Overview
Professional Summary
Work History
Education
Skills
Accomplishments
Certification
Languages
Timeline
Personal Information

Cassio Hilario

Montreal Oficial
Belo Horizonte, Minas Gerais,MG
7
years of professional experience
1
Certification
3
Languages

Dynamic Senior Software Engineer and Tech Lead with a Bachelor’s degree in Computer Science from Dom Helder Escola Superior, currently driving technical excellence at Montreal Oficial. Expertise includes .NET C#, React, Angular, Java, and Python, with a proven track record in architectural decision-making, delivery planning, and mentoring development teams through rigorous code reviews. Notable contributions include developing innovative chatbot solutions that integrate OpenAI/ChatGPT, advancements in security and facial recognition applications, and R&D initiatives leveraging Python for automation and prototyping. Committed to aligning technology with business objectives by delivering high-quality software architecture, automation solutions, and AI-driven tools while fostering a collaborative and productive work environment.

Work History

Senior Software Engineer | Tech Lead

1 Year 5 Months
Montreal Oficial | 05.2025 - Current
  • Led technical direction for projects using .NET C#, React, Angular, Java and Python, ensuring alignment with business goals
  • Supported architectural decisions and delivery planning, contributing to technical definitions that guided project outcomes
  • Code reviews, technical mentoring, and support to the development team
  • Participated in R&D initiatives using Python for prototyping and automation, enhancing innovation and efficiency
  • Development of chatbot solutions integrating OpenAI/ChatGPT agents
  • Work on security and facial recognition-related solutions
  • Gained 2 years and 1 month of professional experience.

Fullstack Software Engineer

8 Months
Montreal Oficial | 09.2024 - 05.2025
  • Developed enterprise web applications using .NET C# and Angular to enhance user experience and functionality
  • Developed and maintained REST APIs and backend services to support seamless data exchange and improve system reliability
  • Integrated frontend components with internal systems to ensure cohesive user interaction and streamline workflows
  • Integration with external APIs and third-party platforms
  • Participation in projects focused on financial, notary, and registry solutions
  • (9 months)

Software Engineer

11 Months
Biomtech Brasil | 10.2023 - 09.2024
  • Full Stack Developer
  • Designed software architecture for scalable applications
  • Development of .NET C# APIs
  • Implemented Scrum practices to improve team collaboration
  • Clean Architecture
  • Scrum Methodology
  • Developed Python APIs to enhance system interoperability.
  • Created facial validator adhering to International Civil Aviation Organization (ICAO) standards.
  • Integrated facial recognition from Hikvision cameras into internal applications to streamline user verification.

Software Engineer

11 Months
Veolink Sistemas Integrados de Segurança Eletronica | 11.2022 - 10.2023
  • Developed web screens using Java and GWT to enhance user experience
  • Web screen development using Java + GWT
  • Developed backend servlets to support application functionality
  • Utilized Agile methodology to enhance project delivery timelines and adapt to changing requirements.
  • Functioned as full stack developer, integrating frontend and backend systems

Software Engineer

3 Years 4 Months
IHM Stefanini | 07.2019 - 11.2022
  • Full-stack Angular + PWA business trip refund application development
  • Rest API in ASP.NET C# for communication with SQL Server and TOTVS Webservices from Copore RM
  • Supported backend development of internal systems in ASP.NET C#, enhancing functionality and reliability.
  • Improved internal systems through identifying and resolving bugs, ensuring smoother operation.
  • Reviewed code and improved performance of internal systems backend, optimizing response times and resource usage.
  • Code review and performance improvement of the internal systems backend
  • Contributed to software projects as a full stack developer, handling both client-side and server-side programming.

Education

Bachelor's degree - Computer Science

Dom Helder Escola Superior | Belo Horizonte | 12-2023

Skills

.NET Core
Angular (Framework)
Web application development
Software development
Microservices architecture
RabbitMQ
Amazon web services
Chatbot development
Technical leadership

Accomplishments

  • Received an award from Montreal Informatica for a IA Solution Challenge.
  • Managed a team of 4 employees, ensuring that a $50K-budgeted project was completed by the expected deadline.
  • Promoted to senior engineer after just 9 months of employment.

Certification

Como Desenvolver sua Inteligência Emocional, Go + React - Go + React

Languages

Espanhol (Professional Working)
Português (Native or Bilingual)
Inglês (Native or Bilingual)

Timeline

Senior Software Engineer | Tech Lead

Montreal Oficial
05.2025 - CurrentRead More

Fullstack Software Engineer

Montreal Oficial
09.2024 - 05.2025Read More

Software Engineer

Biomtech Brasil
10.2023 - 09.2024Read More

Software Engineer

Veolink Sistemas Integrados de Segurança Eletronica
11.2022 - 10.2023Read More

Software Engineer

IHM Stefanini
07.2019 - 11.2022Read More

Dom Helder Escola Superior

Bachelor's degree from Computer Science
Read More

Personal Information

Title: Senior Software Engineer | Tech Lead @ Montreal Oficial | .NET Core, Angular, RabbitMQ
Cassio Hilario