Full-stack Javascript Developer

Bratislava Professional - Senior min. 1 800€ - depends on skills and experience

We are looking for passionate senior Full Stack developer with more focus on backend development using NODE JS with good react knowledge. Person who has already very good knowledge of mentioned technologies but is willing to learn new stuff, but also be able to get into the existing logic quickly. Person who is not scared to stick his nose to existing architecture in several applications. We are small agile team in Bratislava working on project for Swiss customer which is focused in financial and investment area.

About the position


  • Skilled Full stack development as a member of self-organized team with Swiss team cooperation
  • Implementing new functionalities based on customer requirements
  • Problem analyses and fixing, debugging, writing unit tests, optimizing and identifying not effective processes
  • Working with Docker and ping to extend its possibility
  • Using JavaScript in latest NODE.JS, Express.js, AngularJS and HTML5, CSS, MongoDB, MS SQL Server, JSDoc, ESLint, Keystone – CMS, Angular 8, Gatling
  • Participation on process improvements, technology decisions and upgrades
  • Doing code reviews
  • Joining daily standUps, be able to actively communicate with Bratislava and Swiss team members
  • Preparing javaScript vs Python interfaces
  • Help and cooperate with other team members


  • Very Good knowledge of JavaScript, NODE JS,
  • Good knowledge of AngularJS / Angular 8(for future plans)
  • SQL on basic / intermediate level
  • Experiences with docker and its configuration
  • It good to have experiences with BackBone.js (plan to refactor using React)
  • Ability to communicate independently with our customer on senior level when needed
  • Ability to be able quickly get into the existing project and code and understands it (fast knowledge) transport
  • English on communication level
  • Team player and ability to work in team, cooperate and participate on future decision with new ideas and relevant points

Nice To Have:

  • JSON, REST, LESS, Bootstrap.js, Java, BackBone.js, Keystone CMS, SOLR
  • Docker, Grunt, Gatling
  • Python – Data Science (Pandas, Numpy)


​​Interesting projects based on the newest technologies
Opportunity for self-improvement and career growth
Internal & external software development education and trainings (certifications) covered by ERNI
Occasional business trips to Switzerland
Flexible working time & overtime compensation
5 weeks of vacation
3 sick days
Language courses (English, German), fully covered by ERNI
Sport & culture personal ​budget (including medical care, yoga in the office)
Referral & relocation bonus
Fully covered meal vouchers
Newly renovated rooftop of the building for free time activities
Team buildings (grill parties, Christmas dinner, Hack&Hike, ERNI Performance Days – two day education & leisure event, sport events, company breakfast etc.)
Well-established community: Inspire Lab, Meet-ups, Brownback Sessions, Running club, Climbing club, Board games club, etc.

About the recruiter

Linková Petra (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!