Senior engineering role within Reddit's Security, Privacy, Assurance, and Corporate Engineering (SPACE) org focusing on Identity & Access Management. Responsibilities include building and operating core IAM platforms and API integrations, improving observability, supporting compliance and audits, troubleshooting production incidents, and mentoring cross-functional teams. Requires 10+ years backend experience and familiarity with IAM tools/protocols (e.g., Okta, SailPoint, OAuth/OIDC/SAML) and technologies such as Go, Python, Java, TypeScript, Postgres, Docker, Kubernetes, and AWS.

Senior MLE (IC4) role on Reddit's Ads Optimization team responsible for designing and implementing optimization algorithms for auctions, bidding strategies, and budget pacing; owning end-to-end systems from problem formulation through production deployment and experimentation. Requires strong ML and software engineering experience with scalable data processing and real-time/low-latency systems.

Staff Software Engineer responsible for defining strategy and leading technical architecture for global media processing and delivery (video and audio). Responsibilities include designing scalable low-latency, high-availability media pipelines, distributed transcoding, CDN routing, integrating AI/ML for recommendation and moderation, setting SLOs/SLAs, and mentoring multiple engineering teams. Requires 8+ years of professional software engineering experience and proven experience with large-scale distributed systems, microservices, and cross-functional technical leadership.

Remote US-based Senior Software Engineer for Reddit’s Presence org working on Reddit Pro and Youth Experience. Responsibilities include full development cycle (design, development, test, experimentation, launch), API design and backend development for large-scale distributed systems, mentoring, code review, and cross-functional collaboration. Required: 5+ years professional software development experience and experience with distributed systems and languages such as Go, Python, Ruby, Java, or C++.

Work on Reddit's Core Platform to develop and scale API projects and media delivery systems. Requires 5+ years working with large-scale distributed systems, experience in Golang or Python, familiarity with API platform architectures, and expertise in optimizing media performance, scalability, and availability. Role includes mentoring junior engineers and operating services at high scale.

Work on Reddit's Core Platform designing, building, and operating API and media services that scale to hundreds of thousands of transactions per second with high availability. Responsibilities include developing scalable platform APIs, optimizing media delivery performance, and mentoring junior engineers. Requires software development experience in Golang or Python and 5+ years working on large-scale distributed systems.

Join Reddit's Core Platform team to design, build, and operate API services that scale to hundreds of thousands of transactions per second. The role requires 5+ years of experience with large-scale distributed systems, proficiency in Golang or Python, familiarity with API platform architectures, and expertise in media delivery and performance optimization. This is a remote position for US-based candidates; the posting includes a US base salary range.

Join Reddit's Core Platform team to design, build, and operate platform APIs that scale to hundreds of thousands of transactions per second. Role requires 5+ years working on large-scale distributed systems, experience in Golang or Python, familiarity with API service architectures, media delivery optimization, and mentoring junior engineers. Position located in San Francisco; base salary range $190,800–$267,100 USD per year.

Join Reddit's Core Platform team to design, build, and operate large-scale API services (Golang/Python) that serve hundreds of millions of users. Role requires 5+ years working on mission-critical distributed systems, experience with API/platform architectures, media delivery optimization, and mentoring junior engineers.

Join Reddit’s ML Efficiency team to design and build systems, tooling, and optimization for ML training, evaluation, deployment, and operation at scale. Work areas include distributed training and serving, GPU and resource utilization, profiling and benchmarking, data pipelines, performance dashboards, and cross-functional initiatives to reduce costs and accelerate experimentation. Role requires strong software engineering experience (5+ years), Python proficiency, and systems-language experience and knowledge of ML infrastructure and performance engineering.

Join Reddit's ML Efficiency team to design and build systems, tooling, and optimizations that improve ML training and inference efficiency at scale. Responsibilities include improving GPU and resource utilization, developing profiling/debugging tools, optimizing distributed training and serving, building benchmarking frameworks and dashboards, and leading cross-functional initiatives. Requires BS/MS/PhD in CS or related field, 5+ years of software engineering experience, strong Python proficiency, and experience with distributed systems and ML infrastructure.

Join Reddit's ML Ranking Platform to design, implement, and maintain large-scale, performant ML ranking and recommendation systems that power personalized feeds, search, and other products. Requires 5+ years building distributed, data-intensive ML systems; experience with Go, Python, C++, cloud production environments, ML monitoring, deployment/automation, and recommendation systems is preferred.

Join Reddit’s Data Movement team to build and maintain the Data Movement Platform that enables batch and streaming data processing used for ML and analytics. Responsibilities include refining data infrastructure, owning platform components for Spark, Flink, and Airflow, automating self-service data workflows, and supporting monitoring/on-call to improve reliability and efficiency. Requires 2+ years software engineering experience; proficient in object-oriented languages (Python, Scala, Go, or Java).

Senior engineering role owning technical strategy and execution for Reddit's Ads Business Manager platform. Requires 7+ years building production services at scale, deep backend expertise (Go/Python), experience with distributed/event-driven systems (Kafka, Pub/Sub), API/service frameworks, and prior Tech Lead experience. Responsibilities include leading cross-functional projects, mentoring engineers, shaping identity/permission systems, and driving adoption across teams.

Senior technical role (7+ years) on Reddit's Onboarding team owning backend architecture for signal collection, personalization pipelines, and experimentation infrastructure. Responsibilities include partnering with Product, Design, and Data Science, driving instrumentation and A/B testing, collaborating with relevance/feeds/notifications teams, and advocating for reliability, scalability, and engineering excellence.

Lead design and implementation of reusable UI components and backend systems for Reddit's build and deployment platform. Work spans frontend and backend (component-based frameworks like React/Lit), CI/CD and progressive delivery tooling (Buildkite, GitHub Actions, Argo, Kayenta), Kubernetes and cloud platforms (AWS, GCP), and developer experience—including user interviews, on-call rotation, and platform reliability.

Work on Reddit's Notifications team to design, implement and maintain backend services (notifications and email) and high-quality frontend features. Responsibilities include full development lifecycle (design docs, development, testing, experimentation, analysis, launch) and collaborating with Product, ML, and Data Science. Tech stack examples: TypeScript, GraphQL, Go, Python, Kafka, BigQuery, Kubernetes. Requires 3+ years software engineering experience and familiarity with testing, resiliency, and live operations. Remote role listed as Remote - United States. Salary range $164,000–$229,000 USD.

Lead the design and implementation of a modular, easy-to-integrate iOS video player and collaborate with backend/CDN teams to optimize global media delivery and performance. Work cross-functionally with product and design, set engineering standards, and mentor other engineers. Requires 8+ years building user-facing native iOS applications with Swift and deep knowledge of AVFoundation, Core Media, Core Video, streaming protocols (HLS, MPEG-DASH, MP4), and CDN integration. Role is remote (United States) and listed with a base salary range of $217,000–$303,000 USD.

Lead architecture and performance efforts for Reddit's iOS app: define architecture and best practices, improve modularity and scalability, set and measure performance goals (ANR, app launch time/TTI/TTFF, dropped frames), improve observability/telemetry, and mentor iOS engineers across the company. Requires 10+ years software development experience with at least 5+ years designing/developing iOS applications.

Reddit is hiring a Staff Product Security Engineer to lead design and delivery of secure frameworks, paved paths, and workflow-native controls (including for AI-assisted development) to prevent vulnerabilities before production. Responsibilities include building guardrails and library-level controls, driving product security reviews, and improving vulnerability discovery and remediation pipelines. Requirements include 8+ years in software engineering/product/application security (with at least 2 years at staff scope), proficiency in one or more languages (Go, Python, JS/TS), and experience with CI/CD, developer-facing platforms, and vulnerability management. Base salary range (US): $217,000–$303,900 USD/year.