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Member of Technical Staff, LLM Infrastructure

Join Fireworks AI as a Software Engineer to design and build scalable infrastructure for generative AI systems.

Location
San Mateo
Compensation
Not disclosed
Level
mid
Type
full time

Posted by employer 11 months ago

First seen on Joblaze 3 months ago

Last verified on the company career page 6 hours ago

AI in the day-to-day

Engineers will help build infrastructure and tools that ensure the reliability, performance, quality, and availability of our AI system.

Requirements

Experience
3–5 years
Education
Bachelor's degree

Not disclosed in this posting: compensation, work arrangement, visa sponsorship.

Joblaze summary

In this role, the Software Engineer will focus on designing and developing the backend infrastructure that supports Fireworks AI's generative AI platform, ensuring its reliability and performance. Key skills include strong programming in Python or Go and experience with machine learning infrastructure tools like PyTorch and Kubernetes. This position is ideal for candidates with at least three years of experience in software engineering, particularly those with a background in infrastructure or machine learning systems. Fireworks AI offers a dynamic environment where engineers can tackle complex challenges and collaborate with leading experts in the field.

Joblaze insights

  • Listed about 3 months ago — first seen on Joblaze July 22, 2026. Last confirmed on Fireworks AI's careers page October 28, 2026.
  • Python appears in 47.7% of 821 comparable mid ai/ml roles; Vertex AI appears in 0.1% of 821 comparable mid ai/ml roles.

Quick facts

How much experience is required?
3–5 years of relevant experience for this Member of Technical Staff, LLM Infrastructure role.
What's the tech stack?
Joblaze extracted these technologies from the posting: Go, Kubernetes, MLflow, PyTorch, Python, Sagemaker.
What seniority level is this role?
Fireworks AI targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Member of Technical Staff, LLM Infrastructure role at Fireworks AI.

From the original posting

The Role:

As a Software Engineer on our AI Infrastructure team, you will help design the core systems that power Fireworks AI’s generative AI platform. You will help build infrastructure and tools that ensure the reliability, performance, quality, and availability of our AI system. 

Our mission is to make Fireworks AI the most reliable and user friendly generative AI platform in the world. You will partner closely with our cloud infrastructure team, product team, and performance team to deliver infrastructure that bridges the gap between our customer and the ultra-performant proprietary Fireworks inference engine. 

Key Responsibilities:

  • Contribute to the design and development of scalable backend infrastructure that supports distributed training, inference, and data pipelines

  • Build and maintain core backend services such as LLM CI/CD pipeline, control plane, and model serving systems

  • Support performance optimization, cost efficiency, and reliability improvements across compute, storage, and networking layers

  • Building frameworks and safeguards to ensure Fireworks AI has the best model quality in the industry

  • Collaborate with performance, training, and product teams to translate research and product needs into infrastructure solutions

  • Participate in code reviews, technical discussions, and continuous integration and deployment processes

Minimum Qualifications:

  • Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience)

  • 3 years of experience in software engineering, with a focus on infrastructure or machine learning systems

  • Strong programming skills in Python, Go, or a similar language

  • Proven experience in ML infrastructure and tooling (e.g., PyTorch, MLflow, Vertex AI, SageMaker, Kubernetes, etc.).

  • Basic understanding of LLM knowledge (e.g., context length, disaggregated prefill, KV cache memory estimation, etc) 

Preferred Qualifications:

  • 5+ years of experience in software engineering, with a focus on infrastructure or machine learning systems

  •  Experience with open source inference engine like vLLM, Sglang, or TRT-LLM

  •  Contributions to open-source infrastructure or ML projects

  •  Experience in building large scale ML/MLOps infrastructure

Why Fireworks?

  • Solve Hard Problems: Tackle challenges at the forefront of AI infrastructure, from low-latency inference to scalable model serving.

Standard company text repeated across Fireworks AI's postings is omitted here.