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N-iX

Senior Java Engineer

N-iX
Ukraine · Full-time · Mid-Senior

We’re looking for a Senior Backend Engineer with strong expertise in Java and Cloud-Native architecture to join our engineering team on a strategic project aimed at enhancing the stability, scalability, and resilience of our SaaS platform. This is an exciting opportunity to work on a complex, large-scale microservices platform where your work will directly impact system performance and reliability. You’ll have the autonomy to work end-to-end, optimize existing services, and contribute to the evolution of our platform’s architecture.

Key Responsibilities:

  • Analyze and optimize performance-critical Java/Quarkus microservices;
  • Implement resilience patterns (e.g., Circuit Breaker, Load Shedding);
  • Improve API efficiency through payload optimization and caching strategies;
  • Collaborate with SRE and DevOps to enhance Kubernetes deployment configurations;
  • Support migration of selected endpoints from synchronous to asynchronous models.

Required Skills:

  • 6+ years of experience in Java, Quarkus or Spring Boot, JPA/Hibernate;
  • Strong experience with REST APIs, PostgreSQL, Redis or similar caching tools;
  • Proven track record implementing resilience patterns and resolving performance bottlenecks in microservices;
  • Familiarity with Kubernetes, Prometheus, Docker;
  • Hands-on experience with CI/CD tools (Jenkins preferred);
  • Ability to write Helm Charts;
  • Understanding of core Kubernetes resources (Deployments, StatefulSets, Volumes, etc.);
  • Ability to actively develop for/on/with Kubernetes (cluster management not required).

Nice to have:

  • Experience with Istio.

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
  • not applicable for freelancers

Key Skills

Ranked by relevance

kubernetes java microservices spring boot postgresql prometheus jenkins devops redis cloud saas cicd
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Posted
Jan 27, 2026
Type
Full-time
Level
Mid-Senior
Location
Lviv
Company
N-iX

Industries

Construction Software Development IT Services IT Consulting

Categories

Engineering

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