Mara Vieira da Rosa Santos, as an Account Manager at H&CO, has shown impressive performance in managing and growing her client portfolio. Her exceptional communication and relationship-building skills have contributed significantly to the company's revenue growth. Mara has been successful in identifying client needs and coordinating with internal teams to deliver solutions that meet these requirements. Her strategic planning and problem-solving abilities have been instrumental in retaining clients and improving customer satisfaction. Going forward, her focus will be on exploring new business opportunities and maintaining the company's high service standards.More...
Sergio Miziara
Solutions Architect@Plan A
Verified
With over 20 years of experience in technology, I specialize in architecting and delivering high-impact solutions across fintech and various industries. My expertise is in solving real-world challenges and transforming them into scalable, efficient, and innovative solutions that drive business success.
Core Strengths:
š¼ Tech Leadership: Proven experience leading architecture and development in mission-critical environments, especially in fintech. I ensure that every solution is innovative and sustainable.
š§ Systems Architecture & Engineering: Extensive experience designing, building, and optimizing systems architecture, focusing on high-performance, mission-critical environments.
š Diverse Tech Stack:
- Languages & Frameworks: C#/.NET/ASP.NET (18+ years), SharePoint (15+ years), Node.js (12+ years), React (6+ years), PHP (18+ years).
- Databases: SQL Server (18+ years, including cluster setup, tuning, and maintenance), PostgreSQL (11+ years), MongoDB (8+ years).
- Message Brokers & Streaming Platforms: RabbitMQ (8+ years), NATS (4+ years), Redis (9+ years), Kafka (4+ years).
- Infrastructure Expertise: Extensive work with Azure, AWS, Google Cloud, as well as private cloud solutions using Hyper-V, Proxmox and OpenStack. Containers with Kubernetes / Rancher. CI/CD with Github Actions, Argo CD / Flux
š Cost-Effective Cloud Migrations: Led dozens of cloud-to-bare-metal migrations, reducing costs while improving performance and reliability.
š Web3 & Blockchain Integration: Proficient in DApps development, blockchain integration, and wallet connectivity.
āļø Low-Code/No-Code Solutions: Expertise in Node-RED and N8N for rapid deployment. Built enterprise-grade connectors for financial and mission-critical solutions.
Key Experience:
* +20 years of product architecture and development experience.
* Extensive work in infrastructure planning, security hardening, and monitoring, including multi-cloud, high-availability setups for mission-critical applications.
* Proven ability to lead cloud-native solutions and priMore...