Frederico
From Brazil (UTC-3)
Frederico – Python, React, AWS
Frederico is a senior back-end engineer with strong production experience in Python and AWS, complemented by experience with React. He specializes in financial processing, workflow orchestration, and LLM-based automation. He demonstrates solid practical knowledge of concurrency, cost optimization, and pragmatic architecture. Frederico has extensive experience as a startup founder and has managed and mentored developers, including international teams.
19 years of commercial experience in
Main technologies
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
Software Archtect
It's a digital customer onboarding platform equipped with an automated document processing engine for a Brazilian renewable energy company.
- Designed and implemented an Anti-Corruption Layer (ACL) to decouple core CRM logic from external channels, enabling safe integration for diverse external partners.
- Unblocked a critical business bottleneck by autonomously re-architecting the data flow without requiring extensive PM oversight.
- Scaled digital acquisition capabilities, resulting in a 300% increase in conversions immediately after launch by capturing pent-up market demand.
- Architected a dual-endpoint Azure Function pipeline to handle high-throughput OCR requests, implementing a "fire-and-forget" asynchronous pattern that seamlessly published results to Azure Service Bus without blocking the main thread.
- Integrated OpenCV for pre-processing optimization (contrast/B&W) and engineered a cost-efficient, cascaded LLM fallback strategy (from the cheapest to the most advanced model) to enforce data contracts and dynamically validate layouts.
- Replaced a rigid legacy OCR system in just 3 weeks, elevating document reading accuracy from 62% to 95% and slashing operational processing costs by over 60%.
Tech Lead
It's a global provider of commercial data and analytics that helps businesses with credit risk, sales and marketing, supply chain, and compliance decisions using its database of hundreds of millions of companies
- Led the technical direction of strategic global projects and ensured delivery quality.
- Coordinated engineering teams with a focus on performance, CI/CD, and DevOps best practices.
- Acted hands-on and consultatively with Python and cloud computing.
Tech Lead
It's an AI-driven customer experience automation and core billing orchestration for a Brazilian digital banking platform.
- Architected the generative AI solution for customer service automation.
- Elevated the customer service automation rate from 50% to 93% within 60 days.
- Built a high-criticality bank batch processing and billing system from scratch.
- Led a lean squad of 2 developers to deliver a functional MVP in 7 days.
- Covered 80% of the billing operation within 30 days
CTO & Founder
It's a digital marketplace and logistics app tailored specifically for the pharmaceutical retail sector.
- Engineered a high-frequency universal ETL pipeline from scratch to synchronize 7,000+ SKUs across heterogeneous pharmacy databases, reducing sync latency to under 15 minutes.
- Owned the end-to-end technical delivery (Zero-to-One), validating the core business model, which directly secured Angel and Venture Builder funding rounds.
- Designed a highly scalable software architecture that resolved critical pharmaceutical logistics bottlenecks, earning the international "Top 100 Healthcare Visionaries Award" in Las Vegas.
Founder & Tech Consultant
It's a high-performance software development factory and IT governance consultancy.
- Developed corporate solutions using Python and .NET with a focus on governance.
- Led cloud audits and infrastructural re-architectures (leveraging AWS and Terraform) that historically resulted in monthly infrastructure cost reductions of up to 90% for clients.
- Structured, coordinated, and led multidisciplinary engineering teams distributed across Brazil, the USA, and Canada.
- Managed complex enterprise contracts, ensuring that all technology deliverables strictly aligned with business data, facts, and profitability goals.
Founder
It's a centralized IT infrastructure and management system.
- Led the end-to-end digital transformation and IT infrastructure centralization across 14 distributed branches, replacing legacy operational bottlenecks with a unified, scalable system.
- Directly aligned technical architecture with business goals, deploying an optimized data flow that unlocked new operational capacities and doubled (100% increase) the client's revenue within the first 3 months post-deployment.
- Managed cross-functional technical teams and governed IT contracts, ensuring high-availability and security compliance required for sensitive digital certification operations.