
Senior Software Engineer, Agent Product at Decagon (New York, NY)
Decagon· New York, NY· $200k–$400k·
Role details
Vacation Policy · Medical, Dental, And Vision Benefits · Life Insurance · Disability Benefits · Retirement Plan · Parental Leave · Fertility And Family Building Benefits · Daily Lunches And Snacks
Decagon at a glance
Autonomous AI agents that resolve enterprise customer support end to end across chat, voice, email, and SMS.
Decagon builds autonomous AI agents for enterprise customer support, handling chat, voice, email, and SMS from one intelligence layer. Its agents resolve requests end to end and take real actions across a company's support stack, with workflows defined in natural language via Agent Operating Procedures so CX teams can iterate without engineering.
$481M+ raised · latest: Series D · $250M · 2026 · backed by Coatue Management, Index Ventures, Andreessen Horowitz (a16z), Accel
Summary
Design and build mission-critical AI agents to manage complex customer interactions and drive retention. Own end-to-end development from implementation to scaling solutions for enterprise-grade customers using Python and modern AI models.
Job description
About Decagon
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.
About the Team
The Agent Product Engineering team at Decagon deploys mission-critical AI agents to our customers that impact millions of users and directly drive Decagon’s growth. You will build on our industry-leading AI agent platform, collaborate directly with customers and use your own creativity to devise long-term, scalable solutions.
Our mission is to deliver magical support experiences — AI agents working alongside human agents to help users resolve their issues.
About the Role
On the Agent Product Engineering team, you’ll have complete ownership and autonomy in building and shipping best-in-class AI agents, from initial implementation through continuous iteration. You’ll work directly with leaders across industries like finance, healthcare and hospitality, solving their users’ needs with reliable and intuitive AI agents.
Engineers here own their work end-to-end and are trusted to make a real impact. This role is for someone who dives deep into complex system challenges and builds elegant solutions that scale to millions of users.
In this role, you will
- Design and build AI agents that outperform human agents in managing complex customer interactions and driving customer retention
- Identify cross-customer trends that guide the evolution of Decagon’s agent building platform and research efforts
- Experiment with and run evaluations on the latest text and voice models, then integrate them at scale with large enterprise-grade customers
Your background looks something like this
- Have 5+ years of industry experience in software engineering
- Proficiency with Python, Typescript and asynchronous programming
- A high degree of comfort digging into system failures within deep technology stacks using any tool necessary
Even better
- Prior experience working with multi-modal models
Compensation
$200K – $400K + Offers Equity
This range reflects the expected compensation for this role. Compensation within the range is determined based on experience, skills, and the scope of responsibilities, with flexibility for candidates who demonstrate exceptional impact.
In addition to base salary, we offer competitive equity. Final compensation may vary based on location within the United States.
Benefits
We proudly offer the following benefits for our full-time employees:
- 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
- Monthly stipend to support your wellness, lifestyle, and work-life balance
- Daily lunches and snacks in the office to keep you at your best
- Take what you need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)
These benefits are described in more detail in Decagon’s policies, may vary by location, and can change at any time according to applicable compensation and benefits plans.
Why work at Decagon
- Culture: Described as "Eng-Driven, Ship Fast, Equity, Product Impact" by employees. Values include: "Just get it done," "Invent what customers want," "Winner's mindset," "The Polymath Principle" (cross-functional collaboration) decagon.ai/careers
- Compensation: "We hire the best and treat them accordingly" — competitive compensation philosophy; Glassdoor rating: 3.9/5.0 (257 reviews), Compensation: 5.0/5.0 in Glassdoor-style internal review jobsbyculture.com
- Benefits:
- 100% medical, dental, and vision coverage for dependents
- 401k and FSA/commuter benefits
- Flexible PTO + company-wide winter break shutdown
- Free daily lunches, dinner, and snacks at HQ
- Wellness programs and company events decagon.ai/careers
- Remote/Hybrid/Office: HQ in San Francisco (2261 Market Street); London office (50 York Way). Roles span remote, hybrid, and on-site options based on job postings.
- Engineering culture: 89 technical employees (21% of workforce), Staff/Senior Research Engineer roles for Voice + Speech; "Build, optimize, and scale AI agents" is core identity. Alumni go on to OpenAI, Datadog, Postman, Accel — strong talent pipeline.
- Growth trajectory: 134 open roles; 300+% headcount growth YoY; $4.5B valuation at 3 years old — extremely high-growth environment ideal for career acceleration.
- Notable perk: "We’re building a future where customer experiences are being redefined from support tickets and hold music to faster resolutions" — employees report high product impact and ownership.