Company Name: Reddit Job Details: $190.8-267.1kPlus,restricted,stock,unitsKubernetesAWSGCPKafkaGoPostgresDockerScalaElasticsearchRedisAirflowCassandraSparkFlinkBigQueryDroneSpinnakerSenior,and,Expert,levelRemote,from,US Job Url: https://app.welcometothejungle.com/jobs/Jdv6PIC-?theme=take-another-look Job Description: RoleWho you areDegree in a quantitative discipline: engineering, statistics, operations research, computer science, informatics, applied mathematics, economics, etc5+ years of contributing high-quality code to production systems that operate at scale3+ years of experience building ads-serving related systems, including but not limited to ads targeting, ads ranking, ads pacingExperience building A/B testing frameworks for multiparty marketplace scenarios, e.g. food delivery service, ride sharing, ads marketplaceExperience leading large engineering teams and collaborating with cross-functional partners is required, especially with data science partnersSignificant experience in one or more backend programming languages, experience with Go or Scala is preferableSignificant experience with API development and service frameworks, e.g. Thrift and ProtobufData processing frameworks like Spark, Flink, Kafka, Druid, etcA cloud service provider like AWS or GCPTools: Kubernetes, Drone, CircleCI, Spinnaker, Argo, Airflow, DockerDatastores: ElasticSearch / Amazon OpenSearch, Redis, Postgres, Cassandra, BigQueryWhat the job involvesThe Ads Experimentation Platform (AEXP) team builds tools for our engineers and scientists to accurately test new products and efficiently verify new ideas in the ads marketplaceAds Pacing plays a crucial role in both supporting the dynamism of the marketplace and accommodating the budget-aware A/B experiments, therefore our team is also committed to building scalable and flexible pacing infrastructures that improves the market efficiency and budget-aware testing capacityAs a senior software engineer in the Ads Experimentation Platform team, you will work closely with data science partners and product leaders to improve the capacity and efficiency of existing experimentation tools, research and build new testing methodologies and tools, and lead the experimentation practices across the Ads marketplace teamsYou will collaborate with cross-functional engineering, product, and data science teams to ensure that our customers’ voices are represented in your work.Building A/B testing tools customized for Ads marketplace,Building A/B testing tools for measuring infra cost by each ad product,Building advertiser-facing tools for exploring through Reddit Ads products and optimizing for the best performances,Building scalable and reliable ad pacing platform to enable efficient experimentation and research on the control algorithms,Some of the project highlights include:An A/B testing framework that split both users and ad budgets to create parallel and mutually exclusive control/treatment sub ads marketplaces,An exploration tool that can run multiple (hundreds of) A/B testing pairs of campaigns over multiple algorithmic candidates for pacing,Partitioning the pacing and budgeting systems to accommodate the growing number of advertisers and maintain the refreshing rate above once per minute,Share this jobReport a problem with this jobHide companyView 94 more jobs at RedditInsightsTop investors57% employee growth in 12 monthsGlassdoor (3.7)CompanyCompany benefitsComprehensive health benefitsFlexible vacation & Reddit global days offFamily planning funds & 4+ months paid parental leavePersonal & professional development fundsPaid volunteer time offWorkspace & home office benefitsFunding (last 2 of 6 rounds)Aug 2021$410mSERIES FFeb 2021$250mSERIES ETotal funding: $1.2bnOur takeReddits is an online platform that hosts thousands of message board communities (known as subreddits) designed to foster authentic human connection. With more than 100,000 communities covering everything from food, entertainment, and sports to niche interests for highly specific audiences, there's virtually a space for everyone.The platform attracts over 52M daily users and more than 50B monthly page views. While these figures are smaller than those of social media giants like Facebook and X, Reddits stands out by offering easily discoverable communities where users can dive deep into virtually any topic imaginable.Today, Reddit continues to grow its user base and expand its reach, remaining a unique hub for conversation,m connection, and shared interests. With its strong community-driven model and steady revenue streams, it's most definitely positioned to stay a central part of online culture for years to come.KirstyCompany Specialist at Welcome to the Jungle