Software Engineer, Backend Infrastructure

Fireworks.ai

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Bay Area or New York Until 8/22/2026 H-1B sponsor history First posted March 21, 2025 Last posted March 21, 2025
Job description

About Us:

Here at Fireworks, we’re building the future of generative AI infrastructure. Fireworks offers the generative AI platform with the highest-quality models and the fastest, most scalable inference. We’ve been independently benchmarked to have the fastest LLM inference and have been getting great traction with innovative research projects, like our own function calling and multi-modal models. Fireworks is funded by top investors, like Benchmark and Sequoia, and we’re an ambitious, fun team composed primarily of veterans from Pytorch and Google Vertex AI.

The Role:

As a Backend Software Engineer, you’ll be responsible for designing and developing the core backend systems that power Fireworks AI’s high-performance generative AI platform. Your work will focus on ensuring efficiency, scalability, and stability in handling AI workloads.

Key Responsibilities:

  • Design and build core backend software components, ensuring efficiency, scalability, and stability of system resources

  • Conduct design/code reviews and collaborate with cross-functional teams

  • Continuously analyze and optimize infrastructure efficiency for AI workloads (compute, storage, networking)

Minimum qualifications:

  • Bachelor’s degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience

  • 3+ years experience working in ML infra (PyTorch, Vertex AI, Sagemaker, etc.)

  • Experience building, scaling, and optimizing enterprise-grade Machine Learning systems

Preferred qualifications:

  • Experience in AI or large scale infrastructure

  • Master’s or PhD degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience

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.

About this role

Summary

Design and develop core backend systems for generative AI platform.

Job title

Software Engineer, Backend Infrastructure

Experience level

3+ years

Industry

software

Location requirements

Bay Area or New York; remote work not mentioned

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

bachelor's degree3+ yearsML infrapytorchvertex AIsagemakerenterprise-grade machine learning

Preferred skills

AIlarge scale infrastructuremaster's degreephd

Specializations

backendinfrastructuremachine learningAI
Locations

Structured locations inferred from the posting.

Unknown location

On-site

New York, USA

On-site State