Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Rui Miguel Marques Pereira, a hardworking and motivated engineer with strong leadership skills. I have worked with power systems, energy grids and programming languages (Python, C, C++, C#) as a main focus in my academic studies. In my professional experience I had the opportunity to work with mobile applications, notably Flutter. I am a fast learner for new languages and technical realities. Due to my experience in volunteer work I gained great leadership and motivational skills.…I'm Rui Miguel Marques Pereira, a hardworking and motivated engineer with strong leadership skills. I have worked with power systems, energy grids and programming languages (Python, C, C++, C#) as a main focus in my academic studies. In my professional experience I had the opportunity to work with mobile applications, notably Flutter. I am a fast learner for new languages and technical realities. Due to my experience in volunteer work I gained great leadership and motivational skills.

Rui Miguel Marques Pereira

App Developer, Full Stack Developer, Back-End Developer, +2





I'm Rui Miguel Marques Pereira, a hardworking and motivated engineer with strong leadership skills. I have worked with power systems, energy grids and programming languages (Python, C, C++, C#) as a main focus in my academic studies. In my professional experience I had the opportunity to work with mobile applications, notably Flutter. I am a fast learner for new languages and technical realities. Due to my experience in volunteer work I gained great leadership and motivational skills.…I'm Rui Miguel Marques Pereira, a hardworking and motivated engineer with strong leadership skills. I have worked with power systems, energy grids and programming languages (Python, C, C++, C#) as a main focus in my academic studies. In my professional experience I had the opportunity to work with mobile applications, notably Flutter. I am a fast learner for new languages and technical realities. Due to my experience in volunteer work I gained great leadership and motivational skills.

Available to hire

I’m Rui Miguel Marques Pereira, a hardworking and motivated engineer with strong leadership skills. I have worked with power systems, energy grids and programming languages (Python, C, C++, C#) as a main focus in my academic studies.

In my professional experience I had the opportunity to work with mobile applications, notably Flutter. I am a fast learner for new languages and technical realities. Due to my experience in volunteer work I gained great leadership and motivational skills.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Portuguese

Fluent

Spanish; Castilian

Beginner

Italian

Beginner

Work Experience

Founder and Developer at Trinity Solutions

March 1, 2026 - Present

Founder and developer of a self-made business focusing on software and technological solutions; main focus on mobile projects.

Mobile Senior Developer at Boost IT

January 1, 2025 - December 1, 2025

Mobile Senior Developer for a consultancy firm developing an app architecture for a client in Flutter. Used current UI/UX practices; mentored a junior developer; emphasized clean code and SOLID.

Mobile Dev Lead at Casa Fari

January 1, 2022 - November 1, 2024

Mobile development lead for a Real Estate Analysis Start-up. Created, managed, deployed and developed two mobile applications. Defined Flutter architectures and interaction with an outside API. Applied unit safety standards and MobX.

Mobile Developer at Serv Debt

July 1, 2021 - November 1, 2021

Mobile developer for a debt collection company. Created and managed the company’s mobile application. Created the architecture (Flutter) and interaction with an outside API. Applied null safety standards.

Consultant at Hitachi Vantara

September 1, 2019 - June 1, 2021

Practical consultant developing backend and mobile apps; built Flutter and Xamarin-based apps. Applied null safety standards for development.

Intern at R&D Nesta

January 1, 2019 - August 1, 2019

Internship to develop the thesis of a web-service platform to exchange electrical grid information; wrote a paper describing the methodology; engaged with energy sector projects.

Shift Manager at Re-food Benefica

July 1, 2017 - September 1, 2022

Shift manager in a non-profit organization focused on reducing food waste; supervised and managed shift operations.

Scout Head Master at CNE

November 1, 2014 - February 1, 2020

Led a group of children aged 10-18 in various educational activities.