Backend Developer

Barcelona Senior

In regards to this project, you will join a pharmaceutical international client to help define the architecture of a software which gathers data and helps diabetic patients with their treatment, improving that way their quality of life.

About the position


  • Define software requirements, user stories and tasks in collaboration with product owners and software architects.
  • Design software and implement mission-critical cloud applications and services.
  • Implement and execute unit tests.
  • Collaborate closely with test engineers to support the integration testing of applications and interfaces.
  • Participate in Scrum and other Agile ceremonies as a developer.
  • Participate in design reviews.
  • Ensure high quality software and compliance to internal processes and guidelines.


Must Have:

  • At least 3 years of experience working as a Software Engineer.
  • Relevant professional experience with the following programming languages: C#, .NET and/or Java.
  • Relevant knowledge of Python or another scripting language.
  • Experience utilizing tools such as Visual Studio, Visual Code, IntelliJ IDEA, Postman, Swagger and Git.
  • Hands-on experience on AWS or Azure.
  • Experience in database design and maintenance.
  • Experience in CI/CD.
  • Good understanding of communication protocols such as SSH, HTTPS and Queues.
  • Good understanding of microservice architectures, API design (REST), algorithms and general software design patterns.
  • Experience with the implementation of scalable and distributed systems.

Good to have:

  • Experience with Android and iOS.
  • Knowledge of HTML, JS and React.
  • Experience designing secure software applications.
  • Experience working in regulated environments (MedTech).


  • Permanent contract.
  • Full Home Office on Covid and at least 3 days/week after.
  • Home Office monthly expenses compensation + extend working set up (ergonomic chair, 2 screens…).
  • Self-managed flexible working hours 40h/week +/- 10%.
  • Friday intensive shift.
  • Private medical insurance for you and a competitive flat rate price for your relatives.
  • 100% salary coverage for sick leave.
  • Free language courses: English, Spanish and German.
  • Gym funding.
  • Transportation bonus for non-Barcelona/Madrid city working locations.
  • Re-allocation funding from 1.000€ to 2.000€ depending on the source country.
  • Flexible payroll.
  • Candidates referral program bonus from 1.000€ to 3.000€ depending on the candidate seniority level.
  • Business opportunity referral program bonus from 500€ to 5.000€ depending on the opportunity size and customer.
  • Learning Paths and Technical Coaches in our main Expertise Areas: DevOps, Agile, QA, Cloud, AI, Data, Software Development.
  • Paid certifications in our Expertise Areas: DevOps, Agile, QA, Cloud, AI, Data, Software Development.
  • Rewarded certifications from 200€ to 1.400€ per certification depending on the certification subject and level, in addition to the paid exam.
  • On-line and on-demand paid trainings in platforms such as Pluralsight or Udemy on our Expertise Areas.
  • Events paid under request for topics related to our Learning Paths.
  • Internal technical trainings done by our Subject Matter Experts.
  • Internal Soft-Skills trainings with external trainers as main part of our learning curriculum.

About the recruiter

Arjona Luis Alberto (ERNI)

Email: [email protected]

Trust, Passion, Responsibility and Independence

About us

ERNI was founded in 1994 in Switzerland to develop innovative software for international companies and small to medium­sized enterprises. Today, the ERNI Group has more than 800 employees at 15 locations in 7 countries and continues to grow. Interested?

Sounds interesting?
Apply now!