Lead Server Core Developer (Java/Erlang)
yuilop is looking for a Lead Server Core Developer that will help us change the way the world communicates.
If you are passionate about writing server code and being part of an creative and international team this is your opportunity!
Job Responsibilities
- Write logical, simple and performance oriented code in Java or Erlang
- Build unit tests and performance test driven code
- Code towards a zero maintenance system
Job Requirements
- BS in computer science or Computer Information Systems, or equivalent. MS or PhD is a plus
- 3/4 years of strong Java or Erlang programming and debugging skills
- Knowledge of TCP/IP – UDP/IP and experience with network programming
- Proficiency on XMPP
- Knowledge with Key-Value Databases
- Experience building and scaling distributed, highly available systems
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:
- 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.
- 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}]
Start date: ASAP
Location: Barcelona – First Mobile World Capital!
Offer: We offer creative freedom, competitive salary including employee stock option program, as well as fun work environment in Barcelona city center with a fruit stocked kitchen and more.
Your personal information will be incorporated in a file created and managed by Yuilop, S.L. with registered office at C/ París Nº 207 3º 1ª 08008 Barcelona, Spain, Fiscal Number B65377665. The file has been notified to the Spanish Data Protection Authority. We will use your data to assess your application of enrollment in Yuilop. You can exercise your access, modification, cancellation and opposition rights by sending your request to privacy@yuilop.com
VoIP - Server Engineer
If you are passionate over new technologies and spend most of your time developing code you should join us!
We are a team of engineers involved in the development of a revolutionary mobile product.
Job Responsibilities
- 1-2 years proven domain expertise in developing software of Voice related technologies - high preference for VoIP.
- Communication skills in working and driving discussions with teams, both engineering and marketing.
- Java application software development knowledge
- Demonstrated system and solution level focus while owning and understanding few product components/features
Job Requirements
- BS in Telecomunication or Computer Information Systems, or equivalent. MS or PhD is a plus
- Knowledge of VoIP Protocols SIP, RTP and SRTP
- Knowledge of TCP/IP – UDP/IP and experience with network programming
- Experience building and scaling distributed, highly available systems
Bonus Points
You are a contributor to open source projects and like “hacker culture”
Fast & Functions Challenge (Java or Erlang)
Write code that implements the described functions to be executed as fast as possible:
- 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.
- 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}]
Start date: ASAP
Location: Barcelona – First Mobile World Capital!
Offer: We offer creative freedom, competitive salary including employee stock option program, as well as fun work environment in Barcelona city center with a fruit stocked kitchen and more.
Your personal information will be incorporated in a file created and managed by Yuilop, S.L. with registered office at C/ París Nº 207 3º 1ª 08008 Barcelona, Spain, Fiscal Number B65377665. The file has been notified to the Spanish Data Protection Authority. We will use your data to assess your application of enrollment in Yuilop. You can exercise your access, modification, cancellation and opposition rights by sending your request to privacy@yuilop.com
Director of Carrier Relations / Interconnection
If you are a passionate negotiator, understand the ins and outs of the telecommunication carriers, and like challenges …. become yuilop´s director of carrier relations!
Job Responsibilities
- Coordinate the interconnection of voice and SMS in yuilop by optimizing interconnection agreements (quality and price)
- You will be responsible for negotiating agreements with carriers and of the daily management of the interconnect agreements.
- Stay always up-to-date with the emerging changes in regulatory and technology
- Help with the disputes, claims and complaints with respect to the contracts
- Develop a profound analysis /comparison of prices and quality of the different networks/carriers
- You will have to decide on optimal routing and the overall P&L of SMS and voice interconnection
Job Requirements
- Fluent English
- BS in Telecommunication or Business Studies
- Solid experience in an renown international carrier
- Proven Voice and SMS knowledge
Start date: ASAP
Location: Barcelona
Offer: We offer creative freedom, professional growth, competitive salary plus bonus, as well as fun work environment as part of a young and very talented team in Barcelona city centre with a fruit stocked kitchen and more
Your personal information will be incorporated in a file created and managed by Yuilop, S.L. with registered office at C/ París Nº 207 3º 1ª 08008 Barcelona, Spain, Fiscal Number B65377665. The file has been notified to the Spanish Data Protection Authority. We will use your data to assess your application of enrollment in Yuilop. You can exercise your access, modification, cancellation and opposition rights by sending your request to privacy@yuilop.com
Social Media & Country Manager - German Speaking (Internship)
We are looking for young-minded, ambitious, responsible and self-dependent internet and mobile savvy interns!!
Do you want to lead the yuilop’s German market ?
Come and join our tribe !
Job Responsibilities
- You will manage and organize our forum topic structure and communities
- As the Embassator of your region you will take it to the highest communication exponential
- You will be responsable for promoting our app in social media platforms as facebook, twitter and other channels
- Ensure the creation of community content and stimulation of user involvement and activity
- You will be our blogger and responsible for our marketing guerilla
- Lead the creation and maintenance of user guidelines and FAQs
- Give support and solve problems of user community in forum and social networks
- Identification and reporting of product & service problems, ideas for problem avoidance and improvement potentials
Job Requirements
- German Native Speaking!
- Good communication skills
- Enjoys written communication and interaction with users
- Self dependent, responsible, reliable, proactive, result-oriented, can-do spirit, team player, flexible
- Ambitious, smart, drive to grow and willingness to be part of a young, innovative, motivated and fast growing StartUp
Payed Internship!
Start date: ASAP,
Location: Barcelona, First Mobile World Capital!
Your personal information will be incorporated in a file created and managed by Yuilop, S.L. with registered office at C/ París Nº 207 3º 1ª 08008 Barcelona, Spain, Fiscal Number B65377665. The file has been notified to the Spanish Data Protection Authority. We will use your data to assess your application of enrollment in Yuilop. You can exercise your access, modification, cancellation and opposition rights by sending your request to privacy@yuilop.com
Social Media & Community Manager Junior or Internship - German speaking, Barcelona
Candidates should fit in some (if not all aspects) the DARC profile (Digital, Analytical, Reach, Content) and be young-minded, ambitious, responsible and self-dependant. For the more detailed oriented, here the long version:
Responsibilities
- Manage and Organise of forum topic structure and communities
- Creation of community content and stimulation of user involvement and activity
- Creation and maintenance of user guidelines and FAQs
- Support and resolving problems of user community in forum and social networks
- Collaboration in the online support and user care strategy of the company
- Definition of consumer-to-consumer support concepts
- Identification and reporting of product & service problems, ideas for problem avoidance and improvement potentials
- Follow-up with product development team on problem resolution
Profile
- German speaking!
- Good communication skills
- Enjoys written communication and interaction with users
- Self dependant, responsible, reliable, proactive, result-oriented, can-do spirit, team player, flexible
- anguage skills (fluent/written): English, German, Spanish (ideally)
- Ambitious, smart, drive to grow and willingness to be part of a young, innovative, motivated and fast growing StartUp
Start date: 1. September 2011
Location:Barcelona - First Mobile World Capital.
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