD: 4+ years), strong SQL and Python/R skills, and experience communicating results to technical and non-technical stakeholders. US-based, remote-friendly with optional office locations listed.

Lead and grow a team of ML engineers to define technical vision and deliver large-scale production ML solutions (including transformer/sequence/LLM models) for feed relevance and media ranking. Partner cross-functionally, maintain operational excellence, and drive hiring and team development. Requires 5+ years leading ML teams.

Remote (United States) Senior Staff ML Engineer role at Reddit to lead development of GenAI-powered recommendations and core feed ranking architectures. Responsibilities include setting technical direction across Relevance and Feeds teams, delivering high-impact initiatives, and mentoring senior engineers. Qualifications require 10+ years industry experience in relevance/recommendation and large-scale ML systems. Base salary range provided: $266,000–$372,400 USD per year.

Owner of Catalogs & Applied PKG across paid and organic Shopping at Reddit. Responsibilities include improving catalog onboarding and diagnostics, building merchant-center foundations, LLM-based catalog enrichment and catalog-driven ad features, scaling catalogs for large retailers/marketplaces, and leading Shopify and other integrations. Requires 5+ years PM experience and domain experience in AdTech/retail media/marketplaces or e-commerce, plus AI/ML fluency.

Strategic, hands-on Principal UX Engineer role on Reddit's Ads Design & Research team. Build production-adjacent prototypes, reusable systems and tools, and AI-native workflows; partner with Design, Product, Engineering, and Data Science to influence product direction and raise interaction, accessibility, and performance standards. US-remote; base salary range $245,800–$344,100 USD/year.