Senior Software Engineer

Gustavo
Weinschütz

Senior full stack engineer with 15+ years building scalable systems across healthtech, pharma, finance, and logistics.

Backend specialist in PHP and Laravel, with strong experience in Vue, PostgreSQL, and CI/CD.

Experience

Healthtech, pharma, finance, logistics, and CRM.

  1. Oct 2025 — Present

    Software Engineer (Freelance)

    Self-employed · Remote

    Operate as an independent consultant under G. P. Weinschütz Softwares M.E., partnering with clients to ship full-stack features in PHP, Laravel, and Vue.js. Engage end-to-end, from translating business needs into technical scope, to delivering features and resolving critical incidents in production systems.

  2. Aug 2021 — Aug 2025

    Senior Technical Lead

    Adeva · Remote

    Led the engineering of a HealthTech platform supporting clinical research, designing scalable Laravel/PostgreSQL APIs and HIPAA-aware data workflows handling sensitive patient and trial data across multiple tenants. Implemented Auth0 SSO, hardened GitLab CI/CD with Docker, and set engineering standards for testing and code review across distributed teams.

  3. Oct 2016 — Aug 2021

    Senior Software Engineer / Team Lead

    Modus Create · Remote

    Delivered platforms across pharma and finance over a five-year tenure using PHP, Laravel, Vue.js, and MySQL, supporting high-volume data ingestion from thousands of clinical sites under strict regulatory compliance. Grew from senior IC into a team lead role—running Agile delivery, building automated validation pipelines, and conducting technical interviews to shape the engineering bar.

  4. Feb 2015 — Oct 2016

    Senior Software Engineer

    Fidelize · Rio de Janeiro, Brazil

    Owned the redesign of a large-scale logistics platform serving pharmaceutical distributors, restructuring core architecture and data flows to support an 8x increase in data-exchange throughput without disrupting operations.

  5. Aug 2012 — Jun 2014

    Software Engineer

    Petaxxon Comunicação Online · Petrópolis, Brazil

    Maintained and evolved the WebLetras platform and client sites in PHP, MySQL, and vanilla JS, with a focus on usability, accessibility, and SEO. Built foundational full-stack and database expertise through close cross-functional collaboration with designers, editors, and clients.

  6. Jul 2009 — Sep 2009

    Junior System Analyst

    Polaris Informática · Vitória, Brazil

    Implemented enterprise authentication and IAM for Vale (one of the world's largest mining operators), using Novell iChain, Access Manager, and Java, enabling SSO across mission-critical applications. Partnered with internal IT and security teams on integration and compliance.

  7. Mar 2007 — Jun 2009

    Software Engineering Team Lead

    Polaris Informática · Vitória, Brazil

    Led a cross-functional team delivering Java-based enterprise systems on Oracle and MS SQL Server, owning the full SDLC from requirements to production deployment. Mentored developers and established Agile, code-review, and architecture standards that anchored the team's engineering practice.

  8. Aug 2006 — Dec 2006

    Software Engineer

    LNCC · Petrópolis, Brazil

    Developed 3D craniofacial reconstruction software in C++/Qt/VTK for biomedical research, implementing image processing and mesh generation pipelines used in prosthesis modeling. Collaborated with research teams from LNCC and USP São Carlos on CT-based reconstruction methods for clinical applications.

Skills

Backend

  • PHP
  • Laravel
  • REST APIs
  • OOP

Frontend

  • Vue.js
  • JavaScript
  • TypeScript
  • HTML/CSS

Data & Integrations

  • PostgreSQL
  • MySQL
  • Database Optimization
  • Auth0 / SSO

Cloud & DevOps

  • AWS
  • Docker
  • GitHub Actions
  • CI/CD
  • Unit Testing
  • Git

Leadership & Process

  • Agile / Scrum
  • Team Leadership
  • Mentorship
  • Code Review
  • Technical Interviews

Contact

Let's talk.

Click the button below to book a 30 minute intro call on my Cal.com page.

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