Together AI

Machine Learning Engineer - Inference

Together AI · San Francisco, CA
San Francisco, CA $160K–$230K Posted 2026-06-15
Salary
$160K–$230K
Type
Full-time
Experience
3+ yr
About the Role Together AI is seeking a Machine Learning Engineer to join our Inference Engine team, focusing on optimizing and enhancing the performance of our AI inference systems. This role involves working with state-of-the-art large language models models and ensuring they run efficiently and effectively at scale. If you are passionate about AI inference, PyTorch, and developing high-performance systems, we want to hear from you. This position offers the chance to collaborate closely with AI researchers and engineers to create cutting-edge AI solutions. Join us in shaping the future at Together AI! Responsibilities • Design and build the production systems that power the Together AI inference engine, enabling reliability and performance at scale. • Develop and optimize runtime inference services for large-scale AI applications. • Collaborate with researchers, engineers, product managers, and designers to bring new features and research capabilities to the world. • Conduct design and code reviews to ensure high standards of quality. • Create services, tools, and developer documentation to support the inference engine. • Implement robust and fault-tolerant systems for data ingestion and processing. Requirements • 3+ years of experience writing high-performance, well-tested, production-quality code. • Proficiency with Python and PyTorch. • Demonstrated experience in building high performance libraries and tooling. • Excellent understanding of low-level operating systems concepts including multi-threading, memory management, networking, storage, performance, and scale. • Preferred: Knowledge of existing AI inference systems such as TGI, vLLM, TensorRT-LLM, Optimum • Preferred: Knowledge of AI inference techniques such as speculative decoding. • Preferred: Knowledge of CUDA/Triton programming. • Nice to have: Knowledge of Rust, Cython and compilers. About Together AI Together AI is a research-driven artificial intelligence company. We believe open and transparent AI systems will drive innovation and create the best outcomes for society. Together, we are on a mission to significantly lower the cost of modern AI systems by co-designing software, hardware, algorithms, and models. We have contributed to leading open-source research, models, and datasets to advance the frontier of AI. Our team has been behind technological advancements such as FlashAttention, Hyena, FlexGen, and RedPajama. We invite you to join a passionate group of researchers and engineers in our journey to build the next-generation AI infrastructure. Compensation We offer competitive compensation, startup equity, health insurance, and other competitive benefits. The US base salary range for this full-time position is $160,000 - $230,000 + equity + benefits. Our salary ranges are determined by location, level, and role. Individual compensation will be determined by experience, skills, and job-related knowledge. Equal Opportunity Together AI is an Equal Opportunity Employer and is proud to offer equal employment opportunities to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and more. Please see our privacy policy at https://www.together.ai/privacy
PyTorchPythonLLMRust
$110K — 10th pctl $280K — 90th pctl
This role’s midpoint $195K vs. market median $210K for Data & ML roles
~median
market rate
Based on 0+ Data & ML roles with disclosed salary ranges tracked on NewJob.
F
Director of Tax
San Francisco, CA
Finance
$259K–$310K
E
Director, Data Center Operations
San Francisco, CA
Engineering
$250K–$300K
E
Staff Engineer, Distributed Storage and HPC & AI Infrastructure
San Francisco, CA
Engineering
$250K–$300K
See all 50+ roles at Together AI →
S
AI Tech Lead - Staff Machine Learning Engineer
Sumologic United States
Data & ML
D
Machine Learning Engineer
Dashlane Paris, France Hybrid
Data & ML
D
Staff Machine Learning Engineer, CustomerLake
Databricks New York, NY
Data & ML
$192K–$260K
P
Machine Learning Engineer - (Payment Risk/Fraud) - Embedded Insights
Plaid San Francisco, CA Hybrid
Data & ML
$211K–$272K
See all Data & ML roles →

Interested in this role?

Apply directly on the company site — no recruiter middleman, no account required.

Apply now →
Apply on company site