Jose Berna
Ingeniero De Sistmas
Santiago De Cali
Summary
Adaptable blockchain engineer with a unique blend of technical expertise and creative design philosophies. Dedicated to developing cutting-edge solutions, specializing in risk-based security assessments and control matrix reviews. Continuously driving innovation in the application range and concentrations of blockchain technology.
Overview
16
16
years of professional experience
Work History
Blockchain Developer
Zelity
Santiago De Cali, Departamento del Valle del Cauca
04.2022 - Current
- Developed smart contracts for various applications, streamlining business processes and reducing costs.
- Designed and built scalable blockchain networks, enabling rapid deployment of new projects and initiatives.
- Provided technical guidance to team members during project development, ensuring adherence to best practices and established standards.
- Enhanced blockchain security by implementing advanced cryptographic techniques and protocols.
- Development and design of Smart contracts with Solidity.
- Management of smart Contracts with Remix and RedHat.
- Management of deployments to the Etherium Blockchain network.
- Backend development with Nodejs and REST API.
- Development and design of NFTs under the ERC721 protocol.
- Frontend development with Reactjs and ReactNative
Java Developer
Annmichel
Santiago De Cali, Departamento del Valle del Cauca
01.2024 - 10.2024
- Reviewed code and debugged errors to improve performance.
- Ensured seamless integration of Java-based applications with databases, APIs, and other systems.
- Developed user-friendly interfaces for web applications, improving user experience and satisfaction.
- Reduced software bugs by conducting thorough unit testing and collaborating with QA teams.
- Implementation of Axelor Java framework.
- Development on Axelor framework for creating new screens.
- Interface development with Java Spring Boot.
- EC2 Server Administration on AWS Cloud
Senior Software Developer Lead
Dip Travel
Miami, Florida
06.2023 - 01.2024
- Built databases and table structures for web applications.
- Coordinated deployments of new software, feature updates and fixes.
- Corrected, modified and upgraded software to improve performance.
- Designed and developed forward-thinking systems that meet user needs and improve productivity.
- Definition of architecture to be developed, microservices.
- Development and implementation of the architecture to be developed with nodejs and nestjs.
- Backend development with NodeJS and NestJS.
- Management of backend deployments to AWS EC2 with a dockerized system.
- Frontend deployment management to AWS S3.
- CI/CD versioning and continuous deployment management with Bitbucket.
- Frontend development with Reactjs, typescript, javascript, CSS, HTML
- Analyzed work to generate logic for new systems, procedures and tests.
- Estimated work hours and tracked progress using Scrum methodology.
Full Stack Software Developer
Alivi Healt
03.2022 - 04.2023
- Integrated third-party APIs to enhance overall application functionality and improve user experience.
- Continuously updated skillset through professional development courses, staying current with industry trends and emerging technologies.
- Define CI/CD strategy for backend on Serverless with AWS.
- Develop CI/CD strategy for backend on Serverless with AWS.
- Backend development in Nodejs with Serverless.
- Frontend development in Angular.
- Version management with CodeCommit and GitHub.
Full Stack Software Developer
WiHermes
02.2016 - 03.2022
- Integrated third-party APIs to enhance overall application functionality and improve user experience.
- Continuously updated skillset through professional development courses, staying current with industry trends and emerging technologies.
- Demonstrated strong problem-solving abilities by quickly identifying and resolving defects, leading to increased application stability and user satisfaction.
- Conducted thorough code reviews to maintain high standards of quality and consistency throughout the project lifecycle.
- Define marketing strategy.
- Design project development methodology.
- Definition of the business model for mobile and web projects.
- Design the architecture of mobile and web projects.
- Direct the development of mobile and web projects.
- Accompaniment to clients in entrepreneurship calls.
- Version management with GitHub, Bitbucket, GitLab.
- Backend development with microservices and monolithic architecture in Nodejs.
- Backend development with Java and the Spring Boot framework.
Android Developer
Yettu Consulting Services
01.2015 - 01.2016
- Created custom mobile applications using native technologies.
- Consistently used Android SDK to produce highly effective and nuanced content.
- Reduced application crashes by proactively monitoring crash analytics reports and addressing any issues found.
- Worked closely with UI/UX designers to translate wireframes into fully functional Android apps that met both design specifications and user requirements.
- Design the architecture of mobile applications.
- Implement designs within Android.
- Manage the Android mobile application.
- Mobile frontend development with native Android.
- Version management with GitHub.
- Deployment management on Google Play.
Developer SOA
Centro Médico Imbanaco
01.2013 - 01.2015
- Worked closely with clients to gather requirements and translate them into technical specifications for implementation.
- Continuously updated skills through training courses, workshops, and self-study—staying current on industry trends and emerging technologies.
- Debugged complex software issues, leading to a more stable product release.
- Collaborated with cross-functional teams to ensure seamless integration of new features.
- Analyze current clinic processes to identify their artifacts.
- Develop message flows that allow the BROKER to interact with other services, whether application, process or tasks.
Manage the BROKER execution groups in the different environments. - Manage the BROKER queue manager in the different environments.
- Backend development in Java with the Spring Boot framework.
- Frontend development with Java and HTML.
Version management with GitLab and Bitbucket. - Oracle database administration.
- Management of database stored procedures, PL/SQL.
- Development and design of reports with JReport and JasperReport.
Java Developer
Nexura
09.2009 - 01.2010
- Reviewed code and debugged errors to improve performance.
- Ensured seamless integration of Java-based applications with databases, APIs, and other systems.
- Corrected, modified and upgraded software to improve performance.
- Designed and developed forward-thinking systems that meet user needs and improve productivity.
- Authored code fixes and enhancements for inclusion in future code releases and patches.
- Supported user needs, developing custom functionalities based on feedback and analytics.
- Analyze current processes to make them more effective.
Manage computer resources to optimize processes linked to them. - Develop computer solutions based on user requirements.
Implement IT solutions aimed at the core of the business.
Design and implement migration strategies from Access applications to Java. - Design and implement data migration strategies from AS400 to Oracle.
Management of stored procedures with PL/SQL. - BI management with Pentaho BI, ETL management, Jobs and Transformations.
- Backend development in Java with the Spring Boot framework.
- Frontend development with Java, HTML and CSS.
Version management with GitHub. - Development and design of reports with JReport and JasperReport.
Java Developer
Aeroenvios Cali
05.2009 - 09.2009
- Reviewed code and debugged errors to improve performance.
- Ensured seamless integration of Java-based applications with databases, APIs, and other systems.
- Developed user-friendly interfaces for web applications, improving user experience and satisfaction.
- Reduced software bugs by conducting thorough unit testing and collaborating with QA teams.
- Analyze current processes to make them more effective.
Manage computer resources to optimize processes linked to them. - Develop computer solutions based on user requirements.
Implement IT solutions aimed at the core of the business.
Development under the Java language with monolithic architecture. - Development and design of reports with JReport and JasperReport.
- Backend development with Java.
- Frontend development with Java and HTML.
- Contributed to the successful completion of projects by meeting tight deadlines and delivering high-quality code.
- Designed scalable architecture for web applications to drive traffic growth.
- Improved system stability and performance by identifying and fixing critical bugs.
Education
Master of Science - Blockchain
Esden Business School
Madrid, España 10.2024 - Current
AWS Certified Cloud Practitioner CLF-C02 - AWS
Udemy
Online 01.2023 - 01.2024
Blockchain Certificación Oficial BCPC De Certiprof - Blockchain
Udemy
Online 12.2020 - 12.2020
Bootcamp Blockchain/Web3 De Cero A Experto - Blockchain
Udemy
Online 01.2021 - 02.2021
Desarrollo De Aplicaciones Web Con NextJS - NextJS
Udemy
Online 05.2001 -
Desarrollo De Backends Con Microservicios En Nodej - NodeJS
Udemy
Online 05.2001 -
Desarrollo De Aplicaciones Híbridas Reactnative - ReactNative
Udemy
Online 05.2001 -
Desarrollo De Aplicaciones Web Con Angular - Angular
Udemy
Online 05.2001 -
Desarrollo De Aplicaciones Web Con Reactjs - React
Udemy
Online 05.2001 -
Administración Y Gerencia De Proyectos Con Scrum - Scrum
Centro Médico Imbanaco
Santiago De Cali, Colombia 05.2001 -
Bachelor of Engineering Technology - Ingenieria De Sistemas
Universidad San Buenaventura Cali
Santiago De Cali, Colombia 05.2001 -
Skills
Smart contract development
Solidity programming
Front-end development
Hyperledger fabric
Blockchain architecture
Nodejs development
Decentralized applications
Cross-chain solutions
API integration
Web3js library
Truffle framework
Adaptability
JavaScript programming
Project management
RESTful apis
Agile development
Web3js
Token economics
Docker and containerization
Scrum
ReactJS
NodeJS
ReactNa
Angular
NextJS
Timeline
Master of Science - Blockchain
Esden Business School
10.2024 - Current
Java Developer
Annmichel
01.2024 - 10.2024
Senior Software Developer Lead
Dip Travel
06.2023 - 01.2024
AWS Certified Cloud Practitioner CLF-C02 - AWS
Udemy
01.2023 - 01.2024
Blockchain Developer
Zelity
04.2022 - Current
Full Stack Software Developer
Alivi Healt
03.2022 - 04.2023
Bootcamp Blockchain/Web3 De Cero A Experto - Blockchain
Udemy
01.2021 - 02.2021
Blockchain Certificación Oficial BCPC De Certiprof - Blockchain
Udemy
12.2020 - 12.2020
Full Stack Software Developer
WiHermes
02.2016 - 03.2022
Android Developer
Yettu Consulting Services
01.2015 - 01.2016
Developer SOA
Centro Médico Imbanaco
01.2013 - 01.2015
Java Developer
Nexura
09.2009 - 01.2010
Java Developer
Aeroenvios Cali
05.2009 - 09.2009
Desarrollo De Aplicaciones Web Con NextJS - NextJS
Udemy
05.2001 -
Desarrollo De Backends Con Microservicios En Nodej - NodeJS
Udemy
05.2001 -
Desarrollo De Aplicaciones Híbridas Reactnative - ReactNative
Udemy
05.2001 -
Desarrollo De Aplicaciones Web Con Angular - Angular
Udemy
05.2001 -
Desarrollo De Aplicaciones Web Con Reactjs - React
Udemy
05.2001 -
Administración Y Gerencia De Proyectos Con Scrum - Scrum
Centro Médico Imbanaco
05.2001 -
Bachelor of Engineering Technology - Ingenieria De Sistemas
Universidad San Buenaventura Cali
05.2001 -
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