Engineering Team - Jr. Front-End Engineer

Location: Madrid, Madrid, Spain

Type: Full Time

Min. Experience: Mid Level

Junior Front-End Engineer for the Sonata Team

TAPTAP Digital sits at the epicenter of innovation in the media and advertising world. We are mobile
ad tech specialists where data and creative join to digitalize our day to day. Mobile connectivity and
the data tsunami that comes along with it are revolutionizing our everyday lives. TAPTAP leads this
transformation with the products we develop and quickly integrate with our media and advertising
Our Personality: We are ambitious, demanding and optimistic. We are non-conformists, we are
intrapreneurs, working hard together as a team to drive and achieve our ambitious growth plans. In
short, we smell an opportunity where others see vulnerability.
Short Job Description: We are currently looking for a Junior Front-End Engineer for our Sonata
Team. Main part of the work is dedicated to the frontend, but having some knowledge in the
backend will be appreciated. Our frontend stack is mainly focused on React apps & components,
there are many independent components as well, including apps, which are developed entirely in
React. And we are still migrating existing parts from the old platform to React. Our backend stack is
mostly powered by Node.js using Express as a web server. We make heavy use of MongoDB but
also use Redis and other database systems.
About you: You are a fresh engineer with at least 2-year experience developing Javascript UI views
using either MVC libraries or Reactive libraries such as React or Vue. You may have some expertise
with the backend, especially with NodeJS and Express, but of course you're not afraid of trying it
when necessary, you like challenges. You are proficient in Spanish and have some knowledge in
English and have excellent communication skills. As a teammate, you are a person eager to learn
new skills and technologies and a person who is constantly evolving with new knowledge that the
whole team tries to spread among all members of the team. You have worked in a startup
environment and understand orderly chaos even though the agile methodology is embedded in
Job description & responsibilities:
● Developing new UI functionality that will be used by users all around the world.
● Developing systems that will interact in real-time with millions of users daily.
● End-to-end responsibility from technical design to deployment and testing.
● Working hand-in-hand with an awesome team of developers and its Product Owner.
● Working closely with other teams: product, operations, marketing…
Requirements of the role:
● +2 years of experience in the same role.
● Frontend development experienced in React, Vue or Angular.
● Fair knowledge in vanilla Javascript
● Experience with REST APIs specification.
● Experience with Javascript ES6/8 standard.
● Knowledge of scss, webpack...
Bonus points:
● Knowledge in object-oriented programming languages (Typescript, JAVA,...)
● Backend development knowledge with NodeJS and Express.
● Experience with Typescript.
● Experience with MapBox GL.
● Experience with Redux.
● Experience with WebSockets.
● Experience with Amazon Web Services use.
● Experience with Agile development practices (Scrum, JIRA).
● Experience with Swagger.
● NoSQL database knowledge (MongoDB and Redis desirable).
● Shipping fast. Not being afraid to try and fail.
● Ability to work independently, set timelines and execute to plan.
● Verbal and written communication skills.
● Consider unit testing is a must, quality assurance is a priority.
● Interest in learning and sharing knowledge with other team members.
● Permanent position based in Madrid
● Strong possibilities of internal promotion in an international profiled firm
● Very Competitive compensation package, according to with the candidate´s profile &
● Ticket Restaurant / Health Insurance
● Company-sponsored training
● Great working environment

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