Senior Software Engineer, Core Platform

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. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com. Reddit has a flexible workforce! If you happen to live close to one of our physical office locations our doors are open for you to come into the office as often as you'd like. Don't live near one of our offices? No worries: You can apply to work remotely in any country in which we have a physical presence The Compute Platform team is seeking a Senior Software Engineer to work at the intersection of infrastructure and software development. As one of the world’s busiest websites, our platform is central to Reddit’s operations, focusing on high-level orchestration for multi-cloud deployments and intra-cluster challenges. You will build the APIs, controllers, and SDKs that automate the lifecycle of our global fleet, while simultaneously solving for performance, resource packing, and hardware management (including GPUs) across various cloud providers. We operate as a team of generalists; you will be expected to handle software development, system design, and operational support. Your work will directly impact hundreds of millions of users by improving the availability and efficiency of the foundational platform that runs all of Reddit. RESPONSIBILITIES: * Design and deliver software solutions in Go to improve the availability, scalability, and latency of Reddit’s compute infrastructure. * Develop Kubernetes controllers and operators to automate cluster management, workload scheduling, and the reconciliation of complex system states. * Build core tooling and SDKs that codify network configurations, managed services, and compute capacity tracking across a multi-region fleet. * Optimize intra-cluster performance by developing reactive schedulers and detecting node-level characteristics to inform availability. * Collaborate across the organization to provide technical feedback and automate critical development workflows and infrastructure operations. * Participate in an on-call rotation (approximately one week every 8-9 weeks) to ensure the stability of our global scale systems. REQUIRED QUALIFICATIONS: * 4+ years of experience developing internet-scale software with a heavy focus on infrastructure and distributed systems. * Proficient in Go with a proven track record of building and managing Kubernetes services at scale. * An expert in Linux internals, including a solid understanding of multi-tenancy primitives like cgroups and namespaces. * A contributor to the open-source community, ideally within the infrastructure or CNCF domain. * A self-starter capable of troubleshooting complex, cross-system issues and managing large projects independently. * An excellent communicator who thrives in a collaborative, service-oriented environment. BENEFITS: * Comprehensive Healthcare Benefits and Income Replacement Programs * 401k with Employer Match * Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support * Family Planning Support * Gender-Affirming Care * Mental Health & Coaching Benefits * Flexible Vacation & Paid Volunteer Time Off * Generous Paid Parental Leave  #LI-remote Pay Transparency: This job posting may span more than one career level. In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/. To provide greater transparency to candidates, we share base salary ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below. The base salary range for this position is: $190,800—$267,100 USD In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews. During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable.  We will not sell your personal information or disclose it to any third party for their marketing purposes.  We will delete any recording of your interview promptly after making a hiring decision.  For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors. Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve.  Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.

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. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com. Location: This role is completely remote-friendly. If you happen to live close to one of our physical office locations, our doors are open for you to come into the office as often as you'd like.  Who We Are GraphQL is Reddit's first-party API layer, providing client access to Reddit's rich dataset and driving the next generation of user experiences. GraphQL provides product engineers across Reddit clear interfaces, a powerful and flexible execution engine, and world-class developer ergonomics. Our team's mission is to develop the next generation of foundational GraphQL infrastructure, scale our solutions to support hundreds of millions of users, and build intuitive tools for contributors to create and expand GraphQL schema. Some of our present and future challenges include: * Driving adoption of our Golang-based federated GraphQL architecture. * Deploying GraphQL to operate concurrently across global datacenters. * Expanding our developer tooling to enable elegant schema contributions. * Building deep observability to coordinate GraphQL requests efficiently across Reddit's architecture. * Tuning our stack for latency, resilience, and scale. What you'll do * Work collaboratively with a team of software engineers to create and maintain the foundational platform for Reddit's GraphQL infrastructure. * Design, build, and deliver solutions to improve GraphQL's functionality, scalability, and efficiency. * Investigate and tune the operation of our platform operating at massive scale. * Contribute feedback to the technical and strategic direction of the GraphQL platform. * Guide and support fellow engineers within the team as a mentor and leader. * Share on-call responsibilities with the GraphQL team. Who you might be * 5+ years of experience designing and developing large-scale distributed backend systems. * Proficiency in one or more general purpose programming languages (preferably Go). * Experience identifying and driving high impact projects that align with the company's strategy. * Capability with essential cloud infrastructure (Kubernetes, CI/CD, AWS, GCP). * High empathy and excellent communication skills to collaborate across the organization. * Specific GraphQL backend experience is a plus. * Experience structuring and implementing complex data models is a plus Benefits: * Comprehensive Healthcare Benefits and Income Replacement Programs * 401k with Employer Match * Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support * Family Planning Support * Gender-Affirming Care * Mental Health & Coaching Benefits * Flexible Vacation & Paid Volunteer Time Off * Generous Paid Parental Leave       #LI-remote Pay Transparency: This job posting may span more than one career level. In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/. To provide greater transparency to candidates, we share base salary ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below. The base salary range for this position is: $190,800—$267,100 USD In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews. During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable.  We will not sell your personal information or disclose it to any third party for their marketing purposes.  We will delete any recording of your interview promptly after making a hiring decision.  For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors. Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve.  Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.