Juliano Nicocelli ⚡️
Contact Information

📍 Santa Catarina, Brazil

📧 work.nicocelli@gmail.com

📱 55 47 99262-1482

🔗 linkedin.com/in/juliano-nicocelli/

💻 github.com/nicocelli

Profile
With over 15 years of experience in software development and entrepreneurship, I have worked extensively with .NET, managing end-to-end deliveries from coding to deploying solutions in serverless architectures on AWS, Azure, and GCP. Currently serving as CTO at DeFin.tech, I lead the technical vision for an AI-powered Investment Banking as a Service platform. I actively engage in diverse projects, contributing from the conceptualization of architecture to the final production delivery. Alongside my technical skills, I possess strong team management abilities and a keen business sense, having built a SaaS platform to 13,000+ users and 300+ paying customers. I consistently deliver exceptional results by bridging deep technical expertise with business strategy.
Experience

Chief Technology Officer (CTO)

Feb 2025 - Present at DeFin.tech, Remote, Brazil

Leading the technical vision for DeFin.tech, an Investment Banking as a Service (IBaaS) platform that combines decades of financial expertise with proprietary AI technology to structure and execute M&A, debt, and credit transactions. Building the DeFin Brain AI engine that automates document analysis and enables intelligent matchmaking, democratizing access to capital markets for companies seeking financial solutions.

  • Leading technical strategy and architecture for AI-powered matchmaking platform
  • Overseeing development of DeFin Brain, proprietary AI engine for automated document analysis and intelligent matching
  • Managing platform infrastructure supporting M&A, debt structuring, and credit operations
  • Building technology foundation for future tokenization of real-world assets
  • Coordinating cross-functional teams to deliver high-value financial technology solutions


Senior Software Engineer

Mar 2024 - Dec 2024 at 20APY, Remote, Brazil

At 20apy, I played a key role in developing and maintaining technical solutions that enhanced operational efficiency and delivered value to both internal teams and clients.

  • Deployed and maintained virtual machines on GCP, containerizing applications with Docker
  • Developed automation workflows to integrate third-party software
  • Led the implementation of system architectures, including no-code platforms using Firebase, FlutterFlow, and n8n


Senior Backend Software Developer

Jan 2021 - Mar 2024 at HP Trade, Remote, Brazil

As a senior software developer, I focused on integrating a legacy ERP system with banking providers, e-commerce platforms, and third-party marketplaces.

  • Automated financial tasks by integrating with banking providers (Banco do Brasil, Sicoob, Santander) using C# and REST APIs, achieving 5x reduction in processing time
  • Developed C# service integrated with Meta Graph API for social media automation
  • Created C# integration connecting legacy ERP to Magento APIs, resulting in 15% sales increase


Senior Fullstack Software Engineer

Aug 2021 - Dec 2023 at Qualifiquei, Remote, Brazil

As a senior engineer and founder, I built a SaaS platform for B2B prospecting lists, achieving over 13,000 users and 300 paying customers in 2 years.

  • Developed end-to-end solution using Dotnet 6, Angular 12, and PostgreSQL
  • Implemented AWS serverless architecture (Lambdas, ECS, SQS, EventBridge)
  • Developed data structure supporting 40M+ records using Entity Framework
  • Led a team of 5 implementing agile practices


Senior Fullstack Software Engineer

Dec 2018 - Dec 2022 at Naturas Refeições, Remote, Brazil

Architected and developed a solution for a restaurant supply chain, preventing significant financial losses.

  • Developed solution using .NET Core 3.1, Angular 8, and Ionic Framework
  • Implemented DDD, Clean Code, and CQRS principles
  • Created efficient data model using Entity Framework and Dapper
  • Managed Linux servers with Nginx and Cron Jobs


Backend Software Engineer

Aug 2020 - Jan 2021 at Restfy Tecnologia, Remote, Brazil

Spearheaded backend construction for a SaaS solution managing automotive license plate factories.

  • Implemented 100+ RESTful API endpoints in Dotnet 3.1
  • Optimized data model achieving 20% reduction in query response time
  • Implemented Domain-Driven Design principles


System Analyst / Software Architect

Dec 2013 - Dec 2018 at Karsten S.A, On-site, Brazil

Led technical team in system development and architecture.

  • Developed systems in C#, VB.Net, VB6, Cobol, and Java
  • Implemented Jenkins CI/CD automation
  • Led technical team and conducted hiring interviews
  • Implemented Git system with GitFlow workflow

Education

Associate Degree in Systems Analysis and Development

2008 to 2010 at Uniasselvi, Brazil

Languages

English · Professional working proficiency

Portuguese · Native proficiency

Skills
.NET Core Python NestJS TypeScript Angular FlutterFlow Ionic AWS Azure GCP Docker Jenkins PostgreSQL SQL Server Firebase ⚡Dapper ⚡Entity Framework ⚡DDD ⚡Clean Architecture ⚡Microservices ⚡CQRS Swagger/OpenAPI ⚡N8N Supabase Selenium Playwright ⚡Linux ⚡CI/CD Git GitHub ⚡Agile ⚡Team Leadership ⚡Startup ⚡SAAS