Wesley Akio, Developer in Curitiba - State of Paraná, Brazil
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Wesley Akio

Verified Expert  in Engineering

Cloud Developer

Location
Curitiba - State of Paraná, Brazil
Toptal Member Since
April 7, 2015

Wesley is a software engineer with a background in systems development and architecture who has been part of large projects in media streaming, VoIP, service portals, and mobile apps. He has experience as a lead developer, solutions architect, and product owner and is looking for the next exciting product to build and transform.

Portfolio

Carbon Capture Startup
Amazon Web Services (AWS), React, NestJS, IT Project Management, Leadership...
Aviation Safety Company
Flutter, Dart, Firebase, Google Cloud, Digital Signatures, Angular, Node.js...
Education Startup
Node.js, Angular, Elasticsearch, MySQL, Technical Leadership, Full-stack, APIs...

Experience

Availability

Part-time

Preferred Environment

Node.js, Firebase, Kubernetes, Google Cloud Platform (GCP), Amazon Web Services (AWS), Docker, Deno, Supabase, MongoDB

The most amazing...

...thing I've coded is a JavaScript and Canvas hardware simulator for a z80-based MP3 player that allowed me to debug Assembly code right into the browser.

Work Experience

Project Lead

2022 - 2023
Carbon Capture Startup
  • Led a team of 16 members in migrating the entire platform from Amazon data centers in Europe to the US.
  • Implemented a seamless migration plan that ensured minimal downtime for the platform during the transition.
  • Rewrote the entire front end of the platform using React functional components, improving its performance and user experience.
  • Overhauled the back-end architecture using NestJS, resulting in a more scalable and maintainable system.
  • Reduced operational costs by optimizing the platform's infrastructure and resource utilization in the AWS environment.
  • Ensured data integrity and security during the migration process, maintaining the confidentiality of sensitive user information.
  • Collaborated with cross-functional teams to ensure a smooth transition and alignment with business goals.
  • Trained and mentored team members to enhance technical skills and promote a positive work environment.
Technologies: Amazon Web Services (AWS), React, NestJS, IT Project Management, Leadership, Cloud Migration, Technical Leadership, Software Architecture, Full-stack, APIs, SQL, Architecture, Cloud Platforms, Databases, Amazon Cognito, Stripe, GraphQL, Auth0, TypeScript, PostgreSQL, API Integration, Next.js, SaaS, Development, Integration, Agile, CI/CD Pipelines, Data Modeling

Tech Lead

2019 - 2023
Aviation Safety Company
  • Created a mobile app for aircraft pilots, owners, and operators, enabling them to see the status of the aircraft and equipment as well as regulatory compliance updates in real-time.
  • Developed a web app for maintenance shops, enabling direct access to the aircraft history and well as any notes made during operation for a streamlined upkeep experience.
  • Developed AI-assisted data input systems for aircraft data collection and sanitization, significantly speeding up the collection and processing.
Technologies: Flutter, Dart, Firebase, Google Cloud, Digital Signatures, Angular, Node.js, Android, iOS, Crashlytics, TypeScript, PostgreSQL, API Integration, AI Integration, Budgeting, SaaS, Subscriptions, Development, Integration, MVP Design, Agile, CI/CD Pipelines, Data Modeling, Mobile Development

Team Leader

2020 - 2021
Education Startup
  • Led a team of five in successfully migrating the platform from Ruby on Rails (ROR) to Node.js and Angular.
  • Oversaw the migration of the search functionality from MySQL to ElasticSearch, significantly improving search speed and accuracy.
  • Implemented automation in the delivery pipeline, resulting in quicker and more efficient updates for the platform.
Technologies: Node.js, Angular, Elasticsearch, MySQL, Technical Leadership, Full-stack, APIs, SQL, Architecture, Cloud Platforms, Databases, Payment Gateways, Stripe, Android, GraphQL, TypeScript, API Integration, Budgeting, SaaS, Subscriptions, Development, Integration, Agile, CI/CD Pipelines, Data Modeling

Lead Systems Architect

2020 - 2021
Data Analytics Startup
  • Engineered a robust and scalable architecture to seamlessly integrate and pull millions of data points daily from uncooperative APIs.
  • Designed data consistency strategies to handle offline or unresponsive data sources.
  • Implemented data validation techniques, resulting in a 99.9% accuracy rate for ingested data.
  • Led a cross-functional team to conduct load testing, stress testing, and performance optimization, resulting in a system capable of handling peak data loads efficiently.
  • Conducted regular code reviews and provided technical guidance to team members, contributing to improved coding practices and code quality.
  • Participated in client meetings, understanding their unique data integration needs and translating requirements into scalable architectural solutions.
  • Contributed to the creation of technical documentation and knowledge-sharing sessions, fostering a knowledge-sharing culture within the organization.
Technologies: IT Systems Architecture, Data Engineering, Google Cloud Platform (GCP), Angular, Node.js, Cloud Tasks, Technical Leadership, Software Architecture, Full-stack, APIs, SQL, Architecture, Cloud Platforms, Databases, Payment Gateways, Flutter, Dart, Stripe, GraphQL, PostgreSQL, API Integration, SaaS, Development, Integration, Agile, CI/CD Pipelines, Data Modeling

Senior Software Analyst

2008 - 2012
GVT
  • Updated the voice network core using Cisco routers, firewalls, and switches.
  • Created a nationwide multi-platform music service from the ground up using Frex, FMS(rtmp), Wowza(rtsp), HTML5, Java, and Android Java.
  • Rebuilt the VoIP infrastructure for a leading Brazilian VoIP provider using FreeSWITCH and Java.
  • Rebuilt the infrastructure for a major web content provider using Varnish, Nginx, Apache, F5 BigIP, Cisco ASA, Cisco L3 switches, and CentOS.
Technologies: RHEL, Cisco Networking, VoIP, Flex, C, Java, REST APIs, APIs, SQL, Databases, Payment Gateways, API Integration, Development, Integration, MVP Design, IT Management

Software Developer

2005 - 2008
EMBRAVideo
  • Created educational software using Macromedia Flash before Flash was an Adobe product.
  • Created video streaming educational websites for private schools using Flash and Flash Media Server.
  • Developed a web portal with online assignment and test taking for schools using PHP, MySQL, HTML, CSS, and JavaScript.
  • Maintained the servers and firewalls for the platforms using Debian Linux, Iptables, Apache, FMS, and MySQL running collocated hardware from Savvis.
Technologies: MySQL, JavaScript, CSS, HTML, PHP, APIs, SQL, Databases, Development, Integration, IT Management

GVT Music

A music streaming service sold as VAS to broadband customers.

VPink

A mobile tool (the app, not the website itself) for door-to-door sales.
2008 - 2012

Bachelor of Technology Degree in Systems Development

FAE - Curitiba

Libraries/APIs

Node.js, REST APIs, jQuery, React, Stripe

Tools

Google Kubernetes Engine (GKE), Crashlytics, Auth0, JetBrains, GitLab, Google Compute Engine (GCE), Amazon Cognito

Frameworks

AngularJS, Express.io, MoleculerJS, Flutter, Express.js, Angular, Flex, NestJS, Next.js

Languages

TypeScript, JavaScript, Java, SQL, Dart, HTML, CSS, PHP, GraphQL, Objective-C, C

Paradigms

Microservices Architecture, Agile, Kanban, Scrum, XP, Mobile Development, Microservices

Platforms

Kubernetes, Linux, Firebase, Amazon Web Services (AWS), Docker, Android, iOS, MacOS, Google Cloud Platform (GCP)

Storage

MySQL, Cloud Firestore, Google Cloud, Databases, Elasticsearch, GlusterFS, Firebase Realtime Database, PostgreSQL, Ceph, MongoDB

Other

Cloud, Front-end, Architecture, CTO, CEO, Technical Leadership, Software Architecture, Full-stack, APIs, Cloud Platforms, API Integration, SaaS, Development, Integration, CI/CD Pipelines, Data Modeling, VMware ESXi, Google Cloud Functions, Firebase Cloud Functions, Serverless, NATS, AI Integration, Budgeting, Subscriptions, MVP Design, IT Management, VoIP, Cisco Networking, RHEL, Deno, Supabase, IT Project Management, Leadership, Cloud Migration, IT Systems Architecture, Data Engineering, Cloud Tasks, Payment Gateways, Digital Signatures

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