Edgar E.

Edgar E.

Vitoria, Espirito Santo, Brazil
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About Me

Edgar is a Senior Software Engineer and Systems Architect with over 20 years of experience building distributed systems and guiding engineering teams at startups and global companies. He has built systems for industries from eCommerce to aviation and defense projects, always focusing on scalable cloud architecture, clean design, and team collaboration. Alongside his engineering work, Edgar is doing a PhD in AI, researching how bots can help humans regulate their emotions. His work interfaces the Industry and academic worlds, bringing solid innovation to real users, with systems that are efficient and human-like.

Frontend

Backend

Database

DevOps

Other

Work history

UpStack
UpStack
Senior Back-end Engineer
2016 - Present (9 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

Spacebox Digital
Spacebox Digital
Senior Front-end Developer
2025 - 2025
Remote

Implemented features for Headless Commerce websites using React, TypeScript, Remix, Shopify, Hydrogen, Pack, Directus, Astro, and Tailwind.

Headless Commerce React TypescriptRemix ShopifyDirectus Directus CMSAstro TailwindCMSeCommerce
Zenni Optical
Zenni Optical
Senior Software Engineer
2023 - 2025 (2 years)
Remote
  • Built mission-critical microservices and UIs from scratch for B2B eCommerce projects, including Meta Quest 3, Amazon Echo Frames, Eyebot, and US Vision.

  • Developed scalable, multi-tenant systems with TypeScript, PostgreSQL, Vue.js, GCP Pub/Sub, and FusionAuth.

  • Integrated third-party services like Magento, Algolia, and OneSignal to extend product capabilities.

  • Mentored teammates and promoted knowledge-sharing through hands-on technical guidance.

  • Collaborated with globally distributed, multicultural teams to ensure timely and aligned deliveries.

Scopio
Scopio
Principal Software Engineer
2017 - 2023 (6 years)
Remote
  • Led end-to-end development of the Scopio ecosystem - infrastructure, back end, and front end.

  • Built core services with Node.js, TypeScript, GraphQL (Apollo), AWS SQS, RabbitMQ, Redis, and PostgreSQL.

  • Developed a content-aware search system and ML image processing tools using Python (CLIP), Go, and Elasticsearch.

  • Delivered modern cross-platform front ends with React.js, React Native, and Shopify.

  • Managed a team of 6 engineers, providing technical mentorship and ensuring scalable, high-quality delivery.

  • Led the team in building the entire mobile app ecosystem, including high-performance microservices, a scalable fan-out activity feed, and optimized image processing flows.

  • Played a pivotal role in business strategy and technical decision-making, aligning execution with long-term vision.

Evoware
Evoware
Principal Software Engineer
2016 - Present (9 years)
Vitoria, ES, Brazil
  • Engineered a real-time gambling engine with distributed microservices using Node.js, gRPC, .NET Core, GraphQL, Redis, and RabbitMQ.

  • Led architecture and development of corporate systems in Java, PHP, and BI tools for data-driven decision-making.

  • Delivered high-performance mobile solutions for aviation and defense under strict compliance standards.

  • Provided Oracle DB administration and consulting, ensuring enterprise-grade availability and scalability.

  • Aligned cross-functional teams across 9 time zones, driving collaboration in a multicultural environment.

Translated
Translated
Software Developer
2016 - 2016
Remote
  • Developed new front-end and back-end features for the software MateCAT using PHP, JavaScript, React, and SaaS.

  • Built key features integrating MateCAT with Google Drive API and Google Speech API.

PHPJavaScriptReact.jsSaaSGoogle Drive API Google Speech API
MAG Consulting and Development
MAG Consulting and Development
Systems Architect | Web Developer
2010 - 2015 (5 years)
Vitoria, ES, Brazil
  • Conducted project analysis and developed corporate cloud-based Java systems.

  • Coordinated the establishment of new international partnerships (Infor, Evault, MicroStrategy, Dell, and Panasonic).

  • Created innovative marketing campaigns, comprehensive employee training plans, and graphic analytical tools with internal KPIs for the customer support team.

  • Implemented new and complex development platforms.

  • Collaborated in different capacities across numerous teams including Oracle database administration (Linux servers), external consulting, creating/maintaining the intranet and the institutional website, creating customer/senior manager analytical modules, and developing/implementing new platforms and technologies.

Java.NETASP.NET MVCOraclePHPNetwork Administration IT Systems Architecture Web Development

Showcase

Lead Back-end Engineer - Chatter
Lead Back-end Engineer - Chatter
  • Chatter is an app focused on making new friends and connecting with celebrities, while also fundraising for a charitable cause.

  • The project lead developed the company's REST API, working in a multi-cultural team across nine time zones.

  • Developed both the front- and back-end of a payment web view using Node.js, MongoDB, AWS, One Signal, Stripe, and Branch.io.

Full-stack Developer - Mag Business Intelligence
Full-stack Developer - Mag Business Intelligence
  • Mag Business Intelligence is a modern and robust business intelligence solution.

  • The project was led by the developer who conceived, designed, and developed it.

  • Technologies used include Java, Oracle, and JavaScript.

Full-stack Developer - VAFlight
Full-stack Developer - VAFlight
  • VAFlight is a virtual assistant for flight simulation.

  • It’s a multi-agent system that creates virtual learning assistants.

  • The project was led by the developer, utilizing Node.js technologies.

Full-stack Developer - AIS Mobile
Full-stack Developer - AIS Mobile
  • AIS Mobile is a mobile solution for Aeronautical Information Service.

  • It encompasses concept, design, and development activities.

  • The project is a full-stack developer initiative.

Full-stack Developer - MIS
Full-stack Developer - MIS
  • Management Information System is a mobile business intelligence solution for a hardware trading company.

  • The project was led by the developer, focusing on concept, design, and development.

  • The system is a mobile solution.

Education

PhD Artificial Intelligence, Neuroscience and Behavior (in progress - expected Apr 2026)
PhD Artificial Intelligence, Neuroscience and Behavior (in progress - expected Apr 2026)
Vrije Universiteit Amsterdam
2022 - Present (3 years)
MSc Information Technology
MSc Information Technology
Universidade Federal do Espírito Santo - Brazil
2014 - 2016 (2 years)
BSc Computer Information Systems (CIS)
BSc Computer Information Systems (CIS)
FAESA - Brazil
2006 - 2010 (4 years)