Infrastructure / Backend Engineer (AI Agents)

Jobtailor; New York (NY); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Equity

Hybrid work model

Career growth

Job summary

Ant-Tech in New York City is seeking an experienced Infrastructure / Backend Engineer to build scalable backend systems, AI agents, and developer infrastructure powering next-generation AI applications. You will design production-ready AI agents, develop scalable backend services, and build infrastructure for AI applications, including orchestration, observability, and deployment pipelines.

This role requires strong TS/JS and Python skills and a comfort with fast-moving startup environments.

Qualifications

• 4+ years of software engineering experience.
• Experience shipping production AI agents or AI-powered applications.
• Strong understanding of modern AI models such as GPT-4/4o, Claude, Gemini, or open-source LLMs.
• Strong TypeScript/JavaScript and Python skills.
• Experience building modern web applications and backend services.
• Solid understanding of AI application architecture and LLM integration.
• Excellent problem-solving and communication skills.
• Comfortable working in a fast-moving startup environment.

Responsibilities

• Design and build production-ready AI agents for real-world automation.
• Develop scalable backend services and APIs.
• Build infrastructure for AI applications, including orchestration, observability, and deployment pipelines.
• Collaborate closely with engineering and product teams to rapidly deliver new features.
• Improve developer tooling and internal platforms.
• Evaluate and integrate the latest AI models into production systems.

Skills

TypeScript/JavaScript

Python

AI model integration

Backend services

Problem-solving

Communication

Startup environment

Tools

LangGraph

LangChain

Vercel AI SDK

AWS

GCP

Azure

Job description

Tasks

Location: New York City (Hybrid)
Employment Type: Full-time

Build production AI systems that solve real-world problems.

We're hiring an experienced Infrastructure / Backend Engineer to build scalable backend systems, AI agents, and developer infrastructure powering next-generation AI applications.

This is an opportunity to work on cutting-edge AI products in a fast-paced engineering environment with high ownership and technical impact.

What You'll Do

• Design and build production-ready AI agents for real-world automation.
• Develop scalable backend services and APIs.
• Build infrastructure for AI applications, including orchestration, observability, and deployment pipelines.
• Collaborate closely with engineering and product teams to rapidly deliver new features.
• Improve developer tooling and internal platforms.
• Evaluate and integrate the latest AI models into production systems.

Requirements

Must Have

• 4+ years of software engineering experience.
• Experience shipping production AI agents or AI-powered applications.
• Strong understanding of modern AI models such as GPT-4/4o, Claude, Gemini, or open-source LLMs.
• Strong TypeScript/JavaScript and Python skills.
• Experience building modern web applications and backend services.
• Solid understanding of AI application architecture and LLM integration.
• Excellent problem-solving and communication skills.
• Comfortable working in a fast-moving startup environment.

Nice to Have

• Open-source contributions.
• Experience with AI frameworks such as LangGraph, LangChain, Vercel AI SDK, or similar.
• Experience with AWS, GCP, or Azure.
• UI/UX, product design, or technical writing experience.

Benefits

What You'll Get

• Competitive salary and equity.
• Opportunity to work on production AI products.
• High ownership and autonomy.
• Collaborative, engineering-first culture.
• Excellent career growth in one of the fastest-growing areas of software engineering.

Interested?
Send us your CV or LinkedIn profile to learn more about this opportunity. Full company details will be shared with shortlisted candidates during the recruitment process.