
Erisvelton Tavares
Senior IT Business Analyst | Data & Software
Salary / Daily rate
Geneva, Switzerland
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Senior IT Business Analyst & Data Scientist with 15+ years across pharmaceuticals, oil & gas, and luxury industries. Proven expertise in building ML models, global BI dashboards, and data governance solutions for companies like Roche, Lonza, and GSK. Transform complex data into strategic insights with expertise in SAP, Python, Tableau & Machine Learning.
Work experience
Data Scientist
AliveDx
May 2025 - Present
1 year 6 months
1262 Eysins, Switzerland
• Develop and implement data visualization strategies to effectively communicate complex data. • Combine various data sources to create comprehensive and user-friendly visual reports. • Collaborate with cross-functional teams to understand data needs and requirements. • Ensure the accuracy and integrity of data visualizations. • Provide insights and recommendations based on data analysis.
Bio SC Drug Substance Senior IT Business Analyst
LonzaFreelance
Jan 2024 - Jul 2024
7 months
3930 Visp, Switzerland
o Dashboard and KPI’s: o Connect multiple sources of data using SAP, Power BI, SAP BW, and other tools to publish reports and KPIs o Project Manager: Create Machine Learning Models for process optimization o Conducts interviews to gather business requirements/needs via workshops, questionnaires, surveys, site visits, workflow storyboards, use cases, scenarios, and other methods. o Identifies and establishes scope and parameters of requirements analysis to meaningful new business tools o Translates conceptual requirements into functional requirements in a clear manner that is comprehensible to project team. o Perform testing and quality assurance to ensure data reliability o Define reporting and alerting governance model and report performance o Research, review, and analyze the effectiveness and efficiency of existing requirements-gathering processes and develop proposal for enhancing or further leveraging business performances o Develop and conduct peer reviews of the business requirements to ensure that requirement specifications are correctly interpreted. o Assists with interpreting requirements into feasible options, and communicates these back to the business stakeholders. o Creates process models, specifications, diagrams, and charts to provide direction to developers o Manage and track the status of requirements throughout the project lifecycle; enforce and redefine as necessary. o Develop relationships with partners, working with them to optimize and enhance systems integration o Report on common sources of technical issues or questions and make recommendations to key stakeholders o Communicate key insights and findings to all organizational layers o Constantly be on the lookout for ways to improve monitoring, discover issues and deliver better value to the business o Build and effectively manage diverse stakeholders/teams to enhance Lonza’s global competitiveness o Reduce complexity to drive process improvements and efficiencies using a governance model.
Senior IT Business Analyst / Software/BI Product Owner
Roche Diagnostics Europe
Nov 2022 - Oct 2023
1 year
Basel Metropolitan Area
Life science industry, in particular, R&D environments. Delivering scientific data analysis and reporting for end-users. Providing software IT-focused usage and operational insights (KPIs). Product Owner: Chemistry software products: chemical equations, structures, structures, shapes, and graphics used in chemistry, physics, and biology laboratories. Product Owner: Biochemical analytics solutions: collecting requirements to build analytics dashboards (antibody workflow) from scratch. Business analysis and requirements engineering in a globally distributed Scrum team. Requirements engineering and Business analysis in collaboration with business SMEs working at different locations in Europe and the US. Collaboration with other teams to integrate the software system with other applications to realize the digital lab of the future. Requirements gathering and specification as features and clearly written features, user stories, and tasks. Mapping various processes from multiple projects. Manage workshops with business stakeholders from different global units. Impact assessments of new product releases provided by the vendor. Managing vendor relationships. Technical analysis of requirements with technical lead, solution architect, and developers Support of validation lead and test manager to ensure the validation of the software Support and close collaboration with product owners, product manager Preparation of features for quarterly program increment planning Coordination with other teams in the Agile release train Understanding new concepts and working with cross-functional and cross-cultural teams Working on Agile mindset, in particular, Scrum and SAFe frameworks Exposure to validated computer systems Working with SAAS solutions, cloud-based web applications, and laboratory information MGT systems Tools: R, Python, SQL, gSheets, gDocs, miro, Code Beamer, Tableau, Spotfire, databases (scientific data: biochemistry, chemistry, biology…), etc.
Senior Business Analyst / Project Lead External
Roche
Apr 2020 - Oct 2022
2 years 7 months
Basel Metropolitan Area
Data & Analytics Specialist (EU & US) providing critical reporting/data analytics and testing capabilities, working closely with global multi-disciplinary agile teams to solve complex data problems, transforming data into actionable insights. Partnering with IT and business stakeholders to co-create data and analytics. Metadata management. Process improvement. Data & analytics training and workshops. Creating global business intelligence dashboards (big data) from scratch for reporting purposes. Generating insights from data, enabling to optimize of business performance. Providing strategic direction and assisting IT Business Partners with prioritization and mobilizing resources to address data and analytics opportunities. Identifying business opportunities and working with business and informatics partners to proactively architect, design, prototype, and deliver data and analytics products. Ensuring data-driven analytics solutions are integrated into the wider Pharma Informatics. System Landscape. Supporting business analysis to ensure reporting requirements represent the needs of the business users: data architecture, data modeling, and big data project management. Code of Connection management (IT permissions contract management). Oracle SQL developer, DQL, RDBMS, gSheets/gDocs (collaboration), Java, Data Studio, Google Analytics, Confluence, Jira, Informatica, Spotfire, Tableau, T-SQL, R, Python, Excel (Vlookups, VBA, Pivot Tables), OpenText, Agile processes, data-driven development, reliability, and database reporting, query tools, data analytics, bots, API, REST, pharmaceutical systems (i.e. Clinical Trial Management Systems, Drug Safety, EDC), translating complex business requirements into relevant solutions. Business systems analysis and analytics exposure with various types of Software Development Life Cycle methodologies and technologies.
Business Analyst
Richemont
Jan 2019 - Dec 2020
2 years
Geneva Area, Switzerland
Business Analysis / Big Data / Data Mining / Data Modeling / Data Process / Analytics/ SAP / BI / ERPs / Master Data Management / Coding / Data owner / Training-Workshops. Interacting with several stakeholders across functions and countries about Big Data Management, Business Analytics and creating Global Data Governance. E-commerce analytics, data modeling, data migration, competion analysis, data governance, data cleansing, data workshops, metadata management, data integration & finance SC analysis on investments. SAP, ERPs (multiples), RDBMS, SAC, POWER BI, Tableau, Tableau Prep, SQL, Sheets, Excel, MS Visio, VBA, MS solutions.
Supply & Data Solutions Consultant
Independent Consultant
Jan 2018 - Dec 2019
2 years
1422 Grandson, Switzerland
Providing consultancy services for petrochemicals sector (trading, distribution, chemicals manufacturing) and data analysis for the pharmaceutical industry.
Portfolio Data Analyst
GSK
Jan 2018 - Dec 2018
1 year
1260 Nyon, Switzerland
Support Global Innovation and Geographical Expansion. PO/GMIP cross functional team member working with global SC manufacturing to improve data compliance. Perform cross-brands analyses, providing deeper insights on the data available. Creating master databases, assigning global manufacturing supply routes for optimization. Owner of all product and supply sourcing big data. Cleaning/Interpret data provide analyses on logistics costs, processes improvement, highlighting KPI’s. IT: SAP/APO, RDBMS, Tableau, R, SharePoint, Excel (Pivot Table, VlookUp, etc), VBA, SQL, Dashboards, ERPs (myPSR).
Supply Consultant
Puma Energy
Jan 2017 - Dec 2018
2 years
Geneva Area, Switzerland
• Performed end-to-end market supply feasibility and risks analysis for multi-million power generation overseas project, where I achieved 100% success on expected results. • Traded (gasoline, diesel, ethanol) for fuel distributors. • Developed clients and suppliers relationships in the wholesale energy market (diesel supply) for long term contracts of power generation. • Managed supply contracts and advised senior management on power generation opportunities. • Operations: Liaised with govt. agencies and inspected ports, barges, ships and storage.
Database Consultant
Endologix, Inc.
Jan 2013 - Dec 2014
2 years
Geneva Area, Switzerland
Provided Administrative and IT solutions (databases and data science) to a multinational in the Medical Devices industry, with clients (hospitals and physicians) across multi geographical regions: EU, USA, LATAM, Asia.
Shipments Coordinator
CAPITAL LOGISTICS
Jan 2008 - May 2009
1 year 5 months
Latin America, Asia and Europe
I coordinated Intermodal/ Multimodal shipments in Asia, Europe and Americas from A to Z, mainly dry bulk and containers shipments for a multinational shipping company with international offices in Los Angeles, Miami, Europe and Asia. • Managed/Issued average 50 new/daily worldwide shipments by Air & Sea (dry cargo and container ships) • Ensured collateral by proper preparation/analysis of contracts, trade agreements, L/C, invoices, guarantees. • Liaising with Banks, Clients and Government. Performed counter measures in case of deviations. • Managed/Issued shipping documents (B/L, P/L, Invoices) related to transactions in China, USA and Europe. • Follow up shipments and payments, demurrage, Credit/Debit note. Negotiated rates and quotations. • Contributed to the transition of physical files to digital, which enhanced client’s satisfaction by 100%. Contracts Shipped: Agriculture, food, chemicals, spare parts, industrial, electronics, computers, and automobiles. Exposure to International Contracts: Incoterms (2010 trained), Invoices, B/L, Credit/ Debit notes, Letters of Credit (UCP 600 trained), ISBP, SBLC, Inspections, DGR, Origin/Quality/Insurance Certificates, Customs Clearance, Demurrage. MATERIALS TRADED AND COORDINATED IN SHIPMENTS: Industrial, electronic comp., computers & accessories, automobiles, chemicals, alimentary substances, agriculture, maintenance and spare parts. Working language: English, Spanish and Portuguese. IT: Excel advanced and shipping systems http://www.capital-corp.com/en
Senior Project Buyer
Wärtsilä
Jan 2006 - Dec 2007
2 years
10060 America TO, Italy
I managed the acquisition of raw commodities and services for a construction/operation of three large power plants and assisted a team of engineers for a Scandinavian company, which is a global player in Oil & Gas/Marine/Energy. MATERIALS TRADED AND COORDINATED IN SHIPMENTS: Steel, aluminium, iron, industrial, electrical, hydraulic, mechanical, electronic comp., computers & accessories, chemicals, maintenance and spare parts. IT: MS office (Excel advanced), Presentations (KPI's report, projects). Working language: English, Spanish and Portuguese http://www.wartsila.com/
Education
HES-SO University of Applied Sciences and Arts Western Switzerland
Master of Science HES-SO in Information Science
2021 - 2024
4 years
HEG
Bachelor of Science HES-SO in Business Administration, Commodity Trading
2011 - 2015
5 years