• Head of IT Operations & QA
• System Administrator & IT Operations

• Marketing Manager Germany
• Social Media & Community Management Junior - Internship

• Chief Sales Officer – Mobile advertising and monetization
• Mobile Advertising Sales Assistent – Internship

• Visual Designer - Web / Mobile
• Product Management for Mobile Apps Internship (iOS, Android and Blackberry)

Job Responsibilities:

• Write logical, simple and performance oriented code
• Work and process large amount of relation and non-relational Data
• Architect, develop and maintain the Data Warehouse and Report System
• Develop an integrated analytics, tracking and monitoring system from Marketing channels all the way to user activity and sales
• Provide business with the reports and insights from all the data accessible via our client-server solution

Job Requirements:

• BS in computer science or Computer Information Systems, or equivalent. MS or PhD is a plus
• Strong MySQL and Redis skills
• Knowledge of Data Warehouse Design
• Proficiency on SQL
• Experience collecting, processing and reporting realtime data

Bonus Points:

• You are a contributor to open source projects and like “hacker culture”
• You have experience or background in system administration, security and operations

yuilop is an international startup headquartered in Barcelona, providing a mobile app based communication service that allows its user to talk for free to any number.
The company is led by an experienced entrepreneurial management team with successful track record and has been financed by international venture capital firms.

yuilop app is currently only available in Germany and constantly ranked Top 5 in the Social networking category in the German itunes store.

We’re looking for someone with passion, experience and proven success that will enhance our team of hard working, fun playing, passionate professionals to provide people around the world the yuilop service so they can communicate for free.

Start date: asap

Location: Barcelona, Spain (preferred) or Murcia, Spain

Offer: We offer creative freedom, competitive salary plus bonus and employee stock options programme, as well as fun work environment in Barcelona city center with a fruit stocked kitchen and more

If you agree that the world is changing and want to be right at the forefront of these changes, we want to get to know you.

Please send your application to careers@yuilop.com

yuilop is an international startup headquartered in Barcelona, providing a mobile app based communication service that allows its user to talk for free to any number.
The company is led by an experienced entrepreneurial management team with successful track record and has been financed by international venture capital firms.

yuilop app is currently only available in Germany and constantly ranked Top 5 in the Social networking category in the German itunes store.

We’re looking for someone with passion, experience and proven success that will enhance our team of hard working, fun playing, passionate professionals to provide people around the world the yuilop service so they can communicate for free.

Start date: asap

Location: Barcelona or Murcia, Spain

Offer: We offer creative freedom, competitive salary plus bonus, as well as fun work environment in Barcelona city centre or Murcia CEEIM with a fruit stocked kitchen and more

If you agree that the world is changing and want to be right at the forefront of these changes, we want to get to know you.

Please send your application to careers@yuilop.com

Estamos buscando un perfil (presencial) que se desenvuelva en la platafroma Windows Phoen 7 para el desarrollo de aplicaciones en lenguaje C#.

Requisitos

• Experiencia en desarrollo de aplicaciones movil y Windows Phone
• Dominio C# y herramientas del SDK de Windows Phone

Valoraremos

• Conocimiento de las Directrices de Interfaz de Usuario para dispositivos Windows Phone 7
• Nociones de Experiencia de Usuario y Accesibilidad en dispositivos móviles
• Experencia con XMPP
• Experiencia en el desarrollo de aplicaciones de mensajería instantánea y VoIP
• Nivel alto de inglés

yuilop is an innovative, international startup based in Barcelona, developing a mobile app based communication service that allows its users to communicate for free with any phone, any phone number and all their friends.

Within 1 month after launch of the iOS version in Germany we reached the Top 3 spot in the Social Networking category right next to Facebook and Skype. Our aim is to not only allow users to talk for free, but also create the best communication experience app in the world.

We’ re looking for creative, passionate new friends who want to share the startup experience of a new company with fresh ideas and big ambitions.

Job title: Senior PHP Developer  

If you are passionate about writing server code, optimizing every bit of it and making things scale to a world-class, international real.time communication product … you will like this position.

You will be responsible for designing and developing the Server-side services and BackOffice of yuilop, as well as collaborating on the web web app of yuilop. You’ll be expected to work collaboratively with the marketing and development teams.

Key Responsibilities:

• Write logical, simple and performance oriented code in PHP
• Build unit tests and performance test driven code
• Code towards a zero maintenance system
• Development of Server side business logic like routing optimization mechanics
• Development of BackOffice functionalities

Requirements:

• BS in computer science or Computer Information Systems, or equivalent. MS or PhD is a plus
• Strong PHP and SQL programming and debugging skills
• Proficiency on MySQL and Business Intelligence Queries
• Experience building and scaling distributed, highly available systems
• 5+ years experience in creating web applications
• Strong attention to detail
• Demonstrated ability to work in a highly collaborative environment
• Language skills: fluent English oral and written, as well as fluent oral Spanish skills
• Self dependent, responsible, reliable, proactive, result-oriented, team player, flexible
• Ambitious, smart, drive to grow and excitement to be part of a young, innovative and fast growing StartUp

Bonus points:

• You are a contributor to open source projects and like “hacker culture”
• You have experience or background in system administration, security and operations

Fast & Functions Challenge (Java or Erlang):

Write code that implements the described functions to be executed as fast as possible:

1. Build a function that given a list of Integers in the range [-65000,65000], the function

returns true if any subset of the list summed is equal to zero. False otherwise.

Example:

■ [0, 1, 2, -3] returns true. As 1+2+(-3)==0.

■ [1, 2, 3, -8] returns false. As no subset summed is equal 0.

■ [1, 4, 5, 2, -3] returns true.

2. Build a function that given a list of Integers pairs in the range [-65000,65000], that

represents {X, Y} Coordinates in a Plane. The function returns the two closest pairs.

○ Example:

■ [{0,0}, {1,20}, {5, 2}] returns [{0,0}, {5, 2}]

■ [{-10,10}, {1,5}, {4, 3}] returns [{1,5}, {4, 3}]

yuilop is an international startup based in Barcelona, providing a mobile app based communication service that allows its user to talk for free to any number.
The company is led by an experienced entrepreneurial management team with successful track record and has been financed by international venture capital firms.

yuilop app is currently only available in Germany and constantly ranked Top 5 in the Social networking category in the German itunes store.

We’re looking for someone with passion, experience and proven success that will enhance our team of hard working, fun playing, passionate professionals to provide people around the world the yuilop service so they can communicate for free.

Start date: asap

Location: Murcia or Barcelona

Offer: We offer creative freedom, competitive salary, plus bonus and employee stock option program, as well as fun work environment in Murcia CEEIM or Barcelona city center with a fruit stocked kitchen and more

If you agree that the world is changing and want to be right at the forefront of these changes, we want to get to know you.

Please send your application to careers@yuilop.com

About yuilop
Founded in November 2010 yuilop has been the first company to provide unlimited free SMS to mobile users in its first step to fulfill yuilop’s vision of a world with free mobile communication.
Inn April 2011 yuilop launched the service in its first market Germany and is preparing the rollout to more international markets in Europe and the rest of the world.