Senior FullStack Python & JS Developer -DEU

Cryoport Systems is the life science industry’s most trusted provider of supply chain solutions for temperature-sensitive materials, serving biopharmaceutical, IVF and surrogacy and animal health organizations around the world. Cryoport Systems' proprietary Cryoport Express® shippers, Cryoportal® Logistics Management Platform, leading-edge Smartpak™ Condition Monitoring System and geo-sensing technology paired with unparalleled logistics expertise and 24/7/365 customer support, make Cryoport Systems the end-to-end temperature controlled supply chain partner that you can trust. Position SummaryYou 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 bugfixingOptimize implementations for higher performance and robustnessRefactor codebase, extract cross-project dependencies to librariesIncrease test coverage (Unit tests and integration tests)Interact with and embed external services, third-party librariesDevelop, deploy and maintain services for internal processes COMPETENCIES & PERSONAL ATTRIBUTESAdvanced python developer; write efficient, well-understandable codeGood understanding of concurrent processing and scalable applicationsKnowledge about common data exchange concepts, e.g. REST, MQTTExperience in writing PyUnit tests and Integration tests; concept of mockingConfident usage of SQL and noSQL databases (MariaDB, Redis)(Debian) Linux CLI usage; Docker; Git version control systemTeam-player spirit with strong self-learning abilitiesGood communication skills, good English level spoken and written Qualifications And Education RequirementsMin. 5 years of professional experience in object oriented programmingMin. 4 years of professional experience with python