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Scala/Polyglot Developer in Barcelona


40,000 - €65,000
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Job Description

  • Leading on-demand staffing marketplace: we integrate the complete process of selecting, hiring and managing the workforce.
  • Automatizing all the aspect of this process, our proprietary “matching technology” allows us to offer a faster and higher-quality service.
  • Integrating very different AI solutions to improve the experience for both our workers and employers (Shift Optimization, Machine Learning algorithms, Quality Score Estimations).
  • Available in multiple countries: UK, Spain, Germany, Sweden, Mexico, Colombia, France and many more by the end of the year.

Main Responsibilities

  • 4+ Year experience as Backend Developer.
  • Proven experience building and maintaining micro-services and APIs.
  • Experience in writing production-quality code and workin with Amazon Web Services
  • Desirable experience with Spark, Hadoop, Kafka, Python.
  • Fluent in English, both written and spoken.

Offer in Short

  • Ownership of projects with direct impact on the product.
  • Salary in the 40k-65k range (depending on experience).
  • Equity package.
  • Discount on Health insurance.
  • Yearly conferences/meetup budget.
  • Working in the sunny Barcelona 2 minutes walk to the city center.
  • Free fruit, free coffee and free lunch on Fridays!


Detailed Job Opening

About us

Jobandtalent is a leading on-demand staffing marketplace, being the first business that integrates the complete process of selecting, hiring and managing the workforce all within a mobile app. The automation of this process, and our proprietary “matching technology”, allows us to offer a faster and higher-quality service, at a much more competitive rate as compared to the rest of the traditional industry players.

We currently have offices located in the UK, Spain, Germany, Sweden, Mexico, and Colombia, with plans to expand to France and Italy by the end of the year.

Working at Jobandtalent

Our culture is defined by the exceptional people who work with us. An environment based on trust, transparency, team collaboration and continuous improvement.

Every Jobandtalent employee enjoys great responsibility but also enjoys the flexibility and the opportunity to develop their creativity. We have a saying: “move fast and break things”, so we prefer to make mistakes than to lose an opportunity.

There are no internal barriers, hence, from engineers to commercials, everyone is encouraged to interact together in order to achieve better ideas. Flat organization and multidisciplinary teams are just some of the structures that define the working environment at Jobandtalent.

The great advantage of working with us is to enjoy the work environment we have created: Common areas to rest, think, talk and our special “update” on Fridays where we will be talking about our recent goals, accomplishments, how we look and future plans for the company. All of this with a meal for all the employees courtesy of the company.

We want to continue growing hand in hand with talented people. We are looking for a person with working knowledge to join our team.

Scala/Polyglot Developer

We are seeking a motivated Backend Developer for the Data Science team (see the JT Engineering Blog about our search engine and our data infrastructure). The perfect candidate is willing to work in a very independent team, that can decide the best technology to use in order to solve a variegated set of challenges. You should be comfortable to switch between different programming languages and/or frameworks, even though experience with Scala is mandatory.

We are working on multiple projects from Scala services for NLP and Information Retrieval problems (ranking of candidates, recommendation systems, etc.), Python prototypes of Machine Learning models (automatically trained and execute within our ETL), APIs that needs to run and monitor very complex optimization problems.

The Data Science team is a very diverse team in terms of experiences and skills, and that is our straight point when facing new complex challenges. We need to design and implement the best solution for any new problem that is presented to us without the sacrifice of a strong and high-qualitative code.

If you like the challenges, learning from different areas, and you are not scared of such a dynamic environment, you just have to apply.


The candidate should be based in Barcelona with sporadically meetings in the Madrid HQ office.

Requirements and Skills

  • Bachelor’s degree in Math, Engineering, Stats or Quantitative field.
  • 4+ Year experience as Backend Developer.
  • Proven experience building and maintaining micro-services and APIs.
  • Experience in writing production-quality code.
  • Experience with Amazon Web Services
  • Knowledge of SQL and NoSQL.
  • Desirable experience with Spark, Hadoop, Kafka, Python.
  • Fluent in English, both written and spoken.
  • A valid work permit to be employed in Spain.

What we offer

  • Salary in the 40k-65k range (depending on experience).
  • Working in the wonderful city of Barcelona
  • Flexible working hours & remote working
  • Equity package
  • Yearly conferences/meetup budget
  • Discount on Health insurance
  • A shiny MacBookPro / Linux machine
  • Free lunch on Fridays! (and of course free coffee 24/7)
  • Very dynamic working environment, we guarantee that you won't get bored!
  • Learn from some of the greatest Engineers, Data Scientists, Designers & Product people in Spain
  • Join us in one of the hottest startups of Spain, learning and contributing with your expertise in innovating the entire job market!

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