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83 open listings · Page 4 of 4
Roles posted by organizations here, alongside roles we found on employers’ own careers sites. Crawled roles say so on the card and send you to the employer to apply. Only show organizations on Career App
Full-time · San Francisco, CA · $217,000 – $303,900
Lead reliability engineering for Reddit's ads systems and critical user-facing infrastructure at global scale. This role suits deeply technical engineers who excel in distributed systems, thrive on complex operational challenges, and can shape reliability practices across the organization.
Listed on Reddit’s careers site · Apply there ↗
LangChain
Full-time · New York, NY · $180,000 – $240,000
You'll build backend systems for LangChain's AI observability and evaluation platform, designing services that help developers monitor and evaluate AI applications at scale. This role suits backend engineers who enjoy working on high-throughput data systems and want to shape how production AI monitoring looks in practice.
Listed on LangChain’s careers site · Apply there ↗
Full-time · Remote - United States · $230,000 – $322,000
Reddit is seeking a Staff Machine Learning Engineer to lead the development of large-scale ML systems powering recommendations, search, and content understanding across their consumer platform. This role suits experienced ML practitioners who enjoy building complex systems from research through production and want to influence product direction while mentoring other engineers.
Listed on Reddit’s careers site · Apply there ↗
LangChain
Full-time · San Francisco, CA · $175,000 – $240,000
LangChain is hiring a senior engineer to build and scale LangSmith, their observability and evaluation platform for AI agents. This role suits someone with 5+ years of fullstack experience who can lead technical direction, mentor teammates, and work across Go, Python, and TypeScript to ship features that enterprise customers depend on.
Listed on LangChain’s careers site · Apply there ↗
Remote - United States · $217,000 – $303,900
Reddit's Storage Infra team seeks a senior engineer to design and maintain caching and storage systems that handle hundreds of millions of queries per second across thousands of machines. You'll work with machine learning and search teams to scale infrastructure for Reddit's massive user base while maintaining high reliability.
Listed on Reddit’s careers site · Apply there ↗
Remote - United States · $216,700 – $303,400
Reddit is hiring a Machine Learning Engineer to design and deploy production systems powering recommendations, search, ads, and AI features across their platform. This role suits engineers with 3+ years building ML systems at scale who want to work on high-impact problems affecting millions of users.
Listed on Reddit’s careers site · Apply there ↗
Full-time · Remote - United States · $190,800 – $267,100
Reddit is hiring a Senior Backend Engineer to build the distributed systems, APIs, and data-intensive infrastructure that power their advertising platform. This role suits someone with 5+ years of backend development experience who can take ownership of features and collaborate across teams to ship products that connect advertisers with users.
Listed on Reddit’s careers site · Apply there ↗
Full-time · Remote - United States · $164,200 – $229,900
This is a mid-level backend engineering role focused on building the systems that power Reddit's advertising platform, from real-time ad delivery to campaign measurement and interactive ad features. The position suits developers with 3+ years of experience who want to grow quickly while owning substantial projects and working across microservices, distributed systems, and data-intensive infrastructure.
Listed on Reddit’s careers site · Apply there ↗