Software Engineer, Agent Development (AI)

TL;DR

Software Engineer, Agent Development (AI): Building production-ready AI agents for autonomous marketing, focusing on integrating LLM orchestration, tool use, and platform services. Focus on rapid iteration based on production data, ensuring agent accuracy, reliability, and performance at scale.

Location: Hybrid work model from our Kraków office with flexibility to adjust working hours for collaboration with US-based teams (Chicago timezone overlap)

Salary: zł 184,000 - 276,000 (per year salary)

Company

hirify.global is the autonomous marketing platform for people at the heart of the action, empowering teams to automate their campaigns with AI agents.

What you will do

• Design and build production-grade AI agents and autonomous marketing workflows across the hirify.global platform.
• Implement multi-step agentic flows involving LLM orchestration, tool use, and integration with platform services.
• Design and run agent evaluations — building eval frameworks, defining quality metrics, and continuously measuring agent accuracy, reliability, and performance in production at scale.
• Monitor and optimize agent performance — latency, cost, token usage, error rates — and iterating rapidly based on production data.
• Contribute to PHP backend and frontend (React/Ember) integration points where agents interact with the core platform.
• Work closely with Product, Design, and domain engineering teams to define agent capabilities and user experiences.

Requirements

• 2-4 years of experience in a software engineering role.
• Hands-on experience building and running AI agents or agentic workflows in a production environment.
• Experience with agent evaluation and performance optimization.
• Solid backend development skills in Python; working familiarity with PHP is a plus.
• Fluent in English (B2 minimum).
• Willingness to work flexible hours with regular afternoon availability to overlap with US Central timezone.

Nice to have

• Experience with agentic AI frameworks or multi-agent orchestration patterns.
• Frontend experience with React or Ember.
• Understanding of prompt engineering, evaluation methodologies, or LLM fine-tuning.

Culture & Benefits

• Collaboration with experienced engineers across the Kraków Hub, including senior and staff-level technical leadership.
• An environment that values ownership, fast iteration, and learning by doing.
• Active investment in AI-first engineering practices and tooling.
• Access to LinkedIn Learning, professional development programs, and career growth opportunities.
• MultiSport Plus card to support your active lifestyle, home office stipend to cover commuter or work from home expenses, and a four-week paid sabbatical with bonus after five years.