Hi, I’m
Lorena da Silva Guerini
Product Manager
Rio De Janeiro
Summary
Product Manager with over 7 years of experience in IT and product development, combining strong technical knowledge with business strategy to deliver impactful digital products. Proven track record managing remote, multicultural teams and driving product success through clear vision, data-driven decision-making, and agile project execution. Experienced in product lifecycle management, cross-functional leadership, and aligning roadmaps with business goals. Passionate about process improvement, scalable solutions, and customer-centric innovation.
Overview
8
years of professional experience
4
Certifications
3
Languages
Work History
TeaPayment LTD
Tech Manager / Product Manager
07.2022 - Current
Job overview
- Lead a multidisciplinary team of 11 (Product Managers, Developers, Designers, QA, Data Analysts) across 3 strategic products.
- Manage a portfolio of 20+ projects annually, aligning delivery with company OKRs and stakeholder expectations.
- Collaborate directly with the CTO, executives, and Sales to align product vision and delivery with business strategy.
- Develop and maintain product roadmaps, prioritize features based on user research, business goals, and technical feasibility.
- Implement agile frameworks across 5 squads, increasing team velocity by 20% and enhancing delivery consistency.
- Define and monitor KPIs, conduct retrospectives, and drive continuous improvement and efficiency.
- Contributed to architectural design discussions to improve system scalability and security.
- Coordinate remote team operations across multiple time zones, enhancing collaboration and delivery.
- Managed and motivated employees to be productive and engaged in work.
- Accomplished multiple tasks within established timeframes.
TeaPayment LTD
Quality Assurance Lead
01.2021 - 06.2022
Job overview
- Built and scaled the QA department, creating SOPs and integrating quality assurance across the development lifecycle.
- Acted as Scrum Master for 2 squads, leading daily ceremonies and sprint planning.
- Initiated and led process improvement initiatives that reduced production defects by 30%.
- Partnered with cross-functional teams to establish acceptance criteria, manage releases, and optimize testing.
- Reported directly to the CTO and supported technical documentation and training.
- Created requirements for milestones and monitored completion of tasks for QA team.
- Mentored junior team members in quality assurance best practices, fostering a culture of continuous improvement.
Ceptis (SICPA Group)
Quality & Compliance Analyst
01.2021 - 07.2021
Job overview
- Led QA efforts on hardware and software products, coordinating with the Swiss headquarters.
- Ensured regulatory compliance and process documentation for mission-critical systems.
- Collaborated with product and engineering teams to improve testing strategies.
- Implemented corrective actions to address identified non-compliance issues, ensuring continuous process improvement.
- Supported the implementation of new software tools aimed at improving data management related to quality assurance activities.
T2M Test to Market Ltda
Test Analyst
01.2017 - 05.2021
Job overview
- Provided QA consultancy to multinational companies including Zurich, Generali, and BTG Pactual.
- Oversaw full-cycle software testing: regression, usability, UAT, and performance testing.
- Defined and implemented quality standards, reporting bugs and improvements effectively.
- Managed stakeholder communication and ensured alignment on test outcomes and timelines.
- Reviewed all test cases and test scripts for quality and identified additional areas to review.
- Reduced production issues by implementing rigorous regression testing before each release.
Education
University of São Paulo (USP)Sao Paulo
MBA from Project Management
04-2023
University Overview
- 9 GPA
- Dissertation: Agile project management methodologies applied to fintechs
Federal Fluminense University (UFF)Rio De Janeiro
Bachelor of Science from Production Engineering
05.2001 - 01.2021
University Overview
- 8.4 GPA
- Dissertation: Analysis of Agile Frameworks for IT Project Management and Recommendations for Improvement
Skills
Product Management & Strategy
undefinedCertification
Lean Six Sigma Green Belt, Universidade Católica de Petrópolis, 2019
Additional Information
Available for remote opportunities globally. Open to freelance, full-time, and leadership roles. Passionate about mentoring, continuous learning, and building meaningful digital products.
Pronouns
she/her
Accomplishments
- Supervised team of +30 staff members.
- Achieved 30% more results by introducing agile methodologies.
- Resolved product issue through consumer testing.
- Collaborated with team of C-levels in the development of a brand-new marketplace for financial products
- Managed over four finance applications
Timeline
Tech Manager / Product Manager
TeaPayment LTD
07.2022 - Current
Quality Assurance Lead
TeaPayment LTD
01.2021 - 06.2022
Quality & Compliance Analyst
Ceptis (SICPA Group)
01.2021 - 07.2021
Test Analyst
T2M Test to Market Ltda
01.2017 - 05.2021
Federal Fluminense University (UFF)
Bachelor of Science from Production Engineering
05.2001 - 01.2021
University of São Paulo (USP)
MBA from Project Management
01.2023
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