Master in Computer Science
2009 – 2011
Clerton Araujo
senior full stack engineer · berlin, germany
DATASHEET
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Ten years of experience designing, building, and scaling high-quality software across startups and multinational corporations. Master's in Artificial Intelligence, Bachelor's in Computer Science.
Proficient in modern frameworks and cloud infrastructure. Passionate about delivering impactful, user-centric products in healthcare, fintech, and e-government domains.
Driven by a commitment to code quality, GDPR compliance, and systems that genuinely serve people — from 140M-visit banking portals to Germany's national telematic healthcare infrastructure.
DOMAINS
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Healthcare • Fintech • E-Government • Insurance • Digital Publishing • Public Sector
EXPERTISE
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FRONTEND
BACKEND
CLOUD & INFRASTRUCTURE
DATABASES
ARCHITECTURE & PRACTICES
かいしゃ
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Doctolib
Oct 2021 → Present
Senior Full Stack Software Engineer · Berlin
- Led technical scoping, translating complex requirements into actionable development plans.
- Reduced technical debt through best practices in test coverage, modularisation, and architecture.
- Designed and deployed security protocols ensuring GDPR and eHealth compliance.
- Led integration with Germany's national telematic infrastructure for healthcare interoperability.
stack → TypeScript · React · Ruby on Rails · PostgreSQL · Java · Spring · Docker · AWS · Datadog · Sentry
Issuu
Dec 2020 → Sep 2021
Full Stack Developer · Berlin
- Optimised user engagement and revenue in collaboration with marketing and product teams.
- Built and standardised internal Design System, improving UI consistency and dev efficiency.
- Integrated headless CMS, enhancing flexibility for content management.
stack → TypeScript · React · Node.js · Python · Elixir · OCaml · PostgreSQL · Docker · AWS
LQ Enterprise
Jul 2018 → Dec 2020
Senior Software Engineer · Berlin
- Delivered secure e-government solutions for the German public sector.
- Designed and launched an award-winning product contributing to company growth.
- Developed a multilingual platform (Farsi, Arabic, German, English), expanding user accessibility.
stack → TypeScript · React · .NET Core · PostgreSQL · Azure
Softplan
May 2017 → Jun 2018
Software Engineer · Florianópolis
- Developed mobile traffic ticketing system for Brazilian Police.
- Built a public service portal for Florianópolis City Hall.
- Created an attorney scheduling system for the Brazilian Government.
stack → React · React Native · Java · Scala · Node.js · Spring · MSSQL · Couchbase · Docker
Bradesco Bank
Nov 2016 → Apr 2017
Lead Software Developer · Curitiba
- Launched Brazil's first online insurance marketplace.
- Led development of geotracking app for real-time offers.
stack → Java · Spring · IBM WebSphere · MongoDB · Android · Swift
HSBC
Mar 2013 → Oct 2016
Senior Software Developer · Curitiba
- Developed fixed income operations for Private Banking clients.
- Implemented global online authentication strategy for HSBC Brazil.
- Maintained public web applications handling 140M+ visits annually.
stack → Java · Spring · IBM WebSphere · COBOL mainframe integration
EDUCATION
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Federal University of Pernambuco · Recife
Research: Semi-supervised algorithms for cancer gene expression analysis.
Bachelor in Computer Science
2004 – 2009
Federal University of Campina Grande · Campina Grande
TECHNICAL SKILLS
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Languages
Java · JavaScript · TypeScript · Python · Ruby · Scala · Elixir · OCaml · SQL · COBOL
Frameworks
React · React Native · Node.js · Ruby on Rails · Spring · .NET Core
Databases
PostgreSQL · MongoDB · Microsoft SQL Server · Couchbase
Cloud & DevOps
AWS · Azure · Docker · Kubernetes · Datadog · Sentry
Practices
Agile · CI/CD · Test Automation · System Design · GDPR · eHealth compliance
CERTIFICATIONS & AWARDS
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Certified Scrum Product Owner
2015
HSBC Team Awards
2015, 2016
Deutsch-Test für Zuwanderer (B1)
2020
CONTACT
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Clerton Araujo
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clertonfilho@gmail.com
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linkedin.com/in/clerton
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github.com/clertonraf
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Berlin, Germany