Backend Engineer

Stack

Responsibilities

• ▹Build and maintain scalable backend systems with clean, maintainable code
• ▹Identify issues early and propose actionable fixes or optimizations
• ▹Collaborate closely with the team and stakeholders to translate requirements into working technology
• ▹Share findings and lessons learned to help the team grow
• ▹Support the integration of Applied AI features into client products

Requirements

• ▹2+ years of commercial experience building web applications (Python or Ruby)
• ▹Solid understanding of OOP, clean code, and software development lifecycles
• ▹Practical knowledge of SQL and relational databases (PostgreSQL)
• ▹Experience with Git, Docker, and CI/CD pipelines
• ▹Proactive, curious mindset with ownership of tasks
• ▹AI-native: uses tools like Claude or Cursor to work smarter and faster
• ▹Great command of written and spoken English

Soft skills

What we offer

• ▹Small teams (3-9 people) with real accountability and decision-making weight
• ▹Mission-critical, international projects for scaling and established brands
• ▹Real ownership of technology and implementation decisions
• ▹No micromanagement
• ▹Company culture built for long-term growth

About the company

Upside is a software consultancy built by engineers, for engineers, partnering with global companies to solve complex technical challenges. They operate in a forward-deployed model, working directly with clients instead of behind a wall of specs, and also build open-source tools such as Enthusiast, an agentic AI framework.