Maria Santos

Backend Developer

PythonREST APIsData Engineering

About

Maria is a backend developer specialising in Python and API integration. She has broad experience with data pipelines, serialisation formats, and building reliable server-side services. She is an active member of the Python community and enjoys writing practical, example-driven guides that help developers solve real problems without unnecessary theory.

Articles by Maria Santos

JSON Formatter Python — json.dumps() GuidePython

Format JSON in Python using json.dumps(indent=4). Covers pprint, orjson, sort_keys, ensure_ascii, json.tool CLI, and streaming. Python 3.8+ examples.

JSON Formatter·2026-03-10

Base64 Decode Python — b64decode() GuidePython

Decode Base64 in Python using base64.b64decode(). URL-safe decoding, padding fixes, file handling, and common mistakes. Python 3.8+.

Base64 Decode·2026-03-13

Base64 Encode Python — b64encode() GuidePython

Encode to Base64 in Python using base64.b64encode(). Covers URL-safe encoding, Unicode strings, file and API responses, CLI, pybase64, and common mistakes.

Base64 Encode·2026-03-13

Generate UUID v4 in Python — uuid.uuid4()Python

Generate UUID v4 in Python with uuid.uuid4(). Covers UUID attributes, validation, JSON serialization, Pydantic, bulk generation, and uuid-utils. Python 3.8+.

UUID v4 Generator·2026-03-14

JSON to CSV Python — DictWriter + pandas ExamplesPython

Convert JSON to CSV in Python using csv.DictWriter and pandas json_normalize. Covers nested JSON, streaming with ijson, CLI one-liners, and mistakes.

JSON to CSV·2026-03-20