Rafael Polo
Senior Software Engineer — Platform, Data & AI
Basel, 4055, Switzerland rafael@extrapolo.com linkedin.com/in/rafaelpolo extrapolo.com
Portuguese (EU) · Brazilian — no work permit required 20+ years building production systems across Switzerland, Germany, Greece and Brazil Fluent English · German B1 TELC (3 yrs Berlin + 3 yrs Basel) · EU citizen, immediately available

P R O F E S S I O N A L E X P E R I E N C E

Swisscom
DevOps Engineer · Zürich, Switzerland
Modernization of mission-critical internal platforms & CI/CD pipelines for high-availability Telecom infrastructure.
EDGE Empower®
Senior Technical Lead · Baar, Switzerland · 2024 – 2025
Built a PayTool cutting processing time by 98%; reduced CI/CD pipeline from 14 → 4 minutes; managed 3 developers and a UX designer for a SaaS product.
ExtraPolo — Independent Consulting
Software Engineer & Consultant · Rio de Janeiro · Berlin · Athens · Lisbon · 2010 – 2022
40+ projects across civic tech, data journalism, open-source platforms and interactive installations for public and private clients.
Moedax Digital Services
Founder & CTO · Lisbon · Rio de Janeiro · 2018 – 2021
Fintech startup connecting CBDC digital currency with KYC compliance automation; built data pipelines and banking integrations in Python.
GFOSS.eu / Code + Create
Web Programming Teacher · Athens, Greece · 2017 – 2018
Taught web programming (HTML, CSS, jQuery) to refugee and local youth through the EU-funded Code + Create initiative.
Tactical Tech Collective
Full-Stack Web Architect · Berlin, Germany · Dec 2014 – Jun 2016
Built investigative data tools and platforms under the Exposing the Invisible team (Ruby on Rails, data visualisation).
Trommsdorff + Drüner
Full-Stack Engineer · Berlin, Germany
Innovation team — Business Intelligence dashboards for marketing consultancy clients.
Cortex Intelligence
Developer · Rio de Janeiro, Brazil
Competitive Intelligence and Data Mining R&D team.

E D U C A T I O N

Postgraduate in Data Science for FinanceNOVA IMS Information Management School, Lisbon — 2021
Master in Information SystemsPPGI/UNIRIO — Knowledge Representation & Reasoning — 2010–2012
Bachelor in Computer ScienceMetodista Bennett, Rio de Janeiro — 2004–2009

L A N G U A G E S

Portuguesenative
Englishfull professional
Spanishfull professional
GermanB1 — TELC certified · 3 yrs Berlin + 3 yrs Basel

C E R T I F I C A T I O N S

T E C H S K I L L S

Languages & FrameworksPython · Ruby on Rails · TypeScript · React · Java
DevOps & InfraDocker · Kubernetes · CI/CD · AWS · Linux · Git
Data & AISQL · ETL · Data Engineering · RAG · LangChain · LLM integrations · Data Science
ArchitectureREST APIs · MVC · OOP · UML · System Design · Web Crawling & Scraping
References available upon request · CV updated May 2026