Senior Full-Stack Engineer (React+Java)

2 Months ago • 5 Years + • Full Stack Development

Job Summary

Job Description

N-iX seeks a Senior Full-Stack Engineer (React+Java) to contribute to a European online car market platform with over 30 million monthly users. Responsibilities include working with product-driven services, maintaining existing services (bug fixes, security updates, improvements in Java, Scala, and TypeScript), migrating legacy services to new technologies (Scala/Java), and helping reduce tech debt. The role requires strong React/Next.JS, TypeScript, and Java skills, along with AWS experience and familiarity with Optimizely, Kafka, DynamoDB, and PostgreSQL.
Must have:
  • 5+ years React/Next.JS & TypeScript
  • 3+ years Java API & web app dev
  • AWS (3+ years exp)
  • Optimizely experience
  • AWS Kafka, DynamoDB, PostgreSQL
  • Upper-intermediate English
Good to have:
  • Scala experience
  • Google Analytics
  • A/B testing experience
Perks:
  • Flexible working format
  • Competitive salary
  • Personalized career growth
  • Professional development tools
  • Education reimbursement
  • Corporate events

Job Details

N-iX is a software development service company that helps businesses across the globe develop successful software products. Founded in 2002 in Lviv, N-iX has come a long way and increased its presence in nine countries - Poland, Ukraine, Sweden, Romania, Bulgaria, Malta, the UK, the US, and Colombia. Today, we are a strong community of 2,000+ professionals and a reliable partner for global industry leaders and Fortune 500 companies.

About the client:
Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Senior FullStack 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:

  • Work with the product-driven services
  • Maintenance of existing services (e.g., bug fixes, security updates, improvements in Java, Scala, and TypeScript)
  • Migrating legacy services to new technologies (Scala/ Java)
  • Helping with decreasing a tech debt

Requirements:

  • 5+ years of experience with React or Next.JS and Typescript
  • At least 3 years of experience with Java for developing APIs and web applications.
  • Exposure to or experience with Scala, or eagerness to learn it
  • AWS 3+ years practical experience.
  • Previous experience working with Optimizely is a must; 
  • Deep practical knowledge of AWS Kafka,  AWS DynamoDB, and PostgreSQL 
  • A self-driven, quick learner who can grasp tasks, gather necessary information, and work independently.
  • At least Upper-intermediate English level.

Nice-to-Have Skills:

  • Experience with Google Analytics (GA tracking parameters)
  • Previous experience with A/B testing

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

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