Front End Web Developer

Siilo is on a mission to liberate the potential of network medicine, and we’re looking for a new member of our development team to bring us to a new level. You’ll be joining an ambitious start-up where we spend our days bettering the lives of medical professionals around the world. We want to tell our story, and to do that, we need someone who lives for cutting-edge tech and the future of healthcare. Are you that person??

Apply now

About Siilo

Siilo is currently the fastest growing secure messenger for doctors and nurses, solving communication challenges faced by health professionals across the globe! We’re finalists in the TechCrunch The Europas Awards for Hottest Health Tech start ups and mentioned as one of Amsterdam’s hottest start ups to watch in 2019.

We are on a mission to bring all medical professionals in the world together on the largest messaging network. Why? We see collaboration as the single most important factor in improving our modern healthcare system. Siilo’s impact can be measured in (quality of) life and a reduced spend of billions – not to mention the improvement in patient experience in our current siloed system.

About the team

Engineering is at the heart of our business, driving us forward and making us stand apart from our competition. We have a really experienced team with a ton of development experience. Being part of this team will help you push yourself to the next level.

What will you do

  • You’ll work on real-time secure web applications where security and privacy are front and center to everything you do;
  • You’ll be using cutting edge technologies, features and infrastructure;
  • You’ll will collaborate with the growth and user teams to create user experiments to help guide our decision-making process with analytics;
  • You’ll be responsible for full life cycle development including communicating with stakeholders and users throughout the development process as well as debugging production issues;
  • You’ll work with highly competent and friendly colleagues;
  • You’ll be a the center of an industry that needs change. You can make a difference that really matters.


  • Proactive, self-starting, can do mentality;
  • Expert knowledge of HTML5, CSS, OO JavaScript, RESTful APIs
  • Experience with responsive/​mobile friendly website design;
  • Experience of using MV* JS Frameworks, specifically Angular;
  • Unit testing and Continuous Integration (CI);
  • Git version control;
  • Understanding of agile development processes and methodologies;
  • English fluency.

Nice to have

  • Previous experience designing applications with security as a primary focus;
  • Knowledge of security concepts such as asymmetric (i.e. public/​private key) cryptography, Perfect Forward Secrecy, Digital Signatures, nonces, OATH2, Diffie Helman, etc;
  • Previous experience with web app based security;
  • TypeScript.


Do you like what you just read? We would love to receive your cv and motivation via jobs@​siilo.​com. If you wish to receive more information about this role, please reach out to us.

Siilo is proud to be an equal opportunity employer, and committed to providing employment opportunities regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, pregnancy, childbirth and breastfeeding, age, sexual orientation, military or veteran status, or any other protected classification.

Apply now