Senior Python Backend Engineer - Lead Scalable Systems

CyberproAI; Województwo mazowieckie; On-site; PLN 180,000 - 260,000; Full time

Job summary

CyberproAI in Poland seeks a Senior Backend Engineer to lead the design, development, and maintenance of scalable backend services. You will shape technical direction, mentor a talented team, and collaborate with cross-functional colleagues to deliver innovative features.

You will focus on high-performance systems, reliability, and security, driving best practices and solving complex technical challenges across the stack.

Qualifications

• Proven backend development experience with Python and FastAPI.
• Strong MongoDB expertise.
• Solid PostgreSQL and Kubernetes deployment experience.
• Experience with AWS Lambda, ECS, and SQS.

Responsibilities

• Lead architectural design and implementation of backend systems.
• Mentor mid and junior engineers and drive continuous improvement.
• Collaborate with product, frontend, and other stakeholders to translate requirements.
• Ensure performance, reliability, and security across applications.
• Identify and resolve technical bottlenecks and bugs.
• Contribute to development process improvements and best practices.

Skills

Python

FastAPI

MongoDB

Templating Engines

AWS Lambda

AWS ECS

AWS SQS

PostgreSQL

Kubernetes

Education

Bachelor's or Master's degree in Computer Science or Engineering

Tools

PostgreSQL

MongoDB

Kubernetes

AWS Lambda

AWS ECS

AWS SQS

Templating Engines

Job description

CyberproAI in Poland seeks a Senior Backend Engineer to lead the design, development, and maintenance of scalable backend services. You will shape technical direction, mentor a talented team, and collaborate with cross-functional colleagues to deliver innovative features.

You will focus on high-performance systems, reliability, and security, driving best practices and solving complex technical challenges across the stack.