Staff Software Engineer — AI‑Driven Tech Leader (Hybrid)

Upside; Kraków; Hybrid; PLN 296,000 - 413,000; Full time

Job summary

Upside, a software consultancy in Kraków, seeks a Staff Software Engineer to guide engineering teams in delivering AI-driven, production-grade platforms. You will balance strategic direction with hands-on coding, shaping technical decisions and mentoring the next generation of engineers.

This role emphasizes Python mastery, distributed systems expertise, and close collaboration with CTOs and founders to deliver high-impact solutions for international clients.

Qualifications

• 7+ years of building web applications, with 2+ years in a leadership role.
• Python-first technical baseline; Ruby knowledge is a plus.
• Fluent English (C1/C2) for strategic discussions.

Responsibilities

• Drive architecture for large-scale distributed systems.
• Partner with clients and founders to co-create solutions.
• Mentor engineers and foster knowledge sharing.
• Identify and mitigate technical debt and architectural risks.
• Lead AI/ML integration within client ecosystems.
• Oversee complex, asynchronous systems with deep architectural oversight.

Skills

Python

Distributed systems

Leadership

AI tooling

English proficiency

Tools

AWS

Docker

Kubernetes

PostgreSQL

Job description

Upside, a software consultancy in Kraków, seeks a Staff Software Engineer to guide engineering teams in delivering AI-driven, production-grade platforms. You will balance strategic direction with hands-on coding, shaping technical decisions and mentoring the next generation of engineers.

This role emphasizes Python mastery, distributed systems expertise, and close collaboration with CTOs and founders to deliver high-impact solutions for international clients.