Join to apply for the Software Engineer - Post-training Data role at Magic . Get AI-powered advice on this job and more exclusive features. Magic’s mission is to build safe AGI that accelerates humanity’s progress on the world’s most important problems. We believe the most promising path to safe AGI lies in automating research and code generation to improve models and solve alignment more reliably than humans can alone. Our approach combines frontier-scale pre-training, domain-specific RL, ultra-long context, and inference-time compute to achieve this goal. About the role: As a Software Engineer working on our post-training data infrastructure, you will write efficient and robust data pipelines and collaborate with research and Applied teams to devise strategies for gathering and maintaining specific, diverse datasets at scale. What you might work on: Develop creative ways to obtain post-training datasets teaching the model targeted capabilities. Develop creative ways to reliably generate synthetic datasets. Iterate on filtering and scoring heuristics for a post-training dataset. Contribute to our data infrastructure by implementing, maintaining, and testing data pipelines serving workloads across scales from gigabytes to hundreds of petabytes. What we’re looking for: Extreme attention to detail and commitment to data quality. Ability to write reliable, well-tested code and quickly learn new tools, programming languages, or frameworks needed for the job. Versatility in end-to-end data pipelines, from scraping to processing. High intellectual agility and grit to tackle tough challenges. Magic values quick learning and grit, alongside skill and experience. We strive to be a place where high-potential individuals can do their best work. Our culture: Integrity: Words and actions should be aligned. Hands-on: Everyone is building at Magic. Teamwork: We move as one team, not N individuals. Focus: Safely deploy AGI; everything else is noise. Quality: Magic should feel like magic. Compensation, benefits, and perks (US): Annual salary range: $100K - $550K. Equity is a significant part of total compensation, in addition to salary. 401(k) plan with 6% salary matching. Generous health, dental, and vision insurance for you and your dependents. Unlimited paid time off. Visa sponsorship and relocation stipend to SF, if possible. A small, fast-paced, highly focused team. Additional details: Seniority level: Entry level. Employment type: Full-time. Job function: Engineering and Information Technology. Industries: Software Development. Referrals increase your chances of interviewing at Magic by 2x. Get notified about new Software Engineer jobs in San Francisco, CA . #J-18808-Ljbffr Magic
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