Cesar Jose Andres Leon Romero Software Engineer

Software Developer

Toptal

Mar 2024 - Current (2 years 6 months)

✔ Senior dev in Payroll software company • Evolved and maintained a Nextjs + Postgres + GCP application to meet CPO expectations. • Unblocked team by implementing Approval’s flow POC to present to CPO and clarify all our blockers and roadblocks. • Implemented the actual Approval’s flow based on the feedback received on POC. ✔ Helped develop the MVP for a HealthTech startup • Evolved a Nextjs + Postgres + AWS application to be HIPAA compliant. • Implemented Principle of Least Privilege, hardening the app’s security. • Architected the B2B version of the app where trials could be uploaded and cross matched with patients while still HIPAA compliant. creating a system where the patient sees the match first, and only shares its data with compa

Software Engineer

QRA Corp

Feb 2022 - Mar 2024 (2 years 2 months)

✔ Participated in the redesign of the frontend application in both UI and UX. • Created an SDK for the web, expanding the business horizon, using Angular and Angular elements. • Re-architected the Chrome extension to allow native interactions with the analyzed content and improve UX. • Implemented new features on the frontend using Angular. • Maintained the existing backend based on Java 9 and Spring Boot. • Participated in the Cloud implementation on Azure. • Optimized the performance of the client (Chrome extension).

K

Backend Developer

Kenect

Mar 2021 - Jan 2022 (11 months)

✔ Participated in the development of different microservices & implemented different integrations between Kenect and client's systems. • Responsible for developing general integration platforms and APIs to allow clients to set up their own integrations without the need of using code in the future. Using Java, Firebase, MySQL and Quarkus. • Conduct backend maintenance, and existing integrations support. Using Java, Spring Boot, MySQL, and React. • Develop new integrations, supporting clients and deploying the integrations to GCP. • Occasionally adding javascript snippets into the Java services using the “Nashorn engine” for Java. • Occasionally add or modify views to the main frontend project using JavaScript and React. • Improve backend r

Software Engineer

Zazmic

Apr 2020 - Mar 2021 (1 year)

- report engine created from scratch - enhance and maintain the platform Client: IDgital Development of a medical SaaS for medical images processing like HL7, FHIR and DICOM. Worked as a full-stack engineer, maintaining and developing components for both the frontend and the backend Participated in microservice development. • Performed code maintenance and testing • Improved some platform functionalities, such as automatic DLQ report for all services by default • Developed tools to parse and handle core medical files without depending on external services • Implemented data-dog on the backend • Worked on hotfixes, giving support to the users • Wrote documentation and articles related to the project, services and archi

G

Software Engineer

Grupo ASSA Argentina

Sep 2019 - Apr 2020 (8 months)

- teach Angular to the team - migrate the client's platform to cloud Client: Equifax - Veraz Migration of the client's system from on-premise to Google Cloud. I was part of an agile full-stack team. • Mentored my teammates on Angular and Javascript • Acted as a referent for my team, helping them make technical and architectural decisions Delivery included: Node.js, Java, Spring Boot, Angular, Postgres, MongoDB, and GCP

Software Engineer

The App Master

Dec 2018 - Sep 2019 (10 months)

Project: Home Cloud Saas that helped manage visits and "IO" on any private location. • Maintained and added features to this project • Deployed a whole new architecture on AWS capable of handling errors and downtime automatically • Developed a new frontend, performing a migration from Angular.js to Angular • Migrated the code to Typescript on the backend and fixed many errors on promise handling, so as to make it more understandable and maintainable • Maintained and added new features to the Android application of this platform Delivery included: Node.js, Java for Android, Angular, MongoDB, and AWS. Project: Core Spaces Saas for a university campus, designed to let students easily rent and "manage" campus rooms. • Work

P

Software Engineer

Pandora Technologies E.I.R.L.

Nov 2017 - Dec 2018 (1 year 2 months)

- close a deal with BVL to start testing platform development - Lead task development in a technical way Project: ERP Worked on the development of an ERP from scratch with a team of other junior full-stack Java developers. Delivery included: Java, Spring MVC, Angular.js, Postgres, and AWS Project: Security System Developed a centralized security platform intended to be a "plug and play" system to manage security for new and existing web applications. The platform included a Spring Boot compatible library that easily integrated the system on a new Spring Boot system development Delivery included: Java, Spring Boot, Angular, Postgres, and AWS Client: BVL Worked directly at the client's offices, developing different so

A

Programmer

AyE CA, Automatismos Industriales del Centro, Australian Centre for International Commercial Arbitration

Mar 2016 - Nov 2017 (1 year 9 months)

- Developed a whole pipeline solution including robot and sensors - Develop industrial solutions developed control views and systems on Allen bradley PLCs and Panels connected the industrial data to administrative dahsboards using VBA, javascript and Java Installed and programmed Kawasaki Robot that used a C like propetary language Made and programmed different solutions using arduino as the core, along with it's c++ like language • Implemented C++ for robotics, embeddings, and high-performance inventory systems in production.

Cesar Jose Andres Leon Romero

About

Detail

Timeline

Résumé

Cesar Jose Andres Leon Romero new_releases

About

Detail

Cesar Jose Andres Leon Romero