Software Engineer II, Data


Welcome to Aetion! Since our debut in 2013, we have grown into one of the leading science-driven technology companies using real-world evidence to provide innovative healthcare solutions. 

We achieve this with our Aetion Evidence Platform, a software platform used to evaluate the safety, effectiveness and value of medications, delivering better outcomes to patients, medical professionals and clients.  We’ve partnered with top biopharma companies worldwide and are backed by leading venture capital firms to help increase our medical research and expand our product line.

To continue our mission, we are expanding our new, rapidly growing European team who will play a significant role in our growth strategy and global expansion. Joining the company in a rapid growth phase is a great opportunity for you to increase your visibility at the workplace and have a high impact on our business development. We are creating a team of cross-functional, talented and passionate individuals. Are you ready to join our fast-paced adventure and make a difference in people’s lives? 

If yes, we’d love to hear from you. 



Your primary responsibility will be developing transformation logic against disparate datasets in Aetion Evidence Platform. You will work closely with our Product and Science team in developing custom transformation logic for longitudinal data, which is in Java / Python / Scala and / or R, and executed over a Spark cluster. In addition, you will be integral in developing and enhancing our platform and its connections to Spark and a combination of big data infrastructure.  

Opportunity to move into more infrastructure work related to Data Ingestion platform after 9 - 12 months of working on building the pipeline 


The following duties include, but are not limited to:

  • Develop transformation logic to convert disparate datasets into Aetion’s proprietary format.
  • Work with the Science team to develop transformations in Spark SQL and UDFs executed over a Spark cluster.
  • Assess, develop, troubleshoot and enhance our measure system, which utilizes a combination of Java, Scala, Python.
  • Work on a full-stack rapid-cycle analytic application.
  • Develop highly effective, performant, and scalable components capable of handling large amounts of data for over 100 million patients.
  • Work with the Science and Product teams to understand and assess client needs, and to ensure optimal system efficiency.
  • Take ownership from software development and prototyping through implementation
  • Build proprietary cloud-based big data analytics for healthcare and improve core back-end & cloud-based data services




  • Bachelor’s degree or equivalent in Computer Science, Computer Engineering, Information Systems, or a related field.
  • 3+ years of experience or equivalent in the position offered or related position, including 2 year of experience with: developing, maintaining large-scale data ETL pipelines using Java/Scala in AWS, Hadoop or Spark. 
  • Experience working with SQL 
  • Experience working with programming languages like Java or Python or SQL or SCALA.
  • Experience or knowledge of building and optimizing ETL pipelines
  • Experience / Exposure building systems with large data sets
  • Experience translating requirements from product, DevOps teams to technology solutions using SDLC.


  • Working experience with DataBricks
  • Experience building backend modules, low latency REST API in distributed environments using Java, Docker, SQL, MVN, Spring, Jenkins.
  • Experience writing complex SQL queries, UDFs to process large amounts of data across relational, non-relational databases and Spark SQLs.


  • Lead at all levels – Aetion is a diverse workforce of scientific thought leaders and technological innovators coming together with a vision to dramatically improve the Healthcare industry.  Aetion supports and maintains a presence in US international organizations such as ISPOR, ISPE, ASHP, HIMSS and European Medicine Agency.  
  • Located in the US and expanding to European offices with EU headquarters in Barcelona (Spain).
  • Social and energetic office – with a modern layout, and a kitchen with eating/social area and awesome terrace. 
  • Competitive salaries, company ownership stock options, private health insurance, Headspace premium account


    • European Medicines Agency selected Aetion to support safety and efficacy research in Europe
    • Collaboration with the National Institute for Health and Care Excellence (NICE)
    • Strategic partnership with Quinten Health to use Artificial Intelligence and Real World Evidence to reduce research timelines
    • Aetion and Cegedim Health Data long-term partnership to expand real-world evidence research in Europe
    • Built In Boston and Built In New York 2022 Best Places to Work


Aetion is an Equal Opportunity Employer. Aetion is committed to being an employer of choice, not just a good place to work, but a great and inclusive place to work. To that end, we strive to recruit and maintain a workforce that meaningfully represents the diverse and culturally rich communities that we serve. Qualified applicants will receive consideration for employment without regard to their race, color, religion, national origin, sex, sexual orientation, gender identity, protected veteran status or disabled status or, genetic information.


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