Role Description Build feature stores for online inference and model training, tools that enable machine learning engineers (MLEs) and data scientists (DSs) to improve the ML feature software development lifecycle. - Lead the building, testing, and maintenance of our ML Feature Store and Feature Engineering infrastructure at Reddit that serves 100 million+ redditors. - Work with other engineers across ML Platform and Reddit infrastructure to significantly advance the ML Platform. - Work with management on team goal setting, planning, and de-risk project execution. - Mentor other team members in adopting a rigorous DevOps approach to maintain and/or improve ML infra components and services health and quality. Full-time telecommuting is an option. Qualifications - Master’s degree (or its foreign equivalent) in Computer Science, Engineering (any field), Data Science, or closely related quantitative discipline. - Two (2) years of experience in the job offered or in any occupation in a related field. Requirements - Designing and building machine learning model serving infrastructure. - Deploy models for serving in production. - Enhancing machine learning (ML) observability of feature drift detection and model performance. - Python. - Git. - SQL or MYSQL. - Designing technology stacks. - Debugging and monitoring for production services. - Any suitable combination of education, training, and experience is acceptable. 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.

Role Description The iOS Platform team sets the technical direction for iOS at Reddit. Our customers are primarily other engineers. It’s our job to help improve developer efficiency by providing libraries/APIs/frameworks, monitoring performance, building shared components, improving build tools, etc. In the codebase, we own the core components of the app such as the networking and caching stack. We set the direction in which the codebase builds by defining which design patterns and technologies to employ at Reddit. This role will enable us to architect our iOS app to scale for the next 100M+ DAUs. They will help establish the right standards in iOS development and will help in improving the overall iOS development experience at Reddit. In addition, they will mentor senior iOS engineers across Reddit and will be seen as a go-to person for any challenges on iOS App architecture. As a Principal Engineer in the iOS Platform team, you will be responsible for designing a solid foundation for our iOS application development. You will have the company-wide scope, impact, and responsibility in shaping the future of iOS development at Reddit. You will champion the technology selection, best practices in Reddit’s iOS application development. In addition, you will act as an Architect for the iOS application at Reddit. What you’ll do - Own the architecture of Reddit’s iOS Mobile App and make it scale to the next 100M+ DAUs. - Propose ideas/solutions to reach our vision of “making Reddit’s Mobile Apps best-in-class.” - Identify the gaps in our current iOS App Architecture, and lead redesign of the iOS platform to improve modularity, performance, and quality. - Define, measure, and execute on key user-facing performance goals, specifically minimizing App Not Responding (ANR) rate, reducing app launch time (Time to Interactive/TTFF), and eliminating slow/dropped frames. - Improve observability and harden data quality for all key performance areas, including establishing reliable telemetry, monitoring, and guardrails for ANR rate, app launch time, and slow/dropped frames. - Drive a company-wide culture of performance, ensuring that every iOS engineer at Reddit has the tools and skills needed to own the performance of their product surfaces. - Mentor iOS developers across the company. - Be the go-to person for developers on complex problems in iOS development. Qualifications - Deep experience-based understanding of how to build mobile applications at scale. - Strategic thinker who thrives on developing a long-term technical foundation. - Passion for developing scalable, well-designed software that improves people’s lives globally. - 10+ years of Software development experience with at least 5+ years in designing/developing iOS applications. - Experience in influencing larger (200+ engineers) organizations on technical direction/best practices related to iOS. - Experience with modern iOS development frameworks such as Swift UI and structured Concurrency. - Experience working with cross-functional teams such as design, product, data teams to deliver great user experiences. - Bachelor's degree or higher in Computer Science or a related field, or equivalent technical expertise. 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.

• Teach the following courses and learning modules: Linux Essentials, LPIC-1 Linux Administrator (including exam preparation) • Learning module "Provisioning networks and services" • Learning module "Deploying service daemons and automating administrative tasks" • Learning module "Ensuring operation and security of networked systems"

• Build a film crew marketplace connecting production teams with talent globally. • Implement 'Go to set' features enabling real-time crew coordination and logistics. • Develop AI-powered features leveraging multiple generative models (OpenAI, Fal.ai, Nano Banana 2, Seedance). • Create full-stack features with React frontend, Node.js backend, and MongoDB. • Deliver MVP-state features shipped in hours, not weeks — fast iteration, high autonomy.