Junior Software Engineer:

Custodix, situated in Sint-Martens-Latem (near Gent), is a private limited company specialized in data protection solutions for eHealth. Today Custodix is recognized as one of the most advanced and reliable Trusted Service Providers (TSPs) in the Healthcare sector. Custodix is one of the driving forces behind the InSite platform. This innovative platform enables the trustworthy re-use of Electronic Health Records (EHR) data for research and thus facilitates the collaboration between clinicians and researchers.

InSite has united with TriNetX, a healthcare startup with its worldwide headquarters in Cambridge, MA, USA.  TriNetX is creating a global health research network that enables healthcare organizations, biopharma, and contract research organizations to collaborate, enhance trial design, accelerate recruitment and bring new therapies to market faster.

We are looking for a talented, energetic, and motivated individual to join our team as a Software Engineer.  You will be focused on the frontend, and/or middle and backend tiers of our platform where we are working on a federated query engine, building out our medical terminology solution, enhancing our collaboration platform extending and our real-time, federated analytics platform. As a member of our team, you will use your technical skills, engineering prowess, and ingenuity to help develop our platform.

Our Engineering Environment:

We are building our system with a variety of technologies including React, Spring Boot, Elasticsearch, ActiveMQ, MongoDB and PostgreSQL running on-premise and in the cloud.  We're mainly writing code in JavaScript, Java, Kotlin, Groovy and SQL.  We are always researching and implementing the best technologies to enable future data aggregation and analytics development.  We operate in an agile environment where we believe in collaboration, code/design reviews, and lots of automated tests. Our guidance is software craftmanship. We apply the principles of clean code and clean architecture. Our software development methodology is Kanban.


You will be responsible for:

  • Developing software that takes the best advantage of our cloud-based, fully-distributed architecture and our unique, one-of-a-kind, federated data network
  • Ensuring that your solutions are secure, manageable, scalable, and testable
  • Collaborating with our team, presenting your concepts and ideas to the rest of the team, and driving the development activities
  • Communicating status and tracking work activities via Agile development tools and practices


  • Experience with Java, Javascript, Kotlin and/or Groovy
  • Knowledge of REST based systems
  • Knowledge of SQL and various RDBMS (Oracle, PostgreSQL, MySql)
  • Knowledge of NoSQL (Mongo or similar)
  • Great communication skills
  • Bachelor’s degree in computer science or related discipline, or equivalent experience.
  • Motivated to work in a startup culture which at times requires chipping in wherever needed


David Voets
Director of Engineering Europe
InSite – a TriNetX company
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 +32 (0)9 210 78 90