DIOGO SCHMIDT SOARES

SENIOR FULLSTACK ENGINEER | Frontend Specialist

Porto, Portugal

diogoschsoares@gmail.com

+351-910676102

LinkedIn GitHub WebPage

Professional Summary

Senior Fullstack Engineer with over 15 years of experience in designing, developing, and deploying high-impact software solutions across banking, e-commerce, and cybersecurity sectors. A dedicated Frontend Specialist with deep expertise in React, Next.js, and TypeScript, passionate about building scalable, high-performance user interfaces. Proven leader in architecting complex systems, including microservices and micro-frontends, and mentoring development teams to achieve excellence and deliver projects on time and within budget.

Core Competencies

Frontend

  • React & Next.js
  • TypeScript & JavaScript
  • VueJS & AngularJS
  • TailwindCSS & MaterialUI
  • Redux, Zustand, Jotai
  • Micro-Frontends

Backend

  • Node.js & NestJS
  • Java (Spring Boot, JSF, Struts)
  • .NET Core
  • REST APIs & GraphQL

Architecture & DevOps

  • Microservices
  • Docker & Kubernetes
  • CI/CD (GitLab, Azure, TeamCity)
  • Software Architecture
  • DDD & Clean Code

Databases & Tools

  • PostgreSQL & Oracle
  • SQL Server & MySQL
  • Redis
  • Git, JIRA, Scrum, Kanban

Professional Experience

Featured Roles & Projects

Senior Frontend Developer

Accenture, Portugal

Jul 2025 - Present

2 mos

  • Architecting and developing a global-scale recruitment platform for a multinational client, serving users across 39 countries.
  • Building high-performance, reusable frontend components using Next.js, TypeScript, and Tailwind CSS.
  • Implementing modern, responsive, and accessible user interfaces focused on delivering an exceptional user experience.

IT Specialist

Millennium BCP, Portugal

Sep 2021 - Jul 2025

3 yrs 11 mos

  • Spearheaded the architectural restructuring of the investment platform to a modern React stack.
  • Drove significant performance optimizations, resulting in a faster user experience.
  • Promoted from consultant to a full-time position due to high-quality work.

Senior Full Stack Engineer

Cognyte, Brazil (Remote)

Dec 2020 - Nov 2021

1 yr

  • Developed and maintained microservices applications using Java SpringBoot, React, Docker, and Kubernetes.
  • Contributed to the revamp of a global cybersecurity platform, developing a dashboard with data visualizations.

Senior Full Stack Engineer

3ia, Brazil

Jun 2014 - Jan 2020

5 yrs 8 mos

  • Led the development of a flagship product for e-invoicing on payment terminals, boosting company revenue.
  • Architected and built a private app store for banking services using .Net Core, AngularJS, and React.

Additional Experience

  • Developed an innovative support system with voice command ticket creation integrated with the Alexa API.
  • Built a responsive life insurance subscription LandPage using React, Redux, and a .Net Core 3.1 REST API backend.
  • Led the strategic rewrite of the legacy e-commerce frontend using React, Next.js, and NestJS to improve conversion rates and revenue.
  • Integrated microservices via GraphQL to build a modern, scalable, and high-performance user experience.

Built a strong foundation as a Full Stack Developer and Team Lead, delivering a wide range of enterprise applications. Key technologies included Java (J2EE, Struts, JSF, Spring), .NET (ASP.NET), databases (Oracle, SQL Server), and early frontend technologies (jQuery, Bootstrap). Successfully led team projects, architected solutions, and mentored developers.

Education & Certifications

Postgraduate program in Artificial Intelligence and Automation

Faculdade de Tecnologia Rocketseat, Brazil (Est. 2026)

MBA in Software Architecture

IGTI, Brazil

Associate Degree in Web Systems

UNISUL, Brazil

Microsoft Certified: Programming in HTML5 with JavaScript and CSS3 (70-480)

Certification: G741-6751