Senior FullStack Python & JS Developer -DEU

You maintain and improve existing services for data processing, data persistence and data transport via APIs. To scale up our software environment, you review, refactor and extend existing implementations. Additional software components are to be conceptualized and implemented to optimize our operations processes.

A broad set of technologies is involved: Web frontends (Flask, Jinja, Bootstrap), API interaction with external systems (REST), Publish/Subscribe based messaging (MQTT), continuous and event‑driven data processing, partially multi-threaded and/or concurrent and database operations.

Primary Responsibilities (include but are not limited to)

• Understand and maintain existing services; troubleshooting and bugfixing
• Optimize implementations for higher performance and robustness
• Refactor codebase, extract cross‑project dependencies to libraries
• Increase test coverage (Unit tests and integration tests)
• Interact with and embed external services, third‑party libraries
• Develop, deploy and maintain services for internal processes

Competencies & Personal Attributes

• Advanced python developer; write efficient, well‑understandable code
• Good understanding of concurrent processing and scalable applications
• Experience in writing PyUnit tests and integration tests; concept of mocking
• Confident usage of SQL and noSQL databases (MariaDB, Redis)
• Team‑player spirit with strong self‑learning abilities
• Good communication skills, good English level spoken and written

Qualifications and Education Requirements

• Min. 5 years of professional experience in object oriented programming
• Min. 4 years of professional experience with python

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Transportation, Logistics, Supply Chain and Storage

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