Matheus Elyasha Lopes

Where I've been building

1. 05/2024 – 11/2025Copenhagen, Denmark

   Software Engineer

   Prezio

   Building the most comprehensive database of electricity prices in Europe.

   • Developed front-end and back-end architecture from scratch.
   • Implemented modules to establish pricing mechanisms of spot pricing and tariffs in Europe.
   • Orchestrated all infrastructure setup on Azure.
   • Established and managed a robust CI/CD pipeline, including unit, end-to-end, and automated testing.
   • Implemented integration with PostGIS, Leaflet and GIS/mapping technologies.
2. 10/2024 – 09/2025United States

   Software Engineer

   Everyset

   A smart tool for background casting and vouchers.

   • Migrated legacy React UI components to Storybook.
   • Did major Node updates in the React applications.
   • Implemented a GitHub Actions pipeline for testing.
   • Migrated the email provider from HubSpot to SendGrid, including the implementation of webhooks.
   • Created multiple back-end endpoints.
   • Delivered multi-voucher and multi-state support in the platform.
   • Worked on UI fixes in styles, alignment, and positioning.
3. 01/2024 – 10/2024United States

   Software Engineer

   BairesDev — Filterbuy

   Full-stack engineer position at Filterbuy.

   • Helped migrate the legacy front-end code base to React.
   • Added new features to their main admin system.
   • Redesigned the main shipping APIs with FedEx and UPS.
   • Migrated from old Django views to modern REST framework APIs.
4. 05/2023 – 01/2024United States

   Software Engineer

   BairesDev — Reddit

   Full-stack engineer at Reddit, improving the Ads Revenue Lifecycle (Billing).

   • Deprecated advertiser-level funding and rolled out employee funds 2.0.
   • Implemented limit system 2.0 for billing accuracy.
   • Implemented the credit line application process.
   • Implemented the consolidated billing page and the schedule funding tool.
   • Conducted bug fixes and small improvements to the admin interface.
5. 02/2022 – 12/2023Curitiba, Brazil

   Senior Software Engineer

   01 Tecnologia da Informação

   A comprehensive platform serving the construction industry in Brazil: price quotes, jobs, suppliers, and highly-rated professionals.

   • Developed front-end and back-end architecture from scratch.
   • Implemented modules to establish pricing mechanisms and connect buyers and suppliers.
   • Orchestrated all infrastructure setup on AWS.
   • Established and managed a robust CI/CD pipeline, including unit, end-to-end, and automated testing.
   • Led the development team, overseeing task assignments and coordinating all Scrum ceremonies.
   • Deployed the application to Google Play Store and Apple App Store (PWA).
   • Integrated the platform with Obra Prima, Brazil's largest ERP for small to medium-sized construction firms.
   • Designed the database schema from scratch, accommodating over 150,000 unique companies (as of 2024).
   • Processed over 2.2 million BRL in transactions during 2022.
6. 05/2021 – 02/2022Brasília, Brazil

   Software Engineer · Technical Lead

   Space AdServer — Cartya

   Technical lead for Cartya, a car rental system serving Brasília and Goiânia.

   • Spearheaded the creation of the project and its reservation backend.
   • Managed a high volume of reservations, including partnerships with major players on the market.
   • Developed the payment gateway interface with Vindi.
   • Integrated the Serasa credit score system (Java 8) to validate user credit profiles.
   • Implemented natural person validation using the Brazilian government's DataValid service.
   • Integrated with the RDCar system to collaborate with major rental companies.
7. 07/2020 – 12/2020Moret-Loing-et-Orvanne, France

   Software Engineer

   EDF

   Building energy management technology.

   • Transitioned outdated Python 2 and Java code to a modern Python 3 (Django) framework.
   • Leveraged Modelica for co-simulations and dynamic thermal simulations.
   • Implemented BuildSysPro for cluster-based execution, optimizing scalability and performance.
   • Configured and scaled private servers using Docker containers.
   • Integrated with Nexus Repository Manager, GitLab, and EDF S3 (MinIO); used Celery and PostgreSQL.
8. 02/2020 – 03/2021Paris, France

   Data Analyst

   BRASA — Brazilian Student Association

   • Helped students who want to study abroad realize their dreams by distributing better information (data) in a more understandable way.
9. 07/2019 – 08/2019Paris Area, France

   Engineer Intern

   ENERTIME SA

   Energy and thermodynamic systems.

   • Studied, inventoried, and upgraded the collective tooling management system and database.
   • Defined and set up tools for technical services and the installation of ORCs, heat pumps, and gas turbines.

Technologies I work with