Reddit, Inc.

Machine Learning Engineer

• Build the pipelines and low-latency services behind one of the largest personalized feeds on the internet
• Turn modeling ideas into production systems, wire up new features and ranking signals, and design experiments that let us ship with confidence
• Write efficient, scalable and maintainable code that will help consistently deliver highly personalized experiences to Reddit users
• Design and implement components of our recommender systems to adapt to user signals and optimize for long term user satisfaction; potentially including user targeting and segmentation, candidate retrieval, reinforcement learning, feature engineering, and prediction models
• Follow data-driven design principles to develop hypotheses, test them via well designed experiments, and analyze the results to learn and iterate
• Champion and drive engineering processes and best practices
• Collaborate across disciplines and with other ML teams at Reddit to find technical solutions to complex challenges

Senior Machine Learning Engineer, Feed Relevance

Full-stack Engineer

• Lead Ads Infrastructure Excellence team as technical leader for Reddit Ads infrastructure
• Create and maintain foundational components for Reddit Ads infrastructure
• Deliver software to improve reliability, scalability, and efficiency of Reddit Ads services
• Lead large-scale initiatives (e.g., infra re-architecture to enable Ads serving from multiple regions and cloud providers)
• Develop and support dev, testing, and pre-production environments for Ads services
• Identify gaps and lead strategic investments across Ads infrastructure
• Work cross-functionally with Ads engineering and product teams to achieve objectives
• Model technical curiosity, deep ownership, high standards, and mentor engineers
• Partner with Engineering manager and leaders to drive the team’s long-term roadmap

Staff Engineer, Ads Development Infrastructure

Data Engineer

• Lead development of data pipelines and workflow for large scale ML models at Reddit.
• Design and implement scalable and secure data processing pipelines and storage environments that prepare our source of truth datasets for our models.
• Ensure data is cleansed, mapped, transformed, and otherwise optimized for storage and use according to business and technical requirements.
• Build effective data pipelines and workflows to streamline data ingestion, processing, and distribution tasks.
• Setting up and operating data workflow management tools for SQL code versioning, dependency tracing, etc
• Load transformed data into storage and reporting structures in destinations including data warehouse, reporting systems and analytics applications.
• Monitor and troubleshoot issues with the data environment to maintain high availability and performance.
• Support monitoring and observability across training datasets, model metrics and implement diagnostic tools for metric movements.
• Maintain effective documentation regarding data procedures, systems, and architectures to maintain clarity and enable easy collaboration.

Senior Data Engineer, ML Platform

Engineering Manager

• Build Reddit’s Advanced Measurement platform focused on experimentation-based ads measurement (Brand Lift, Conversion Lift, Split Testing, Experimentation Platform)
• Define and evolve strategy, architecture, and standards to scale Lift and experimentation products
• Own the roadmap and delivery for your team; prioritize work, coach individual contributors and tech leads, and foster autonomy
• Partner with Data Science, Marketing Science, Design, Product Marketing, and Product Management to deliver products
• Partner with Recruiting to define hiring needs, write job descriptions, source, interview, and hire a diverse, high-performing team
• Set clear goals, craft growth plans, mentor engineers and managers, and create leadership opportunities
• Establish processes and tooling to improve reliability, performance, and product quality; ensure product requirements, customer needs, and SLAs are met
• Serve as a thought partner to Product and company leadership; influence prioritization and communicate team status, trade-offs, and mitigations

Senior Engineering Manager – Ads Advanced Measurement, Lift Studies

• Set and lead the technical vision for designing highly robust, scalable, reliable and performant ranking systems that power personalized feeds at Reddit scale
• Design and implement the next generation backend ML systems that power the personalized feeds on Reddit
• Work closely with ML engineers to design and implement scalable interfaces
• Explore new technologies that help grow our ML systems capabilities
• Champion and drive engineering processes and best practices
• Write efficient, scalable and maintainable code that will help us iterate quickly and safely
• Mentor and guide senior and mid-level ML engineers, fostering a culture of excellence, innovation, and knowledge sharing
• Drive technical discussions, present findings to leadership, and contribute to long-term ML planning and decision-making
• Partner with Engineering, Product, UX Research, and Product Design teams to push the boundaries of what's possible with these powerful language models

Staff Software Engineer, ML Ranking Platform

Product Manager

• Reddit is a community of communities with 100,000+ active communities and ~101M+ daily active unique visitors.
• Team: Join Reddit Ads SMB team building 0->1 products to make Reddit a destination for businesses of all sizes.
• Product Strategy: Set vision, goals and strategy based on qualitative and quantitative customer data.
• Bias for action: Drive execution, define long-term roadmap and quarterly OKRs, manage launches and iterate on performance.
• Data-driven decisions: Use analytics and customer feedback to identify pain points and make trade-offs backed by clear decisioning.
• Cross-functional collaboration: Partner with engineering, data science, UX, marketing and sales to ensure alignment.
• Communication: Present regularly across functions and to C-level executives as a senior product leader.

Staff Product Manager, SMB Activation

Engineer

• Reddit's Ads Business Engineering team delivers technical expertise and solutions that empower technology partners, agencies, and advertisers to seamlessly integrate with Reddit’s advertising platform.
• The Staff-level role combines deep technical consulting with hands-on engineering to guide strategic integrations across Reddit’s stack and partner environments.
• You’ll work across engineering, product, sales, and business development to connect Reddit’s capabilities to evolving market needs.
• Responsibilities include acting as trusted advisor, designing proofs of concept, architecting multi-system integrations, leading onboarding and testing, and shaping go-to-market strategies.
• You’ll define reusable technical patterns, documentation, and tooling to improve developer experience and support escalations for complex integrations.
• Reddit is proud to be an equal opportunity employer and provides accommodations for qualified individuals with disabilities during the interview process.

Staff Business Engineer - Ads

General Counsel

• Reddit is a community of communities; it’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet.
• Reddit is looking for an experienced, tech-forward commercial lawyer who loves negotiating contracts to join our team!
• In this role, you’ll be responsible for overseeing and negotiating a broad scope of inbound agreements that enable Reddit to operate effectively (e.g., SAAS, cloud, professional services, real estate, insurance, marketing).
• An ideal candidate would have 5-10 years of broad experience directly negotiating vendor agreements and collaborating with internal stakeholders, preferably at an online UGC platform or other tech company.
• What You’ll Do: Serve as a strategic and pragmatic legal partner to our procurement, finance, IT, Ads, Measurement and other internal teams as they plan and execute their roadmaps.
• Draft, review, and negotiate a wide variety of inbound commercial agreements, ensuring favorable and compliant terms for Reddit.
• Provide practical and creative legal advice on risks, complex agreement structures, and company policies.
• Effectively collaborate with business leaders, cross-functional teams, and legal colleagues to solve problems and close deals quickly while protecting Reddit.
• Help build and improve commercial processes, such as playbooks and workflows, to increase efficiency and support Reddit’s rapid growth.
• Manage and prioritize a high volume of agreements, with a focus on technology & services: MSAs, SOWs, SaaS, Cloud; corporate operations: leases, staffing agency agreements, employee benefits, office events; vendor & audit: audits with major firms and legal tech; ads: measurement agreements and ads partnerships.
• What We’re Looking For: 5-10 years of commercial legal experience, broad exposure to inbound commercial contracts; someone who loves negotiating contracts in a fast-paced environment; superior negotiating, drafting, analytical, organizational, and problem-solving skills; a “getting to yes” approach; strong soft skills; love for process and scale; team-oriented; JD and a current license in a state bar in the United States.

Senior Counsel, Commercial

Sales

• Reddit is looking for a strategic and results-oriented Global Director of SMB Sales to define and lead the global vision, strategy, and execution for our SMB advertiser segment. This key leadership role will be responsible for driving performance, scalability, and operational excellence across our global outsourced sales partner ecosystem, which includes hundreds of vendor-based sales reps and support roles spanning North America and EMEA.
• Reporting into our VP Global Mid-Market + SMB, this role will oversee regional Sales Directors, influence cross-functional priorities, and represent the voice of the SMB advertiser internally. The ideal candidate is a proven leader in scaling global SMB sales operations, has deep experience managing outsourced partner relationships, and thrives in fast-paced, matrixed environments.
• Location: This role is required to be based near one of our sales hubs. It’s ideal for this leader to be based onsite with our SMB vendor teams in Lisbon, Portugal or Salt Lake City, Utah. We are also open to candidates who can work in person from our offices in London, New York, San Francisco, or Los Angeles.
• What You’ll Do: Own the global strategy and execution for Reddit’s SMB sales segment, including growth targets, vendor performance, budget allocation, and market expansion. Build and refine scalable workflows, enablement programs, and performance frameworks that ensure consistent execution and high ROI across all markets.
• Qualifications: 10+ years of experience in sales, business operations, or sales strategy roles, with at least 5 years managing global or multi-region sales organizations. Demonstrated success scaling outsourced SMB sales operations, with direct experience overseeing vendor teams and international market expansion. Deep understanding of the SMB advertiser ecosystem and the sales motions required to drive acquisition and retention at scale.
• Benefits: Comprehensive Healthcare Benefits and Income Replacement Programs; 401k Match; Family Planning Support; Gender-Affirming Care; Mental Health & Coaching Benefits; Flexible Vacation & Reddit Global Days Off; Generous paid Parental Leave; Paid Volunteer time off

Senior Director, Global SMB Sales

• Reddit is looking for a strategic and results-oriented Global Director of SMB Sales to define and lead the global vision, strategy, and execution for our SMB advertiser segment. This key leadership role will be responsible for driving performance, scalability, and operational excellence across our global outsourced sales partner ecosystem, which includes hundreds of vendor-based sales reps and support roles spanning North America and EMEA.
• Reporting into our VP Global Mid-Market + SMB, this role will oversee regional Sales Directors, influence cross-functional priorities, and represent the voice of the SMB advertiser internally. The ideal candidate is a proven leader in scaling global SMB sales operations, has deep experience managing outsourced partner relationships, and thrives in fast-paced, matrixed environments.
• Location: This role is required to be based near one of our sales hubs. It’s ideal for this leader to be based onsite with our SMB vendor teams in Lisbon, Portugal or Salt Lake City, Utah. We are also open to candidates who can work in person from our offices in London, New York, San Francisco, or Los Angeles.
• What You’ll Do:
• Own the global strategy and execution for Reddit’s SMB sales segment, including growth targets, vendor performance, budget allocation, and market expansion
• Lead a globally distributed team of regional SMB Sales Directors, Vendor Performance Managers and cross-functional program leads
• Oversee a network of partner-managed vendor teams across key global hubs (e.g., Utah, Lisbon, and Sydney) encompassing 350+ sales reps, managers, and support staff
• Build and refine scalable workflows, enablement programs, and performance frameworks that ensure consistent execution and high ROI across all markets
• Partner with Marketing, Sales Operations, and Product to align funnel generation, lead qualification, and conversion strategies tailored to the SMB audience
• Serve as the internal champion for SMB advertisers, advocating for their needs and surfacing insights to improve product-market fit and service delivery
• Establish and lead regular global business reviews with internal and partner leadership to track progress, identify gaps, and adjust course as needed
• Ensure operational excellence in outsourced execution including adherence to SLAs, CRM hygiene, pipeline management, and campaign effectiveness
• Qualifications:
• 10+ years of experience in sales, business operations, or sales strategy roles, with at least 5 years managing global or multi-region sales organizations
• Demonstrated success scaling outsourced SMB sales operations, with direct experience overseeing vendor teams and international market expansion
• Deep understanding of the SMB advertiser ecosystem and the sales motions required to drive acquisition and retention at scale
• Excellent communication, influence, and executive presentation skills; able to represent the SMB business internally to senior leadership
• Strong financial and analytical acumen; experienced in managing Opex budgets and optimizing for ROI
• Proficient in performance dashboards, forecasting, and tooling (e.g., Salesforce, Looker, Outreach)
• Proven ability to drive alignment across matrixed functions including Marketing, Product, Sales Ops, and Enablement

• We’re seeking a talented and experienced Full-Stack Engineer to join our team. You’ll be a key contributor to building and enhancing our products, developing features from end to end, and ensuring our systems are scalable, reliable, and user-friendly.
• Responsibilities include Design, develop, and maintain full-stack applications and services; Work collaboratively with product managers, designers, and other engineers to deliver high-quality products; Implement robust data pipelines and scalable workflows to handle large volumes of data; Develop internal tools and dashboards to enable cross-functional teams to manage and monitor their workflows; Build and maintain web-based user interfaces and APIs; Ensure the performance, security, and scalability of our systems.
• Team Descriptions: Attribution & Identity; Ad Formats.

Senior Full Stack Engineer, Ads

• Join the Ads team as a Machine Learning Engineer and become a key contributor to Reddit’s business. In this hands-on role, you will be responsible for the full lifecycle of our ML systems, from initial research and modeling to deployment and optimization in production. Your work will directly impact how we deliver relevant ads and drive value for our advertisers across areas like ad ranking, bidding, measurement, and optimization.
• Design, build, and deploy industrial-level machine learning models to solve critical problems in ad ranking, bidding, and optimization.
• Take full ownership of the ML lifecycle, from ideation and research to building scalable serving systems and maintaining models in production.
• Perform systematic feature engineering to transform raw, diverse data into high-quality features that drive model performance.
• Work closely with product managers, data scientists, and engineers to translate business challenges into effective ML solutions.
• Improve the reliability and stability of our ML systems by building robust monitoring, alerting, and automated retraining pipelines.
• Research new algorithms, stay up-to-date with state-of-the-art ML techniques, and contribute to the team’s strategy and roadmap.

Machine Learning Engineer, Ads

• Reddit is a community of communities; it’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Reddit has a flexible workforce and remote work options; you can apply to work remotely in any country in which Reddit has a physical presence.\n• Reddit Ads encompasses teams like Ads ML Serving, Attribution & Identity, Ads Measurement Modeling, Ads Targeting & Retrieval, Advertiser Optimization, Ads Marketplace Quality, App Ads and Conversion Modeling, Ads Prediction.\n• Role: Machine Learning Engineer on the Ads team, responsible for the full lifecycle of ML systems from research to production.\n• Responsibilities: design, build, deploy ML models for ad ranking, bidding, and optimization; own ML lifecycle; feature engineering; cross-functional collaboration; monitoring and retraining pipelines; research new algorithms.\n• Required Qualifications: 3+ years of experience; programming in Python/Scala; TensorFlow or PyTorch; cross-functional collaboration; KPI-driven ML impact.\n• Pay Transparency: base pay range $216,700–$303,400 USD; comprehensive benefits.\n• Reddit’s mission: empower communities and deliver relevant ads while respecting privacy and compliance.