About me - My Resume

Leonardo Gonçalves Montenegro, BSc. Link to heading


Professional Summary Link to heading

Experienced Software Engineer with over 20 years of expertise in backend development with PHP, and 2 years with Golang writing microservices applications. Proficient in modern PHP frameworks like Laravel and Symfony, Agile-driven, with a track record of delivering scalable and robust applications. Passionate about leveraging new technologies to build innovative solutions.


Skills Link to heading

  • Programming Languages: PHP(100%), Golang(50%), Python(20%), JavaScript(40%)
  • Frameworks/Tools: Laravel, Symfony, CodeIgniter, Cake PHP
  • Databases: MySQL, Postgres, MongoDB, Redis, Oracle, MSSQL
  • Other Skills: Agile Methods (SCRUM, KANBAN), CI/CD (GitLab Pipelines), RESTful APIs, RabbitMQ, ElasticSearch

Work Experience Link to heading

Turbine, Lisbon — PHP Software Engineer Link to heading

February 2022 – January 2024

  • Constant optimization of the HKL Shop (https://www.hkl-baumaschinen.de/ and https://www.hkl-baushop.de/ ), which runs above an eCommerce platform built on ORO Commerce (https://oroinc.com/ ). The stack for this project was PHP (Symfony Framework), RabbitMQ, ElasticSearch, and Postgres. I also helped the team implement a minimum observability platform with Grafana and Prometheus.
  • I was part of the Turbine Research and Innovation team. We built an e-commerce MVP with Laravel and Lunar to find fast and reliable alternatives to deploying new e-commerce platforms. The team also developed a picker app with React Native and Laravel to offer to our clients.
  • Also, the Turbine Research and Development team implemented ETL/ELT pipelines with Snowflake, GoodData, and dbt, enhancing data analytics capabilities.

Aubay, Lisbon — Senior Software Engineer Link to heading

July 2019 – February 2022

  • Engineered scalable consumers for Worten’s Order Tracker System using Golang and Kafka, improving real-time order tracking across systems.
  • Developed and optimized integrations for Carlsberg’s PIMCore project with PHP, Symfony, and MySQL, enabling seamless data transformation and XML transfer via SFTP.
  • Resolved AWS stability issues through performance analysis, improving infrastructure reliability.
  • I worked at the support team for Cellfocus/Vodafone for the Back Office Portal Project developing fixes for legacy systems constructed with Zend framework version 1.5, PHP version 5.6, and Microsoft SQL Server.
  • Developed distributed messaging workflows using Golang, AWS Kinesis, and Kafka for Portugal’s largest e-commerce platform integration team.
  • Streamlined deployment pipelines with GitLab CI/CD, reducing deployment time by 25%.

Additional Professional Experience Link to heading

Various CompaniesSenior Web Developer
January 1998 – June 2019

  • Contributed to multiple organizations, including Sympla, Rentcars.com, B2W Companhia Digital, and Mongeral Aegon, in backend and web development roles.
  • Key technologies included PHP, Python, Docker, MySQL, MongoDB, and Symfony, supporting diverse industries like e-commerce, insurance, and hospitality.
  • Notable achievements:
    • Migrated legacy systems to microservices architectures.
    • Integrated RESTful APIs and third-party services to enhance platform capabilities.
    • Implemented scalable solutions for high-traffic platforms using Agile methodologies.

Education Link to heading

Post-graduation in Distributed Systems
Núcleo de Computação Eletrônica - NCE/UFRJ
January 2001 – December 2002

Bachelor’s in Computer Science
Universidade Gama Filho
January 1996 – December 1999


Languages Link to heading

  • English: (B2) Proficient in reading, writing, and speaking