Remote Software & AI Engineer (Poland)

Ersilia; Warszawa; On-site; PLN 260,000 - 380,000; Full time

Job summary

Ersilia is seeking a Software/AI Engineer to build and enhance AI agents for Slack and Teams, with a focus on reliability and rapid production deployment. This mid‑senior, full‑time role is remote for candidates in Poland, with onsite options in major cities as noted.

Strong TypeScript, React, Python and orchestration skills are required. You will work in a fast‑paced, small team to ship tooling, maintain agent lifecycles, and continuously integrate new tools and workflows.

Qualifications

• Experience building or significantly modifying AI agents.
• Fluency in agentic coding workflows.
• Experience with systems thinking and technical trade-offs.
• Ability to ship to production quickly.
• Onsite work in Munich, New York, or Warsaw.

Responsibilities

• Build the agent runtime. Sandboxed execution, tool orchestration, memory, the closed loop where the agent checks its own work.
• Ship integrations. OAuth, webhooks, schema mapping, error handling.
• Run the infrastructure. Container orchestration, autoscaling, cost per task.
• Ship product. Features that go directly to users through Slack and Teams.
• Whatever needs building. Small team, large surface.

Skills

TypeScript

React

Python

AI-assisted development

Container orchestration

Job description

Ersilia is seeking a Software/AI Engineer to build and enhance AI agents for Slack and Teams, with a focus on reliability and rapid production deployment. This mid‑senior, full‑time role is remote for candidates in Poland, with onsite options in major cities as noted.

Strong TypeScript, React, Python and orchestration skills are required. You will work in a fast‑paced, small team to ship tooling, maintain agent lifecycles, and continuously integrate new tools and workflows.