Senior engineer role within Reddit's SPACE org focused on IAM: modernizing identity infrastructure, building integrations (SCIM, SAML), implementing authentication protocols (OAuth/OIDC), improving observability, supporting compliance/audits, and operating production identity systems. Requires 10+ years backend experience and proficiency with languages such as Go, Python, Java, or TypeScript; tools include Postgres, Docker, Kubernetes, AWS, Okta, and SailPoint.

Work on auction, bidding, pacing, budget allocation and marketplace-quality systems for Reddit Ads, owning projects end-to-end from formulation through production and experimentation. Requires 3+ years (IC3) or ~5+ years (IC4) building and operating production ML systems; strong software engineering and experience with data processing (Spark, Kafka, BigQuery, Airflow) and low-latency decision systems.

Staff Software Engineer responsible for designing and evolving global media processing and delivery infrastructure (video/audio ingestion, distributed transcoding, CDN routing), defining SLOs/SLAs, integrating AI/ML capabilities (recommendation, moderation, GenAI inference), and mentoring multiple engineering teams. Requires 8+ years of professional software engineering experience and distributed systems expertise.

Senior FP&A leader responsible for partnering with Engineering to own forecasts, annual operating plans, P&Ls, cloud cost reporting (AWS/GCP), financial modeling, ROI and productivity analysis, and managing a small finance team. Requires 13+ years FP&A experience, cloud cost analysis experience, and prior investment banking or consulting background.

Remote (United States) Senior Software Engineer for Reddit’s Presence org. Work across product, design, and engineering to design, build, test, and launch backend services and APIs. Requires experience with large-scale distributed systems, languages such as Go/Python/Java/C++, GraphQL/REST, distributed caching, and storage systems like Cassandra. Role includes code reviews, design docs, mentoring, and cross-functional collaboration. Base salary range listed: $190,000–$267,000 USD/year.

Senior technical role on the Safety and Moderation organization building moderation tooling. Responsibilities include driving technical and product strategy, full development cycle (design, implementation, test, experimentation, analysis, launch), reviewing code and design docs, leading and mentoring engineers, and working cross-functionally with product and design. Requires 8+ years' software development experience and practical experience with Go, Python, Rust, or Ruby and API technologies such as GraphQL, REST, gRPC, or Thrift. Remote-friendly within the United States.

The role supports Reddit's Large Customer Sales channel by building and governing semantic models, ETL workflows and data pipelines in BigQuery and developing dashboards (e.g., Looker). Responsibilities include translating insights into action, automating recurring reporting, and partnering with Data Science and Salesforce teams to maintain revenue data foundations. Requires a bachelor's degree, 4+ years relevant experience, and 3+ years of SQL and dashboard development experience; remote within commuting distance of NYC, Chicago, SF, or LA.

Join Reddit's Core Platform team in New York City as a Senior Software Engineer to design, build, operate, and scale API services (media and core features) with a focus on high availability, performance, and scalability. Requires 5+ years working on large-scale distributed systems and software development experience in Golang or Python; responsibilities include mentoring junior engineers. Base salary range (US): $190,800–$267,100 USD per year.

Work on Reddit’s Core Platform to design, build, and operate high-throughput API services (hundreds of thousands of transactions/sec) with focus on media delivery, performance, scalability, and high availability. Role expects 5+ years experience with large-scale distributed systems and software development in Golang or Python; includes mentoring responsibilities.

Join Reddit’s Core Platform team to design, build, operate, and scale API platform services that power listings, posts, comments and media. Role requires 5+ years working on large-scale mission-critical distributed systems, experience in Golang or Python, media delivery expertise, and mentoring junior engineers. Position is remote (United States); base salary range $190,800–$267,100 USD per year.

Join Reddit's Core Platform team to design, build, and operate high-throughput API and media delivery services. Requires 5+ years working on large-scale distributed systems, experience in Golang or Python, familiarity with API/platform architectures, and a focus on scalability, performance, and high availability. Role includes mentoring junior engineers.

Work on Reddit's Core Platform to develop and scale API projects and media delivery systems that serve hundreds of millions of users. Responsibilities include designing solutions for scale, building and operating services with very high availability, optimizing media performance, and mentoring junior engineers. Requires 5+ years working on large-scale, mission-critical distributed systems and experience in Golang or Python.

Role on the Ads ML Platform team to design and build scalable data infrastructure, feature management, and training-set generation systems (batch and real-time). Responsibilities include feature governance (lineage, validation, drift detection, monitoring), integration with ML workflows, and operational excellence. Requires 3+ years in data infrastructure/platform or ML infrastructure and experience with distributed data/compute systems such as Spark, Kafka, Airflow, Kubernetes, BigQuery, or similar.

Hiring a Machine Learning Systems Engineer for Reddit's Ads ML Platform to design and build large-scale feature and training-set infrastructure, develop batch and real-time feature frameworks, implement feature governance (lineage, validation, drift detection, anomaly monitoring, reproducibility, versioning), and improve observability, reliability and cost. Requires 3+ years in data/platform or ML infrastructure and experience with distributed systems such as Spark, Flink, Kafka, Ray, Airflow, Kubernetes or BigQuery.

Role to build and operate ML platform tooling including offline experimentation systems, training orchestration, experiment tracking, model registries, metadata/lineage, automated promotion/rollback workflows, and an agentic AI execution platform. Requires experience in large-scale distributed systems and production ML infrastructure (5+ years), with hands-on experience in ML platform tooling and orchestration technologies.

Experienced engineer responsible for technical partnership and integrations for Reddit Ads. Acts as a trusted technical advisor and solutions architect for strategic partners, designs and prototypes proof-of-concept integrations (in Reddit or partner codebases), leads onboarding/testing, troubleshoots complex integrations, and influences product and platform priorities. Requires 5+ years software development and hands-on experience with backend/API development (examples: Python, Java, JavaScript/Node.js), REST APIs, OAuth2/OpenID Connect and SDK patterns.

Reddit seeks an Engineering Manager for a new Ads ML Efficiency function to hire and lead ML/systems engineers, define technical roadmap for training and inference optimization, build profiling/benchmarking/load-testing/observability tooling, and partner with ranking and platform teams to reduce training time, latency, and serving cost. Preferred experience includes ML engineering close to models, GPU training/serving, PyTorch and distributed training, and production ads or recommender systems.

Role on Reddit’s KarmaLab partnering with Sales and cross-functional teams to build creative strategies and campaign concepts for Finance advertisers, lead pitches, RFPs, workshops, and client storytelling. Requires 4+ years in advertising/media/social/PR or creative strategy and strong presentation and client communication skills.

Senior SRE role leading reliability initiatives across Reddit's Ads systems (ad serving, auctions, targeting, reporting, measurement, billing). Responsibilities include architecture reviews, building platforms and automation, incident leadership, establishing reliability metrics and SLOs, and mentoring engineers. Requires 8+ years supporting large-scale distributed, high-traffic production environments.

Senior SRE role on the Ads Reliability team responsible for leading reliability initiatives across ad-serving, auctions, targeting, reporting, measurement, and billing. Requires 8+ years experience with large-scale distributed systems, observability, SLOs, automation, programming (Go/Python), Kubernetes/cloud-native architectures, and participating in on-call and incident investigations.