Henrique is available for hire
Hire HenriqueHenrique Diniz Silva
Verified Expert in Engineering
Software Developer
Location
São Paulo - State of São Paulo, Brazil
Toptal Member Since
April 6, 2020
Henrique is a natural problem solver, so he’s continuously learning and contributing in a significant way. He’s worked on Java apps for SIM cards and credit cards, kernel drivers along with OS development for LG’s Android phones, C/C++ apps using SoC modems for 3G/4G networks. Henrique has also worked on networking at the kernel using the Android network stack (TCP/IP, HTTP, and other protocols), web apps using React, Vue.js, and Backbone.js, and built back-end apps with Java, Kotlin, and Go.
Portfolio
nullptr
Go, WiFi, Portals, RADIUS, VPN, FreeSWITCH, VoIP
Facebook
Go, React, Terraform, Kubernetes, Hack, RADIUS, WiFi, Git, SQL, Docker...
Estratégia Educacional
Go, Amazon Web Services (AWS), Terraform, Flutter, Vue, Nuxt.js, Consul, Git...
Experience
Availability
Part-time
Preferred Environment
Vue, Amazon Web Services (AWS), C, Terraform, React, Android, Java, JavaScript, Go, Stripe API
The most amazing...
...experience I've had was bringing a challenger bank in Canada to life. I got to support the project from its very first users to its first transactions online.
Work Experience
Software Engineer
2021 - 2022
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- Created the architecture for a VoIP call center application used to manage emergency and support calls on highways.
- Developed an application to manage tickets and incidents reported on the highway with enhanced data gathered by VoIP calls and the Wi-Fi network on the highway.
- Created a captive portal solution using the highway Wi-Fi network to drive users to our support and information application.
Technologies: Go, WiFi, Portals, RADIUS, VPN, FreeSWITCH, VoIP
Partner Engineer
2021 - 2022
- Supported the deployment of Express Wi-Fi networks with LATAM business partners.
- Troubleshot the network integration issues with external partners, identifying problems and working with the product team to solve them.
- Worked with growth managers to identify and propose new features to support partner businesses.
Technologies: Go, React, Terraform, Kubernetes, Hack, RADIUS, WiFi, Git, SQL, Docker, TypeScript, HTTP, REST, Vim Text Editor, Microservices, HTML, Linux, PHP
Senior Software Engineer
2019 - 2021
Estratégia Educacional
- Worked on full-stack features covering mobile (Flutter), web (Nuxt.js and Vue.js), back-end microservices (Go), and DevOps (AWS, Terraform, and Kubernetes).
- Supported the engineering team by helping develop new processes for the department, improving DevOps methodologies, and planning and designing new service features.
- Oversaw launch events and monitored the application's health and performance during critical moments. Troubleshot issues by driving major performance improvements in our application services.
Technologies: Go, Amazon Web Services (AWS), Terraform, Flutter, Vue, Nuxt.js, Consul, Git, SQL, Redis, TypeScript, Agile, Docker, CSS, HTTP, MongoDB, REST, Nomad, Vim Text Editor, Microservices, HTML, Linux
Tech Lead
2019 - 2019
Technisys
- Designed and implemented open banking APIs on Jakarta EE systems.
- Developed a module to process bank payments via Canada's EFT standards.
- Leveraged third-party open banking APIs to connect our customers' bank accounts with our application.
- Implemented customer analytics using Mixpanel and communications using Braze.
- Worked remotely and on-site with Scrum teams in Canada and Latin America.
- Supported developers on their work processes, best practices, and daily challenges.
Technologies: Amazon Web Services (AWS), Mixpanel, Braze, Cordova, Microsoft SQL Server, React, JavaScript, Java, Git, SQL, TypeScript, Docker, Redis, Agile, CSS, HTTP, REST, Vim Text Editor, HTML, Linux
Android Software Engineer
2014 - 2018
LG Electronics
- Worked on the C++ and Java implementation of LG VoIP solution for next-gen mobile networks (VoLTE/VoWiFi). Implemented requirements for voice and video calls, conferencing, and handover between LTE and WiFi mobility during calls using 3GPP standards.
- Worked on the entire stack of the Android Open Source Project (AOSP), from user space Java applications to operating system modules (networking, Bluetooth, data protocol) down to the Linux Kernel (network, device drives).
- Fixed bugs and implemented regional mobile network requirements on 3G/4G Qualcomm and Mediatek SoC modems.
- Worked on low-level drivers that interact with over-the-air networks.
- Implemented systems and tools to support troubleshooting and the development of the LG IMS client.
- Created an IMS core testbed integrated with network simulation systems. Developed a tool to extract and analyze RTP packets over the air.
Technologies: VoIP, IPv6, IPsec, SMTP, RTP, UDP, TCP/IP, Linux Kernel, Kotlin, C++, C, Go, Java, Git, SQL, Docker, Agile, HTTP, REST, Vim Text Editor, HTML, Linux
Co-founder
2014 - 2017
Norin
- Developed a PokemonGo-like mobile app for Renault during São Paulo's International Auto Show. The app promoted the launch campaign of the Captur model with interactivity via Bluetooth LE beacons across the showgrounds.
- Created a digital camera booth and sharing system on Facebook for the 2014 Soccer World Cup. SportTV, a broadcast channel sponsoring the cup, used the booth and Facebook pages.
- Developed applications, websites, and Facebook apps for several clients in Brazil looking to provide digital marketing experiences online and with physical installations.
Technologies: Serverless, AWS Lambda, Node.js, JavaScript, React Native, Git, SQL, Vim Text Editor
Intern
2013 - 2014
Institute of Technology Research of São Paulo
- Developed a data collection system in MATLAB and C for research fellows.
- Helped the technical trials for intelligent transportation systems within the Center for Information Technology, Automation, and Mobility (CIAM).
- Supported the field studies for São Paulo's Traffic Engineer Company (CET), specifically the limitations of automotive radar systems.
Technologies: Machine Learning, JavaScript, C, Git, SQL, Vim Text Editor
Intern
2012 - 2013
Microsoft
- Provided technical and licensing support for Microsoft hosting partners covered under the Microsoft Service Provider Licensing Agreement—SPLA.
- Worked on the technical management team to provide Microsoft solutions to Brazil's top hosting and cloud computing companies.
- Created reports and systems to help the licensing team.
Technologies: Windows Server, Microsoft SQL Server, Cloud Computing, Git, SQL, Vim Text Editor
Intern
2012 - 2012
Intelcav
- Developed smart card products in telecom, identity, ticketing, and financial markets.
- Built various companies' internal document management systems.
- Supported the government certification process for smart card products.
Technologies: RFID, Near-field Communication (NFC), Java, Git, SQL, Vim Text Editor
Experience
Dooppi App
Dooppi is a platform for restaurant-goers to share their experiences and earn points that can be exchanged for benefits. I was one of two developers working on the entire stack of this project. The technology stack was React Native, Node.js serverless applications on AWS Lambda, and PostgreSQL on RDS.
Brightside Bank
The project involved a challenger bank based in Calgary, Canada. I worked as a full-stack engineer in a diverse team of developers, helping bring this bank to life. I got to work on the back end, web, and mobile fronts, along with handling monetary transactions, user profiles, and third-party API integrations.
Estrategia Educacional
An e-learning platform that provides courses, Q&A tests, and practice exams focused on improving students' performance on entrance exams. As a full-stack developer, I worked on the microservices back end in Go, Nuxt.js with Vue, and Flutter for our web and mobile front ends as well as Terraform, AWS, and Kubernetes to manage our infrastructure.
Open Collective
A platform for raising and spending money transparently for communities, projects, and open source software. I acted as a full-stack engineer working with payment processors to implement new payment methods and add new features.
Skills
Languages
JavaScript, HTML, Go, Java, Kotlin, SQL, C, C++, TypeScript, CSS, Hack, PHP
Platforms
Android, Amazon Web Services (AWS), Linux, Docker, Windows Server, AWS Lambda, Mixpanel, Kubernetes, Embedded Linux
Libraries/APIs
React, Node.js, Stripe, Stripe Connect, Vue, RADIUS, Stripe API
Tools
Android NDK, Terraform, Git, Vim Text Editor, Braze, VPN, FreeSWITCH
Paradigms
Agile, REST, Microservices
Storage
PostgreSQL, Microsoft SQL Server, Redis, MongoDB
Other
AOSP, Cordova, Nomad, Consul, HTTP, Cloud Computing, Machine Learning, Near-field Communication (NFC), RFID, Serverless, Linux Kernel, TCP/IP, UDP, RTP, SMTP, IPsec, IPv6, VoIP, WiFi, Engineering, Electronics, Portals
Frameworks
Flutter, Nuxt.js, React Native, Next.js
Education
2009 - 2014
Bachelor's Degree in Electrical Engineering
Centro Universitário da FEI - São Paulo, SP, Brazil
Certifications
APRIL 2017 - PRESENT
Android Developer Nanodegree
Udacity
MAY 2016 - PRESENT
Embedded Linux
Embedded Labworks
MAY 2016 - PRESENT
Embedded Android
Embedded Labworks
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