jhonzusa
Experience: 4 years
Yearly salary: $86,000
Hourly rate: $85
Nationality: 🇨🇴 Colombia
Residency: 🇨🇴 Colombia
Experience
Mobile Technical Leader
B2fintech 2024 - 2025
In this project, we developed a Flutter-based mobile application that integrates seamlessly with blockchain technology, enabling users to buy and sell crypto assets and perform transactions through traditional banks. We adopted a clean architecture and managed backend microservices components to ensure high scalability and maintainability. Additionally, we structured and implemented the complete KYC (Know Your Customer) process to guarantee user verification and regulatory compliance. I led the integration with Fireblocks for the secure custody of digital assets and implemented Pomelo services to enable the issuance and management of Mastercard and Visa credit cards, providing users with broader financial capabilities within the app.
Mobile Technical Leader
Wenia S.A.S 2022 - 2024
In the project, we developed an app in Flutter that integrates with blockchain, enabling users to buy and sell crypto assets and conduct transactions through banks like Bancolombia. We implemented a clean architecture and managed all microservices components from the backend to ensure greater scalability. Additionally, we organized the KYC (Know Your Customer) process to ensure client verification and compliance.
Blockchain Developer (Ethereum and Lightning)
Kumuly 2022 - 2022
I am currently developing a mobile application in Flutter to manage cryptocurrencies and a base management to be able to trade in public networks such as Bitcoin through Lightning and allow the adoption of bitcoin to be broader, also working hand in hand with the founders of bitcoin core to help grow plus the community and technology, the tools used are: flutter with dart, on the bitcoin ecosystem side we use the lightning network API and nodes, for liquidity management we use APIs as voltage for infrastructure management.
Blockchain Developer
Michael Page 2021 - 2022
A mobile application was developed in flutter to manage purchases and sales of cryptocurrencies and to be able to trade in public networks such as Polygon and Bitcoin through Lightning and an integration with gemini exchange was organized to be able to manage crypto exchanges, the technologies used are: flutter with dart on the front side, solidity, web3, hardhat are used on the smart contract side, the graphic nodes were also implemented with tools such as infura and moralis, to carry out administrative monitoring of the blockchain.
Microservices Developer
StrationDB 2021 - 2021
They worked on their own project that handled a large data load, and everything was worked as legos which were microservices in Java 11, Maven, Kafka Stream was used for the exchange of information between microservices and containers such as Docker.
Blockchain Developer
Blockchain Academy 2021 - 2021
We create a space where we provide valuable information at a technical level about different technologies related to the blockchain ecosystem. Giving a workshop on how to solve Ethereum challenges, new chain link tools and many more. The workshops are promoted by the people of blockchain Academy every Thursday 18:00 GMT-5. Colombia open time.
Developer Architect
Ceiba Software-Core Suramericana 2019 - 2021
A micro integrator is developed with the purpose of translating from a domain A to a domain B, it was also integrated with other Java microservices to finish orchestrating all the information, this new application was developed in the Java 9 language, with a Framework such as Apache Camel, PowerMock, messaging buses like RabbitMQ and containers like Docker, the entire devops environment was also organized with Jenkins.
Developer Architect
Ceiba Software-Core Suramericana 2018 - 2021
Maintenance to Suramericana Insurance Core, where new functionalities requested by the business are created, tested and integrated; In addition, support is provided in Core applications, which handle all company policies, development tools are used such as: in the language part it is Guidewire, they also use messaging queues like RabbitMQ, in Oracle database, they work with agile methodologies such as Scrum and different design patterns.
Developer Architect
Ceiba Software-Draft ADN Ceiba 2017 - 2018
An application was created for a parking lot in order to keep the entry and exit records of each vehicle regardless of whether it is a motorcycle or car, with the aim of calculating the time of service provided and thus be able to make the account of the cost that each client must pay; tools were used like: Java, Apache tomcat, Framework like: Spring, Hibernate, Rest Services; On the Front End side, Angular 4 was used, working with agile methodologies such as Scrum and the H2 database engine.
Systems Practitioner
Flores de Oriente S.A.S. 2017 - 2017
A feature was implemented in the application of the company, that feature was integrated with biometric readers to control the time of entry and exit of the workers, then the application can calculate hours worked (ordinary, overtime, holiday hours) and export sheets. Through this, the automatic payment of the entire company was allowed, tools such as Java were used in the Apache tomcat server part, in the Front End Angular.js, in the SQL server database.
Skills
ai
aws
blockchain
blockchain-engineer
bnbchain
chatbot
devops
flutter
golang
java
mobile
polygon
python
solidity
terraform
web3
english
spanish