Available to hire
I am Alexander Dekker, an experienced AI Agents Developer and Data Consulting professional with a strong background in business intelligence, automation, and data engineering. Skilled in advanced technologies and tools such as Power BI, Alteryx, Databricks, and Google Cloud Platform, I specialize in creating AI-driven solutions, fine-tuning large language models, and managing complex data projects efficiently.
With a global perspective stemming from my German-Brazilian background, I have contributed extensively across various sectors including financial services, technology marketing, and automotive industries. I enjoy leveraging agile methodologies and design thinking to deliver impactful, innovative solutions while continuously advancing my skills in cloud data engineering, AI, and SEO strategies.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
Portuguese
Fluent
English
Fluent
German
Intermediate
Spanish; Castilian
Intermediate
Work Experience
AI Automation Engineer at Simões Advogados (Brazil)
July 1, 2025 - August 27, 2025Developed AI automation solutions using Python and various AI frameworks including Lang Chain, transformers, and OpenAI APIs. Specialized in fine-tuning large language models such as Falcon40B, implementing retrieval augmented generation (RAG) techniques, and managing projects with Agile Scrum and Kanban methodologies. Engaged in business analysis using BPMN, Design Thinking to optimize client solutions.
AI Automation Engineer at Simões Advogados
July 1, 2025 - August 27, 2025As a Freelance AI Automation Engineer, I captured and documented business requirements, led requirement sessions, and managed stakeholder approvals. I designed and deployed intelligent automation workflows using LLMs and no-code tools like N8N to streamline legal processes. Developed customer service bots, document generation, appointment scheduling, and email automation integrating ChatGPT, Manus, and Retrieval-Augmented Generation architecture. Created and trained AI agents using prompt engineering and incorporated ElevenLabs for dynamic voice messages tailored to legal client onboarding.
SEO Strategist at "Confidential Auto Dealer" (Germany)
June 30, 2025 - August 27, 2025Managed SEO strategies utilizing tools such as SEMrush, Screaming Frog, and Google Analytics 4, enhancing CTR and local SEO optimization. Integrated content mapping and prompt engineering with ChatGPT to improve search performance for automotive marketplace Mobile.de and other platforms.
SEO Strategist at "Confidential Auto Dealer"
June 30, 2025 - August 27, 2025Led a full-scale SEO and digital visibility initiative for a multi-brand car dealership in Germany. Conducted comprehensive technical SEO audits and restructured content on Mobile.de using targeted keywords and commercial terms. Rewrote and localized German website sections embedding SEO/SEA keywords and implemented scalable SEO templates and performance monitoring frameworks supporting web and social channels to increase organic search ranking and engagement.
Senior Power BI Data Transformation and Dashboard Developer at Codeitlabs GmbH (Germany)
February 28, 2025 - August 27, 2025Led data transformation and dashboard development using Power BI, SAP BusinessObjects, and SQL. Automated batch processing with Airflow and scripting in Java and Bash. Delivered business analysis with design thinking applying Agile methodological frameworks such as Scrum and Kanban.
Senior Power BI Data Transformation and Dashboard Developer at Codeitlabs GmbH
February 28, 2025 - August 27, 2025Served as a freelancer Power BI developer and Business Analyst gathering and documenting requirements. Developed interactive dashboards using SAP BusinessObjects and migrated Tableau dashboards to Power BI to enhance usability and performance. Designed financial and sales dashboards for e-commerce enabling real-time strategic control and data-driven decisions.
Data Transformation and Dashboard Developer at Cyient-Celfinet allocated in Vantage Towers GmbH, Düsseldorf, Germany
November 30, 2024 - August 27, 2025Focused on Power BI, Python data science tools, Salesforce, and Alteryx for data cleansing and ETL pipelines. Employed GCP (Google Cloud Platform), Google BigQuery, and Databricks for data warehousing and lineage. Managed projects using Jira and Confluence under Agile Scrum and Kanban frameworks.
Data Project Manager and Power BI Developer at Cyient-Celfinet / Vantage Towers GmbH
November 30, 2024 - August 27, 2025Designed and implemented scalable ETL workflows, data extraction, and data warehousing solutions supporting analytical insights and business intelligence. Developed over 40 interactive Power BI dashboards and 10 Excel dashboards for operational reporting. Led ETL processes integrating Google Cloud Platform, Salesforce, and Databricks using Alteryx, Apache Airflow, BigQuery, and Python. Architected the Power BI platform ensuring security and governance. Documented business and technical layers using Archimate 3.0.
Technology Marketing Manager - Tracking & Data Engineering Process at Rebuy GmbH, Berlin, Germany
October 31, 2022 - August 27, 2025Directed marketing technology operations involving Power BI, Google Ads, Snowflake, and GCP. Automated batch processing with Airflow and ETL/ELT pipelines using Databricks. Ensured data quality and compliance with GDPR and LGPD regulations while applying design thinking and Agile methodologies.
Technology Marketing Manager at Rebuy GmbH
October 31, 2022 - August 27, 2025Led data extraction, ETL automation, and data engineering to optimize marketing performance for a used electronics resale platform. Designed scalable data pipelines using Databricks, Snowflake, Apache Airflow, and Pandas. Automated Google Ads workflows and managed ad pixel integration. Generated documentation and aligned pipelines with strategic marketing insights using Archimate 3.0 frameworks.
Senior Web Data Engineer and BI Dashboard Developer at ClippingBox, Koblenz, Germany
March 4, 2022 - August 27, 2025Developed business intelligence dashboards with Power BI, managed e-commerce analytics with Google Ads and Google Analytics. Utilized Python, MongoDB, and data warehousing in Snowflake and Google BigQuery. Worked on data lineage and data quality assurance applying Kanban project management.
Senior Web Data Engineer and BI Dashboard Developer at ClippingBox
March 4, 2022 - August 27, 2025Led data engineering initiatives enhancing e-commerce performance and product launches. Developed automated ETL workflows using Airbyte and Apache NiFi and managed data pipelines integrating Databricks, Snowflake, and Apache Airflow. Optimized PPC and email campaigns with A/B testing and tracking systems. Built Looker and Power BI dashboards supporting data-driven decisions. Documented projects with Archimate 3.0.
Senior Business Analyst, Data Management, Data Project Manager, Data & AI Engineer at EY - Ernest Young
February 29, 2020 - August 27, 2025Led data governance, analytics, and regulatory compliance projects in financial institutions. Designed ETL workflows integrating cloud and on-prem systems including AWS and big data platforms, developing centralized Data Warehouse matrices. Managed major governance and analytics programs including Banco do Brasil Data Governance and Basel Committee compliance projects. Documented solutions with Archimate v21 and aligned business and technology layers.
Business Analyst, Data Management, Data Project Manager, Data & AI Engineer at EY - Ernest Young, Sao Paulo, Brazil
January 1, 2020 - August 27, 2025Led data governance, business analysis, and AI engineering projects using AWS, Apache Spark, Python ML libraries, and Power BI. Managed batch processing workflows with Airflow. Delivered regulatory, risk reporting and cross-border projects while applying DAMA, BABOK, and Agile Scrum.
Senior Business Analyst and IT Project Manager at Bank of America, Sao Paulo, Brazil
March 31, 2018 - August 27, 2025Handled requirements gathering, project planning, and business analysis for banking and core systems. Utilized tools like Microsoft Project, SharePoint, advanced Excel, and Visio. Supported regulatory compliance across cross-border initiatives involving USA and Brazil.
Senior Business Analyst and IT Project Manager at Bank of America
March 31, 2018 - August 27, 2025Managed IT projects ensuring compliance with Brazilian regulations. Implemented balance freezes for legal proceedings and overhauled credit/debit card clearing processes. Coordinated cross-functional teams across Brazil and USA. Applied requirements gathering, project management, backlog management, and integration using various modeling and documentation techniques.
Senior IT Business Analyst at Rabobank, Sao Paulo, Brazil
December 30, 2015 - August 27, 2025Managed requirement elicitation, project planning, and documentation with a focus on banking and regulatory systems. Developed BRDs, UML diagrams, and conducted UAT testing. Supported cross-border initiatives between Netherlands and Brazil.
Senior IT Business Analyst at Rabobank
December 30, 2015 - August 27, 2025Gathered business requirements for regulatory reporting and managed migration of reports to a Big Data platform. Developed custom interfaces for compliance and coordinated teams across Brazil and Netherlands for timely delivery. Applied various documentation and elicitation techniques and tools for project management and compliance.
Data Engineering Governance, Senior IT Business Analyst and IT Project Manager at Deutsche Bank, Sao Paulo, Brazil
December 31, 2013 - August 27, 2025Oversaw data governance and IT business analysis for regulatory, risk management, and trading platforms. Applied Agile Scrum and Waterfall methodologies managing outsourcing and cross-border projects with Mexico, India, and Brazil.
Data Engineer Governance, Senior IT Business Analyst and IT Project Manager at Deutsche Bank
December 31, 2013 - August 27, 2025Led data management and strategic initiatives in capital markets, treasury, and trading systems. Managed regulatory compliance projects including IFRS/GAAP reporting, AML and KYC. Coordinated cross-border teams delivering big data market systems and enhancements for trading operations and settlements. Used Agile and traditional project management methodologies with extensive documentation and governance frameworks.
Data Engineer, IT DEV Leader, IT BA Team Leader and IT Program Manager at HSBC Bank, Sao Paulo, Brazil and Vancouver, Canada
December 31, 2009 - August 27, 2025Led data engineering and IT business analyst teams managing projects in treasury, risk models, and internet banking platforms. Worked on regulatory compliance including AML, KYC, and Basel III. Coordinated multi-country initiatives between Mexico, India, Canada, and Brazil.
Data Engineer, IT DEV Leader, IT BA Team Leader and IT Program Manager at HSBC Bank
December 31, 2009 - August 27, 2025Led teams of business analysts and managed technical project execution across front-office and back-office banking systems. Delivered projects in treasury, internet banking, mobile banking, trading platforms, and regulatory compliance. Spearheaded HSBC’s first Latin America data warehouse and established data governance frameworks. Managed automation in data processes and integrated systems for operational efficiency and financial risk management.
Education
Postgraduate Degree in AI Agents and Prompt Engineering at DATA SCIENCE ACADEMY, Sao Paulo, Brazil
March 1, 2025 - August 30, 2026Master degree in Finance Quantitative at FGV – FUNDACAO GETULIO VARGAS, São Paulo, Brazil
August 1, 2016 - August 1, 2018Postgraduate Executive MBA in Project Management at IBMEC, Rio de Janeiro, Brazil
January 1, 2007 - August 31, 2008Bachelor's degree in IT Systems Analysis at PONTIFICIA UNIVERSIDADE CATOLICA DO PARANA, Curitiba, Brazil
January 1, 1995 - December 31, 1999Postgraduate Degree (Ausbildung) in AI Agents and Prompt Engineer at DATA SCIENCE ACADEMY, Sao Paulo, Brazil
March 1, 2025 - August 30, 2026Master degree in Finance Quantitative at FGV – FUNDACAO GETULIO VARGAS, São Paulo, Brazil
August 1, 2016 - August 1, 2018Postgraduate Executive MBA in Project Management at IBMEC, Rio de Janeiro, Brazil
January 1, 2007 - August 31, 2008Bachelor's degree in IT Systems Analysis at PONTIFICIA UNIVERSIDADE CATOLICA DO PARANA, Curitiba, Brazil
January 1, 1995 - December 31, 1999Qualifications
Certified Business Analysis Professional™i
January 11, 2025 - August 27, 2025Certified Data Management Professionals (CDMP) GIPMC
May 1, 2024 - August 27, 2025Professional Data Engineer Certification (GCP)
May 1, 2024 - June 30, 2026Databricks Certified Data Engineer Professional
March 1, 2024 - August 27, 2025Cloud Digital Leader Certification
March 1, 2024 - February 28, 2027PMP (Renewing PMP certification)
March 1, 2024 - March 31, 2027Certified Business Analysis Professional™iIBA- International Institute of Business Analysis™
January 11, 2025 - August 27, 2025Certified Data Management Professionals (CDMP) GIPMC
May 1, 2024 - August 27, 2025Professional Data Engineer Certification (GCP)
May 1, 2024 - June 30, 2026Databricks Certified Data Engineer Professional
March 1, 2024 - August 27, 2025Cloud Digital Leader Certification - Project Management Institute
March 1, 2024 - February 28, 2027PMP (Renewing PMP certification) - Project Management Institute
March 1, 2024 - March 31, 2027Industry Experience
Financial Services, Professional Services, Software & Internet, Retail, Telecommunications, Transportation & Logistics
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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