Senior FrontEnd Engineer

N-iX

Poland · Part-time · Not Applicable

Our customer is the European online car market, with over 30 million monthly users and a presence in 18 countries. As a Senior FrontEnd Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.

Responsibilities:

Maintenance of existing services (e.g., bug fixes, security updates, improvements in Java, Scala, and TypeScript)
Building new APIs and web applications
Migrating legacy services to new technologies
Creating and managing online ads for private users (Web)
Running user profile services to store and manage user data
Be able to communicate with UX Designer to challenge hard-to-implement design elements and agree with them on lower-effort alternatives

Requirements:

Must-Have:

Proficiency with React and TypeScript for web application development over the last 1-2 years
Good knowledge of JavaScript event handling
Strong HTML and CSS skills
Fluent English (at least Upper-Intermediate level)

Nice to have:

Experience with Docker/containers and AWS Lambda
Experience with Kafka AWS
Experience with Java/Spring Boot for building APIs and web applications
Experience with REST
Previous work experience with the relation Database and DynamoDB

Team Setup & Work Style:

Agile methodology using Jira (product and tech backlog)
Using Test-driven Development Methodology
Slack for communication
Team size: 5-8 developers, PM, UX designer, and QA support (part-time involvement);
“You build it, you run it” approach (owning development, releases, and monitoring)
Peer code reviews with quality checks

Project Tech stack:

JavaScript, React, Java, Spring Boot, Scala, AWS, TypeScript

We offer:

Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits

Key Skills

Ranked by relevance

designer scala react java aws ux spring boot javascript typescript kafka jira css

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