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Hi, I’m Diogo Fonteles. I’m a software engineer with more than 20 years of experience, specializing in frontend architecture and large-scale systems across Europe. I hold a Diploma in Computer Science (2013) and postgraduate degrees in Software Engineering and Network and Systems Security (2015). I’m currently a Senior Software Engineer at Babel, where I help shape frontend architectures for projects in Spain and the European Union, with a focus on Angular, Microfrontends, and Clean Architecture. Throughout my career I’ve led frontend initiatives at Loxy and Authorify, worked with Next.js, React, NestJS, Kafka, and MongoDB, and delivered robust, scalable solutions under tight deadlines. I apply DDD, TDD, SOLID principles, AWS, CI/CD, and Java Spring to build maintainable software and empower cross-functional teams to ship value.…Hi, I’m Diogo Fonteles. I’m a software engineer with more than 20 years of experience, specializing in frontend architecture and large-scale systems across Europe. I hold a Diploma in Computer Science (2013) and postgraduate degrees in Software Engineering and Network and Systems Security (2015). I’m currently a Senior Software Engineer at Babel, where I help shape frontend architectures for projects in Spain and the European Union, with a focus on Angular, Microfrontends, and Clean Architecture. Throughout my career I’ve led frontend initiatives at Loxy and Authorify, worked with Next.js, React, NestJS, Kafka, and MongoDB, and delivered robust, scalable solutions under tight deadlines. I apply DDD, TDD, SOLID principles, AWS, CI/CD, and Java Spring to build maintainable software and empower cross-functional teams to ship value.

Diogo Fonteles

Full Stack Developer, Front-End Developer, Back-End Developer, +3

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Hi, I’m Diogo Fonteles. I’m a software engineer with more than 20 years of experience, specializing in frontend architecture and large-scale systems across Europe. I hold a Diploma in Computer Science (2013) and postgraduate degrees in Software Engineering and Network and Systems Security (2015). I’m currently a Senior Software Engineer at Babel, where I help shape frontend architectures for projects in Spain and the European Union, with a focus on Angular, Microfrontends, and Clean Architecture. Throughout my career I’ve led frontend initiatives at Loxy and Authorify, worked with Next.js, React, NestJS, Kafka, and MongoDB, and delivered robust, scalable solutions under tight deadlines. I apply DDD, TDD, SOLID principles, AWS, CI/CD, and Java Spring to build maintainable software and empower cross-functional teams to ship value.…Hi, I’m Diogo Fonteles. I’m a software engineer with more than 20 years of experience, specializing in frontend architecture and large-scale systems across Europe. I hold a Diploma in Computer Science (2013) and postgraduate degrees in Software Engineering and Network and Systems Security (2015). I’m currently a Senior Software Engineer at Babel, where I help shape frontend architectures for projects in Spain and the European Union, with a focus on Angular, Microfrontends, and Clean Architecture. Throughout my career I’ve led frontend initiatives at Loxy and Authorify, worked with Next.js, React, NestJS, Kafka, and MongoDB, and delivered robust, scalable solutions under tight deadlines. I apply DDD, TDD, SOLID principles, AWS, CI/CD, and Java Spring to build maintainable software and empower cross-functional teams to ship value.

Available to hire

Hi, I’m Diogo Fonteles. I’m a software engineer with more than 20 years of experience, specializing in frontend architecture and large-scale systems across Europe. I hold a Diploma in Computer Science (2013) and postgraduate degrees in Software Engineering and Network and Systems Security (2015). I’m currently a Senior Software Engineer at Babel, where I help shape frontend architectures for projects in Spain and the European Union, with a focus on Angular, Microfrontends, and Clean Architecture.

Throughout my career I’ve led frontend initiatives at Loxy and Authorify, worked with Next.js, React, NestJS, Kafka, and MongoDB, and delivered robust, scalable solutions under tight deadlines. I apply DDD, TDD, SOLID principles, AWS, CI/CD, and Java Spring to build maintainable software and empower cross-functional teams to ship value.

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Expert

Expert

Expert

Expert

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Expert

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Expert

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Intermediate

Intermediate

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Intermediate

Work Experience

Senior Software Engineer at LOXY

September 1, 2024 - Present

Responsible for maintaining the Loxy software, using Angular, TypeScript, Nx, Jest and Cypress, RxJs, WebSockets, RSockets (Java Spring).

Senior Software Engineer at Authorify

June 1, 2024 - October 1, 2024

Full-stack development across backend (NestJS) and frontend (React/Next.js) initiatives, often in a monorepo with Nx. Implemented DDD and TDD, applying Clean Architecture and SOLID principles to support real estate broker training, lead management and public portfolios. Tech included Kafka, Redis, MongoDB, and AWS.

Senior Software Engineer at Paneas

February 1, 2023 - June 1, 2024

Developed debt renegotiation solutions for Brazilian financial institutions, including Desenrola Brasil (a federal program) with banks integration and support for up to 2 million simultaneous users. Frontend in Angular, backend in Python (FastAPI), plus AWS resources and a microservices architecture. Implemented frontend optimizations such as lazy loading, infinite scrolling and pagination.

Senior Frontend Developer at Skills Workflow

November 1, 2020 - July 1, 2023

Frontend engineer developing a platform for digital, advertising, and design agencies. Built with Angular 11 and REST APIs, delivering features that streamline workflow and project management.

Senior Frontend Developer at ndBIM Virtual Building

April 1, 2020 - November 1, 2020

Frontend development for Building Information Modeling system using Angular 10, Redux/NgRx, custom components and Docker.

Senior Frontend Developer at KCS iT

November 1, 2019 - March 1, 2020

Frontend engineer using Angular with Redux on a Java backend on the ITIM profimetrics team.

Full-stack Developer at Ministério Público do Estado do Rio Grande do Norte

December 1, 2013 - November 1, 2019

Full-stack systems development for the e-MP project using ASP.NET Core APIs, Angular 6+, Entity Framework, HTML5/CSS3, Gulp, LESS, JavaScript/TypeScript; Docker and GitLab-based CI/CD; BI/analytics with Power BI and QlikView.

Senior Information Technology Business Analyst at Grendene S/A

August 1, 2010 - December 1, 2013

Lead developer team, diagnostic analyses, feasibility studies, and development of systemic solutions; wrote technical specifications, conducted testing, and trained users.

Data Base Administrator, Developer at Prefeitura Municipal de Sobral - Secretaria da Educação

April 1, 2005 - August 1, 2010

Data-related work for External Evaluation; worked with Firebird, MySQL and PostgreSQL databases, using C#, VB, PHP; CakePHP framework for solution development.

Senior Software Engineer at Babel

February 1, 2025 - Present

Architecture and frontend development for multiple European projects, including Reale (Angular 18, Microfrontend, Hexagonal Architecture), DKV (Angular upgrades and bug fixes from v14 to v19), and ESNA (Fullstack with Next.js/Node.js/React), delivering MVP under tight deadlines.

Senior Software Engineer at LOXY - Connecting Tomorrow Now

September 1, 2024 - February 1, 2025

Maintained frontend using Angular, TypeScript, Nx, Jest, Cypress; improved mobile development with Ionic; implemented real-time vehicle tracking using WebSockets and RSockets (Java Spring), boosting tracking accuracy by 75%.

Senior Frontend Developer at Workflow

November 1, 2020 - July 1, 2023

Developed a platform for digital, advertising, and design agencies using Angular 11+ and REST APIs; improved project management efficiency; delivered high-quality solutions and reduced page load times.