Backend Engineer: AI-Driven, Small Team Ownership, Remote

Upside; Kraków; Hybrid; PLN 112,000 - 215,000; Full time

Job summary

Upside is a software consultancy where Backend Engineers design and scale platforms for global clients. You will join a small, autonomous cross-functional team in Kraków, owning parts of the architecture and delivering production-ready code.

Expect to work with Python or Ruby, relational databases, and modern infra (Git, Docker, CI/CD). The role emphasizes initiative, collaboration with founders/CTOs, and impactful, open-source contributions.

Qualifications

• 2+ years of commercial experience in building web applications using Python or Ruby
• Solid understanding of OOP, clean code, and software development lifecycles
• Proactive, autonomous mindset with ownership and collaboration skills
• Strong written and spoken English for team and client communication

Responsibilities

• Build and maintain scalable backend systems with a focus on clean, maintainable code
• Proactively identify issues and propose solutions or optimizations
• Collaborate with team and stakeholders to translate requirements into working technology
• Share findings and lessons learned to help the team grow
• Support integration of Applied AI features into client products

Skills

Python

Ruby

OOP

Clean code

English

Tools

Git

Docker

CI/CD pipelines

AWS

Kubernetes

PostgreSQL

Job description

Upside is a software consultancy where Backend Engineers design and scale platforms for global clients. You will join a small, autonomous cross-functional team in Kraków, owning parts of the architecture and delivering production-ready code.

Expect to work with Python or Ruby, relational databases, and modern infra (Git, Docker, CI/CD). The role emphasizes initiative, collaboration with founders/CTOs, and impactful, open-source contributions.