New offer - be the first one to apply!
December 17, 2025
Mid • Remote
$120 - $130/
Kraków, Poland
We’re seeking a Backend Engineer with exceptional engineering discipline and FAANG-level standards to build and scale backend systems for an AI-powered product used by growing organizations. This flexible role operates in a startup-intensive environment and includes participation in calls with US-based customer as part of delivering real-world product impact.
About the Project
You’ll help build and scale the backend and platform systems that power intelligent, AI-driven workflows over large organizational datasets. The platform is designed for speed, reliability, and continuous iteration, offering meaningful technical ownership in a high-growth startup setting.
Key Responsibilities:
Design, develop, and maintain scalable backend and platform services;
Build APIs and data pipelines that support AI and agent-driven workflows;
Integrate backend systems with cloud infrastructure and data stores;
Take end-to-end ownership of features in a fast-moving startup environment;
Collaborate closely with product and engineering teams to deliver high-impact solutions;
Continuously improve system performance, reliability, and scalability.
Qualifications:
4+ years of experience in backend or platform engineering;
Strong proficiency in Python, backend API development, and system design;
Experience with AWS and relational SQL databases;
Ability to work independently, learn quickly, and thrive in a startup-intensive environment;
Strong problem-solving and communication skills in English.
Nice to have: experience working with LLMs, agentic frameworks, or RAG-based systems;
The Recruitment Process Includes:
30-minute HR screening call;
Technical interview;
Team and product discussion;
Offer and alignment call.