Backend Engineer (Mid) - Build AI-Native ERP, Remote

Dualentry; Warszawa; Remote; PLN 255,000 - 530,000; Full time

Job summary

A fast-growing AI startup is seeking a Backend Engineer to design and build core backend systems using Python. This role offers significant equity, autonomy, and a chance to shape the product directly in a remote-first environment. Ideal candidates have over 5 years of backend engineering experience, proficiency in Python, and a strong understanding of complex business logic. This opportunity includes a competitive salary, and the chance to grow with the company.

Benefits

Base Salary: $70K–$145K USD

Equity: ~$50K

15 PTO days + 12 public holidays

Remote-first team

High-autonomy work culture

Qualifications

• 5+ years of backend engineering experience.
• Proficient in Python and modern frameworks (FastAPI, Flask, Django).
• Strong experience with AWS or similar cloud services.
• Excellent database skills including PostgreSQL, SQL, ORMs.
• Experience with building robust APIs.

Responsibilities

• Design and build core backend systems using Python.
• Build APIs and infrastructure for business-critical logic.
• Launch production-ready features with CI/CD.
• Manage complex finance workflows and integrations.
• Collaborate with teams to design and ship systems.

Skills

Backend engineering

Python

Complex business-logic products

AWS

PostgreSQL

API development

CI/CD

Database design

Fluent English (C1+)

Job description

A fast-growing AI startup is seeking a Backend Engineer to design and build core backend systems using Python. This role offers significant equity, autonomy, and a chance to shape the product directly in a remote-first environment. Ideal candidates have over 5 years of backend engineering experience, proficiency in Python, and a strong understanding of complex business logic. This opportunity includes a competitive salary, and the chance to grow with the company.