Senior Frontend Engineer with React

Cluj-Napoca Senior

Are you looking for new opportunities? Do you want to grow up in your career? This is your offer!
As part of the ERNI team you will be working with Swiss and German customers operating in domains such as finance, security, medical and more. Given the wide spectrum of projects, the technologies used will also be varied, enabling you to use your desktop, backend, frontend and database skills to the maximum. So, when are you going to join us?

About the position


• Be involved in design and development as a member of a self-organized agile team
• Develop and maintain software programs according to set coding standards
• Participation on process improvements and technology decisions
• Problem fixing, debugging, writing unit tests
• Estimate duration of programming and unit testing phase
• Doing effective and precise code reviews
• Coach less experienced developers
• Take responsibility for own decisions and actions


Experience with all below are required:
– JavaScript, HTML5, CSS-in-JS
– At least one modern FE framework – preferably React
– Bundling tools: e.g. Webpack
– End-to-end testing: e.g. Cypress, Selenium
– Test-Driven Development
– At least one CI tool – Github Action, CircleCI, Travis, etc

Experience with all below are preferred, but not required:
– Application Performance Monitoring (best practices, performance, rendering, root cause analysis, etc)
– Front-End Security analysis
– Accessibility
– TypeScript
– Material Design via Material-UI
– Web Components
– Expert-level CSS
– Progressive Web Apps
– Linting tools
– Code coverage tools
– Code documentation tools


Opportunity for self-improvement and career growth
Internal & external software development education and trainings (certifications)

Individual access to e-Learning Platforms to develop both technical and soft skill with LikedIn Learning
Occasional business trips within Europe
Private medical services at Medlife
Flexible working time
22 days holiday / year + 1 extra day of holiday for every year working at the company (up to 25)
Meal Tickets
Referral bonus

About the recruiter

Eliza Ciuciui

Email: [email protected]

Phone:+40 742 126 199

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!