About Us: 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 Role: As a Member of Technical Staff on the Research team, you’ll push the boundaries of generative AI, advancing LLMs and multimodal systems through foundational research.

Your work will enhance model efficiency, accuracy, and scalability, directly shaping our high-performance AI infrastructure. You'll collaborate with top experts in deep learning, distributed systems, and optimization to bring cutting-edge research into real-world applications. You'll also have the opportunity to shape how some of the world’s leading companies build and deploy AI through the models and tools you help create.

Key Responsibilities

Conduct foundational research to advance the capabilities, efficiency, and reliability of LLMs and multimodal systems Design, implement, and evaluate novel model architectures, training methods, and optimization techniques Collaborate with engineering teams to transition research prototypes into production-grade systems Analyze empirical results, identify performance bottlenecks, and iterate quickly to improve model quality Contribute to internal research strategy by identifying high-impact opportunities and emerging trends in AI

Minimum Qualifications

: Research background in Artificial Intelligence, Machine Learning, Physics, or similar field Experience solving analytical problems using analytic and quantitative approaches Experience communicating research to audiences with different backgrounds Experience coding in C/C++, Python, or other similar languages

Preferred Qualifications

: PhD degree in Computer Science, Computational Physics, Mathematics, or a similar field Research and engineering experience demonstrated via grants, fellowships, patents, internships, work experience, and/or coding competitions Experience having first-authored publications at peer-reviewed conferences or journals Experience working with ML frameworks such as PyTorch, TensorFlow, or Jax Total

Compensation

for this role also includes meaningful equity in a fast-growing startup, along with a competitive salary and comprehensive

Benefits

package.

Qualifications

, experience, skills, interview performance, market data, and work location. The listed salary range is intended as a guideline and may be adjusted.

Base Pay Range (Plus Equity)

$175,000 — $240,000 USD 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. Fireworks AI is an equal-opportunity employer.

We celebrate diversity and are committed to creating an inclusive environment for all innovators.

Member of Technical Staff, Research