Member of Technical Staff, Evals & Post-Training Product

ABOUT US: Fireworks is the platform for specialized intelligence, enabling companies to build, train, and serve AI models tailored to their own data, workflows, and products. Founded by the team behind PyTorch and backed by AMD, Atreides, Benchmark Capital, Index Ventures, Lightspeed, NVIDIA, Sequoia Capital, and TCV, Fireworks powers production AI with hundreds of state-of-the-art open models across text, image, embedding, audio, and multimodal workloads. Today, Fireworks is a Series D company valued at $17.5 billion, bringing together an ambitious, collaborative team that's building the future of enterprise AI. We are seeking a Member of Technical Staff, Evals & Post-Training Product to help define how developers improve models on Fireworks. This role sits at a unique intersection of scalable system design, deep data science, and model quality. You will build the infrastructure and workflows that connect evaluation and post-training. Our evaluation setup has grown past its original scope, and we need someone who can take it to the next stage, improving programmatic access and scale. You will work across backend systems, sandbox infrastructure, and user-facing surfaces to make it ... Click Apply to read the full job description.