Stefanini Brasil

Analyst

• Perform troubleshooting with experience in Networks: Firewalls (Fortinet/Palo Alto), Switches (Cisco/Ruckus), and Controllers/APs (Aruba);
• Printers: Thermal and Laser;
• Microsoft Windows: error analysis, configurations, and software installations;
• Responsible for opening technical tickets with vendors for issues that cannot be resolved remotely and for providing remote support to Mercado Libre Distribution Centers;
• Incident and request management to ensure SLA compliance - Jira ITSM and management of Critical Incidents.

Network Analyst, Mid-level

• Develop and execute automated and manual testing strategies covering functional, regression, UI, performance, security and integration testing;
• Use and apply advanced knowledge in frameworks such as Selenium WebDriver, Cypress, Robot Framework, Playwright, JUnit and PyTest;
• Plan the creation and maintenance of test environments, ensuring continuous integration and adherence to DevOps best practices;
• Analyze test metrics and results, identifying risks and proposing improvements to optimize processes and system quality;
• Provide technical leadership to the team, mentoring and training members in the development and execution of robust test plans;
• Collaborate with development teams and stakeholders to align expectations and ensure the delivery of high-quality solutions;
• Actively participate in agile methodologies (Scrum or Kanban), contributing to continuous improvement of processes and project integrity.

Senior Test Analyst

Product Manager

• Gather, organize, and prioritize requests with business areas and stakeholders, keeping the backlog consistently up to date and well-structured.
• Serve as product owner, defining the product vision, objectives, and direction for evolution.
• Write and detail epics, features, and user stories with clear, objective acceptance criteria.
• Lead agile rituals (refinements, planning sessions, reviews, and alignments), ensuring clarity, predictability, and a focus on value.
• Ensure team alignment with priorities, roadmap, and deadlines, proactively managing risks, dependencies, and impediments.
• Work in partnership with UX/UI, Engineering, Data, and stakeholders to support decisions based on data, evidence, and feedback.
• Contribute to the evolution of processes, governance, and product best practices, supporting the maturity of the management model.
• Define and maintain OKRs (financial coverage, lead time, non-conformities, SLOs).
• Govern data quality: pending/alert policies, NF/OS reconciliation (invoices/service orders), and audit trails.
• Conduct continuous discovery with the Construction Team, FP&A, Controllership, and Operations.
• Prepare operational readiness: support, internal SLAs, feature flags, and release rollback plans.

Product Owner

Full-stack Engineer

• Develop, test, and deploy complex applications that integrate AI solutions across multiple system layers;
• Collaborate with data teams and stakeholders to understand and implement technical requirements related to AI and application features;
• Perform performance optimizations and maintain applications using software architecture best practices and clean coding standards;
• Monitor AI trends and propose innovations that add value to the company’s products and services;
• Contribute to technical documentation and knowledge sharing within the team, fostering a collaborative environment and continuous learning.

Full Stack Developer

Software Engineer

• Development, maintenance and support of applications.
• Implementation and optimization of data load and transformation processes.
• Creation of queries to support reports and analytical dashboards for decision-making.
• Analysis and resolution of performance issues in queries and database processes.

Senior SQL Server Developer – T-SQL

• Assist in the maintenance and development of web applications, ensuring they function correctly and meet functional requirements;
• Collaborate with the team to learn best development practices and participate in implementing new features;
• Perform manual testing and assist in documenting code and developed features;
• Contribute to troubleshooting and improvements of existing systems, always under the guidance of more experienced colleagues;
• Participate in team meetings and provide ideas and feedback on ongoing projects.

Junior Full Stack Developer

DevOps Engineer

• Design and implement robust, scalable CI/CD architectures, leading the adoption of tools such as GitLab and ArgoCD.
• Define standards and best practices for creating Dockerfiles and managing project dependencies.
• Administer, maintain, and optimize Kubernetes clusters on OKE (Oracle Container Engine for Kubernetes) in production environments.
• Lead the development of Infrastructure as Code (IaC) solutions using Terraform.
• Implement and evolve a comprehensive observability strategy using tools such as Grafana, Dynatrace, and Datadog.
• Integrate advanced security and code-quality tools, such as SonarQube and Veracode, into the development lifecycle.
• Plan and conduct performance tests using k6, defining success metrics and performance indicators.
• Lead the deployment of autoscaling tools, such as KEDA, and performance optimizations with Redwolf.
• Drive continuous improvement of the engineering platform, promoting automation and reducing operational bottlenecks.
• Mentor and support the team, sharing DevOps, SRE best practices and engineering culture.

DevOps Analyst, Senior

• Manage and maintain virtualized environments, especially with VMware and ESXi hosts.
• Perform installation, upgrades and maintenance of Linux servers, using tools such as Ansible, Terraform, or Packer.
• Develop and implement infrastructure automations (Infrastructure as Code – IaC).
• Manage DevOps tools such as Jenkins, Docker, and other container-based environments.
• Troubleshoot Linux networking and connectivity issues, applying best practices for security and performance.
• Collaborate with multidisciplinary teams to continuously improve infrastructure and processes.

Linux Networking Specialist

• Gather technical requirements and size servers (CPU, memory, storage and network).
• Define on-premises, hyperconverged and hybrid infrastructure architectures.
• Prepare technical specifications and descriptive documentation for RFP/RFQ processes.
• Perform technical comparative analysis of vendor proposals.
• Plan capacity planning, high availability and disaster recovery strategies.
• Provide technical support for hardware and software procurement processes.
• Validate BOM (Bill of Materials) and liaise with vendors and integrators.
• Monitor delivery timelines and deployment of infrastructure solutions.
• Log and track requests in the corporate project management system.
• Develop schedules, action plans and manage technical risks.
• Report project and activity status to stakeholders.

Senior Infrastructure Analyst

• Conduct quality audits of tickets and processes performed by support analysts, ensuring excellence in customer service.
• Record evidence from the audits performed.
• Prepare and deliver quality feedback to analysts.
• Send formal feedback via email based on audit findings.
• Monitor performance and quality indicators.
• Prepare weekly and monthly monitoring reports.
• Identify opportunities for improvement in support processes.
• Develop and execute action plans with leadership to improve quality.
• Support onboarding and refresher training for new analysts.
• Contribute to the creation and updating of content in the Knowledge Base (KCS).
• Collaborate with the team on other tasks related to quality, processes, and user experience.

Junior Support Analyst

• Act as part of the team as a Data Engineer, responsible for building the pipeline that transforms raw data;
• Maintain this pipeline in operation to collect data;
• Ensure data security and integrity;
• Collaborate with analytics and data science teams;
• Monitor and troubleshoot data infrastructure issues.

Senior Data Analyst

• Configure tax and fiscal rules, perform integrations with ERPs (SAP, Oracle, TOTVS), and validate functional tests.
• Provide post-implementation support, ensuring system stability and correct usage.
• Analyze client tickets related to tax calculations, integrations, and fiscal configurations.
• Reproduce reported scenarios and guide clients in resolving issues.
• Review fiscal configurations and determine whether issues are functional or technical in nature.
• Open and follow up on technical tasks with development teams.
• Update ticket histories, document recurring solutions, and create training materials for clients.

Mid-level Tax Analyst

Legal Assistant

• Análise de ofícios recebidos;
• Cadastro da capa do ofício no sistema interno;
• Registro das solicitações e informações requeridas;
• Elaboração de minutas de resposta;
• Coleta de subsídios e documentos nos sistemas legados do cliente;
• Apoio na elaboração e envio da resposta ao solicitante.

Assistente Jurídico

Administration

• Manage and optimize databases, ensuring data integrity, security, and efficiency.
• Perform maintenance on corporate data models.
• Audit data models to ensure compliance with data management standards.
• Execute DDL scripts on development and test database servers.
• Validate data models and DDL scripts based on the client's database standards.
• Restore databases to development and test servers.
• Apply permissions to database objects appropriate for development and test computing environments.
• Install and upgrade versions on development and test servers.
• Optimize query and application database performance.
• Perform maintenance on database servers within the development and test perimeters.
• Ensure data quality standards according to Database Standards and Guidelines.
• Maintain data masking and/or de-identification routines in accordance with internal policies and applicable legislation.

Senior Data and Database Administrator

• Analysis of incoming official correspondence;
• Registering the correspondence cover sheet in the internal system;
• Logging requests and required information;
• Preparing draft responses;
• Collecting supporting materials and documents from the client's legacy systems;
• Assisting in preparing and sending responses to requesters.