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San Francisco, California, United States · Hybrid
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San Francisco, California, United States · On-site
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Skills: Product Management, Technical Product Management, Machine Learning, Artificial Intelligence, API Design
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Design and implement post-training workflows to improve the reliability and behavior of AI systems for enterprise use cases. Build infrastructure for experimentation and evaluation while collaborating with researchers and engineers to deploy robust AI systems.
Candidates must have experience in post-training techniques such as fine-tuning and RLHF, combined with strong programming and experimentation skills. A research-oriented builder mindset with a focus on measurement and practical production constraints is required.
Distyl is an applied AI technology company partnering with the world’s most ambitious institutions to rearchitect critical operations for the frontier of AI. Our customers include the largest companies in telecom, healthcare, insurance, manufacturing, consumer goods, and global social organizations.
We research and deploy technologies that power AI-native operations — both for our partners and for Distyl itself. Our work spans research into self-constructing systems, the development of the most reliable execution of AI systems, and products that transform mission-critical workflows. As a result, Distyl's technologies affect some of the world's largest operations — from hundreds of millions of consumer interactions to tens of millions of supply chain transactions and millions of patient journeys.
Distyl is backed by leading investors including Lightspeed Venture Partners, Khosla Ventures, Coatue, DST Global, and the board-members of 20+ F500s. The results reflect this approach: a 100% production deployment success rate for our customers and one of the few enterprise AI companies to run a profitable business.
At Distyl, Research Engineers build the bridge between frontier AI research and production systems that deliver real business value. This role is for engineers who are excited to investigate how AI systems should be designed, rapidly prototype new ideas, and turn promising concepts into reliable systems that work inside real customer environments.
Research Engineers operate at the intersection of applied research, systems engineering, and customer-facing deployment. They design and implement compound AI systems, run experiments to understand system behavior, build evaluation frameworks, and collaborate closely with AI Researchers, AI Engineers, and customer stakeholders. Their work is not limited to demos or isolated prototypes: they help turn new techniques into robust systems that can be measured, operated, and improved in production.
Design and run post-training workflows that improve the behavior, reliability, and usefulness of AI systems
Develop datasets, preference signals, evaluation suites, reward models, fine-tuning workflows, and feedback loops for applied AI use cases
Investigate how different post-training techniques affect system behavior across enterprise workflows and production constraints
Build infrastructure for experimentation, model comparison, regression testing, and behavior analysis
Partner with AI Researchers to explore new post-training methods and with AI Engineers to apply successful techniques in deployed systems
Analyze model outputs, failure modes, human feedback, and production traces to identify opportunities for behavioral improvement
Create repeatable processes for adapting AI systems to customer domains while preserving robustness, transparency, and maintainability
Communicate clearly with internal teams and customer stakeholders about model behavior, evaluation results, limitations, and tradeoffs
Experience Improving Model Behavior: You have worked with fine-tuning, preference optimization, reinforcement learning, reward modeling, synthetic data, evals, or related post-training techniques
Strong Programming and Experimentation Skills: You can build training and evaluation pipelines, run controlled experiments, analyze results, and iterate quickly
Research-Oriented Builder: You care about understanding why behavior changes, not just whether a benchmark improves
AI Systems Mindset: You understand that model behavior is shaped by data, prompts, tools, retrieval, evaluators, and deployment context—not model weights alone
AI-Native Working Style: You use AI tools daily to accelerate coding, analysis, debugging, experimentation, and research exploration
Bias Towards Measurement: You make behavioral improvements concrete through evaluations, comparisons, regression tests, and production-relevant metrics
Comfort with Applied Constraints: You can balance research ambition with practical constraints around cost, latency, reliability, data availability, and customer requirements
Ownership Mentality: You take responsibility for whether post-training work improves real system outcomes, not just offline scores
The base salary range for this role is $150K – $250K, depending on experience, location, and level. In addition to base compensation, this role is eligible for meaningful equity, along with a comprehensive benefits package
100% coverage of medical, dental, and vision insurance for employee and dependents
Flexible time off
Retirement and financial planning benefits, including access to pre-tax HSA, FSA, and commuter accounts, 401(k), and financial coaching resources
Comprehensive wellness benefits, including physical fitness, mental well-being, and fertility and family-building benefits through Carrot
Complimentary in-office lunches and snacks provided
Access to state-of-the-art AI models, generous usage of modern AI tools, and real-world business problems
Ownership of high-impact projects across top enterprises
A mission-driven, fast-moving culture that values curiosity, pragmatism, and excellence
Distyl has offices in San Francisco and New York. This role follows a hybrid collaboration model with 3+ days per week (Tuesday–Thursday) in‑office.
#LI-Hybrid
We believe diverse perspectives make our work stronger and more impactful. We are an equal opportunity employer and evaluate all applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other legally protected characteristic. We encourage candidates from all backgrounds to apply.
Architecting the AI-Native Enterprise
Distyl partners with the most ambitious enterprises to design and operationalize their AI transformations. We do this by forward-deploying our teams of engineers and researchers who own the outcome, and deploying our purpose-built products that are customized to the business.
Offices: 55 Hawthorne St, Floor 4, San Francisco, California 94105, US · 135 Madison Ave, Floor 10, New York, NY 10016, US
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