Full Stack (Python/Typescript) Software Developer

Cassini Technologies is looking for an ambitious Full Stack Software Developer. Because we operate in a regulated market, this role requires a candidate who values correctness, stability, and ability to create thorough documentation. We are proactive and pragmatic and prefer our colleagues that way. 

Your responsibilities: 

- Own changes end‑to‑end in the R&D lifecycle: design, implement, peer review, test, debug, document, and maintain technical documentation to company standards 

- Build reliable delivery 

- Collaborate cross‑functionally

Requirements: 

- 5+ years Python: Expert in heavily type-annotated codebases (Mypy) - 3+ years Backend: FastAPI, Pydantic, and SQLAlchemy/SQLModel 

- 3+ years Frontend: TypeScript, React.js, and Material UI 

- 3+ years working with Git - 3+ years in DB management 

- 1+ year in formal software design 

- 1+ year using Docker - Strong testing mindset 

- Experienced with automated testing and Git 

- Ability to write clear technical, architectural, requirement, and API documentation 

- Responsible use of AI assistants (Copilot/LLMs) 

- Proven remote collaboration 

- Bachelor’s degree in CS, Engineering, or relevant field

Preferences: 

- Experience with DICOM or HL7 protocols 

- End-to-end testing with Playwright and digital security protocols 

- Performance profiling and cross-platform development experience

Profile: 

- Collaborative, open minded and open to criticism 

- Strong organizational and time-management skills 

- Pragmatic and practical with an optimistic point of view