j
joao_cypriano

Joao Cypriano

@joao_cypriano

Data Engineer: Python, SQL and Data Quality

Portugal
Inglês, Português, Italiano
Algumas informações são exibidas no idioma inglês.
Sobre mim
Messy files and unreliable data slow down your business. I bring 5+ years of data engineering experience to cleaning, validating and preparing data you can use with confidence. My background includes Python, SQL, Spark, cloud data pipelines and automated quality checks. Services focus on CSV and product-file cleanup: consistent formats, duplicate checks, validation and a clear record of changes. You receive a prepared file, an exceptions list and practical handover notes. Send a small sample and your target format so we can confirm the scope before ordering.... Saiba mais

Habilidades

j
joao_cypriano
Joao Cypriano
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Limpeza de Dados
I will clean and validate your product CSV against your import template
A partir deUS$ 25 /projetoMais detalhes
Teste de software
I will test your website journeys and report bugs with screenshots
A partir deUS$ 30 /projetoMais detalhes

Portfólio

Experiência profissional

Closer

Senior Data Engineer

Closer • Período integral

May 2024 - Present • 2 yrs 4 mos

Responsible for implementing, fixing, and optimizing of financial data pipelines, as well performing analytics tasks, for a top 4 sovereign wealth fund using Spark within Palantir Foundry with a Data Mesh architecture design. During this time, we were able to reduce pipeline running times and costs from 20% to 80%, by working closely with other data engineers, business stakeholders and analysts. Also contributed by implementing data quality checks for core datasets, to ensure integrity and detect unexpected changes or corruption.