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Backend Engineer in Barcelona


40,000 - €45,000
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Job Description

Looking for a meaningful job where you can make a difference in the world? Do you like helping others and are you passionate about technology? If so, this one might be for you.
Safe365 is seeking a highly energetic and passionate Software Engineer to
become part of the Safe365 revolution.

Who we are

Safe365, the leading mobile app for elderly care and security in Europe, is revolutionizing one of the biggest and fastest growing markets in the world by reconnecting relatives through their smartphone.
Based in sunny Barcelona, Safe365 uses a GPS mobile locator to improve the safety of every family member regardless of where they are. In case of an emergency, Safe365 also connects your relatives with the closest emergency services at the click of a button.


‣ Computer Science or similar degree.
‣ 3+ years of relevant full-time experience.
‣ Agile versed.
‣ Node js, MongoDB, RabbitMQ, ElasticSearch, Redis.
‣ REST principles and experience in designing REST
APIs for mobile apps.
‣ Strong knowledge of Git.
‣ Continuous Integration/Delivery (Jenkins).
‣ Test Driven Development (TDD) . Integration,
functional, acceptance tests. Strong emphasis on unit
‣ Event-Driven.
‣ Knowledge of geolocation solutions.
‣ Strong Computer Science fundamentals (software
architecture, algorithms, data structures, memory
management, concurrency) with demonstrated ability to
apply these skills to solve hard real world problems.
‣ Design Patterns knowledge.
‣ Experience writing highly efficient asynchronous code.
‣ Own the performance of back-end code. Build efficient
code with the highest levels of performance in terms of
latency, scale, code monitoring and reporting.
‣ AWS, Docker.
‣ MapReduce.
‣ Logstash. Kibana.
‣ Prior experience in a DevOps environment.
‣ BASH, Python.
‣ Quickly diagnose and resolve issues found in
‣ Familiarity with machine learning, data mining, and/
or data science, understanding of predictive analytics
is a definite plus.
‣ Experienced with the full application life cycle from
design through coding,
testing, deployment and support.
‣ Passion for code quality and test automation.
‣ Fast learner.
‣ Strong team spirit. Team player.
‣ To have an innovative mindset.
‣ Able to deliver to deadlines and under sudden
pressure, maintaining accuracy and attention to
‣ Able to work independently, but with flexibility, and
remain part of the team.


‣ Very competitive salary.
‣ Flexible working-time.
‣ Working on a small, talented, cross-functional team.
‣ 100% start-up culture.
‣ Opportunity to be part of the growth and take over
responsibility from an early day on.
‣ Full time position.
‣ Great office location in the center of Barcelona
‣ Free coffee.
‣ The opportunity to change the world and see how
everyone uses the product you build.

About Safe365

  • Cyber Security

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