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Sebastian Vizcaino

Full Stack Entwickler - JavaScript

Kann in folgende Städte reisen: Stuttgart, Stuttgart

  • 48.7784
  • 9.18001
  • Unverbindlicher Tarif 578 €/Tag
  • Berufserfahrung 7 Jahre und +
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Dieser Freelancer hat angegeben, dass er Vollzeit verfügbar ist, hat dies aber seit mehr als 7 Tagen nicht mehr bestätigt.

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Standort und Mobilität

Stuttgart, Deutschland
Ist bereit bei Ihnen im Büro zu arbeiten, in
  • Stuttgart und im Umkreis von 50km
  • Stuttgart und im Umkreis von 100km


  • 3 bis 6 Monate
  • ≥ 6 Monate


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Geprüfte E-Mail-Adresse


  • Spanisch


  • Englisch


  • Deutsch



Fähigkeiten (21)

Sebastian in wenigen Worten

An Electronics Engineer specialized in software development, programming mobile and web applications using different languages and frameworks. I build web applications from scratch that scale well.

• Programming on JavaScript, TypeScript, PHP, Java, Ruby, C.
• Programming mobile applications on ActionScript 3.0.
• Developing Web applications using Spring Boot, Ruby on Rails, NodeJS, ExpressJS, Boostrap 3, jQuery, AngularJs, Angular 4+, ReactJS.
• Deploying applications using Heroku, IBM Bluemix and AWS.
• Hybrid applications NoSQL/SQL
• MongoDB
  • AWS : S3, CloudFront, EC2, Route53, OpsWorks, ELB, CloudWatch, Elastic Cache, Lambda, RDS, SQS, SNS, EKS
• Algolia search engine,
• APIs: Twitter, Instagram, Google (YouTube Data v3, YouTube Analytics API), Twtrland y Gnip.
• Distributed revision control with GIT.
  • TDD
  • Docker / Kubernetes

Projekt- und Berufserfahrung

Minol Messtechnik W. Lehmann GmbH & Co. KG


Frontend Developer

Berlin, Deutschland

September 2019 - Mai 2020 (8 monate)

  • Development from scratch of a new interactive tool to handle the company’s internal data using React, Material UI, Hooks, Webpack, TypeScript.
  • Implementation of proxy server on Node.js


Digitalagenturen & IT-Consulting

Full Stack Developer

Stuttgart, Deutschland

Oktober 2019 - Mai 2020 (7 monate)

  • Implementation and design from scratch of a react application for an automobile industry client using ReactJS, React Hooks, TypeScript, Docker, css-in-js, etc...
  • Implementation of microservices using Spring Boot, JPA, Spring Batch, Terraform, Azure, Docker, K8s, Helm, among other technologies.
  • Configuration of build pipelines and release pipelines.
  • Implementation of websocket using Stomp protocol between Spring Boot app and ReactJS app for real time updates.
  • Development of batch scripts and configuration of local cluster using docker-compose for local development.



Full Stack Developer

Freiburg im Breisgau, Deutschland

Februar 2019 - September 2019 (7 monate)

- Development of new frontend features using React, CSS-in-JS, Webpack, Atomic design.
- Wrote e2e tests on Nightwatchjs.
- Wrote backend services on PHP with Symfony and MongoDB, Doctrine.
PHP React Symfony MongoDB Nightwatch.js


Digitalagenturen & IT-Consulting

Full Stack Developer

Freiburg im Breisgau, Deutschland

Oktober 2018 - Dezember 2018 (2 monate)

  • Implementation of new features for an automobile industry related application (Daimler) using Angular 6, Node.js, TypeScript, Docker, Redux, RxJS, Less.
  • I had to communicate and work in German only.


Digitalagenturen & IT-Consulting

Full Stack Developer

Stuttgart, Deutschland

November 2017 - Oktober 2018 (11 monate)

Development of features for an Wüstenrot & Württembergische´s app. The app allows users to purchase different kind of insurances.
  • Development on Angular 4/5/6, hapi.js, Node.js
  • Typescript / ES5 & ES6
  • Configuration of CI/CD pipe lines on Circle CI
  • Creation of docker images and deployment of dockerized apps using kubernetes.
  • Sass
  • DevOps
Node.js Angular Typescript Circle CI Docker Kubernetes Sass DevOps Hapi.js


Digitalagenturen & IT-Consulting

Full Stack Developer

Heidelberg, Deutschland

August 2017 - November 2017 (3 monate)

  • Implementation of authentication gateway from scratch to use SAP services by third party services.
  • Development of dashboard using Angular 4 and Node.js to manage, scopes, permissions, apps, etc..
  • Typescript
  • Configuration of the infrastructure required by the project on OpenStack using Terraform.
  • Implementation of OAuth2 server.
  • CI & CD for production and staging enviroments on Travis.
  • Usage of SAML2 and SSL certificates.
Node.js CI/CD Travis Angular

World Food Program

Digitalagenturen & IT-Consulting

Backend Developer

Berlin, Deutschland

September 2016 - August 2017 (11 monate)

ShareTheMeal is the fundraising app of the United Nations World Food Program which enables smartphone users worldwide to help children in need. To date, more than 1'200,000 users have shared over 64 million meals with starving children. ShareTheMeal has received several awards, including the Google Play Award as the best social impact app.

  • Full Stack Development and especially further development of node.js-based APis for the ShareTheMeal mobile apps.
  • Software architecture, planning and migration of database systems.
  • Implementation of integration and unit tests as part of the TDD.
  • Backend DevOps of the AWS-running servers and network infrastructure Integration with third party services such as CMS and Payment providers.
  • Close collaboration with mobile app developers.


Logistik & Supply Chain

Co-Founder and Senior Backend Developer

Bogotá, Kolumbien

Juni 2015 - August 2016 (1 jahr und 2 monate)

I had the responsibility to develop the API from scratch for the company along with the deployment of the application on AWS. I was present in all development lifecycle of the product and organised all the workflow of the company. After 6 months, the company needed expand the software development team so I interviewed and recruited 3 people for this propose. This company received $2 million USD from a venture capital fund and I feel very proud that my work played a key role to achieve this.

  • API Developing from scratch for the company on Node.js using Express.js as MVC framework and MongoDB for the database. This API is used by an AngularJS, iOS and Android app.
  • TDD.
  • Redis for cache and session storage.
  • Deploying on Bluemix (IBM cloud services).
  • Configuring AWS services (EC2, CloudFront, S3, Route53, Load Balancers, Auto-Scaling).
  • Configuring prerender server in order to improve SEO on JavaScript Apps (AngularJS).
  • Configuring Jenkins as a CI server to run mocha tests for every PR.
  • Implementation of Algolia as search engine.
  • Implementation of Braintree and Stripe for online payments.
  • Implementation of Geo-location algorithms.
  • Implementation of for real-time processes and notifications.
  • Google Maps Matrix Distance API.
  • Organization of the development workflow using JIRA.
Node.js Amazon Web Services JavaScript MongoDB AngularJS Redis Bluemix Braintree Stripe TDD


Soziale Netzwerke

Ruby Full Stack Developer

Bogotá, Kolumbien

Januar 2015 - Juni 2015 (5 monate)

  • Development of the company's platform on Ruby on Rails.
  • Implementation of hybrid model between MongoDB and MySQL in order to improve performance on the platform.
  • Using APIs from Twitter, Instagram, Google (YouTube Data v3, YouTube Analytics API), Twtrland and Gnip.


Logistik & Supply Chain

Full Stack Developer

Bogotá, Kolumbien

September 2014 - Mai 2020 (5 jahre und 7 monate)

  • Web application development using MVC.
  • PHP.
  • CakePHP.
  • Design of the second version of the web platform on Ruby.



Software Developer

Bogotá, Kolumbien

Januar 2014 - September 2014 (8 monate)

Mobile and web application developer.

• Developing simulators of chemistry,biology and physics for different platforms (Web,Android and iOS)
• Idea conception and execution. Designing website wireframe.
• Programming mobile applications on ActionScript 3.0
• Programming on JavaScript, HTML5 and CSS3.
• Deploying applications using Heroku.

Ausbildung & Abschlüsse