antimetal - Research Engineer

• 4+ years of experience in applied ML, research engineering, preferably at a company shipping production AI systems • Production experience contributing to agentic/LLM systems, including multi-step reasoning, reinforcement learning, fine-tuning, and orchestration. • Proven experience bringing work from prototype to production, using data and experimentation to drive product and architectural decisions • Strong on ML fundamentals: statistical modeling, probabilistic methods, time-series analysis, evaluation methodology. • Real world expertise in one area of applied ML: search, statistical modeling, NLP, etc. • Experience constructing and running end-to-end evaluation pipelines with real world data. • Proficient in Python and Typescript, with experience using common ML libraries and data engineering tools. • Strong problem-solving skills, with a focus on creating highly maintainable, scalable code. • Comfortable with ambiguity and iterative development, prototyping, and adapting quickly to feedback. • Exposure to interpretability, robustness, or AI safety research. • Experience with multimodal models (text + images, logs, or other data types). • Track record of contributions to ML research (open-source repos, papers, workshops). • Strong foundations in statistics, optimization, or experimental design. • Experience deploying research models into production environments. • Identify as a builder. • Are excited to work in-person from our new and spacious office in New York. • Love working in a startup environment (experience in a startup or obsession with going zero-to-one). • Enjoy working with people who are ambitious, caring, and think in systems. • Thrive in a fast-paced iterative environment where experimentation is essential. • Pay & ownership — Competitive salary with generous equity grants. • Full coverage + retirement — Fully covered health, dental, and vision, plus retirement benefits. • Unlimited PTO — Take the time you need to recharge. • Dinner on late nights — Working late? Dinner is on us. • Fitness stipend — Monthly support for your health and wellness. • Tools of the trade — Any equipment you need to do your best work. • Commute perks — Citi Bike + train benefits.