Senior engineer on Reddit's Core Platform team building and scaling high-throughput APIs and media services. Requires 5+ years with large-scale distributed systems, Golang or Python, and media delivery expertise.

Senior engineer on Reddit's Core Platform team building and scaling high-throughput APIs and media services. Requires 5+ years with large-scale distributed systems, Golang or Python experience, and media delivery expertise.

Lead a team of ML and systems engineers focused on model optimization, training/inference efficiency, and tooling for Ads ML at Reddit. Drive measurable wins in training time, latency, cost, and launch readiness while partnering with ranking and platform teams.

Senior frontend engineer building and scaling high-traffic feed experiences on Reddit's web platform. Owns full project lifecycle from design through launch while mentoring engineers and driving metrics-led execution.

Build and improve large-scale ML models for personalization and recommendation across Pinterest surfaces including Shopping. Requires 5+ years applying ML methods and experience with big data pipelines.

Build and maintain data infrastructure processing petabytes of data. Own end-to-end projects for data ingestion, transformation, and serving systems. Requires 3+ years of software engineering experience.

Operate and scale a cloud-native CTV advertising platform on AWS and Kubernetes. Focus on reliability, GitOps workflows, infrastructure automation, observability, and incident response.

Data Scientist driving marketing measurement and optimization at Pinterest. Builds statistical/ML models, attribution frameworks, and causal analyses to quantify ROI and guide revenue strategy.

SDET II responsible for owning quality across web platform UI, APIs, and backend services. Requires 2+ years QA experience, strong manual and automated testing skills with Playwright/Cypress and API tools, plus JavaScript/TypeScript proficiency.

Lead product design for Discord's Developer Platform, creating tools and experiences for game studios and players. Partner with cross-functional teams to drive UX from concept through launch.

Backend engineer building advertiser-facing products, distributed ad-serving systems, interactive ad experiences, campaign measurement platforms, and supporting infrastructure. Requires at least three years of software development experience and proficiency in a general-purpose programming language.

Senior backend engineer building microservices, APIs, and real-time data systems for Reddit's advertising platform. Requires 5+ years experience in Go, Python, Scala or similar languages.

Lead a team of Client Partners and Client Account Managers selling Reddit advertising to major Entertainment brands and agencies. Drive revenue growth, develop talent, and partner cross-functionally to exceed targets.

Full-stack engineer building consumer-facing features at Pinterest. Requires 2+ years experience, proficiency in JavaScript/React and backend technologies, and a CS degree or equivalent.

Build and scale Android features for Pinterest's consumer app. Partner with product, design, and backend teams from ideation through release. Requires 5+ years of Android experience in Kotlin/Java.

Own SEO product development and strategy to drive top-of-funnel user acquisition. Lead technical SEO initiatives at scale and partner with engineering and analytics teams.

Staff AI Engineer building and deploying production AI agents, data pipelines, and ML features for a platform serving 70M+ users. Requires 6+ years experience with AI engineering, MLOps, and data-intensive systems.

Build and scale iOS features for Pinterest's consumer app. Partner with product, design, and backend teams to deliver high-quality, maintainable code and drive new product initiatives.

Lead and mentor a machine learning team building engagement prediction models for Reddit Ads. Define technical vision, drive model development from ideation to production, and collaborate with PMs and data scientists.

Lead cross-engineering strategic programs for Pinterest's compute infrastructure. Drive planning, execution, and governance of multi-year platform initiatives with engineering, product, and security teams.

Principal Engineer setting technical vision and building AI/ML infrastructure for Generative AI and Recommender Systems at Pinterest, scaling to hundreds of millions of inferences per second. Requires deep expertise in distributed systems and proven cross-org technical leadership.

Staff IC full-stack engineer to set technical direction for a small team building a React Native + Node/Go social app on the open AT Protocol. Requires 10+ years experience, deep React/React Native expertise, and daily use of agentic AI coding tools.

Build and fine-tune vision-centric VLMs and generative models using Pinterest's visual-text datasets. Requires 2+ years industry computer vision experience and an M.S. or Ph.D.

Staff Data Scientist driving ads product strategy and data-driven decision-making at Pinterest. Partners with product, engineering, and finance teams to translate business questions into analytical solutions and maintain data quality.

Build and scale Android features for Pinterest's consumer app. Partner with product, design, and backend teams to deliver high-quality mobile experiences used by millions.

Staff Product Designer on the Design Innovation team evolving Pinterest's design language and crafting intuitive, high-craft experiences across surfaces, including AI-powered features. Requires 8+ years of product design experience and strong systems thinking.

Build and prototype diffusion-based text-to-image generative models (Pinterest Canvas) using large-scale visual-text datasets. Requires 5+ years industry computer vision experience and an M.S. or Ph.D.

Lead product vision and roadmap for scaled abuse prevention at Discord, covering fake accounts, ATO, and scraping. Drive cross-functional execution with ML, security, and product teams to protect users.

Staff-level engineer leading design and development of Pinterest’s exabyte-scale data lake storage platform using Iceberg and related big data technologies to support ML/AI workloads.

Lead product vision and execution for Pinterest’s mission-critical billing systems, evolving transaction processing, expanding capabilities, and designing delightful internal and external interfaces.

Senior full-stack engineer to lead design and development of the web UI and backend for Reddit's build and deployment platform, enabling safe CI/CD and progressive delivery across a global cloud ecosystem.

As a Staff Software Engineer on the Onboarding team, you will define and accelerate the backend architecture for new user experiences, focusing on signal collection, personalization pipelines, and experimentation infrastructure. You will foster a growth engineering mindset and scale impact through collaborative engineering.

As a Senior Data Scientist on the Trust team, you will protect the integrity of Linktree's platform by applying data science and statistical modeling expertise to measure harm, assess risk, and improve detection and mitigation systems. You will define core Trust metric frameworks and evaluate ML and LLM-based safety systems.

As a Senior Staff Machine Learning Engineer, you will design and build large-scale, end-to-end recommendation systems for Reddit's Notifications Relevance team. You will leverage machine learning and LLMs to deliver personalized content to users, driving growth and user engagement.

Discord is seeking a Software Engineer to build and operate large-scale, reliable, and performant distributed systems. This role involves collaborating with product teams, managing infrastructure, and ensuring the platform's overall reliability and performance.

As a Senior Client Account Manager for the Pharma vertical, you will collaborate with Client Partners to manage and deepen relationships with advertising partners, execute campaigns, and drive revenue growth. You will also educate brands and agencies on Reddit's value proposition and best practices.

Lead the technical roadmap for Pinterest's performance marketing platform, driving hands-on engineering for attribution, bidding, budget optimization, and campaign management systems. Design and evolve the measurement stack, automate bidding strategies, and collaborate with cross-functional teams to identify growth opportunities.

As a Staff Technical Product Manager for the Ads ML Platform, you will define the vision and roadmap for Reddit’s Ads ML platform, focusing on cutting-edge technologies like Generative AI. You will accelerate velocity for ML Engineers and Data Scientists by building products and tooling, and drive execution and adoption of platform initiatives.

As a Senior Staff Data Scientist, you will be the go-to expert on experimentation methodology for Reddit's Consumer team, tackling complex challenges like network effects and influencing product strategy through rigorous experimental design and analysis.

Lead and grow two engineering teams focused on safety backend, classification systems, and internal tooling. Drive automation roadmap with ML and ensure engineering quality.

As Head of Data, you will lead the data function end-to-end, shaping strategy, building data pipelines, and driving product and business decisions. You will also build and lead a small, high-leverage team, pushing the boundaries of AI tooling.

Senior backend engineer to own and scale enforcement infrastructure processing millions of safety decisions daily. Requires 4+ years experience building distributed systems in Python on GCP with PostgreSQL, Redis, and gRPC.

Lead an engineering team building consumer-facing product areas and supporting systems at Pinterest. Drive execution, partner cross-functionally, and coach engineers while leveraging data and AI.

Staff Software Engineer building and scaling Pinterest's observability platform (metrics, logs, traces) for massive distributed systems. Requires 7+ years distributed systems experience, strong data engineering skills, and expertise with modern observability tools.

Leads community growth and moderator engagement for Reddit’s French market, using local cultural expertise, data analysis, and cross-functional programs. Requires 5+ years of relevant experience, English proficiency, and residence in the UK or Ireland.

Build and ship production-grade AI agents and experiences that help creators personalize, automate, and grow. Requires strong product engineering skills, hands-on LLM/agent experience, and rigorous evaluation practices.

Own product strategy for Pinterest's ML platform powering content safety model training, evaluation, deployment, and measurement. Lead ML Signal Management and lifecycle infrastructure in partnership with ML engineering and data science teams.

Senior engineer acting as technical advisor and solutions architect for strategic ad partners. Owns end-to-end technical integrations with Reddit’s Ads APIs, prototyping solutions and influencing product roadmaps.

Full-stack engineer on the Notifications team designing and scaling backend services and frontend features for Reddit's notification system impacting hundreds of millions of users. Requires 3+ years experience with Go, Python, TypeScript, GraphQL, and modern web/backend tech.

Lead company-wide performance improvement programs across mobile, web, and infrastructure platforms. Partner with engineering leaders to drive measurable, durable changes in speed, reliability, and user experience quality.