Artificial Intelligence Engineer

Colossus Technologies Group; New York (NY); On-site; USD 170,000 - 250,000; Full time

Benefits offered by this job

Equity

Paid time off

Significant technical ownership

Job summary

Colossus Technologies Group is seeking a Senior AI Engineer to design, build, and scale AI-powered software applications. This hands-on role emphasizes production-ready AI solutions, with ownership over architecture, design, and implementation.

You will develop backend services, APIs, and integrations, work on complex automation, and partner with product teams to ship new features. Strong Python and LLM experience are essential, with a focus on reliability and scalability.

Qualifications

• 5+ years of backend software engineering experience, preferably Python.
• Hands-on experience building LLM applications, agents, or automation systems.
• Experience designing APIs and integrating external services.
• Knowledge of distributed systems and scalable architectures.
• Familiarity with LLM integration and AI frameworks.

Responsibilities

• Design and build AI-powered applications using LLMs and modern AI technologies.
• Develop backend services, APIs, and integrations supporting AI functionality.
• Build systems that automate complex tasks and processes.
• Improve the reliability, performance, and scalability of AI applications.
• Integrate AI models with existing software systems and external services.
• Collaborate with engineering and product teams to develop and launch new features.
• Own technical projects from initial design through production.

Skills

Backend Python

LLM applications

API design

Distributed systems

Automation/integration

Tools

LangChain

LangGraph

Pydantic AI

Job description

We're partnering with a growing technology company looking for a Senior AI Engineer to build and scale AI-powered software applications.

This is a hands-on engineering role focused on developing production-ready AI solutions, with significant ownership over technical design, architecture, and implementation.

What You\'ll Do

• Design and build AI-powered applications using LLMs and modern AI technologies.
• Develop backend services, APIs, and integrations supporting AI functionality.
• Build systems that automate complex tasks and processes.
• Improve the reliability, performance, and scalability of AI applications.
• Integrate AI models with existing software systems and external services.
• Collaborate with engineering and product teams to develop and launch new features.
• Own technical projects from initial design through production.

What We\'re Looking For

• Strong backend software engineering experience, ideally with Python.
• Hands-on experience building LLM applications, AI agents, or sophisticated automation systems.
• Experience developing APIs, integrating external services, and working with databases.
• Understanding of distributed systems, asynchronous processing, and scalable architectures.
• Familiarity with LLM integration, tool calling, or AI application frameworks.
• Experience deploying and maintaining production software.
• Ability to work independently and take ownership of technical decisions.

Nice to Have

• Experience with LangChain, LangGraph, Pydantic AI, or similar frameworks.
• Experience building AI applications that interact with external tools and APIs.
• Familiarity with AI evaluation, monitoring, and observability.
• Experience in startup or early-stage engineering environments.
• Competitive base salary and equity
• Paid time off
• Opportunity for significant technical ownership