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About the Role
As a Research Engineer, you will be responsible for building industry-leading conversational AI models that power Decagon’s agent, and taking them all the way from idea to production. You will own multi-quarter initiatives that push the agent’s reliability, capability, and efficiency forward, and you will design and implement frontier approaches for training, evaluation, and orchestration across the system. We are looking for strong engineers who want to build the core models and algorithms behind our AI agents. People here own their work end-to-end, ship real improvements, and are trusted to make high-impact technical decisions.
Responsibilities
- Lead research and engineering efforts to improve core conversational capabilities in production, including instruction following, retrieval, memory, and long-horizon task completion
- Build and iterate on end-to-end models and pipelines that optimize for quality, efficiency, and user experience
- Partner with platform and product engineers to integrate new models into production systems
- Break down ambiguous research ideas into clear, iterative milestones and roadmaps
Requirements
- 2+ years of experience in AI/ML engineering or research
- Prior experience post-training and deploying LLMs in production environments
- Track record of taking research ideas from prototype to reliable, measurable production impact
Skills
- Python
- Modern ML tooling (training, evaluation, data pipelines)
Location
- In-office
Work Type
- Full-time
Experience Level
- 2+ years of experience in AI/ML engineering or research
Salary/Compensations
- $200K – $400K + Offers Equity
Benefits
- Take what you need vacation policy
- Medical, Dental, and Vision benefits for you and your family
- Life Insurance and Disability Benefits
- Retirement Plan (e.g., 401K, pension)
- Parental Leave
- Fertility and family building benefits through Carrot
- Daily lunches and snacks in the office
About the Company
- Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences.
- Our technology enables industry-defining enterprises like Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI agents that power personalized, deeply satisfying interactions across voice, chat, email, SMS, and every other channel.
- We’re building a future where customer experiences are being redefined from support tickets and hold music to faster resolutions, richer conversations, and deeper relationships.
- We’re proud to be backed by world-class investors who share that vision, including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, along with many others.
- We’re an in-office company, driven by a shared commitment to excellence and velocity.
- Our values — Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle — shape how we work and grow as a team.