Decagon

About the Company

Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experience. Our AI agents provide intelligent, human-like responses across chat, email, and voice, resolving millions of customer inquiries across every language and at any time.

We partner with industry leaders like Hertz, Eventbrite, Duolingo, Oura, Bilt, Curology, and Samsara to redefine customer experience at scale. Decagon is backed by Accel, Andreessen Horowitz, Bain Capital Ventures, BOND, A*, Elad Gil, and the founders of Box, Airtable, Rippling, Okta, and more.

Listed Jobs

Company Name

Decagon

Job Title

Senior Agent Software Engineer

Job Description

Job title: Senior Agent Software Engineer Role Summary: Own end‑to‑end design, build, and deployment of scalable AI agents that handle complex customer interactions and exceed human agent performance across multiple industries. Expectations: 5+ years of professional software engineering experience; strong background in Python, TypeScript, and asynchronous programming; deep familiarity with system diagnostics and performance tuning; ability to drive cross‑customer insights; experience evaluating and integrating cutting‑edge text and voice models; collaborative mindset with senior stakeholders. Key Responsibilities: - Design and implement AI agents that resolve complex inquiries and improve retention metrics. - Analyze usage data across customers to identify trends and guide platform evolution. - Experiment with, benchmark, and scale the latest text and voice models for enterprise deployment. - Collaborate with product, data science, and client teams to translate customer needs into technical solutions. - Own the full lifecycle of features—from specification through production and iterative improvement. Required Skills: - Professional software development (5+ yrs) with expertise in Python and TypeScript. - Advanced asynchronous programming and concurrent system design. - Experience troubleshooting failures in deep, heterogeneous technology stacks. - Knowledge of ML/AI deployment pipelines, model evaluation, and scaling strategies. - Strong analytical skills and ability to extract actionable insights from production metrics. Required Education & Certifications: - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalent technical background. - Relevant certifications (e.g., AWS, GCP, Azure, or AI/ML) are a plus but not mandatory.

London, United kingdom

On site

Senior

24-12-2025

Company Name

Decagon

Job Title

Machine Learning Research Engineer

Job Description

**Machine Learning Research Engineer** **Role Summary** Lead research and engineering to build state-of-the-art AI agents for enterprise customer support. Develop models that enhance AI performance, optimize latency, and deliver scalable, automated solutions. **Expectations** - 3+ years in AI/ML engineering or research. - Proven success in implementing AI/ML projects from concept to production. - Experience with large language models (LLMs) in production environments. - Proficiency in multi-modal model deployment. **Key Responsibilities** - Design and implement instruction tuning and information retrieval methods. - Build customer support models exceeding closed-source benchmarks. - Optimize open-source models to reduce latency across communication channels. - Translate complex research problems into actionable milestones and roadmaps. **Required Skills** - Machine learning engineering (model design, deployment, optimization). - Expertise in LLM fine-tuning and production deployment. - Multi-modal model development and integration. - Python programming and AI/ML frameworks (e.g., TensorFlow, PyTorch). **Required Education & Certifications** - Bachelor’s degree in Computer Science, AI, or related field. - Advanced degree (Master’s/PhD) preferred but not required. - No specific certifications mandatory.

San francisco, United states

On site

Junior

01-01-2026

Company Name

Decagon

Job Title

Senior Software Engineer, Agents

Job Description

Senior Software Engineer, Agents Role Summary: Design and deploy AI agents to enhance customer experience, driving scalability and innovation in AI-driven solutions across various industries. Expectations: 5+ years in software engineering. Ownership of AI agent development lifecycle, problem-solving complex system challenges for large-scale impact. Key Responsibilities: - Design AI agents exceeding human performance in managing customer interactions and retention. - Analyze cross-customer trends to improve platform capabilities. - Implement and scale text/voice models for enterprise clients. Required Skills: Python, Typescript, asynchronous programming; debugging deep technology stacks. Required Education & Certifications: Not specified.

London, United kingdom

On site

Senior

14-01-2026

Company Name

Decagon

Job Title

Senior Software Engineer, Agent Development

Job Description

Job title: Senior Software Engineer, Agent Development Role Summary: Design and develop full‑stack, self‑serve product tools that enable customers to configure, train, and deploy AI agents with minimal engineering effort. Own end‑to‑end feature ownership, collaborating with PM, design, and engineering peers to translate complex AI capabilities into intuitive, scalable interfaces. Expactations: - Deliver high‑quality, production‑ready code that balances technical excellence with rapid shipping. - Own feature lifecycle from architecture and design through deployment and iteration. - Collaborate effectively across product, design, and engineering to define requirements, review designs, and drive launches. - Build scalable, observable systems that provide actionable analytics and monitoring for customer agents. Key Responsibilities: - Build self‑serve functionality for agent configuration, training, and deployment. - Design user‑friendly abstractions that allow non‑technical teams to create sophisticated AI workflows. - Develop monitoring, analytics, and visualization tools to surface insights for agent performance improvement. - Translate complex AI capabilities into simple, usable interfaces and APIs. - Write maintainable TypeScript and/or Python code across the full stack. - Iterate on features, incorporating feedback from users and stakeholders. - Ensure scalability, observability, and reliability of the developed services. Required Skills: - 4+ years of full‑stack software development with strong product focus. - Proficient in TypeScript and/or Python; comfortable across front‑end and back‑end layers. - Experience building developer tools, APIs, platforms, or internal tools that become customer‑facing. - Background with large language models, prompt engineering, or AI agent systems is highly desirable. - Knowledge of asynchronous programming and building scalable, distributed systems. - Experience with observability, data visualization, or analytics products. - Ability to translate complex technical concepts into clear, user‑centric designs. - Track record of shipping reliable features while maintaining high code quality. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent professional experience.

San francisco, United states

On site

Senior

02-02-2026