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Matheus N.MN

Matheus N.

End-to-End Digital Solutions |Software Engineering

€350/day
Leiria, PT
8-15 years

Average response time: 1 hour

About Matheus

I build modern, high-performance web applications using React, Next.js, Angular, and NestJS, always with clean architecture, scalability and long term maintainability in mind.

I’ve spent the last years helping companies in finance, media, and tech transform complex business challenges into elegant and reliable software solutions. My focus is on creating code that not only works, but lasts, performs and is easy to evolve.

I lead projects end to end: from frontend development and backend APIs to CI/CD automation and cloud deployments. I care about structure, quality, and speed and I make sure every line of code aligns with the client’s real goals.

If you’re looking for someone who treats your product as if it were their own, delivers consistently, and communicates clearly, let’s build something exceptional together.

Core Stack: React · Next.js · Angular · NestJS · TypeScript · Node.js · AWS · CI/CD · Clean Architecture
  • English

    Native or bilingual

  • French

    Conversational

Remote only
Primarily works remotely

Experience

  • Natixis
    Senior Software Engineer
    BANKING AND INSURANCE
    September 2024 - September 2025 (1 year)
    Porto, Portugal
    • Building new full-stack banking applications using Spring Boot, AngularJS, TypeScript, Node.js, MySQL, and PostgreSQL
    • Actively interfacing with business stakeholders to understand core requirements, align technical vision with business goals, and plan high-impact deliveries in well-structured sprints.
    • Owning the end-to-end delivery pipeline: from requirement gathering and design, to implementation, test automation (TDD), CI/CD, and production readiness.
    • Architecting and optimizing CI/CD pipelines with Jenkins, reducing release time and ensuring zero - downtime deployments.
    • Building and maintaining clean, contract-driven RESTful APIs, while partnering daily with Product Owners, Business Analysts, and QA teams to ensure alignment and speed.
    • Driving team growth through mentorship, code reviews, pair programming, and knowledge transfer —
    helping shape a high-performance engineering culture.
    • Regularly invited to present technical talks across the BPCE Group's engineering community, sharing expertise on modern development tools, clean architecture, and engineering best practices —
    amplifying tech leadership beyond project boundaries.
    Node.js Angular Database Management (e.g., SQL, NoSQL) Java Spring boot
  • Ascendra
    Senior Software Engineer & Tech Lead
    EDUCATION AND E-LEARNING
    January 2024 - July 2024 (6 months)
    São Paulo, Brazil
    • Led a cross-functional squad delivering nationwide public-sector applications using NodeJS, NestJS, AngularJS, TypeScript, AWS, and Docker, under strict performance, security, and compliance requirements.
    • Translated high-level policy goals into executable technical roadmaps, owning delivery from design to production.
    • Defined and enforced engineering standards, promoting clean architecture, reusability, and testability across modules.
    • Designed and maintained CI/CD workflows with GitHub Actions, ensuring stability and efficiency for multi-environment deployments.
    • Mentored engineers and facilitated onboarding, raising team maturity and delivery velocity through code reviews and pair programming.
    NestJs Angular Bootstrap Amazon Web Services Tech Lead
  • SBT
    Senior Software Engineer
    TELECOMMUNICATIONS
    September 2023 - February 2024 (5 months)
    São Paulo, State of São Paulo, Brazil
    • Engineered high-availability full-stack applications to support editorial workflows, live content management, and broadcasting systems, using React, NodeJS, NestJS, Next.js, Tailwind, PostgreSQL, MongoDB, and Strapi CMS.
    • Delivered scalable APIs and frontend modules optimized for millions of daily users, ensuring performance and responsiveness under load.
    • Automated infrastructure and delivery processes using GitHub Actions, with deployments across AWS environment.
    • Implemented observability strategies and cloud best practices.
    Next.js NestJs React.js Amazon Web Services CMS

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Education

  • Bachelor's Degree in Systems Analysis and Development
    UNIVERSITY ANHEMBI MORUMBI
    2021
    Bachelor's Degree in Systems Analysis and Development

Skill set

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