At Fireworks, we’re building the future of generative AI infrastructure. Our platform delivers the highest-quality models with the fastest and most scalable inference in the industry. We’ve been independently benchmarked as the leader in LLM inference speed and are driving cutting-edge innovation through projects like our own function calling and multimodal models. Fireworks is a Series C company valued at $4 billion and backed by top investors including Benchmark, Sequoia, Lightspeed, Index, and Evantic. We’re an ambitious, collaborative team of builders, founded by veterans of Meta PyTorch and Google Vertex AI.
The Applied Researcher role is designed for engineers who love working across ML, systems, and real-world products, and thrive on working directly with customers to bring advanced models into production.
As an Applied Researcher, you will sit at the intersection of ML research, systems engineering, and customer-facing problem solving. You’ll work hands-on with customers and customer data to tune, evaluate and deploy models using various techniques such as SFT / DPO / RL, to help customers build competitive models using their unique data tailored to their unique products.
You will be the technical bridge between customer needs, customer data, and our tuning and serving infrastructure, helping shape the future of applied AI.
Fireworks AI is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all innovators.
Shape the Future of Generative AI At Fireworks AI, we’re building the infrastructure that powers the next generation of AI applications. From real-time inference to model optimization, our platform empowers developers and enterprises to deploy, scale, and innovate with cutting-edge AI—faster and smarter than ever before. Why Fireworks AI? Solve Hard Problems: Tackle challenges at the forefront of AI infrastructure, from low-latency inference to scalable model serving. Build What’s Next: Work with bleeding-edge technology that impacts how businesses and developers harness AI globally. Ownership & Impact: Join a fast-growing, passionate team where your work directly shapes the future of AI—no bureaucracy, just results. Learn from the Best: Collaborate with world-class engineers and AI researchers who thrive on curiosity and innovation. We’re seeking builders, tinkerers, and visionaries who: 🚀 Push boundaries in AI/ML infrastructure, distributed systems, or high-performance computing. 💡 Think creatively to solve problems others deem impossible. 🤝 Collaborate fearlessly in a fast-paced, no-ego environment. 🌍 Care deeply about democratizing AI and making it accessible, scalable, ...
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