API Integration Developer

Barcelona/Sant Cugat Professional

ERNI is looking for a API Integration Developer for one of our most important customers from the pharmaceutical industry.

You will be working on a Web application that connects to the API and your first role will be the middleware develop and building of the app, focused in APIs development.

About the position


  • Design end-to-end integration solutions to support end-to-end ingestions.
  • Capable to get requirements, analyze and propose the best solution focused on value offered.
  • Creation, maintenance of documentation related to ingestions and/or related integrations.
  • Solution design best practices on Restful APIs.
  • API driven communication around datalake on AWS.


Must have:

  • 4 years or more of experience working in Agile environments.
  • Design and development experience of APIs (REST + SOAP) and Dockers (Docker Desktop).
  • API Management platform experience like MuleSoft AnyPoint, Apigee, etc.
  • Experience in microservice development (at least 3 years).
  • Broad experience on API Solution preferable API management, tool suit from AXWAY API Manager + Stoplight.
  • Solid knowledge about OAS (Open API Specification), ODATA, Groovy, XSLT / XML / XPATH / JSON PATH, SOAP Services, etc.
  • AWS application integration services (Kinesis, SQS, SNS, EventBridge, etc.).

Nice to have:

  • Good communication and management with stakeholders.


  • Permanent contract.
  • Full Home Office on Covid an 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 race price for your relatives.
  • 100% salary coverage for sick leave.
  • Free language courses: English, Spanish, 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, Al, Data, Software Development.
  • Paid certifications in our Expertise Areas: DevOps, Agile, QA, Cloud, Al, Data, Software Development.
  • Rewarded certifications from 200€ to 1.400€ per certification depending on the certification subject 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

Mendes Gonçalves Verónica (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!