Senior Backend Engineer: Python, APIs & Optimization

Expereo International; Katowice; Hybrid; PLN 50,000 - 80,000; Full time

Benefits offered by this job

Competitive compensation

Pension Plan

Hybrid Working

25 Days Holidays

Job summary

Expereo International is looking for a Backend Developer in Katowice to enhance their Supplier onboarding and Quote Management teams. You will work daily with Python and C# to build services and solve real-world challenges like optimization and partner integrations. Responsibilities include implementing business logic, designing APIs, and maintaining code quality in a mixed-language environment. The position offers competitive compensation, a pension plan, hybrid working, and opportunities for career growth.

Qualifications

• Proficient in writing clean, tested, reusable code in Python.
• Experience designing and maintaining REST APIs with clear contracts.
• Familiarity with cloud infrastructure services like AWS.

Responsibilities

• Implement and maintain business logic for quote engine.
• Define and manage API contracts, ensuring reliability.
• Refactor existing code to meet production engineering standards.

Skills

Advanced Python

API design and implementation

Software engineering discipline

Mixed-language codebase ability

Tools

C#

AWS services

API specification tooling (OpenAPI/Swagger)

Job description

Expereo International is looking for a Backend Developer in Katowice to enhance their Supplier onboarding and Quote Management teams. You will work daily with Python and C# to build services and solve real-world challenges like optimization and partner integrations. Responsibilities include implementing business logic, designing APIs, and maintaining code quality in a mixed-language environment. The position offers competitive compensation, a pension plan, hybrid working, and opportunities for career growth.