Reddit

Spearhead the integration of cutting-edge AI capabilities into Reddit's Developer Platform. Build and maintain integrations leading AI IDE tools, including Cursor, Bolt.new, and Firebase Studio. Work with leading foundation models like OpenAI & Gemini. Fine-tune and adapt AI models, integrating them with Reddit systems to solve unique problems. Develop our toolchain for agentic development. Engage directly with community for feedback.

Use engineering, collaboration, and leadership skills to deliver a performant experience to millions of Redditors, and lead the architectural decision-making of Reddit’s Android engineering organization. Collaborate cross-functionally to innovate and replace internal frameworks and tooling to help Reddit’s feature teams write performant code without a second thought; this is a critical role.

Lead the integration of cutting-edge AI into Reddit's Developer Platform and build integrations for AI IDE tools like Cursor and Bolt.new. You will work with foundation models, fine-tune AI models, and develop a toolchain for agentic development, engaging with developers to drive adoption and gather feedback.

This role involves leading end-to-end Ads initiatives, driving architectural decisions, mentoring peers, and tackling complex technical challenges in enhancing Reddit’s advertising platform with privacy-enhancing technologies and probabilistic user matching. You will be working with engineers, product managers, data scientists, and ads specialists.

As a Software Engineer, Security Partner, you will build and maintain strong relationships with internal and external partners to ensure the security and integrity of our systems and data. This role requires a blend of technical expertise, business acumen, and exceptional communication skills. You will be a trusted advisor, identifying security risks and developing mitigation strategies.

Lead the design and evolution of Reddit’s Data Pipeline to support scale and growth. Drive high-impact projects aligned with Reddit’s engineering and business goals. Build a high-performing team, mentor engineers, and establish best practices for data production and governance. Ensure pipeline reliability and collaborate with teams like Ads and ML.

As a Staff Backend Engineer on the Ads Creative Management team, you will build tools that make it easier for advertisers to create relevant, effective, visually pleasing ads on Reddit. The ideal candidate will leverage their knowledge of asset storage and management, AI/LLMs, and scaling services to develop world-class tooling and innovate on the behalf of our advertising partners.

Lead our Reddit Conversion Lift (RCL) product, driving major improvements in Casal Inference/ML methodology, reliability and scalability. Identify opportunities to enhance ad measurement capabilities by diving deep into our platform and understanding the needs of our advertisers. Design, implement, and maintain high-reliability experimentation systems.

The Data Warehouse Platform team is looking to hire a Staff software Engineer who is excited to solve large scale data platform and efficiency challenges. As a staff engineer, you will work within and across teams to create and improve scalable, fault tolerant, self-serve systems. You will also create and execute a strategy to ensure a high level of end-to-end data quality and help shape the data culture across all of Reddit!

Focused on driving user growth, engagement, and retention across Reddit, this role shapes the architecture and strategic direction. As a Senior Backend engineer on the Growth - Onboarding team, you will write clean code, drive strategic initiatives, and leverage data to identify opportunities for improvement. You'll also participate in design reviews, contribute to architectural decisions, and mentor junior engineers.

Investigate user behavior and needs using qualitative and quantitative methods to guide executive decision-making, focusing on the international experience. Design and conduct foundational and evaluative research to improve the user experience for new and future users of Reddit around the world. The ideal candidate will leverage their research skills to drive product strategy.

As a member of the Compute Reliability and Efficiency team, you’ll be solving some of the world’s largest at-scale infrastructure problems using software we create along with integrating services from the cloud native ecosystem. Your work will directly impact hundreds of millions of users around the world. You will work collaboratively with a team of software engineers to create and maintain the foundational platform for running Reddit’s infrastructure. You will also design, write (Golang), and deliver software to improve the availability, scalability, latency, and efficiency of Reddit’s Compute Platform.

Oversee the vision and lead the charge of our ML Feature Platform Team. Architect, implement, and maintain foundational ML infrastructure used to compute, store, and retrieve features powering Feeds Ranking, Content Understanding, Recommendations, Ads, and much more. Lead the design and development of a cutting-edge feature store optimized for low-latency online inference at scale.

Lead and grow the Ads Retrieval team, combining deep ML technical expertise, people leadership, and strategic vision to build retrieval solutions that scale with Reddit’s growth and complexity. You’ll oversee the development of models and infrastructure that directly impact revenue, user satisfaction, and advertiser outcomes.You’ll play a foundational role in the success of Reddit’s Ads business, leading the team that powers relevance and performance at scale.

You will lead projects from concept, design, implementation, to rollout, ensuring the highest quality and performance. You will identify opportunities to enhance ranking capabilities by diving deep into our platform and understanding the needs of our customers. You will design and develop applied machine learning models for modeled personalization, game taxonomy, and more, from ideation to production deployment.

This is a high-impact role for someone with machine learning expertise and leadership skills to manage people and projects. The Engagement Modeling Team builds and maintains machine learning models that predict and optimize user engagement with ads. You will define the technical vision for engagement modeling, aligning ML solutions with Reddit’s product and business objectives.

The Developer Platform team helps developers build powerful interactive experiences that take their communities to the next level. You will own projects from ideation to production instead of being stuck making small incremental gains on enterprise systems, working with a cross-functional team to solve hard problems. As a Senior Backend Engineer, you'll contribute to the full development cycle and mentor junior engineers, balancing speed with quality while building brand-new products.

As a Lead HRBP, you’ll support senior executives and their teams, acting as a trusted advisor on complex org-wide challenges spanning performance, talent development, org design, change management, and culture. You will regularly consult with senior-level leaders, influence cross-functional decisions, and create scalable solutions that drive high-impact outcomes. This role will be aligned with Reddit’s Sales organization and will report directly to our Senior Director HRBP, Revenue.