Espeo Software

Senior Python Developer – Freelancer

Espeo Software

contract

Posted on:

Location Type: Remote

Location: Remote • 🇵🇱 Poland

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Salary

💰 PLN 140 - PLN 175 per hour

Job Level

Senior

Tech Stack

DjangoDockerFlaskMongoDBMySQLNoSQLPostgresPythonSQL

About the role

  • Design, develop, and maintain backend systems and services using Python
  • Build robust, scalable, and maintainable APIs and integrations
  • Collaborate with product managers, frontend developers, and other engineers to deliver high-quality solutions
  • Write clean, efficient, and testable code following best software engineering practices
  • Optimize application performance and ensure system reliability and scalability
  • Participate in architectural discussions and contribute to key technical decisions
  • Review code, provide mentorship
  • Ensure proper documentation and testing of all developed features
  • Work with CI/CD tools and contribute to automation and deployment improvements

Requirements

  • 5+ years of experience as a Python Developer or in a similar backend engineering role
  • Excellent knowledge of Python 3.x and its ecosystem
  • Hands-on experience with at least one web framework (e.g., Django, Flask, FastAPI)
  • Solid understanding of RESTful APIs design and implementation
  • Experience with databases (SQL and/or NoSQL — e.g., PostgreSQL, MySQL, MongoDB)
  • Strong understanding of software architecture, OOP, and design patterns
  • Familiarity with testing frameworks (e.g., pytest, unittest)
  • Proficiency with Git and experience working in collaborative development environments
  • Understanding of containerization (Docker) and modern deployment practices
  • Excellent analytical and communication skills.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
PythonDjangoFlaskFastAPIRESTful APIsSQLNoSQLPostgreSQLMySQLMongoDB
Soft skills
collaborationmentorshipanalytical skillscommunication skills
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