Certisign

Product Designer

• Lead **discovery and research processes** with internal and external developers, business stakeholders and technical teams to identify needs, pain points and opportunities for improvement.
• Map user journeys, flows and friction points in the experience of integration, API usage and metrics tracking.
• Create and evolve experiences across our platforms, ensuring clear, consistent and efficient experiences, including documentation, guides, examples, prototypes, benchmarks and usability best practices for developers.
• Design product interfaces with a focus on clarity, information hierarchy and data-driven decision making.
• Produce wireframes, prototypes and UX/UI specifications (low, medium and high fidelity), supporting the engineering team during implementation.
• Define and monitor, together with the product team, **experience and usability metrics**, including platform usage indicators and dashboards.
• Work collaboratively with **product, engineering, data and CX** teams to ensure alignment with the strategic vision and consistency of deliveries.
• Contribute to the evolution of patterns, components and UX best practices applied to technical products and internal platforms.

Senior UX Designer

Procurement

• Execute procurement and contracting processes for goods and services, ensuring compliance with the company's Purchasing Policy and Procedures;
• Conduct negotiations with suppliers across different categories (IT, Infrastructure, Hardware, Software, Marketing, Facilities, Legal, among others), applying Strategic Sourcing methodology;
• Review and validate purchase requisitions, ensuring adherence to specifications and guidelines;
• Prepare competitive bidding processes (RFP, invitation letter) and liaise with internal clients;
• Source and support supplier qualification/approval in alignment with Compliance;
• Create and monitor purchase orders in the ERP system, ensuring approvals, deadlines and agreed commercial terms;
• Support the formalization of contracts and contract amendments with Legal, acting as an interface between supplier, internal client and the Legal department;
• Track receipt, verification and posting of invoices;
• Support internal users and ensure governance of Purchasing processes;
• Monitor indicators (KPIs) and prepare management reports.

Purchasing Analyst – Junior

Frontend Engineer

• Develop and customize responsive interfaces using React (hooks, context, Redux or Zustand), WordPress themes, and Magento front-end.
• Integrate the front end with REST/GraphQL APIs from backends in Java (Spring Boot) and PHP (Laravel or native).
• Collaborate on code reviews, refactorings, and continuous deployment (CI/CD with GitHub Actions or similar).
• Implement unit and end-to-end tests (Jest, React Testing Library, Cypress).
• Support debugging and improvements in payment integrations (PIX, boleto), authentication, and security (JWT, OAuth).

Front-End Developer, Mid-level

Full-stack Engineer

• Build modern, responsive user interfaces using front-end technologies;
• Develop and maintain server-side logic, databases, APIs, and services using back-end technologies;
• Define and implement software architecture to ensure solutions are scalable, secure, and efficient, considering performance and maintenance requirements;
• Collaborate with product, design, and operations teams to deliver solutions aligned with client requirements, deadlines, and the established budget;
• Apply software development best practices to ensure code quality and security;
• Maintain detailed documentation of code, architecture, and technical processes to ensure solutions are easily understood and maintainable.

Full Stack Developer – Senior

DevOps Engineer

• Configure, maintain, and scale Kubernetes clusters in on-premises environments, ensuring high availability and performance.
• Manage and optimize the infrastructure of physical and virtual servers, emphasizing automation and environment reliability.
• Automate repetitive provisioning, configuration, and monitoring tasks for servers and applications using tools such as Ansible, Terraform, Puppet, etc.
• Implement and manage API Gateway solutions to control traffic and optimize communication between microservices and systems.
• Create and maintain monitoring and alerting systems to provide real-time visibility into the health of infrastructure and services using tools such as Dynatrace, Datadog, Prometheus, Grafana, ELK Stack, or similar.
• Provide real-time support for infrastructure issues and collaborate with development teams to diagnose and resolve incidents.
• Propose and implement infrastructure improvements focused on automation, security, performance, and reduction of operational costs.
• Create and maintain detailed technical documentation of procedures, processes, and configurations.

Sysadmin / SRE Specialist

Operations

• Conduct client service via videoconference for the issuance of digital certificates;
• Strictly follow the current service script during videoconferences to identify digital certificate holders;
• Operate systems through mandatory platforms to validate holders' data during and after videoconferences in order to ensure the issuance of digital certificates;
• Review documentation for requests validated by the partner network.

Operations Assistant

• Conduct videoconference appointments to issue digital certificates;
• Strictly follow the current customer service script during videoconferences to verify the identity of digital certificate holders;
• Use required platforms and systems to validate holders' data during and after videoconferences to ensure the issuance of digital certificates;
• Review documentation for requests validated by the partner network.

Administration

• Analisar contratos de clientes corporativos, garantindo conformidade e aderência às políticas comerciais;
• Validar vendas no CRM, conferindo informações de pedidos, descrições, valores e produtos;
• Efetuar o faturamento de clientes no ERP Protheus;
• Elaborar projeções de vendas por cliente e por segmento, apoiando o planejamento comercial;
• Realizar a apuração do consumo de produtos por cliente e identificar variações relevantes;
• Organizar e manter atualizada a documentação e os cadastros de clientes;
• Apoiar o relacionamento com grandes contas, em especial nas interações com áreas financeiras;
• Identificar oportunidades de melhoria nos processos administrativos e propor soluções que aumentem a eficiência da área.

Analista de Administração de Vendas Júnior

• Conduct videoconference appointments to facilitate the issuance of digital certificates;
• Strictly follow the current service script during videoconference sessions to identify digital certificate holders;
• Operate systems via required platforms to validate holders' data during and after videoconferences to ensure issuance of digital certificates;
• Review documentation for requests validated by the partner network.

• Conduct videoconference appointments for issuing digital certificates;
• Strictly follow the current service script during videoconferences to identify holders of digital certificates;
• Operate systems through required platforms to validate certificate holder data during and after videoconferences in order to ensure issuance of digital certificates;
• Review documentation for requests validated by the partner network.

• Perform videoconference appointments for the issuance of digital certificates;
• Strictly follow the current service script during videoconferences conducted to identify holders of digital certificates;
• Operate systems through mandatory platforms to validate certificate holders' data during and after videoconferences in order to ensure the issuance of digital certificates;
• Review documentation for requests validated by the partner network.

Security Engineer

• Governance and Compliance: Ensure compliance with laws and internal/external audits, including interaction with regulatory bodies;
• Third-Party Management: Manage risks of critical vendors (Third-Party Risk Management), ensuring adequate controls;
• Key Performance Indicators (KPIs): Define and monitor KPIs such as MTTR (Mean Time to Respond), number of critical incidents, level of LGPD/GDPR compliance, and percentage of completed trainings;
• Security Culture: Promote awareness campaigns, gamified training, and phishing simulations for continuous engagement;
• Modern Practices: Implement frameworks such as Zero Trust Architecture and Cloud Security Alliance (CSA) best practices for cloud environments;
• Future Capabilities: Lead DevSecOps initiatives and security applied to AI/Machine Learning;
• Succession Planning: Plan succession and internal talent development to ensure continuity of leadership.

Information Security Manager

Sales Development Rep

• Handle inbound lead inquiries, ensuring prompt and assertive contact with potential customers;
• Qualify leads for the sales team, ensuring opportunities are mature for commercial outreach;
• Maintain efficient and organized lead follow-up, ensuring the CRM is kept continuously updated;
• Collaborate with marketing and sales teams to optimize prospecting and engagement strategies.

Sales Development Representative

QA Engineer

• Quality: Reduce the frequency of errors in SaaS deployments sustainably, driving continuous improvement through the identification, prioritization, and automation of key end-to-end (E2E) test cases.
• Test Plan Development: Create comprehensive test plans that cover different scenarios and types of testing, such as functional, performance, and security tests.
• Metrics Definition: Establish key performance indicators (KPIs) to measure software quality and monitor the progress of the quality process.
• Tool Implementation: Implement test automation and quality management tools.
• Effective Communication: Maintain clear and concise communication with developers, stakeholders, and other areas of the company.
• Implementation of Improvements: Propose and implement improvements to development and testing processes.
• Analytical Skills: Analyze data, identify patterns, and make evidence-based decisions.
• Risk Analysis: Identify and assess security and quality risks, proposing appropriate mitigation measures.

Quality Assurance Specialist

Backend Engineer

• Design, develop and maintain server-side logic for applications and systems;
• Implement efficient APIs to facilitate communication between the frontend and backend;
• Design and optimize database schemas;
• Implement security best practices to protect sensitive data;
• Optimize backend performance to ensure fast responses to client requests;
• Perform unit and integration tests to ensure correct backend functionality;
• Identify and fix bugs and performance issues;
• Document code, APIs and backend-related processes;
• Create documentation to facilitate system understanding and maintenance;
• Collaborate with frontend developers, designers and other team members to ensure seamless frontend-backend integration;
• Participate in team meetings and contribute to discussions about architecture and design;
• Stay up to date with backend development trends and best practices;
• Propose and implement continuous improvements to architecture and code.

Senior UX Designer

Purchasing Analyst – Junior

Front-End Developer, Mid-level

Full Stack Developer – Senior

Sysadmin / SRE Specialist

Operations Assistant

Operations Assistant

Analista de Administração de Vendas Júnior

Operations Assistant

Operations Assistant

Operations Assistant

Information Security Manager

Sales Development Representative

Quality Assurance Specialist

PHP Developer, Magento (Mid-Level)