> Markdown version of [/jobs/ext/4625170-senior-staff-machine-learning-engineer](https://www.wearedevelopers.com/jobs/ext/4625170-senior-staff-machine-learning-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Staff Machine Learning Engineer

- **Company:** SCOWTT INC.
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Salary:** $220,000.0 - $280,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Python (Programming Language), Machine Learning, Tensorflow, Azure Machine Learning, Secure Coding, Software Engineering, Pytorch, Transfer Learning, Large Language Models, Information Technology, Machine Learning Operations, GPT, Recurrent Neural Networks
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25196_9f19c1c36b9798d9baee849458044d23

## About the Role

Must Have

 * Bachelor's degree in Computer Science, ML, Data Science, or equivalent
 * 10+ years of experience in software product development
 * 6-10 years of experience in applied machine learning and production ML systems
 * 6-10 years of experience in deploying and operating ML models at scale
 * 6-10 years of experience and strong hands-on skills with Python and modern ML frameworks (PyTorch, TensorFlow)

Should Have

 * Experience designing models for prediction, ranking, recommendation, or personalization
 * Strong understanding of LLM fine-tuning techniques and production usage
 * Ability to operate across research, experimentation, and high-scale production systems
 * Proven ability to influence technical direction through architecture and execution

Nice to Have

 * Experience with transformer-based sequence models or multimodal architectures
 * Familiarity with ad-tech, mar-tech, sales-tech, or CRM ecosystems
 * Experience building ML platforms, experimentation systems, or MLOps tooling
 * Experience leading multi-quarter ML initiatives

## Description

We are looking for a Senior Staff Machine Learning Engineer to lead and evolve the ML systems that power our Marketing AI and AI Sales Agents., * Design and evolve next-generation conversion and value prediction models using behavioral, CRM, and engagement data

 * Fine-tune and specialize LLMs (e.g., SFT, LoRA, PEFT) to power AI Sales Agents focused on reasoning, persona alignment, and long-term conversion outcomes
 * Drive high-speed feedback loops between ML systems and ad platforms
 * Design systems for continuous training, monitoring, and rapid experimentation
 * Solve systemic ML problems around data quality, drift, reliability, and velocity
 * Mentor senior ML engineers and raise the organization's ML bar
 * Follow and enforce security best practices, including secure coding, proper handling of sensitive data, authentication/authorization controls, and compliance with company security policies.