Guilherme Andre
Technical Account & Integration Architect
Client-facing technical leader bridging customers and engineering teams to ensure successful integrations, secure onboarding, and continuous platform optimization. Strong background in enterprise integration, application security (WAF), and mission-critical platforms, with hands-on experience across IBM DataPower, TLS/mTLS, JWT, DevSecOps, cloud and containers.
Experience
System Solutions Architect
Capgemini
- Acted as primary technical liaison between external partners and internal engineering/product teams for PIX integrations.
- Led technical integration discussions, requirement clarification and secure onboarding of partners.
- Implemented and supported IBM DataPower gateways (MPGW, GatewayScript) with JWS/JWT and SSL authentication.
- Expanded responsibilities into Application Security, implementing and tuning WAF solutions (NGINX as WAF, FortiWeb, Cloudflare) and defining API protection policies (rate limiting, bot mitigation).
- Managed SSL certificate lifecycle and implemented mutual TLS (mTLS) authentication for secure partner communication.
- Coordinated critical incident war rooms and escalations, driving troubleshooting across infrastructure, development and external stakeholders.
- Supported DevSecOps initiatives (CI/CD, automation scripts, observability improvements).
Sep 2020 - Present
Senior Software Developer
Departamento Estadual de Trânsito de Sergipe - DETRAN/SE
- Designed and delivered integrations across infrastructure and development teams, including IBM DataPower (XML Proxy/MPGW) with XSL transformations and SSL authentication.
- Built APIs and web services using Python Flask, ASP.Net and Classic ASP, integrating with financial institutions and government partners.
- Implemented secure solutions such as biometric validation and fraud-prevention flows, and supported modernization initiatives on Linux and Red Hat environments.
Jan 2003 - Sep 2020
Software Developer
SGN Solutions
- Delivered government-focused desktop solutions using Delphi and Microsoft SQL Server, supporting financial reporting and municipal transport ticketing.
Feb 2000 - Sep 2002
Technology Intern
Empresa Sergipana de Tecnologia da Informação - EMGETIS
- Supported government datacenter operations during millennium bug mitigation, applying patches and assisting in internal network support and IBM 3270 terminals.
Jan 1999 - Jan 2000
Side Projects
facil.ink
Nginx, PHP8(FPM), AWS S3, Ansible, GitHub Actions, Podman, Prometheus, Grafana
Multi-tenant SaaS platform providing intelligent URL shortening, link-in-bio aggregation pages, and productivity modules, enabling professionals and small businesses to centralize their digital presence, organize information, and track performance in a simple and scalable way.
2025
strv.pro
Nginx, PHP8 FPM, Python, AWS (Lambda, S3, Rekognition), Telegram Bot
Automatic Unzip Uploaded Images and Catalog Galleries by Facial Recognition. Telegram Bot Interaction.
2023
ValidaNet
Vue.js Frontend + Node.js Backend + AWS (API Gateway, Lambda, RDS, S3, Cognito, SNS)
Generate validation codes for information certification of authenticity and veracity.
2019
Programa Petrobras Jovem Aprendiz
Linux CentOS, Apache, MariaDB, SSL, DNS and PHP web application
Receive social project application forms in a high demand environment (since 2016 in bi-annually cicles)
2018
Clicktorpedo
Linux CentOS, Apache, MariaDB, SSL, DNS and PHP web application
Easy to use self-service web SMS platform in PHP with MariaDB database integrated with Twilio API;
2017
Validador
Linux CentOS, Apache, MariaDB, AWS S3, Shell Script and PHP web application
Generate document security validation with QR code to do online veracity check.
2017
Education
Universidade Tiradentes
Graduated in Strategic Administration and Entrepreneurship
2006 - 2007
Universidade Tiradentes
B.Sc. in Business Administration
2000 - 2004
Instituto Federal de Sergipe
Technical license in Computers
1997 - 1999
Skills
Client & Stakeholder Management
- Technical requirement gathering and clarification
- Cross-team coordination (Engineering, Infrastructure, Security)
- Incident escalation handling and war-room participation
- Partner onboarding support
- Technical documentation and knowledge sharing
Enterprise Integration & API Architecture
- IBM DataPower (MPGW, GatewayScript)
- API Security Design (JWS, JWT, SSL authentication)
- Webhooks & partner integrations
- XML / JSON transformations (XSLT)
- Reverse proxy & gateway architecture (NGINX)
Application Security
- WAF: NGINX (as WAF), FortiWeb, Cloudflare WAF
- TLS / mTLS authentication and certificate lifecycle management
- API protection policies, rate limiting & bot mitigation
DevSecOps & Observability
- CI/CD pipeline support
- Automation (Shell, Python) & Git workflows
- Log analysis, monitoring and troubleshooting
- Prometheus, Grafana; Ansible (foundational)
Cloud & Containers
- AWS (API Gateway, Lambda, RDS, S3, Cognito)
- Azure (integration environments exposure)
- Docker, Kubernetes
Development & Platforms
- Python, ASP.Net, Node.js, PHP, Java, C#
- REST APIs; SOAP/XML web services
- Legacy systems integration (Classic ASP)
- Databases: Microsoft SQL Server, MySQL, MariaDB
Languages
- English – Advanced (Professional Working Proficiency)
- Spanish – Advanced (Professional Working Proficiency)
- Portuguese – Native
Awards
- Recognition as Featured Volunteer Evaluator of MPE Brazil Award: Fundação Nacional da Qualidade - FNQ. 2014
- Recognition as Volunteer Evaluator of MPE Brazil Award: Fundação Nacional da Qualidade - FNQ. 2010
- 2nd Place at State Phase of Business Game Challenge Sebrae: Serviço Brasileiro de Apoio às Micro e Pequenas Empresas - SEBRAE. 2002