Senior AI Engineer, Chat & Agent Systems

Kantiv Inc.; United States; Remote; USD 150,000 - 210,000; Full time

Job summary

Kantiv Inc. is seeking a strong AI engineer with 4–5 years of experience to lead the chat team’s design and delivery. You will own system design, mentor juniors, and ensure high-quality code through reviews and testing.

You will write production Python, shape engineering standards, and optimize observability, latency, and costs across the chat stack. This hands-on role emphasizes practical agentic programming.

Qualifications

• 4–5 years of professional software engineering experience.
• Strong Python production code, typed and maintainable.
• Experience designing, delivering, and operating production systems.
• Ability to create useful abstractions while keeping systems simple.
• Strong knowledge of API design, data modeling, concurrency, error handling, and observability.
• Experience writing automated tests with pytest.
• Ability to review code beyond surface level and explain the reasoning.
• Experience mentoring junior developers.
• Comfort taking ownership and driving improvements across a team.
• Clear written and verbal communication.

Responsibilities

• Own the technical design and delivery of chat-team projects.
• Shape engineering priorities, standards, and day-to-day technical decisions.
• Turn product requirements into simple, maintainable system designs.
• Write production Python and remain closely involved in implementation.
• Design clear abstractions that reduce complexity without over-engineering.
• Review pull requests for correctness, maintainability, test coverage, and overall design quality.
• Help junior developers strengthen their programming and system-design judgment.
• Diagnose production issues across application code, agent workflows, prompts, models, data, and infrastructure.
• Improve reliability, observability, latency, and cost of our chat systems.
• Take initiative in making the team more AI-native by improving how we use coding agents throughout the development lifecycle.
• Mentor other engineers in effective agentic coding workflows, including planning, implementation, testing, debugging, and code review.

Skills

Python

API design

Data modeling

Concurrency

Observability

Automated tests

Code reviews

Mentoring

System design

Agentic coding

Tools

LangGraph

LangSmith

Langfuse

Job description

Kantiv Inc. is seeking a strong AI engineer with 4–5 years of experience to lead the chat team’s design and delivery. You will own system design, mentor juniors, and ensure high-quality code through reviews and testing.

You will write production Python, shape engineering standards, and optimize observability, latency, and costs across the chat stack. This hands-on role emphasizes practical agentic programming.