Senior AI Platform Engineer, Agentic Workflows

Senior Any Podgorica, Montenegro Full-time Posted 2 months ago

Skills & stack

Languages

Python

Skills

CrewAI LangGraph LLM tool-use

About the role

The Senior AI Platform Engineer, Agentic Workflows role at Coinis is based in Podgorica, Montenegro. You will build the agentic layer for automated advertising campaign decisions and influence architecture across the platform.

Work format

This is a full-time position.

Skills and tools

Python
LLM tool-use
Claude
LangGraph
CrewAI
Meta Business API

What to prepare

Prepare a Python sample that demonstrates asynchronous tool calls or streaming.
Outline a multi-step agent workflow, including state, guardrails, and failure handling.
Bring an evaluation example showing how you measured agent decisions and used traces to investigate errors.

Responsibilities

Build the agent loop and tool-use framework around Claude and other frontier models.
Implement memory and state for long-running, multi-step advertising workflows.
Define guardrails and escalation paths for agent actions.
Instrument workflow steps with replayable traces that make decisions auditable.
Translate the media-buying team's playbooks into agent behavior.
Build evaluation harnesses to compare agent performance with human media buyers.
Connect the agent to existing Meta Business API integrations.

Requirements

At least 5 years of backend or ML engineering experience.
Production experience with LLM tool-use, function calling, or agent frameworks.
Strong Python skills, including asynchronous programming and streaming.
Experience building systems that take actions on users' behalf.
Expertise in observability, evaluation, and failure modes.
Skills in LangGraph and CrewAI for agent orchestration.
A BSc or MSc in Computer Science, ML, or a related field.

Nice to have

Experience using Anthropic Claude API, OpenAI API, or similar services at scale.
Knowledge of ad tech, performance marketing, or media buying.
Experience with vector databases and semantic memory.

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Coinis

Product

AI-powered ad-tech platform, founded in 2013 in Podgorica, that automates ad creative generation, campaign launch and optimization for advertisers and publishers.

Location: Podgorica, Montenegro
Team size: 51-200
Remote policy: Hybrid

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