Senior/Leaf Full Stack Engineer (2017-Present, US Based Companies - Remote)

Multiple projects and US Based Companies, using Javascript/Typescript React, Backend C# / Node / Python.

• React, React Native, Javascript, Typescript, Python, C, HTML, CSS, C++, and C#.
• NextJS SSR/SSG/ISR, NestJS w. Prisma, TypeORM, and Sequalize.
• Bootstrap, Material UI, Fluent UI, TailwindCSS, AntDesign, Storybook.
• Web Development, Web Applications, Progressive Web Apps, Web Design, Web Services, Web Core Vitals, and UX.
• React Native, Android, Swift, and IONIC Framework.
• Jest, Enzyme, React Testing Library, Cypress.Io, and Puppeteer.
• AWS (Lambda, ServerLess, S3, DynamoDB, RDS, ... ), Azure (BlobStorage, Bus, ...), and GCP (Firebase and FireStore).
• Node.js, Express, Fastify, REST, GraphQL, Apollo, Flask, FastAPI, .NetCore, and XML.
• PostgreSQL, MySQL, MariaDB, MS SQL Server, Redis, and MongoDB.
• Git, JIRA, Agile, Figma, CI / CD.
• Stripe, Authorize.net, Paypal, Braintree, Payment Services Integrations.
• Sentry, Iterable, Google Analytics, Google Tag Manager, SonarQube, Insomnia, Pino, OpenAPI/Swagger.
• Improving Web Apps for Core Web Vitals Assessment Experience.
• Metamask Cryptowallets integrations with ETH and NFT.
• Hexagonal Architectures with Domain Driven Development (DDD) and TDD.

Senior Business Development Manager, Sanper Technologies SRL (2011–2019, LATAM)

Consulting services. Planning, Development, and Delivering MVP Cods for multiple Projects. I worked in the acquisition of technological products and their distribution. C, Python, Android, Java, Javascript, Typescript, NextJs, NestJs, C# Net, MySQL, WordPress, React, Angular, React Native, Swift, GoLang, PostgreSQL, MSSQL, MariaDB,

Co-Founder, TransaNext SRL (2015–2017, Dominican Republic)

C, C#, Java Fx, Android, JSON, Rest, RPC, GoLang, Node.js, RDS, PostgreSQL, Firebase, Redis, Python, Angular, React**

Chief Technology Officer, Union Telecard Dominicana (2010–2016, Dominican Republic)

Javascript, .Net, Python, MSSQL, DBA, Documentation Specialist, Platform Architect, C, C#, Python, Java, Android, Rest, and JSON.

Senior Software Engineer, Unlimited Recharge LLC (2011–2016, Dominican Republic)

Senior QA, programming in .Net, Oracle, WCF, Entity Framework, Python, C, C#, and MS SQL. I performed the functions of product manager, and development director for POS.

Senior System Software Engineer, Rahaxi Processing Oy (2007-2009, Finland)

I worked as a C, C#, and Java programmer focused on the banking market, implementing EMV, for credit/debit cards with Chip in the northern part of Europe. I developed C# server-side processors to reconcile transactions made by merchants. I perform quality assurance functions for applications made by other members of the company.

Senior Lead Software Engineer, World POS Solutions (2005-2007, Bogota - Colombia)

Programming in C and C ++ focused on financial transaction processing for networks affiliated with VISA, MasterCard, Amex, JCB, and Dinners. I developed applications for both affiliated merchants and credit and debit card transaction authorizers. At that time, I started my specialization studies in Software Engineering.

Support Engineer, Cundinamarca's Goverment (2004-2005, Bogota - Colombia)

I worked as a C, C#, and Java programmer focused on the banking market, implementing EMV, for credit/debit cards with Chip in the northern part of Europe. I developed C# server-side processors to reconcile transactions made by merchants. I perform quality assurance functions for applications made by other members of the company.

• FrontEnd Development, BackEnd Development, FullStack, WebServices, Cloud Computing, Test Automation.

• Programming: Javascript, Typescript, ReactJS, React Native, C, C++, Python, Typescript, C#, HTML5/CSS3, .Net, Java, ...

• Libraries: Apollo, Redux, ApiContext, GraphQL, Bootstrap, Material UI, Semantic UI, Bulma UI, Storybook, BitDev, ...

• Cloud: AWS Services, Amplify, Cloud Formation, App Sync, AWS Lambda, Serverless Framework, GCP FireBase, Firestore and Google Functions.

• Databases: PostgreSQL, MS SQL Server, MySQL, MariaDB, MongoDB, FireBase, Redis, DynamoDB, and RDS.

-- Tools: Cypress, Jest, Jenkins, Git, GitLab, Linux, Jira, BitBucket, Apollo, Redux, Insomnia, SonarQube,

B.E. program in Electronic and Telecommunications Engineering, Universidad de Cundinamarca, Colombia (1999-2005)

• Graduated with Honors Tesis for Electronic Engineering. Minored in Electromedical Projects. Biometric System Design based on Neural Networks for Diagnosis of Cardiac Arrythm on Sinus. Program: Electronic Engineering and Communications. Received Cundinamarca's University, 2005.
• Research Projects Improvement Team Chaquen 2003-2005.

P.B.E.. Software Engineering, Distrital University FPS, Colombia (2006-2007)

• Software Engineering Program.

• Nomination Best College's Student 2005, Portafolio Magazine (2005).
• Honor Degree, Cundinamarca's University (2005)

• XPLATFORM: Gambling Platform Angular/Node/Go/PostgresSQL (2014-present)

• SEGUREX: Insurance Platform React/Python/DynamoDB (2015-present)

• KOMA: Real State Platform React/GoLang/DynamoDB (2019-present)

• CodeMentor.io associate, Workana associate, and Fivver Freelancer.

• Dev.to and Medium Writer.