Emojipedia

Backend Engineer

• Develop, evolve, and maintain digital health applications across multiple stacks (Java, Node.js, Python), focusing on performance, scalability, and security.
• Design and implement features in distributed systems, including RESTful APIs, WebSockets, and data streaming pipelines.
• Work on integration between microservices and legacy systems, ensuring consistency, resilience, and traceability in communications.
• Use message queues and event-driven architectures (RabbitMQ, BullMQ) for asynchronous processing and orchestration of workflows.
• Model, optimize, and maintain relational (MySQL, PostgreSQL) and non-relational (MongoDB, Redis) databases, including caching strategies and eventual consistency.
• Contribute to the development and integration of generative AI–based features, such as LangChain agents, RAG pipelines, and orchestration via n8n.
• Investigate, diagnose, and resolve complex technical issues in multi-tenant production environments.
• Ensure code quality through automated tests and software engineering best practices.
• Collaborate with multidisciplinary teams (Product, Design, QA, Data, AI) for integrated deliveries aligned with business objectives.
• Participate in agile ceremonies and actively contribute to the team’s technical growth.

Senior Back-end Developer, AI Products

Customer Support

• Coordinate the customer success strategy for accounts originating from partner channels;
• Lead and develop the team responsible for managing the client portfolio;
• Monitor success, retention, churn, expansion, and satisfaction (NPS) metrics;
• Design and oversee retention and engagement plans for the portfolio;
• Identify and develop opportunities for expansion and cross-selling of new products;
• Ensure consistent contract renewal processes;
• Strengthen strategic relationships with clients and partners;
• Act as a bridge between clients, sales channels, and internal teams to continuously improve the experience.

Customer Success Coordinator – Channels

• Manage business clients of various sizes in partnership with sales channels;
• Identify expansion opportunities and sell new products;
• Ensure the renewal of our contracts;
• Build and maintain relationships with clients; collect feedback;
• Provide proactive support to clients on the platform;
• Define retention plans to prevent churn;
• Monitor customer satisfaction and NPS for your portfolio of clients.

Customer Success Analyst – Mid-level

Security Engineer

• Lead the response to complex security incidents by conducting in-depth investigations, coordinating mitigation of critical threats, and guiding technical teams during security crises.
• Design, implement, and optimize advanced security controls, including defense-in-depth architectures, security frameworks, and corporate policy governance.
• Serve as a technical authority in security architecture reviews, performing threat modeling, risk analysis, and designing secure solutions for critical systems and strategic initiatives.
• Conduct and coordinate security audits, advanced penetration tests, red team exercises, and compliance assessments against regulatory frameworks (ISO 27001, LGPD, OWASP, SOC 2).
• Define security strategies for new products, platforms, and integrations, working from conception through implementation and continuous monitoring.
• Develop and evolve incident response playbooks, crisis management procedures, and continuous improvement programs based on lessons learned.
• Lead vulnerability management, patch management, and hardening initiatives for critical infrastructure (cloud and on-premises).
• Plan, execute, and oversee penetration testing (Pentest) and offensive security assessments, translating technical findings into actionable remediation plans.
• Implement and promote security practices throughout the development lifecycle (DevSecOps), including secure coding and code review.
• Act as a senior technical reference for the security team, disseminating knowledge, delivering training, and promoting a security-first culture across the organization.
• Establish security metrics and indicators (KPIs/KRIs), prepare executive reports, and present risk analyses.

Information Security Specialist

Analyst

• Account reconciliations and support for monthly accounting and tax closings;
• Review of fiscal and accounting documents (NF-e, NFS-e, CT-e, contracts, receipts);
• Tax assessment and support in tax calculations;
• Submission and support in preparing ancillary tax obligations (statutory filings);
• Assistance with audits;
• Organization, control and filing of documents and reports;

Senior Back-end Developer, AI Products

Customer Success Coordinator – Channels

Customer Success Analyst – Mid-level

Information Security Specialist

Accounting Analyst, Junior